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 #if !(GTK_CHECK_VERSION(2,12,0))
 462         mimeview->tooltips      = tips;
 463 #endif
 464         mimeview->mime_toggle   = mime_toggle;
 465         mimeview->siginfoview   = siginfoview;
 466         mimeview->scrollbutton  = scrollbutton;
 467         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 468
 469         mimeviews = g_slist_prepend(mimeviews, mimeview);
 470
 471         return mimeview;
 472 }
 473
 474 void mimeview_init(MimeView *mimeview)
 475 {
 476         textview_init(mimeview->textview);
 477
 478         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 479                 GTK_WIDGET_PTR(mimeview->textview));
 480 }
 481
 482 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 483 {
 484         while (mimeinfo) {
 485                 if (privacy_mimeinfo_is_signed(mimeinfo))
 486                         return TRUE;
 487                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 488         }
 489
 490         return FALSE;
 491 }
 492
 493 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 494                            const gchar *file)
 495 {
 496         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
 497
 498         mimeview_clear(mimeview);
 499
 500         cm_return_if_fail(file != NULL);
 501         cm_return_if_fail(mimeinfo != NULL);
 502
 503         mimeview->mimeinfo = mimeinfo;
 504
 505         mimeview->file = g_strdup(file);
 506
 507         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 508                                         mimeview);
 509
 510         /* check if the mail's signed - it can change the mail structure */
 511
 512         if (any_part_is_signed(mimeinfo))
 513                 debug_print("signed mail\n");
 514
 515         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 516         gtk_tree_view_expand_all(ctree);
 517         icon_list_clear(mimeview);
 518         icon_list_create(mimeview, mimeinfo);
 519
 520         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 521                                           mimeview_selected, mimeview);
 522 }
 523
 524 #ifdef USE_PTHREAD
 525 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 526 #endif
 527
 528 static void mimeview_free_mimeinfo(MimeView *mimeview)
 529 {
 530         gboolean defer = FALSE;
 531 #ifdef USE_PTHREAD
 532         defer = (mimeview->check_data != NULL);
 533         if (defer)
 534                 mimeview->check_data->free_after_use = TRUE;
 535 #endif
 536         if (mimeview->mimeinfo != NULL && !defer) {
 537                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 538                 mimeview->mimeinfo = NULL;
 539         } else if (defer) {
 540 #ifdef USE_PTHREAD
 541                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 542                 mimeview_check_sig_cancel_now(mimeview);
 543 #endif
 544         }
 545 }
 546
 547 void mimeview_destroy(MimeView *mimeview)
 548 {
 549         GSList *cur;
 550
 551         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 552                 MimeViewer *viewer = (MimeViewer *) cur->data;
 553                 viewer->destroy_viewer(viewer);
 554         }
 555         g_slist_free(mimeview->viewers);
 556         gtk_target_list_unref(mimeview->target_list);
 557
 558 #ifdef USE_PTHREAD
 559         if (mimeview->check_data) {
 560                 mimeview->check_data->destroy_mimeview = TRUE;
 561                 debug_print("deferring destroy\n");
 562         } else
 563 #endif
 564         {
 565                 mimeview_free_mimeinfo(mimeview);
 566                 gtk_tree_path_free(mimeview->opened);
 567                 g_free(mimeview->file);
 568                 g_free(mimeview);
 569                 mimeviews = g_slist_remove(mimeviews, mimeview);
 570         }
 571
 572 }
 573
 574 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 575 {
 576         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 577         GtkTreeIter iter;
 578         GtkTreeSelection *selection;
 579         MimeInfo *partinfo = NULL;
 580
 581         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 582         if (gtk_tree_selection_get_selected(selection, NULL, &iter))
 583                 gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 584
 585         return partinfo;
 586 }
 587
 588 MimeInfo *mimeview_get_node_part(MimeView *mimeview, GtkTreePath *path)
 589 {
 590         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 591         GtkTreeIter iter;
 592         MimeInfo *partinfo;
 593
 594         gtk_tree_model_get_iter(model, &iter, path);
 595         gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 596         return partinfo;
 597 }
 598
 599 gboolean mimeview_tree_is_empty(MimeView *mimeview)
 600 {
 601         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 602         GtkTreeIter iter;
 603         return !gtk_tree_model_get_iter_first(model, &iter);
 604 }
 605
 606 static gboolean mimeview_tree_next(GtkTreeModel *model, GtkTreePath *path)
 607 {
 608         GtkTreeIter iter, parent;
 609         gboolean has_parent;
 610
 611         gtk_tree_model_get_iter(model, &iter, path);
 612
 613         if (gtk_tree_model_iter_has_child(model, &iter)) {
 614                 gtk_tree_path_down(path);
 615                 return TRUE;
 616         }
 617
 618         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 619
 620         if (!gtk_tree_model_iter_next(model, &iter)) {
 621                 while (has_parent) {
 622                         GtkTreeIter saved_parent = parent;
 623                         gtk_tree_path_up(path);
 624                         if (gtk_tree_model_iter_next(model, &parent)) {
 625                                 gtk_tree_path_next(path);
 626                                 return TRUE;
 627                         } else {
 628                                 has_parent = gtk_tree_model_iter_parent(model, &parent, &saved_parent);
 629                         }
 630                 }
 631
 632         } else {
 633                 gtk_tree_path_next(path);
 634                 return TRUE;
 635         }
 636
 637         return FALSE;
 638 }
 639
 640 static gboolean mimeview_tree_prev(MimeView *mimeview, GtkTreePath *path)
 641 {
 642         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 643         GtkTreeIter iter, child, parent;
 644         gboolean has_parent;
 645
 646         gtk_tree_model_get_iter(model, &iter, path);
 647         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 648
 649         if (gtk_tree_path_prev(path)) {
 650                 gtk_tree_model_get_iter(model, &iter, path);
 651
 652                 if (gtk_tree_model_iter_nth_child(model, &child, &iter, 0)) {
 653                         gtk_tree_path_down(path);
 654
 655                         while (gtk_tree_model_iter_next(model, &child))
 656                                 gtk_tree_path_next(path);
 657                 }
 658
 659                 return TRUE;
 660         }
 661
 662         if (has_parent) {
 663                 gtk_tree_path_up(path);
 664                 return TRUE;
 665         }
 666
 667         return FALSE;
 668 }
 669
 670 gint mimeview_get_selected_part_num(MimeView *mimeview)
 671 {
 672         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 673         GtkTreeIter iter;
 674         GtkTreePath *path;
 675         gint i = 0;
 676
 677         gtk_tree_model_get_iter_first(model, &iter);
 678         path = gtk_tree_model_get_path(model, &iter);
 679
 680         do {
 681                 if (!gtk_tree_path_compare(mimeview->opened, path)) {
 682                         gtk_tree_path_free(path);
 683                         return i;
 684                 }
 685
 686                 i++;
 687         } while (mimeview_tree_next(model, path));
 688
 689         gtk_tree_path_free(path);
 690
 691         return -1;
 692 }
 693
 694 void mimeview_select_part_num(MimeView *mimeview, gint i)
 695 {
 696         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 697         GtkTreeIter iter;
 698         GtkTreePath *path;
 699         GtkTreeSelection *selection;
 700         gint x = 0;
 701
 702         if (i < 0)
 703                 return;
 704
 705         gtk_tree_model_get_iter_first(model, &iter);
 706         path = gtk_tree_model_get_path(model, &iter);
 707
 708         while (x != i) {
 709                 if (!mimeview_tree_next(model, path)) {
 710                         gtk_tree_path_free(path);
 711                         return;
 712                 }
 713                 x++;
 714         }
 715
 716         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 717         gtk_tree_selection_select_path(selection, path);
 718         gtk_tree_path_free(path);
 719 }
 720
 721 static void mimeview_set_multipart_tree(MimeView *mimeview,
 722                                         MimeInfo *mimeinfo,
 723                                         GtkTreeIter *parent)
 724 {
 725         GtkTreeStore *model = GTK_TREE_STORE(gtk_tree_view_get_model(
 726                                         GTK_TREE_VIEW(mimeview->ctree)));
 727         GtkTreeIter iter;
 728         gchar *content_type, *length, *name;
 729
 730         cm_return_if_fail(mimeinfo != NULL);
 731
 732         while (mimeinfo != NULL) {
 733                 if (mimeinfo->type != MIMETYPE_UNKNOWN && mimeinfo->subtype)
 734                         content_type = g_strdup_printf("%s/%s",
 735                                         procmime_get_media_type_str(mimeinfo->type),
 736                                         mimeinfo->subtype);
 737                 else
 738                         content_type = g_strdup("UNKNOWN");
 739
 740                 length = g_strdup(to_human_readable((goffset) mimeinfo->length));
 741
 742                 if (prefs_common.attach_desc)
 743                         name = g_strdup(get_part_description(mimeinfo));
 744                 else
 745                         name = g_strdup(get_part_name(mimeinfo));
 746
 747                 gtk_tree_store_append(model, &iter, parent);
 748                 gtk_tree_store_set(model, &iter,
 749                                 COL_MIMETYPE, content_type,
 750                                 COL_SIZE, length,
 751                                 COL_NAME, name,
 752                                 COL_DATA, mimeinfo, -1);
 753                 g_free(content_type);
 754                 g_free(length);
 755                 g_free(name);
 756
 757                 if (mimeinfo->node->children)
 758                         mimeview_set_multipart_tree(mimeview,
 759                                 (MimeInfo *) mimeinfo->node->children->data, &iter);
 760                 mimeinfo = mimeinfo->node->next != NULL ?
 761                                 (MimeInfo *) mimeinfo->node->next->data : NULL;
 762         }
 763 }
 764
 765 static const gchar *get_real_part_name(MimeInfo *partinfo)
 766 {
 767         const gchar *name = NULL;
 768
 769         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 770         if (name == NULL)
 771                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 772
 773         return name;
 774 }
 775
 776 static const gchar *get_part_name(MimeInfo *partinfo)
 777 {
 778         const gchar *name;
 779
 780         name = get_real_part_name(partinfo);
 781         if (name == NULL)
 782                 name = "";
 783
 784         return name;
 785 }
 786
 787 static const gchar *get_part_description(MimeInfo *partinfo)
 788 {
 789         if (partinfo->description)
 790                 return partinfo->description;
 791         else
 792                 return get_part_name(partinfo);
 793 }
 794
 795 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 796 {
 797         FILE *fp;
 798         const gchar *fname;
 799
 800         if (!partinfo) return;
 801
 802         fname = mimeview->file;
 803         if (!fname) return;
 804
 805         if ((fp = g_fopen(fname, "rb")) == NULL) {
 806                 FILE_OP_ERROR(fname, "fopen");
 807                 return;
 808         }
 809
 810         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 811                 FILE_OP_ERROR(mimeview->file, "fseek");
 812                 fclose(fp);
 813                 return;
 814         }
 815
 816         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 817         textview_show_part(mimeview->textview, partinfo, fp);
 818
 819         fclose(fp);
 820 }
 821
 822 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 823 {
 824         GSList *cur;
 825         MimeViewerFactory *factory = NULL;
 826         MimeViewer *viewer = NULL;
 827         gchar *real_contenttype = NULL;
 828
 829 /*
 830  * FNM_CASEFOLD is a GNU extension
 831  */
 832 #ifndef FNM_CASEFOLD
 833 #define FNM_CASEFOLD 0
 834         real_contenttype = g_utf8_strdown((gchar *)content_type, -1);
 835 #else
 836         real_contenttype = g_strdup(content_type);
 837 #endif
 838
 839         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 840                 MimeViewerFactory *curfactory = cur->data;
 841                 gint i = 0;
 842
 843                 while (curfactory->content_types[i] != NULL) {
 844                         if(!fnmatch(curfactory->content_types[i], real_contenttype, FNM_CASEFOLD)) {
 845                                 debug_print("%s\n", curfactory->content_types[i]);
 846                                 factory = curfactory;
 847                                 break;
 848                         }
 849                         i++;
 850                 }
 851                 if (factory != NULL)
 852                         break;
 853         }
 854         g_free(real_contenttype);
 855         if (factory == NULL)
 856                 return NULL;
 857
 858         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 859                 MimeViewer *curviewer = cur->data;
 860
 861                 if (curviewer->factory == factory)
 862                         return curviewer;
 863         }
 864         viewer = factory->create_viewer();
 865         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 866                 GTK_WIDGET(viewer->get_widget(viewer)));
 867
 868         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 869
 870         return viewer;
 871 }
 872
 873 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 874 {
 875         return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 876 }
 877
 878 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 879 {
 880         gchar *content_type = NULL;
 881         MimeViewer *viewer = NULL;
 882
 883         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 884             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 885                 const gchar *filename;
 886
 887                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 888                 if (filename == NULL)
 889                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 890                 if (filename != NULL)
 891                         content_type = procmime_get_mime_type(filename);
 892         } else {
 893                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 894         }
 895
 896         if (content_type != NULL) {
 897                 viewer = get_viewer_for_content_type(mimeview, content_type);
 898                 g_free(content_type);
 899         }
 900
 901         return viewer;
 902 }
 903
 904 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 905 {
 906         MimeViewer *viewer;
 907
 908         if (mimeview->messageview->partial_display_shown) {
 909                 noticeview_hide(mimeview->messageview->noticeview);
 910                 mimeview->messageview->partial_display_shown = FALSE;
 911         }
 912
 913         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 914         if (viewer == NULL) {
 915                 if (mimeview->mimeviewer != NULL)
 916                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 917                 mimeview->mimeviewer = NULL;
 918                 return FALSE;
 919         }
 920
 921         if (mimeview->mimeviewer != NULL)
 922                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 923
 924         if (mimeview->mimeviewer != viewer)
 925                 mimeview->mimeviewer = viewer;
 926
 927         mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 928         viewer->mimeview = mimeview;
 929         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 930
 931         return TRUE;
 932 }
 933
 934 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 935 {
 936         TextView  *textview  = mimeview->textview;
 937         GtkWidget *focused = NULL;
 938
 939         if (mainwindow_get_mainwindow())
 940                 focused = gtkut_get_focused_child(
 941                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 942
 943         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 944             (mimeview->type == type)) return;
 945
 946         switch (type) {
 947         case MIMEVIEW_TEXT:
 948                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 949                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 950                         GTK_WIDGET_PTR(textview)));
 951                 break;
 952         case MIMEVIEW_VIEWER:
 953                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 954                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 955                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 956                 break;
 957         default:
 958                 return;
 959         }
 960         if (focused)
 961                 gtk_widget_grab_focus(focused);
 962         mimeview->type = type;
 963 }
 964
 965 void mimeview_clear(MimeView *mimeview)
 966 {
 967         GtkTreeModel *model;
 968
 969         if (!mimeview)
 970                 return;
 971
 972         if (g_slist_find(mimeviews, mimeview) == NULL)
 973                 return;
 974
 975         noticeview_hide(mimeview->siginfoview);
 976
 977         model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 978         gtk_tree_store_clear(GTK_TREE_STORE(model));
 979
 980         textview_clear(mimeview->textview);
 981         if (mimeview->mimeviewer != NULL)
 982                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 983
 984         mimeview_free_mimeinfo(mimeview);
 985
 986         mimeview->mimeinfo = NULL;
 987
 988         gtk_tree_path_free(mimeview->opened);
 989         mimeview->opened = NULL;
 990
 991         g_free(mimeview->file);
 992         mimeview->file = NULL;
 993
 994         icon_list_clear(mimeview);
 995         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 996 }
 997
 998 gchar * get_message_check_signature_shortcut(MessageView *messageview) {
 999         GtkUIManager *ui_manager;
1000
1001         if (messageview->window != NULL)
1002                         ui_manager = messageview->ui_manager;
1003                 else
1004                         ui_manager = messageview->mainwin->ui_manager;
1005
1006         return cm_menu_item_get_shortcut(ui_manager, "Menu/Message/CheckSignature");
1007 }
1008
1009 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
1010 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
1011
1012 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
1013                                         gboolean special, SignatureStatus code)
1014 {
1015         gchar *text = NULL, *button_text = NULL;
1016         void  *func = NULL;
1017         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1018         SignatureStatus mycode = SIGNATURE_UNCHECKED;
1019
1020         cm_return_if_fail(mimeview != NULL);
1021         cm_return_if_fail(mimeinfo != NULL);
1022
1023         if (special)
1024                 mycode = code;
1025         else
1026                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
1027
1028         switch (mycode) {
1029         case SIGNATURE_UNCHECKED:
1030                 button_text = _("Check signature");
1031                 func = check_signature_cb;
1032                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1033                 break;
1034         case SIGNATURE_OK:
1035                 button_text = _("View full information");
1036                 func = display_full_info_cb;
1037                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
1038                 break;
1039         case SIGNATURE_WARN:
1040                 button_text = _("View full information");
1041                 func = display_full_info_cb;
1042                 icon = STOCK_PIXMAP_PRIVACY_WARN;
1043                 break;
1044         case SIGNATURE_KEY_EXPIRED:
1045                 button_text = _("View full information");
1046                 func = display_full_info_cb;
1047                 icon = STOCK_PIXMAP_PRIVACY_EXPIRED;
1048                 break;
1049         case SIGNATURE_INVALID:
1050                 button_text = _("View full information");
1051                 func = display_full_info_cb;
1052                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
1053                 break;
1054         case SIGNATURE_CHECK_FAILED:
1055         case SIGNATURE_CHECK_TIMEOUT:
1056                 button_text = _("Check again");
1057                 func = check_signature_cb;
1058                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
1059                 break;
1060         default:
1061                 break;
1062         }
1063         if (mycode == SIGNATURE_UNCHECKED) {
1064                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
1065                 gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1066
1067                 if (*shortcut == '\0')
1068                         text = g_strdup_printf(_("%s Click the icon to check it."), tmp);
1069                 else
1070                         text = g_strdup_printf(_("%s Click the icon or hit '%s' to check it."),
1071                                 tmp, shortcut);
1072                 g_free(tmp);
1073                 g_free(shortcut);
1074         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
1075                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
1076         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
1077                 gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1078
1079                 if (*shortcut == '\0')
1080                         text = g_strdup(_("Timeout checking the signature. Click the icon to try again."));
1081                 else
1082                         text = g_strdup_printf(_("Timeout checking the signature. Click the icon or hit '%s' to try again."), shortcut);
1083                 g_free(shortcut);
1084         }
1085
1086         noticeview_set_text(mimeview->siginfoview, text);
1087         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
1088
1089         g_free(text);
1090         noticeview_set_button_text(mimeview->siginfoview, NULL);
1091         noticeview_set_button_press_callback(
1092                 mimeview->siginfoview,
1093                 G_CALLBACK(func),
1094                 (gpointer) mimeview);
1095         noticeview_set_icon(mimeview->siginfoview, icon);
1096         noticeview_set_tooltip(mimeview->siginfoview, button_text);
1097
1098         icon_list_clear(mimeview);
1099         icon_list_create(mimeview, mimeview->mimeinfo);
1100 }
1101
1102 #ifdef USE_PTHREAD
1103
1104 /* reset all thread stuff, and do the cleanups we've been left to do */
1105 static void mimeview_check_data_reset(MimeView *mimeview)
1106 {
1107         gboolean must_free;
1108         gboolean must_destroy;
1109
1110         if (!mimeview->check_data)
1111                 return;
1112
1113         must_free = mimeview->check_data->free_after_use;
1114         must_destroy = mimeview->check_data->destroy_mimeview;
1115
1116         if (mimeview->check_data->cancel_th_init) {
1117                 debug_print("killing canceller thread\n");
1118                 mimeview->check_data->cancel_th_init = FALSE;
1119                 pthread_cancel(mimeview->check_data->cancel_th);
1120         }
1121
1122         if (must_free) {
1123                 debug_print("freeing deferred mimeinfo\n");
1124                 procmime_mimeinfo_free_all(mimeview->check_data->siginfo);
1125         }
1126
1127         g_free(mimeview->check_data);
1128         mimeview->check_data = NULL;
1129
1130         if (must_destroy) {
1131                 debug_print("freeing deferred mimeview\n");
1132                 mimeview_free_mimeinfo(mimeview);
1133                 gtk_tree_path_free(mimeview->opened);
1134                 g_free(mimeview->file);
1135                 g_free(mimeview);
1136                 mimeviews = g_slist_remove(mimeviews, mimeview);
1137         }
1138 }
1139
1140 /* GUI update once the checker thread is done or killed */
1141 static gboolean mimeview_check_sig_thread_cb(void *data)
1142 {
1143         MimeView *mimeview = (MimeView *) data;
1144         MimeInfo *mimeinfo = mimeview->siginfo;
1145
1146         debug_print("mimeview_check_sig_thread_cb\n");
1147
1148         if (mimeinfo == NULL) {
1149                 /* message changed !? */
1150                 g_warning("no more siginfo!\n");
1151                 goto end;
1152         }
1153
1154         if (!mimeview->check_data) {
1155                 g_warning("nothing to check\n");
1156                 return FALSE;
1157         }
1158
1159         if (mimeview->check_data->siginfo != mimeinfo) {
1160                 /* message changed !? */
1161                 g_warning("different siginfo!\n");
1162                 goto end;
1163         }
1164
1165         if (mimeview->check_data->destroy_mimeview ||
1166             mimeview->check_data->free_after_use) {
1167                 debug_print("not bothering, we're changing message\n");
1168                 goto end;
1169         }
1170
1171         /* update status */
1172         if (mimeview->check_data->timeout)
1173                 update_signature_noticeview(mimeview, mimeview->siginfo,
1174                         TRUE, SIGNATURE_CHECK_TIMEOUT);
1175         else
1176                 update_signature_noticeview(mimeview, mimeview->siginfo,
1177                         FALSE, 0);
1178
1179 end:
1180         mimeview_check_data_reset(mimeview);
1181         return FALSE;
1182 }
1183
1184 /* sig checker thread */
1185 static void *mimeview_check_sig_worker_thread(void *data)
1186 {
1187         MimeView *mimeview = (MimeView *)data;
1188         MimeInfo *mimeinfo = mimeview->siginfo;
1189
1190         debug_print("checking...\n");
1191
1192         if (!mimeview->check_data)
1193                 return NULL;
1194
1195         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo) {
1196                 privacy_mimeinfo_check_signature(mimeinfo);
1197                 if (mimeview->check_data && mimeview->check_data->cancel_th_init) {
1198                         mimeview->check_data->cancel_th_init = FALSE;
1199                         pthread_cancel(mimeview->check_data->cancel_th);
1200                 }
1201         } else {
1202                 /* that's strange! we changed message without
1203                  * getting killed. */
1204                 g_warning("different siginfo!\n");
1205                 mimeview_check_data_reset(mimeview);
1206                 return NULL;
1207         }
1208
1209         /* use g_timeout so that GUI updates is done from the
1210          * correct thread */
1211         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1212
1213         return NULL;
1214 }
1215
1216 /* killer thread - acts when the checker didn't work fast
1217  * enough. */
1218 static void *mimeview_check_sig_cancel_thread(void *data)
1219 {
1220         MimeView *mimeview = (MimeView *)data;
1221
1222         if (!mimeview->check_data)
1223                 return NULL; /* nothing to kill ! */
1224
1225         /* wait for a few seconds... */
1226         debug_print("waiting a while\n");
1227
1228         g_usleep(5 * 1000 * 1000);
1229
1230         if (!mimeview->check_data)
1231                 return NULL; /* nothing to kill, it's done in time :) */
1232
1233         /* too late, go away checker thread */
1234         debug_print("killing checker thread\n");
1235         if (mimeview->check_data->th_init) {
1236                 mimeview->check_data->th_init = FALSE;
1237                 pthread_cancel(mimeview->check_data->th);
1238         }
1239
1240         /* tell upstream it was a timeout */
1241         mimeview->check_data->timeout = TRUE;
1242         /* use g_timeout so that GUI updates is done from the
1243          * correct thread */
1244         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1245
1246         return NULL;
1247 }
1248
1249 /* get rid of the checker thread right now - used when changing the
1250  * displayed message for example. */
1251 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1252 {
1253         if (!mimeview->check_data)
1254                 return;
1255         debug_print("killing checker thread NOW\n");
1256         if (mimeview->check_data->th_init) {
1257                 mimeview->check_data->th_init = FALSE;
1258                 pthread_cancel(mimeview->check_data->th);
1259         }
1260
1261         /* tell upstream it was a timeout */
1262         mimeview->check_data->timeout = TRUE;
1263         mimeview_check_sig_thread_cb(mimeview);
1264         return;
1265 }
1266
1267 /* creates a thread to check the signature, and a second one
1268  * to kill the first one after a timeout */
1269 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1270 {
1271         pthread_t th, th2;
1272         pthread_attr_t detach, detach2;
1273
1274         if (mimeview->check_data) {
1275                 g_warning("already checking it");
1276                 return;
1277         }
1278
1279         mimeview->check_data = g_new0(SigCheckData, 1);
1280         mimeview->check_data->siginfo = mimeview->siginfo;
1281         debug_print("creating thread\n");
1282
1283         /* init thread attributes and create the checker thread */
1284         if (pthread_attr_init(&detach) != 0 ||
1285             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1286             pthread_attr_init(&detach2) != 0 ||
1287             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1288             pthread_create(&th, &detach,
1289                         mimeview_check_sig_worker_thread,
1290                         mimeview) != 0) {
1291                 /* arh. We'll do it synchronously. */
1292                 g_warning("can't create thread");
1293                 g_free(mimeview->check_data);
1294                 mimeview->check_data = NULL;
1295                 return;
1296         } else {
1297                 mimeview->check_data->th = th;
1298                 mimeview->check_data->th_init = TRUE;
1299         }
1300
1301         /* create the killer thread */
1302         pthread_create(&th2, &detach2,
1303                         mimeview_check_sig_cancel_thread,
1304                         mimeview);
1305
1306         mimeview->check_data->cancel_th = th2;
1307         mimeview->check_data->cancel_th_init = TRUE;
1308 }
1309 #endif
1310
1311 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1312 {
1313         MimeView *mimeview = (MimeView *) user_data;
1314         MimeInfo *mimeinfo = mimeview->siginfo;
1315
1316         if (mimeinfo == NULL)
1317                 return;
1318 #ifdef USE_PTHREAD
1319         if (mimeview->check_data)
1320                 return;
1321 #endif
1322         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1323         GTK_EVENTS_FLUSH();
1324 #ifdef USE_PTHREAD
1325         /* let's do it non-blocking */
1326         mimeview_check_sig_in_thread(mimeview);
1327         if (!mimeview->check_data) /* let's check syncronously */
1328 #endif
1329         {
1330                 debug_print("checking without thread\n");
1331                 privacy_mimeinfo_check_signature(mimeinfo);
1332                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1333         }
1334 }
1335
1336 void mimeview_check_signature(MimeView *mimeview)
1337 {
1338         check_signature_cb(NULL, mimeview);
1339 }
1340
1341 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1342 {
1343         MimeView *mimeview = (MimeView *) user_data;
1344         gtk_tree_path_free(mimeview->opened);
1345         mimeview->opened = NULL;
1346         mimeview_selected(gtk_tree_view_get_selection(
1347                         GTK_TREE_VIEW(mimeview->ctree)), mimeview);
1348 }
1349
1350 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1351 {
1352         MimeView *mimeview = (MimeView *) user_data;
1353         gchar *siginfo;
1354
1355         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1356         textview_set_text(mimeview->textview, siginfo);
1357         g_free(siginfo);
1358         noticeview_set_button_text(mimeview->siginfoview, NULL);
1359         noticeview_set_button_press_callback(
1360                 mimeview->siginfoview,
1361                 G_CALLBACK(redisplay_email),
1362                 (gpointer) mimeview);
1363         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1364 }
1365
1366 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1367 {
1368         MimeInfo *siginfo;
1369         MimeInfo *first_text;
1370
1371         cm_return_if_fail(mimeview != NULL);
1372         cm_return_if_fail(selected != NULL);
1373
1374         if (selected->type == MIMETYPE_MESSAGE
1375         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1376                 /* if the first text part is signed, check that */
1377                 first_text = selected;
1378                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1379                         first_text = procmime_mimeinfo_next(first_text);
1380                 }
1381                 if (first_text) {
1382                         update_signature_info(mimeview, first_text);
1383                         return;
1384                 }
1385         }
1386
1387         siginfo = selected;
1388         while (siginfo != NULL) {
1389                 if (privacy_mimeinfo_is_signed(siginfo))
1390                         break;
1391                 siginfo = procmime_mimeinfo_parent(siginfo);
1392         }
1393         mimeview->siginfo = siginfo;
1394
1395         /* This shortcut boolean is there to correctly set the menu's
1396          * CheckSignature item sensitivity without killing performance
1397          * each time the menu sensitiveness is updated (a lot).
1398          */
1399         mimeview->signed_part = (siginfo != NULL);
1400
1401         if (siginfo == NULL) {
1402                 noticeview_hide(mimeview->siginfoview);
1403                 return;
1404         }
1405
1406         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1407         noticeview_show(mimeview->siginfoview);
1408 }
1409
1410 static void mimeview_selected(GtkTreeSelection *selection, MimeView *mimeview)
1411 {
1412         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1413         GtkTreeModel *model;
1414         GtkTreeIter iter;
1415         GtkTreePath *path;
1416         MimeInfo *partinfo;
1417
1418         selection = gtk_tree_view_get_selection(ctree);
1419         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1420                 return;
1421
1422         path = gtk_tree_model_get_path(model, &iter);
1423
1424         if (mimeview->opened && !gtk_tree_path_compare(mimeview->opened, path)) {
1425                 gtk_tree_path_free(path);
1426                 return;
1427         }
1428
1429         gtk_tree_path_free(mimeview->opened);
1430         mimeview->opened = path;
1431         mimeview->spec_part = NULL;
1432         gtk_tree_view_scroll_to_cell(ctree, path, NULL, TRUE, 0.5, 0);
1433
1434         partinfo = mimeview_get_node_part(mimeview, path);
1435         if (!partinfo) return;
1436
1437         /* ungrab the mouse event */
1438         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
1439                 gtk_grab_remove(GTK_WIDGET(ctree));
1440                 if (gdk_pointer_is_grabbed())
1441                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1442         }
1443
1444         mimeview->textview->default_text = FALSE;
1445
1446         update_signature_info(mimeview, partinfo);
1447
1448         if (!mimeview_show_part(mimeview, partinfo)) {
1449                 switch (partinfo->type) {
1450                 case MIMETYPE_TEXT:
1451                 case MIMETYPE_MESSAGE:
1452                 case MIMETYPE_MULTIPART:
1453                         mimeview_show_message_part(mimeview, partinfo);
1454
1455                         break;
1456                 default:
1457                         mimeview->textview->default_text = TRUE;
1458                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1459                         textview_clear(mimeview->textview);
1460                         textview_show_mime_part(mimeview->textview, partinfo);
1461                         break;
1462                 }
1463         }
1464
1465         if (mimeview->siginfo && privacy_auto_check_signatures(mimeview->siginfo)) {
1466                 mimeview_check_signature(mimeview);
1467         }
1468 }
1469
1470 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1471                                     MimeView *mimeview)
1472 {
1473         GtkTreeSelection *selection;
1474         GtkTreeIter iter;
1475
1476         if (!event) return FALSE;
1477
1478         if (event->button == 2 || event->button == 3) {
1479                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
1480                 if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
1481                         return FALSE;
1482
1483                 gtk_tree_selection_select_iter(selection, &iter);
1484         }
1485         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1486
1487         return FALSE;
1488 }
1489
1490 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1491                                     MimeView *mimeview)
1492 {
1493         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1494         if (event->direction == GDK_SCROLL_UP) {
1495                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1496         } else {
1497                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1498         }
1499         gtk_vscrollbutton_scroll(scrollbutton);
1500         return TRUE;
1501 }
1502
1503 /* from gdkevents.c */
1504 #define DOUBLE_CLICK_TIME 250
1505
1506 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1507                                     MimeInfo *partinfo)
1508 {
1509         static MimeInfo *lastinfo;
1510         static guint32 lasttime;
1511
1512         if (event->button == 2 ||
1513             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1514                 /* call external program for image, audio or html */
1515                 mimeview_launch(mimeview, partinfo);
1516                 return TRUE;
1517         } else if (event->button == 3) {
1518                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1519                                  partinfo->type == MIMETYPE_IMAGE ||
1520                                  partinfo->type == MIMETYPE_MULTIPART))
1521                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", FALSE);
1522                 else
1523                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", TRUE);
1524 #ifndef G_OS_WIN32
1525                 if (partinfo &&
1526                     partinfo->type == MIMETYPE_APPLICATION &&
1527                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1528                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", FALSE);
1529                 else
1530 #endif
1531                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", TRUE);
1532
1533                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1534                                   "pop_partinfo", partinfo);
1535
1536                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1537                                NULL, NULL, NULL, NULL,
1538                                event->button, event->time);
1539                 return TRUE;
1540         }
1541
1542         lastinfo = partinfo;
1543         lasttime = event->time;
1544         return FALSE;
1545 }
1546
1547
1548 gboolean mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1549 {
1550         return mimeview_key_pressed(mimeview->ctree, event, mimeview);
1551 }
1552
1553 void mimeview_select_next_part(MimeView *mimeview)
1554 {
1555         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1556         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1557         GtkTreeSelection *selection;
1558         GtkTreeIter iter;
1559         GtkTreePath *path;
1560         MimeInfo *partinfo = NULL;
1561         gboolean has_next;
1562
1563         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1564         path = gtk_tree_model_get_path(model, &iter);
1565 skip:
1566         has_next = mimeview_tree_next(model, path);
1567         if (!has_next) {
1568                 has_next = gtk_tree_model_get_iter_first(model, &iter);
1569                 gtk_tree_path_free(path);
1570                 path = gtk_tree_model_get_path(model, &iter);
1571         }
1572
1573         if (has_next) {
1574                 partinfo = mimeview_get_node_part(mimeview, path);
1575                 if (partinfo->type == MIMETYPE_MULTIPART ||
1576                     (!prefs_common.show_inline_attachments && partinfo->id))
1577                         goto skip;
1578                 selection = gtk_tree_view_get_selection(ctree);
1579                 gtk_tree_selection_select_path(selection, path);
1580                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1581         }
1582
1583         gtk_tree_path_free(path);
1584 }
1585
1586 void mimeview_select_prev_part(MimeView *mimeview)
1587 {
1588         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1589         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1590         GtkTreeSelection *selection;
1591         GtkTreeIter iter;
1592         GtkTreePath *path;
1593         MimeInfo *partinfo = NULL;
1594         gboolean has_prev;
1595
1596         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1597         path = gtk_tree_model_get_path(model, &iter);
1598 skip:
1599         has_prev = mimeview_tree_prev(mimeview, path);
1600         if (!has_prev) {
1601                 while (mimeview_tree_next(model, path)) {}
1602                 has_prev = TRUE;
1603         }
1604
1605         if (has_prev) {
1606                 partinfo = mimeview_get_node_part(mimeview, path);
1607                 if (partinfo->type == MIMETYPE_MULTIPART ||
1608                     (!prefs_common.show_inline_attachments && partinfo->id))
1609                         goto skip;
1610                 selection = gtk_tree_view_get_selection(ctree);
1611                 gtk_tree_selection_select_path(selection, path);
1612                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1613         }
1614
1615         gtk_tree_path_free(path);
1616 }
1617
1618 #define BREAK_ON_MODIFIER_KEY() \
1619         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1620
1621 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1622                                  MimeView *mimeview)
1623 {
1624         SummaryView *summaryview;
1625
1626         if (!event) return FALSE;
1627         if (!mimeview->opened) return FALSE;
1628
1629         summaryview = mimeview->messageview->mainwin->summaryview;
1630
1631         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1632                 return FALSE;
1633
1634         switch (event->keyval) {
1635         case GDK_KEY_Home:
1636         case GDK_KEY_End:
1637                 textview_scroll_max(mimeview->textview,
1638                                     (event->keyval == GDK_KEY_Home));
1639                 return TRUE;
1640         case GDK_KEY_Page_Down:
1641         case GDK_KEY_space:
1642                 if (mimeview_scroll_page(mimeview,
1643                                          (event->state & GDK_SHIFT_MASK) != 0))
1644                         return TRUE;
1645
1646                 if (!(event->state & GDK_SHIFT_MASK))
1647                         mimeview_select_next_part(mimeview);
1648                 return TRUE;
1649         case GDK_KEY_Page_Up:
1650         case GDK_KEY_BackSpace:
1651                 mimeview_scroll_page(mimeview, TRUE);
1652                 return TRUE;
1653         case GDK_KEY_Return:
1654         case GDK_KEY_KP_Enter:
1655                 mimeview_scroll_one_line(mimeview,
1656                                          (event->state & GDK_MOD1_MASK) != 0);
1657                 return TRUE;
1658         case GDK_KEY_Up:
1659         case GDK_KEY_Down:
1660                 mimeview_scroll_one_line(mimeview, (event->keyval == GDK_KEY_Up));
1661                 return TRUE;
1662         default:
1663                 break;
1664         }
1665
1666         if (mimeview->messageview->new_window) return FALSE;
1667
1668         return summary_pass_key_press_event(summaryview, event);
1669 }
1670
1671 static void mimeview_drag_data_get(GtkWidget        *widget,
1672                                    GdkDragContext   *drag_context,
1673                                    GtkSelectionData *selection_data,
1674                                    guint             info,
1675                                    guint             time,
1676                                    MimeView         *mimeview)
1677 {
1678         gchar *filename = NULL, *uriname, *tmp;
1679         MimeInfo *partinfo;
1680         gint err;
1681         gint count = 0;
1682
1683         if (!mimeview->opened) return;
1684         if (!mimeview->file) return;
1685
1686         partinfo = mimeview_get_selected_part(mimeview);
1687         if (!partinfo) return;
1688
1689         if (strlen(get_part_name(partinfo)) > 0) {
1690                 filename = g_path_get_basename(get_part_name(partinfo));
1691                 if (*filename == '\0') return;
1692         } else if (partinfo->type == MIMETYPE_MESSAGE
1693                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1694                 gchar *name = NULL;
1695                 GPtrArray *headers = NULL;
1696                 FILE *fp;
1697
1698                 fp = g_fopen(partinfo->data.filename, "rb");
1699                 if (fp != NULL && fseek(fp, partinfo->offset, SEEK_SET) == 0) {
1700                         headers = procheader_get_header_array_asis(fp);
1701                         if (headers) {
1702                                 gint i;
1703                                 for (i = 0; i < headers->len; i++) {
1704                                         Header *header = g_ptr_array_index(headers, i);
1705                                         if (procheader_headername_equal(header->name, "Subject")) {
1706                                                 unfold_line(header->body);
1707                                                 name = g_strconcat(header->body, ".txt", NULL);
1708                                                 subst_for_filename(name);
1709                                         }
1710                                 }
1711                                 procheader_header_array_destroy(headers);
1712                         }
1713                         fclose(fp);
1714                 }
1715                 if (name)
1716                         filename = g_path_get_basename(name);
1717                 g_free(name);
1718         }
1719         if (filename == NULL)
1720                 filename = g_path_get_basename("Unnamed part");
1721
1722         if (!g_utf8_validate(filename, -1, NULL))
1723                 tmp = conv_codeset_strdup(filename,
1724                                 conv_get_locale_charset_str(),
1725                                 CS_UTF_8);
1726         else
1727                 tmp = g_strdup(filename);
1728
1729         if (tmp == NULL) {
1730                 g_warning("filename not in UTF-8");
1731                 tmp = g_strdup("Unnamed part");
1732         }
1733         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1734                                tmp, NULL);
1735
1736 check_new_file:
1737         if (is_file_exist(filename)) {
1738                 gchar *ext = NULL;
1739                 gchar *prefix = NULL;
1740                 gchar *new_name = NULL;
1741                 if (strrchr(tmp, '.')) {
1742                         prefix = g_strdup(tmp);
1743                         ext = g_strdup(strrchr(tmp, '.'));
1744                         *(strrchr(prefix, '.')) = '\0';
1745                 } else {
1746                         prefix = g_strdup(tmp);
1747                         ext = g_strdup("");
1748                 }
1749                 count++;
1750                 new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1751                 g_free(prefix);
1752                 g_free(ext);
1753                 g_free(filename);
1754                 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1755                                new_name, NULL);
1756                 g_free(new_name);
1757                 goto check_new_file;
1758         }
1759
1760         g_free(tmp);
1761
1762         if ((err = procmime_get_part(filename, partinfo)) < 0)
1763                 alertpanel_error
1764                         (_("Couldn't save the part of multipart message: %s"),
1765                                 strerror(-err));
1766
1767         tmp = g_filename_to_uri(filename, NULL, NULL);
1768         uriname = g_strconcat(tmp, "\r\n", NULL);
1769         g_free(tmp);
1770
1771         gtk_selection_data_set(selection_data,
1772                    gtk_selection_data_get_target(selection_data), 8,
1773                                (guchar *)uriname, strlen(uriname));
1774
1775         g_free(uriname);
1776         g_free(filename);
1777 }
1778
1779 /**
1780  * Returns a filename (with path) for an attachment
1781  * \param partinfo The attachment to save
1782  * \param basedir The target directory
1783  * \param number Used for dummy filename if attachment is unnamed
1784  */
1785 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1786                                       const gchar *basedir,
1787                                       gint number)
1788 {
1789         gchar *fullname;
1790         gchar *filename;
1791
1792         filename = g_strdup(get_part_name(partinfo));
1793         if (!filename || !*filename) {
1794                 g_free(filename);
1795                 filename = g_strdup_printf("noname.%d", number);
1796         }
1797
1798         if (!g_utf8_validate(filename, -1, NULL)) {
1799                 gchar *tmp = conv_filename_to_utf8(filename);
1800                 g_free(filename);
1801                 filename = tmp;
1802         }
1803
1804         subst_for_filename(filename);
1805
1806         fullname = g_strconcat
1807                 (basedir, G_DIR_SEPARATOR_S, (g_path_is_absolute(filename))
1808                  ? &filename[1] : filename, NULL);
1809
1810         g_free(filename);
1811         filename = conv_filename_from_utf8(fullname);
1812         g_free(fullname);
1813         return filename;
1814 }
1815
1816 /**
1817  * Write a single attachment to file
1818  * \param filename Filename with path
1819  * \param partinfo Attachment to save
1820  */
1821 static gboolean mimeview_write_part(const gchar *filename,
1822                                     MimeInfo *partinfo)
1823 {
1824         gchar *dir;
1825         gint err;
1826
1827         dir= g_path_get_dirname(filename);
1828         if (!is_dir_exist(dir))
1829                 make_dir_hier(dir);
1830         g_free(dir);
1831
1832         if (is_file_exist(filename)) {
1833                 AlertValue aval;
1834                 gchar *res;
1835                 gchar *tmp;
1836
1837                 if (!g_utf8_validate(filename, -1, NULL))
1838                         tmp = conv_filename_to_utf8(filename);
1839                 else
1840                         tmp = g_strdup(filename);
1841
1842                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1843                                       tmp);
1844                 g_free(tmp);
1845                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1846                                   GTK_STOCK_OK, NULL);
1847                 g_free(res);
1848                 if (G_ALERTALTERNATE != aval) return FALSE;
1849         }
1850
1851         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1852                 alertpanel_error
1853                         (_("Couldn't save the part of multipart message: %s"),
1854                                 strerror(-err));
1855                 return FALSE;
1856         }
1857
1858         return TRUE;
1859 }
1860
1861 /**
1862  * Menu callback: Save all attached files
1863  * \param mimeview Current display
1864  */
1865 static void mimeview_save_all(MimeView *mimeview)
1866 {
1867         MimeInfo *partinfo;
1868         gchar *dirname;
1869         gchar *startdir = NULL;
1870         gint number = 1;
1871
1872         if (!mimeview->opened) return;
1873         if (!mimeview->file) return;
1874         if (!mimeview->mimeinfo) return;
1875
1876         partinfo = mimeview->mimeinfo;
1877         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1878                 startdir = g_strconcat(prefs_common.attach_save_dir,
1879                                        G_DIR_SEPARATOR_S, NULL);
1880         else
1881                 startdir = g_strdup(get_home_dir());
1882
1883         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
1884         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1885         if (!dirname) {
1886                 g_free(startdir);
1887                 return;
1888         }
1889
1890         if (!is_dir_exist (dirname)) {
1891                 alertpanel_error(_("'%s' is not a directory."),
1892                                  dirname);
1893                 g_free(startdir);
1894                 g_free(dirname);
1895                 return;
1896         }
1897
1898         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1899                 dirname[strlen(dirname)-1] = '\0';
1900
1901         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1902         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1903                 partinfo = procmime_mimeinfo_next(partinfo);
1904         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1905                 partinfo = procmime_mimeinfo_next(partinfo);
1906                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1907                         partinfo = procmime_mimeinfo_next(partinfo);
1908         }
1909
1910         while (partinfo != NULL) {
1911                 if (partinfo->type != MIMETYPE_MESSAGE &&
1912                     partinfo->type != MIMETYPE_MULTIPART &&
1913                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1914                      || get_real_part_name(partinfo) != NULL)) {
1915                         gchar *filename = mimeview_get_filename_for_part
1916                                 (partinfo, dirname, number++);
1917
1918                         mimeview_write_part(filename, partinfo);
1919                         g_free(filename);
1920                 }
1921                 partinfo = procmime_mimeinfo_next(partinfo);
1922         }
1923
1924         g_free(prefs_common.attach_save_dir);
1925         g_free(startdir);
1926         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
1927                                         -1, NULL, NULL, NULL);
1928         g_free(dirname);
1929 }
1930
1931 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1932 {
1933         MimeInfo *partinfo = NULL;
1934         if (mimeview->spec_part) {
1935                 partinfo = mimeview->spec_part;
1936                 mimeview->spec_part = NULL;
1937         } else {
1938                 partinfo = (MimeInfo *) g_object_get_data
1939                          (G_OBJECT(mimeview->popupmenu),
1940                          "pop_partinfo");
1941                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1942                                   "pop_partinfo", NULL);
1943                 if (!partinfo) {
1944                         partinfo = mimeview_get_selected_part(mimeview);
1945                 }
1946         }
1947
1948         return partinfo;
1949 }
1950 /**
1951  * Menu callback: Save the selected attachment
1952  * \param mimeview Current display
1953  */
1954 void mimeview_save_as(MimeView *mimeview)
1955 {
1956         gchar *filename;
1957         gchar *filepath = NULL;
1958         gchar *filedir = NULL;
1959         MimeInfo *partinfo;
1960         gchar *partname = NULL;
1961
1962         if (!mimeview->opened) return;
1963         if (!mimeview->file) return;
1964
1965         partinfo = mimeview_get_part_to_use(mimeview);
1966
1967         cm_return_if_fail(partinfo != NULL);
1968
1969         if (get_part_name(partinfo) == NULL) {
1970                 return;
1971         }
1972         partname = g_strdup(get_part_name(partinfo));
1973
1974         if (!g_utf8_validate(partname, -1, NULL)) {
1975                 gchar *tmp = conv_filename_to_utf8(partname);
1976                 if (!tmp) {
1977                         tmp = conv_codeset_strdup(partname,
1978                                 conv_get_locale_charset_str(),
1979                                 CS_UTF_8);
1980                 }
1981                 if (tmp) {
1982                         g_free(partname);
1983                         partname = tmp;
1984                 }
1985         }
1986
1987         subst_for_filename(partname);
1988
1989         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1990                 filepath = g_strconcat(prefs_common.attach_save_dir,
1991                                        G_DIR_SEPARATOR_S, partname, NULL);
1992         else
1993                 filepath = g_strdup(partname);
1994
1995         g_free(partname);
1996
1997         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
1998         filename = filesel_select_file_save(_("Save as"), filepath);
1999         if (!filename) {
2000                 g_free(filepath);
2001                 return;
2002         }
2003
2004         mimeview_write_part(filename, partinfo);
2005
2006         filedir = g_path_get_dirname(filename);
2007         if (filedir && strcmp(filedir, ".")) {
2008                 g_free(prefs_common.attach_save_dir);
2009                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
2010         }
2011
2012         g_free(filedir);
2013         g_free(filepath);
2014 }
2015
2016 void mimeview_display_as_text(MimeView *mimeview)
2017 {
2018         MimeInfo *partinfo;
2019
2020         if (!mimeview->opened) return;
2021
2022         partinfo = mimeview_get_part_to_use(mimeview);
2023         mimeview_select_mimepart_icon(mimeview, partinfo);
2024         cm_return_if_fail(partinfo != NULL);
2025         mimeview_show_message_part(mimeview, partinfo);
2026 }
2027
2028 void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
2029 {
2030         gchar *filename;
2031         gint err;
2032
2033         if (!mimeview->opened) return;
2034         if (!mimeview->file) return;
2035
2036         if (!partinfo)
2037                 partinfo = mimeview_get_part_to_use(mimeview);
2038
2039         cm_return_if_fail(partinfo != NULL);
2040
2041         filename = procmime_get_tmp_file_name(partinfo);
2042
2043         if ((err = procmime_get_part(filename, partinfo)) < 0)
2044                 alertpanel_error
2045                         (_("Couldn't save the part of multipart message: %s"),
2046                                 strerror(-err));
2047         else
2048                 mimeview_view_file(filename, partinfo, NULL, mimeview);
2049
2050         g_free(filename);
2051 }
2052
2053 #ifndef G_OS_WIN32
2054 void mimeview_open_with(MimeView *mimeview)
2055 {
2056         MimeInfo *partinfo;
2057
2058         if (!mimeview) return;
2059         if (!mimeview->opened) return;
2060         if (!mimeview->file) return;
2061
2062         partinfo = mimeview_get_part_to_use(mimeview);
2063
2064         mimeview_open_part_with(mimeview, partinfo, FALSE);
2065 }
2066
2067 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
2068 {
2069         gchar *filename;
2070         gchar *cmd;
2071         gchar *mime_command = NULL;
2072         gchar *content_type = NULL;
2073         gint err;
2074
2075         cm_return_if_fail(partinfo != NULL);
2076
2077         filename = procmime_get_tmp_file_name(partinfo);
2078
2079         if ((err = procmime_get_part(filename, partinfo)) < 0) {
2080                 alertpanel_error
2081                         (_("Couldn't save the part of multipart message: %s"),
2082                                 strerror(-err));
2083                 g_free(filename);
2084                 return;
2085         }
2086
2087         if (!prefs_common.mime_open_cmd_history)
2088                 prefs_common.mime_open_cmd_history =
2089                         add_history(NULL, prefs_common.mime_open_cmd);
2090
2091         if ((partinfo->type == MIMETYPE_APPLICATION) &&
2092             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
2093                 /* guess content-type from filename */
2094                 content_type = procmime_get_mime_type(filename);
2095         }
2096         if (content_type == NULL) {
2097                 content_type = procmime_get_content_type_str(partinfo->type,
2098                         partinfo->subtype);
2099         }
2100
2101         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
2102         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
2103                 mime_command = g_strdup(prefs_common_get_uri_cmd());
2104                 g_free(content_type);
2105                 content_type = NULL;
2106         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
2107         ||  !prefs_common_get_ext_editor_cmd()[0]) {
2108                 mime_command = mailcap_get_command_for_type(content_type, filename);
2109         } else {
2110                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
2111                 g_free(content_type);
2112                 content_type = NULL;
2113         }
2114         if (mime_command == NULL) {
2115                 /* try with extension this time */
2116                 g_free(content_type);
2117                 content_type = procmime_get_mime_type(filename);
2118                 mime_command = mailcap_get_command_for_type(content_type, filename);
2119         }
2120
2121         if (mime_command == NULL)
2122                 automatic = FALSE;
2123
2124         if (!automatic) {
2125                 gboolean remember = FALSE;
2126                 if (content_type != NULL)
2127                         cmd = input_dialog_combo_remember
2128                                 (_("Open with"),
2129                                  _("Enter the command-line to open file:\n"
2130                                    "('%s' will be replaced with file name)"),
2131                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2132                                  prefs_common.mime_open_cmd_history, &remember);
2133                 else
2134                         cmd = input_dialog_combo
2135                                 (_("Open with"),
2136                                  _("Enter the command-line to open file:\n"
2137                                    "('%s' will be replaced with file name)"),
2138                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2139                                  prefs_common.mime_open_cmd_history);
2140                 if (cmd && remember) {
2141                         mailcap_update_default(content_type, cmd);
2142                 }
2143                 g_free(mime_command);
2144         } else {
2145                 cmd = mime_command;
2146         }
2147         if (cmd) {
2148                 mimeview_view_file(filename, partinfo, cmd, mimeview);
2149                 g_free(prefs_common.mime_open_cmd);
2150                 prefs_common.mime_open_cmd = cmd;
2151                 prefs_common.mime_open_cmd_history =
2152                         add_history(prefs_common.mime_open_cmd_history, cmd);
2153         }
2154
2155         g_free(content_type);
2156         g_free(filename);
2157 }
2158 #endif
2159
2160 static void mimeview_send_to(MimeView *mimeview, MimeInfo *partinfo)
2161 {
2162         GList *attach_file = NULL;
2163         AttachInfo *ainfo = NULL;
2164         gchar *filename;
2165         gint err;
2166
2167         if (!mimeview->opened) return;
2168         if (!mimeview->file) return;
2169
2170         cm_return_if_fail(partinfo != NULL);
2171
2172         filename = procmime_get_tmp_file_name(partinfo);
2173
2174         if (!(err = procmime_get_part(filename, partinfo))) {
2175                 ainfo = g_new0(AttachInfo, 1);
2176                 ainfo->file = filename;
2177                 ainfo->name = g_strdup(get_part_name(partinfo));
2178                 ainfo->content_type = procmime_get_content_type_str(
2179                                         partinfo->type, partinfo->subtype);
2180                 ainfo->charset = g_strdup(procmime_mimeinfo_get_parameter(
2181                                         partinfo, "charset"));
2182                 attach_file = g_list_append(attach_file, ainfo);
2183
2184                 compose_new(NULL, NULL, attach_file);
2185
2186                 g_free(ainfo->name);
2187                 g_free(ainfo->content_type);
2188                 g_free(ainfo->charset);
2189                 g_free(ainfo);
2190                 g_list_free(attach_file);
2191         } else
2192                 alertpanel_error
2193                         (_("Couldn't save the part of multipart message: %s"),
2194                                 strerror(-err));
2195         g_free(filename);
2196 }
2197
2198 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
2199                                const gchar *cmd, MimeView *mimeview)
2200 {
2201 #ifndef G_OS_WIN32
2202         gchar *p;
2203         gchar buf[BUFFSIZE];
2204         if (cmd == NULL)
2205                 mimeview_open_part_with(mimeview, partinfo, TRUE);
2206         else {
2207                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2208                     !strchr(p + 2, '%')) {
2209                         g_snprintf(buf, sizeof(buf), cmd, filename);
2210                         if (!prefs_common.save_parts_readwrite)
2211                                 g_chmod(filename, S_IRUSR);
2212                         else
2213                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2214                 } else {
2215                         g_warning("MIME viewer command-line is invalid: '%s'", cmd);
2216                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2217                 }
2218                 if (execute_command_line(buf, TRUE) != 0) {
2219                         if (!prefs_common.save_parts_readwrite)
2220                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2221                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2222                 }
2223         }
2224 #else
2225         SHFILEINFO file_info;
2226         if ((SHGetFileInfo(filename, 0, &file_info, sizeof(SHFILEINFO), SHGFI_EXETYPE)) != 0) {
2227                 AlertValue val = alertpanel_full(_("Execute untrusted binary?"),
2228                                       _("This attachment is an executable file. Executing "
2229                                         "untrusted binaries is dangerous and could probably "
2230                                         "lead to compromission of your computer.\n\n"
2231                                         "Do you want to run this file?"), GTK_STOCK_CANCEL,
2232                                         _("Run binary"),
2233                                       NULL, FALSE, NULL, ALERT_WARNING, G_ALERTDEFAULT);
2234                 if (val == G_ALERTALTERNATE) {
2235                         debug_print("executing binary\n");
2236                         ShellExecute(NULL, "open", filename, NULL, NULL, SW_SHOW);
2237                 }
2238         } else
2239                 ShellExecute(NULL, "open", filename, NULL, NULL, SW_SHOW);
2240
2241 #endif
2242 }
2243
2244 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
2245 {
2246         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
2247 }
2248
2249 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
2250 {
2251         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
2252 }
2253
2254 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
2255 {
2256         GSList *mimeview_list, *viewer_list;
2257
2258         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
2259                 MimeView *mimeview = (MimeView *) mimeview_list->data;
2260
2261                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
2262                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
2263                         mimeview->mimeviewer = NULL;
2264                 }
2265
2266                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
2267                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
2268
2269                         mimeviewer->destroy_viewer(mimeviewer);
2270                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
2271                 }
2272         }
2273
2274         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
2275 }
2276
2277 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
2278 {
2279         gint      num;
2280         MimeInfo *partinfo;
2281
2282         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2283         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2284
2285         if (event->button == 1) {
2286                 icon_selected(mimeview, num, partinfo);
2287                 gtk_widget_grab_focus(button);
2288                 icon_list_toggle_by_mime_info(mimeview, partinfo);
2289         }
2290         part_button_pressed(mimeview, event, partinfo);
2291
2292         return FALSE;
2293 }
2294
2295 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2296 {
2297         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
2298         GtkTreeIter iter;
2299         GtkTreePath *path;
2300         MimeInfo *curr = NULL;
2301
2302         gtk_tree_model_get_iter_first(model, &iter);
2303         path = gtk_tree_model_get_path(model, &iter);
2304
2305         do {
2306                 gtk_tree_model_get_iter(model, &iter, path);
2307                 gtk_tree_model_get(model, &iter, COL_DATA, &curr, -1);
2308                 if (curr == partinfo) {
2309                         GtkTreeSelection *sel = gtk_tree_view_get_selection(
2310                                                 GTK_TREE_VIEW(mimeview->ctree));
2311                         gtk_tree_selection_select_iter(sel, &iter);
2312                         gtk_tree_path_free(path);
2313                         return;
2314                 }
2315         } while (mimeview_tree_next(model, path));
2316
2317         gtk_tree_path_free(path);
2318 }
2319
2320 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2321 {
2322         icon_list_toggle_by_mime_info(mimeview, partinfo);
2323         icon_selected(mimeview, -1, partinfo);
2324 }
2325
2326 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2327                              MimeView *mimeview)
2328 {
2329         SummaryView  *summaryview;
2330
2331         if (!event) return FALSE;
2332
2333         switch (event->keyval) {
2334         case GDK_KEY_space:
2335                 if (mimeview_scroll_page(mimeview, FALSE))
2336                         return TRUE;
2337
2338                 mimeview_select_next_part(mimeview);
2339                 return TRUE;
2340
2341                 break;
2342         case GDK_KEY_BackSpace:
2343                 mimeview_scroll_page(mimeview, TRUE);
2344                 return TRUE;
2345         case GDK_KEY_Return:
2346         case GDK_KEY_KP_Enter:
2347                 mimeview_scroll_one_line(mimeview,
2348                                          (event->state & GDK_MOD1_MASK) != 0);
2349                 return TRUE;
2350         case GDK_KEY_y:
2351                 BREAK_ON_MODIFIER_KEY();
2352                 mimeview_save_as(mimeview);
2353                 return TRUE;
2354         case GDK_KEY_t:
2355                 BREAK_ON_MODIFIER_KEY();
2356                 mimeview_display_as_text(mimeview);
2357                 return TRUE;
2358         case GDK_KEY_l:
2359                 BREAK_ON_MODIFIER_KEY();
2360                 mimeview_launch(mimeview, NULL);
2361                 return TRUE;
2362 #ifndef G_OS_WIN32
2363         case GDK_KEY_o:
2364                 BREAK_ON_MODIFIER_KEY();
2365                 mimeview_open_with(mimeview);
2366                 return TRUE;
2367 #endif
2368         case GDK_KEY_c:
2369                 BREAK_ON_MODIFIER_KEY();
2370                 mimeview_check_signature(mimeview);
2371                 return TRUE;
2372         case GDK_KEY_a:
2373                 BREAK_ON_MODIFIER_KEY();
2374                 mimeview_select_next_part(mimeview);
2375                 return TRUE;
2376         default:
2377                 break;
2378         }
2379
2380         if (!mimeview->messageview->mainwin) return FALSE;
2381         summaryview = mimeview->messageview->mainwin->summaryview;
2382         return summary_pass_key_press_event(summaryview, event);
2383 }
2384
2385 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2386 {
2387         MimeView *mimeview = (MimeView *)data;
2388         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2389
2390         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2391                           "pop_partinfo", partinfo);
2392         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2393                        NULL, NULL, NULL, NULL,
2394                        0, gtk_get_current_event_time());
2395         return TRUE;
2396 }
2397
2398 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2399 {
2400         GtkWidget *pixmap = NULL;
2401         GtkWidget *vbox;
2402         GtkWidget *button;
2403         gchar *tip;
2404         gchar *tiptmp;
2405         const gchar *desc = NULL;
2406         gchar *sigshort = NULL;
2407         gchar *content_type;
2408         StockPixmap stockp;
2409         MimeInfo *partinfo;
2410         MimeInfo *siginfo = NULL;
2411         MimeInfo *encrypted = NULL;
2412 #ifdef GENERIC_UMPC
2413         GtkRequisition r;
2414 #endif
2415 #if !(GTK_CHECK_VERSION(2,12,0))
2416         GtkTooltips *tips = mimeview->tooltips;
2417 #endif
2418
2419         if (!prefs_common.show_inline_attachments && mimeinfo->id)
2420                 return;
2421
2422         vbox = mimeview->icon_vbox;
2423         mimeview->icon_count++;
2424         button = gtk_event_box_new();
2425
2426         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2427                          G_CALLBACK(mimeview_visi_notify), mimeview);
2428         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2429                          G_CALLBACK(mimeview_leave_notify), mimeview);
2430         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2431                          G_CALLBACK(mimeview_enter_notify), mimeview);
2432
2433         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2434         g_object_set_data(G_OBJECT(button), "icon_number",
2435                           GINT_TO_POINTER(mimeview->icon_count));
2436         g_object_set_data(G_OBJECT(button), "partinfo",
2437                           mimeinfo);
2438
2439         switch (mimeinfo->type) {
2440
2441         case MIMETYPE_TEXT:
2442                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2443                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2444                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2445                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2446                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2447                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2448                 else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2449                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2450                         stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2451                 else
2452                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2453                 break;
2454         case MIMETYPE_MESSAGE:
2455                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2456                 break;
2457         case MIMETYPE_APPLICATION:
2458                 if (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature")
2459                     || !g_ascii_strcasecmp(mimeinfo->subtype, "x-pkcs7-signature")
2460                     || !g_ascii_strcasecmp(mimeinfo->subtype, "pkcs7-signature")))
2461                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2462                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2463                         stockp = STOCK_PIXMAP_MIME_PDF;
2464                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2465                         stockp = STOCK_PIXMAP_MIME_PS;
2466                 else
2467                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2468                 break;
2469         case MIMETYPE_IMAGE:
2470                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2471                 break;
2472         case MIMETYPE_AUDIO:
2473                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2474                 break;
2475         default:
2476                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2477                 break;
2478         }
2479
2480         partinfo = mimeinfo;
2481         while (partinfo != NULL) {
2482                 if (privacy_mimeinfo_is_signed(partinfo)) {
2483                         siginfo = partinfo;
2484                         break;
2485                 }
2486                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2487                         encrypted = partinfo;
2488                         break;
2489                 }
2490                 partinfo = procmime_mimeinfo_parent(partinfo);
2491         }
2492
2493         if (siginfo != NULL) {
2494                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2495                 case SIGNATURE_UNCHECKED:
2496                 case SIGNATURE_CHECK_FAILED:
2497                 case SIGNATURE_CHECK_TIMEOUT:
2498                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2499                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2500                         break;
2501                 case SIGNATURE_OK:
2502                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2503                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2504                         break;
2505                 case SIGNATURE_WARN:
2506                 case SIGNATURE_KEY_EXPIRED:
2507                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2508                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2509                         break;
2510                 case SIGNATURE_INVALID:
2511                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2512                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2513                         break;
2514                 }
2515                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2516         } else if (encrypted != NULL) {
2517                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2518                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2519         } else {
2520                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
2521                                                           OVERLAY_NONE, 6, 3);
2522         }
2523         gtk_container_add(GTK_CONTAINER(button), pixmap);
2524         if (!desc) {
2525                 if (prefs_common.attach_desc)
2526                         desc = get_part_description(mimeinfo);
2527                 else
2528                         desc = get_part_name(mimeinfo);
2529         }
2530
2531         content_type = procmime_get_content_type_str(mimeinfo->type,
2532                                                      mimeinfo->subtype);
2533
2534         tip = g_strconcat("<b>", _("Type:"), "  </b>", content_type,
2535                           "\n<b>", _("Size:"), " </b>",
2536                           to_human_readable((goffset)mimeinfo->length), NULL);
2537         g_free(content_type);
2538         if (desc && *desc) {
2539                 gchar *tmp = NULL, *escaped = NULL;
2540                 if (!g_utf8_validate(desc, -1, NULL)) {
2541                         tmp = conv_filename_to_utf8(desc);
2542                 } else {
2543                         tmp = g_strdup(desc);
2544                 }
2545                 escaped = g_markup_escape_text(tmp,-1);
2546
2547                 tiptmp = g_strconcat(tip, "\n<b>",
2548                                 prefs_common.attach_desc && mimeinfo->description ?
2549                                 _("Description:") : _("Filename:"),
2550                                 " </b>", escaped, NULL);
2551                 g_free(tip);
2552                 tip = tiptmp;
2553                 g_free(tmp);
2554                 g_free(escaped);
2555         }
2556         if (sigshort && *sigshort) {
2557                 tiptmp = g_strjoin("\n", tip, g_markup_escape_text(sigshort, -1), NULL);
2558                 g_free(tip);
2559                 tip = tiptmp;
2560         }
2561         g_free(sigshort);
2562
2563         gtk_widget_set_tooltip_markup(button, tip);
2564         g_free(tip);
2565         gtk_widget_show_all(button);
2566         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2567                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2568
2569         g_signal_connect(G_OBJECT(button), "popup-menu",
2570                          G_CALLBACK(icon_popup_menu), mimeview);
2571         g_signal_connect(G_OBJECT(button), "button_release_event",
2572                          G_CALLBACK(icon_clicked_cb), mimeview);
2573         g_signal_connect(G_OBJECT(button), "key_press_event",
2574                          G_CALLBACK(icon_key_pressed), mimeview);
2575         g_signal_connect(G_OBJECT(button), "drag_data_get",
2576                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2577         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2578 #ifdef GENERIC_UMPC
2579         gtk_widget_size_request(pixmap, &r);
2580         gtk_widget_set_size_request(button, -1, r.height + 4);
2581 #endif
2582
2583 }
2584
2585 static void icon_list_clear (MimeView *mimeview)
2586 {
2587         GList     *child, *orig;
2588         GtkAdjustment *adj;
2589
2590         orig = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2591         for (child = orig; child != NULL; child = g_list_next(child)) {
2592                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2593                                        GTK_WIDGET(child->data));
2594         }
2595         g_list_free(orig);
2596         mimeview->icon_count = 0;
2597         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2598         gtk_adjustment_set_value(adj, gtk_adjustment_get_lower(adj));
2599         gtk_adjustment_changed(adj);
2600 }
2601
2602 /*!
2603  *\brief        Used to 'click' the next or previous icon.
2604  *
2605  *\return       true if the icon 'number' exists and was selected.
2606  */
2607 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2608                                          GtkAllocation *size, MimeView *mimeview)
2609 {
2610         GtkAllocation vbox_size;
2611         GtkAllocation layout_size;
2612         GtkAdjustment *adj;
2613         guint width;
2614         guint height;
2615
2616         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2617
2618         gtk_widget_get_allocation(mimeview->icon_vbox, &vbox_size);
2619         gtk_widget_get_allocation(mimeview->icon_scroll, &layout_size);
2620
2621         gtk_layout_get_size(GTK_LAYOUT(mimeview->icon_scroll), &width, &height);
2622         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2623                             width,
2624                             MAX(vbox_size.height, layout_size.height));
2625         gtk_adjustment_set_step_increment(adj, 10);
2626 }
2627
2628 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2629 {
2630         GtkRequisition size;
2631         GtkRequisition requisition;
2632
2633         cm_return_if_fail(mimeinfo != NULL);
2634
2635         while (mimeinfo != NULL) {
2636                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2637                         icon_list_append_icon(mimeview, mimeinfo);
2638                 if (mimeinfo->node->children != NULL)
2639                         icon_list_create(mimeview,
2640                                 (MimeInfo *) mimeinfo->node->children->data);
2641                 mimeinfo = mimeinfo->node->next != NULL
2642                          ? (MimeInfo *) mimeinfo->node->next->data
2643                          : NULL;
2644         }
2645         gtk_widget_size_request(mimeview->icon_vbox, &size);
2646         gtk_widget_get_requisition(mimeview->icon_mainbox, &requisition);
2647         if (size.width > requisition.width) {
2648                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2649                                             size.width, -1);
2650         }
2651         if (mimeview->opened)
2652                 icon_list_toggle_by_mime_info(mimeview,
2653                         mimeview_get_node_part(mimeview, mimeview->opened));
2654 }
2655
2656 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2657                                            MimeInfo     *mimeinfo)
2658 {
2659         GList *children, *child;
2660
2661         children = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2662         for (child = children; child != NULL; child = g_list_next(child)) {
2663                 gboolean *highlight = NULL;
2664                 GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2665
2666                 if (!GTK_IS_EVENT_BOX(child->data))
2667                         continue;
2668
2669                 highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2670                 *highlight = (g_object_get_data(G_OBJECT(child->data),
2671                                       "partinfo") == (gpointer)mimeinfo);
2672
2673                 gtk_widget_queue_draw(icon);
2674         }
2675         g_list_free(children);
2676 }
2677
2678 static void ctree_size_allocate_cb(GtkWidget *widget, GtkAllocation *allocation,
2679                                     MimeView *mimeview)
2680 {
2681         prefs_common.mimeview_tree_height = allocation->height;
2682 }
2683
2684 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2685                                     MimeView *mimeview)
2686 {
2687         g_object_ref(button);
2688
2689         mimeview_leave_notify(button, NULL, NULL);
2690
2691         mimeview->ctree_mode = !mimeview->ctree_mode;
2692         if (mimeview->ctree_mode) {
2693                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_RIGHT,
2694                                         GTK_SHADOW_NONE);
2695                 gtk_widget_hide(mimeview->icon_mainbox);
2696                 gtk_widget_show(mimeview->ctree_mainbox);
2697                 gtk_paned_set_position(GTK_PANED(mimeview->paned),
2698                                         prefs_common.mimeview_tree_height);
2699
2700                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2701                                         button);
2702                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2703                                    button, FALSE, FALSE, 0);
2704         } else {
2705                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_LEFT,
2706                               GTK_SHADOW_NONE);
2707                 gtk_widget_hide(mimeview->ctree_mainbox);
2708                 gtk_widget_show(mimeview->icon_mainbox);
2709                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2710
2711                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2712                                         button);
2713                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2714                                    button, FALSE, FALSE, 0);
2715                 gtk_box_reorder_child(GTK_BOX(gtk_widget_get_parent(button)), button, 0);
2716                 if (mimeview->opened)
2717                         icon_list_toggle_by_mime_info(mimeview,
2718                                         mimeview_get_node_part(mimeview, mimeview->opened));
2719                 summary_grab_focus(mimeview->mainwin->summaryview);
2720         }
2721         g_object_unref(button);
2722         return TRUE;
2723 }
2724
2725 void mimeview_update (MimeView *mimeview)
2726 {
2727         if (mimeview && mimeview->mimeinfo) {
2728                 icon_list_clear(mimeview);
2729                 icon_list_create(mimeview, mimeview->mimeinfo);
2730         }
2731 }
2732
2733 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2734 {
2735         MessageView *msgview = NULL;
2736         MainWindow *mainwin = NULL;
2737
2738         if (!cmd)
2739                 return;
2740
2741         msgview = mimeview->messageview;
2742         if (!msgview)
2743                 return;
2744
2745         mainwin = msgview->mainwin;
2746         if (!mainwin)
2747                 return;
2748
2749         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2750                           "pop_partinfo", NULL);
2751
2752         if (!strcmp(cmd, "sc://view_log"))
2753                 log_window_show(mainwin->logwin);
2754         else if (!strcmp(cmd, "sc://save_as"))
2755                 mimeview_save_as(mimeview);
2756         else if (!strcmp(cmd, "sc://display_as_text"))
2757                 mimeview_display_as_text(mimeview);
2758 #ifndef G_OS_WIN32
2759         else if (!strcmp(cmd, "sc://open_with"))
2760                 mimeview_open_with(mimeview);
2761 #endif
2762         else if (!strcmp(cmd, "sc://open"))
2763                 mimeview_launch(mimeview, NULL);
2764         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2765                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2766                 icon_selected(mimeview, -1, (MimeInfo *)data);
2767         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2768                 mimeview_launch(mimeview, (MimeInfo *)data);
2769         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2770                 mimeview->spec_part = (MimeInfo *)data;
2771                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2772         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2773                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2774                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2775                 gtk_toggle_button_set_active(
2776                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2777                                 TRUE);
2778                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2779                                 ADVANCED_SEARCH_EXTENDED, buf);
2780                 g_free(buf);
2781         }
2782 }
2783
2784 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2785 {
2786         if (mimeview->type == MIMEVIEW_TEXT)
2787                 return textview_scroll_page(mimeview->textview, up);
2788         else if (mimeview->mimeviewer) {
2789                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2790                 if (mimeviewer->scroll_page)
2791                         return mimeviewer->scroll_page(mimeviewer, up);
2792         }
2793         return TRUE;
2794 }
2795
2796 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2797 {
2798         if (mimeview->type == MIMEVIEW_TEXT)
2799                 textview_scroll_one_line(mimeview->textview, up);
2800         else if (mimeview->mimeviewer) {
2801                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2802                 if (mimeviewer->scroll_one_line)
2803                         mimeviewer->scroll_one_line(mimeviewer, up);
2804         }
2805 }