src/mimeview.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2015 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #  include "config.h"
  21 #include "claws-features.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #ifdef G_OS_WIN32
  27 #define UNICODE
  28 #define _UNICODE
  29 #endif
  30
  31 #include <glib.h>
  32 #include <glib/gi18n.h>
  33 #include <gdk/gdkkeysyms.h>
  34 #include <gtk/gtk.h>
  35 #include <stdio.h>
  36 #include <sys/types.h>
  37 #include <sys/stat.h>
  38
  39 #include "main.h"
  40 #include "mimeview.h"
  41 #include "textview.h"
  42 #include "procmime.h"
  43 #include "summaryview.h"
  44 #include "menu.h"
  45 #include "filesel.h"
  46 #include "alertpanel.h"
  47 #include "inputdialog.h"
  48 #include "utils.h"
  49 #include "gtkutils.h"
  50 #include "prefs_common.h"
  51 #include "procheader.h"
  52 #include "stock_pixmap.h"
  53 #include "gtk/gtkvscrollbutton.h"
  54 #include "gtk/logwindow.h"
  55 #include "timing.h"
  56 #include "manage_window.h"
  57 #include "privacy.h"
  58
  59 typedef enum
  60 {
  61         COL_MIMETYPE = 0,
  62         COL_SIZE     = 1,
  63         COL_NAME     = 2,
  64         COL_DATA     = 3,
  65 } MimeViewColumnPos;
  66
  67 #define N_MIMEVIEW_COLS 4
  68
  69 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  70                                                  MimeInfo       *mimeinfo,
  71                                                  GtkTreeIter    *parent);
  72 static void mimeview_show_message_part          (MimeView       *mimeview,
  73                                                  MimeInfo       *partinfo);
  74 static void mimeview_change_view_type           (MimeView       *mimeview,
  75                                                  MimeViewType    type);
  76 static gchar *mimeview_get_filename_for_part    (MimeInfo       *partinfo,
  77                                                  const gchar    *basedir,
  78                                                  gint            number);
  79 static gboolean mimeview_write_part             (const gchar    *filename,
  80                                                  MimeInfo       *partinfo,
  81                                                  gboolean        handle_error);
  82
  83 static void mimeview_selected           (GtkTreeSelection       *selection,
  84                                          MimeView       *mimeview);
  85 static gint mimeview_button_pressed     (GtkWidget      *widget,
  86                                          GdkEventButton *event,
  87                                          MimeView       *mimeview);
  88 static gint mimeview_key_pressed        (GtkWidget      *widget,
  89                                          GdkEventKey    *event,
  90                                          MimeView       *mimeview);
  91
  92 static void mimeview_drag_data_get      (GtkWidget        *widget,
  93                                          GdkDragContext   *drag_context,
  94                                          GtkSelectionData *selection_data,
  95                                          guint             info,
  96                                          guint             time,
  97                                          MimeView         *mimeview);
  98
  99 static gboolean mimeview_scrolled       (GtkWidget      *widget,
 100                                          GdkEventScroll *event,
 101                                          MimeView       *mimeview);
 102
 103 static void mimeview_save_all           (MimeView       *mimeview);
 104 #ifndef G_OS_WIN32
 105 static void mimeview_open_part_with     (MimeView       *mimeview,
 106                                          MimeInfo       *partinfo,
 107                                          gboolean        automatic);
 108 #endif
 109 static void mimeview_send_to            (MimeView       *mimeview,
 110                                          MimeInfo       *partinfo);
 111 static void mimeview_view_file          (const gchar    *filename,
 112                                          MimeInfo       *partinfo,
 113                                          const gchar    *cmd,
 114                                          MimeView       *mimeview);
 115 static gboolean icon_clicked_cb         (GtkWidget      *button,
 116                                          GdkEventButton *event,
 117                                          MimeView       *mimeview);
 118 static void icon_selected               (MimeView       *mimeview,
 119                                          gint            num,
 120                                          MimeInfo       *partinfo);
 121 static gint icon_key_pressed            (GtkWidget      *button,
 122                                          GdkEventKey    *event,
 123                                          MimeView       *mimeview);
 124 static void icon_list_append_icon       (MimeView       *mimeview,
 125                                          MimeInfo       *mimeinfo);
 126 static void icon_list_create            (MimeView       *mimeview,
 127                                          MimeInfo       *mimeinfo);
 128 static void icon_list_clear             (MimeView       *mimeview);
 129 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 130                                            MimeInfo     *mimeinfo);
 131 static void ctree_size_allocate_cb      (GtkWidget      *widget,
 132                                          GtkAllocation  *allocation,
 133                                          MimeView       *mimeview);
 134 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
 135                                     MimeView *mimeview);
 136 static gboolean part_button_pressed     (MimeView       *mimeview,
 137                                          GdkEventButton *event,
 138                                          MimeInfo       *partinfo);
 139 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 140                                          GtkAllocation  *layout_size,
 141                                          MimeView       *mimeview);
 142 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview);
 143 static const gchar *get_part_name(MimeInfo *partinfo);
 144 static const gchar *get_part_description(MimeInfo *partinfo);
 145
 146 static void mimeview_launch_cb(GtkAction *action, gpointer data)
 147 {
 148         MimeView *mimeview = (MimeView *)data;
 149         mimeview_launch(mimeview, mimeview_get_part_to_use(mimeview));
 150 }
 151
 152 #ifndef G_OS_WIN32
 153 static void mimeview_open_with_cb(GtkAction *action, gpointer data)
 154 {
 155         mimeview_open_with((MimeView *)data);
 156 }
 157 #endif
 158
 159 static void mimeview_send_to_cb(GtkAction *action, gpointer data)
 160 {
 161         MimeView *mimeview = (MimeView *)data;
 162         mimeview_send_to(mimeview, mimeview_get_part_to_use(mimeview));
 163 }
 164
 165 static void mimeview_display_as_text_cb(GtkAction *action, gpointer data)
 166 {
 167         mimeview_display_as_text((MimeView *)data);
 168 }
 169
 170 static void mimeview_save_as_cb(GtkAction *action, gpointer data)
 171 {
 172         mimeview_save_as((MimeView *)data);
 173 }
 174
 175 static void mimeview_save_all_cb(GtkAction *action, gpointer data)
 176 {
 177         mimeview_save_all((MimeView *)data);
 178 }
 179
 180 static void mimeview_select_next_part_cb(GtkAction *action, gpointer data)
 181 {
 182         mimeview_select_next_part((MimeView *)data);
 183 }
 184
 185 static void mimeview_select_prev_part_cb(GtkAction *action, gpointer data)
 186 {
 187         mimeview_select_prev_part((MimeView *)data);
 188 }
 189
 190 static GtkActionEntry mimeview_menu_actions[] = {
 191         { "MimeView", NULL, "MimeView" },
 192         { "MimeView/Open", NULL, N_("_Open"), NULL, "Open MIME part", G_CALLBACK(mimeview_launch_cb) },
 193 #if (!defined G_OS_WIN32)
 194         { "MimeView/OpenWith", NULL, N_("Open _with..."), NULL, "Open MIME part with...", G_CALLBACK(mimeview_open_with_cb) },
 195 #endif
 196         { "MimeView/SendTo", NULL, N_("Send to..."), NULL, "Send to", G_CALLBACK(mimeview_send_to_cb) },
 197         { "MimeView/DisplayAsText", NULL, N_("_Display as text"), NULL, "Display as text", G_CALLBACK(mimeview_display_as_text_cb) },
 198         { "MimeView/SaveAs", NULL, N_("_Save as..."), NULL, "Save as", G_CALLBACK(mimeview_save_as_cb) },
 199         { "MimeView/SaveAll", NULL, N_("Save _all..."), NULL, "Save all parts", G_CALLBACK(mimeview_save_all_cb) },
 200         { "MimeView/NextPart", NULL, N_("Next part"), NULL, "Next part", G_CALLBACK(mimeview_select_next_part_cb) },
 201         { "MimeView/PrevPart", NULL, N_("Previous part"), NULL, "Previous part", G_CALLBACK(mimeview_select_prev_part_cb) }
 202 };
 203
 204 static GtkTargetEntry mimeview_mime_types[] =
 205 {
 206         {"text/uri-list", 0, 0}
 207 };
 208
 209 GSList *mimeviewer_factories;
 210 GSList *mimeviews;
 211
 212 static GdkCursor *hand_cursor = NULL;
 213
 214 static gboolean mimeview_visi_notify(GtkWidget *widget,
 215                                        GdkEventVisibility *event,
 216                                        MimeView *mimeview)
 217 {
 218         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 219         return FALSE;
 220 }
 221
 222 static gboolean mimeview_leave_notify(GtkWidget *widget,
 223                                       GdkEventCrossing *event,
 224                                       MimeView *mimeview)
 225 {
 226         gdk_window_set_cursor(gtk_widget_get_window(widget), NULL);
 227         return FALSE;
 228 }
 229
 230 static gboolean mimeview_enter_notify(GtkWidget *widget,
 231                                       GdkEventCrossing *event,
 232                                       MimeView *mimeview)
 233 {
 234         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 235         return FALSE;
 236 }
 237
 238 MimeView *mimeview_create(MainWindow *mainwin)
 239 {
 240         MimeView *mimeview;
 241
 242         GtkWidget *paned;
 243         GtkWidget *scrolledwin;
 244         GtkWidget *ctree;
 245         GtkWidget *mime_notebook;
 246         GtkWidget *popupmenu;
 247         GtkWidget *ctree_mainbox;
 248         GtkWidget *vbox;
 249         GtkWidget *mime_toggle;
 250         GtkWidget *icon_mainbox;
 251         GtkWidget *icon_scroll;
 252         GtkWidget *icon_vbox;
 253         GtkWidget *arrow;
 254         GtkWidget *scrollbutton;
 255         GtkWidget *hbox;
 256         NoticeView *siginfoview;
 257         GtkRequisition r;
 258         GtkTreeStore *model;
 259         GtkCellRenderer *renderer;
 260         GtkTreeViewColumn *column;
 261         GtkTreeSelection *selection;
 262
 263         gchar *titles[N_MIMEVIEW_COLS];
 264         gint cols;
 265
 266         if (!hand_cursor)
 267                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 268
 269         debug_print("Creating MIME view...\n");
 270         mimeview = g_new0(MimeView, 1);
 271
 272         titles[COL_MIMETYPE] = _("MIME Type");
 273         titles[COL_SIZE]     = _("Size");
 274         titles[COL_NAME]     = _("Name");
 275
 276         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 277         gtk_widget_show(scrolledwin);
 278         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 279                                        GTK_POLICY_AUTOMATIC,
 280                                        GTK_POLICY_AUTOMATIC);
 281
 282         model = gtk_tree_store_new(N_MIMEVIEW_COLS,
 283                                    G_TYPE_STRING,
 284                                    G_TYPE_STRING,
 285                                    G_TYPE_STRING,
 286                                    G_TYPE_POINTER);
 287
 288         ctree = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
 289         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(ctree), FALSE);
 290         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(ctree),
 291                                         prefs_common.use_stripes_everywhere);
 292         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(ctree),
 293                                         prefs_common.show_col_headers);
 294
 295         renderer = gtk_cell_renderer_text_new();
 296         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 297                                         -1, titles[COL_MIMETYPE],renderer,
 298                                         "text", COL_MIMETYPE, NULL);
 299         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 300
 301         renderer = gtk_cell_renderer_text_new();
 302         gtk_cell_renderer_set_alignment(renderer, 1, 0.5);
 303         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 304                                         -1, titles[COL_SIZE], renderer,
 305                                         "text", COL_SIZE, NULL);
 306         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 307         gtk_tree_view_column_set_alignment(GTK_TREE_VIEW_COLUMN(column), 1);
 308
 309         renderer = gtk_cell_renderer_text_new();
 310         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 311                                         -1, titles[COL_NAME], renderer,
 312                                         "text", COL_NAME, NULL);
 313         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 314         gtk_tree_view_column_set_expand(GTK_TREE_VIEW_COLUMN(column), TRUE);
 315
 316         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(ctree));
 317         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 318
 319         gtk_widget_show(ctree);
 320         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 321         gtk_drag_source_set(ctree, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
 322                             mimeview_mime_types, 1, GDK_ACTION_COPY);
 323
 324         g_signal_connect(G_OBJECT(selection), "changed",
 325                          G_CALLBACK(mimeview_selected), mimeview);
 326         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 327                          G_CALLBACK(mimeview_button_pressed), mimeview);
 328         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 329                          G_CALLBACK(mimeview_key_pressed), mimeview);
 330         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 331                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 332
 333         mime_notebook = gtk_notebook_new();
 334         gtk_widget_show(mime_notebook);
 335         gtk_widget_set_can_focus(mime_notebook, FALSE);
 336         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 337         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 338
 339         icon_vbox = gtk_vbox_new(FALSE, 2);
 340         gtk_widget_show(icon_vbox);
 341         icon_scroll = gtk_layout_new(NULL, NULL);
 342         gtk_widget_show(icon_scroll);
 343         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 344         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 345         gtk_widget_show(scrollbutton);
 346
 347         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 348                          G_CALLBACK(mimeview_scrolled), mimeview);
 349
 350         mime_toggle = gtk_event_box_new();
 351         gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 352
 353         g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
 354                          G_CALLBACK(mimeview_visi_notify), mimeview);
 355         g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
 356                          G_CALLBACK(mimeview_leave_notify), mimeview);
 357         g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
 358                          G_CALLBACK(mimeview_enter_notify), mimeview);
 359
 360         gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 361         gtk_widget_show(mime_toggle);
 362         mimeview->ctree_mode = FALSE;
 363         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 364         gtk_widget_show(arrow);
 365         gtk_widget_size_request(arrow, &r);
 366         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 367         g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 368                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 369
 370         icon_mainbox = gtk_vbox_new(FALSE, 0);
 371         gtk_widget_show(icon_mainbox);
 372         gtk_widget_set_size_request(icon_mainbox, 32, -1);
 373         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 374         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 375         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 376         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 377                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 378
 379         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 380         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 381         g_signal_connect(G_OBJECT(ctree_mainbox), "size_allocate",
 382                          G_CALLBACK(ctree_size_allocate_cb), mimeview);
 383
 384         mimeview->ui_manager = gtk_ui_manager_new();
 385         mimeview->action_group = cm_menu_create_action_group_full(mimeview->ui_manager,
 386                         "MimeView", mimeview_menu_actions,
 387                         G_N_ELEMENTS(mimeview_menu_actions), (gpointer)mimeview);
 388
 389         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 390         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 391                         "/Menus/", "MimeView", "MimeView", GTK_UI_MANAGER_MENU);
 392         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 393                         "/Menus/MimeView/", "Open", "MimeView/Open",
 394                         GTK_UI_MANAGER_MENUITEM);
 395 #if (!defined G_OS_WIN32)
 396         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 397                         "/Menus/MimeView/", "OpenWith", "MimeView/OpenWith",
 398                         GTK_UI_MANAGER_MENUITEM);
 399 #endif
 400         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 401                         "/Menus/MimeView/", "SendTo", "MimeView/SendTo",
 402                         GTK_UI_MANAGER_MENUITEM);
 403         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 404                         "/Menus/MimeView/", "DisplayAsText", "MimeView/DisplayAsText",
 405                         GTK_UI_MANAGER_MENUITEM);
 406         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 407                         "/Menus/MimeView/", "SaveAs", "MimeView/SaveAs",
 408                         GTK_UI_MANAGER_MENUITEM);
 409         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 410                         "/Menus/MimeView/", "SaveAll", "MimeView/SaveAll",
 411                         GTK_UI_MANAGER_MENUITEM);
 412         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 413                         "/Menus/MimeView/", "NextPart", "MimeView/NextPart",
 414                         GTK_UI_MANAGER_MENUITEM);
 415         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 416                         "/Menus/MimeView/", "PrevPart", "MimeView/PrevPart",
 417                         GTK_UI_MANAGER_MENUITEM);
 418
 419         popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 420                                 gtk_ui_manager_get_widget(mimeview->ui_manager, "/Menus/MimeView")) );
 421
 422
 423         vbox = gtk_vbox_new(FALSE, 0);
 424         gtk_widget_show(vbox);
 425         siginfoview = noticeview_create(mainwin);
 426         noticeview_hide(siginfoview);
 427         noticeview_set_icon_clickable(siginfoview, TRUE);
 428         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 429         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 430
 431         paned = gtk_vpaned_new();
 432         gtk_widget_show(paned);
 433         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 434         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 435
 436         hbox = gtk_hbox_new(FALSE, 0);
 437         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 438         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 439
 440         gtk_widget_show(hbox);
 441         gtk_widget_hide(ctree_mainbox);
 442 #ifdef GENERIC_UMPC
 443         gtk_widget_set_size_request(mime_toggle, -1, r.height + 8);
 444 #endif
 445         mimeview->hbox          = hbox;
 446         mimeview->paned         = paned;
 447         mimeview->scrolledwin   = scrolledwin;
 448         mimeview->ctree         = ctree;
 449         mimeview->mime_notebook = mime_notebook;
 450         mimeview->popupmenu     = popupmenu;
 451         mimeview->type          = -1;
 452         mimeview->ctree_mainbox = ctree_mainbox;
 453         mimeview->icon_scroll   = icon_scroll;
 454         mimeview->icon_vbox     = icon_vbox;
 455         mimeview->icon_mainbox  = icon_mainbox;
 456         mimeview->icon_count    = 0;
 457         mimeview->mainwin       = mainwin;
 458         mimeview->mime_toggle   = mime_toggle;
 459         mimeview->siginfoview   = siginfoview;
 460         mimeview->scrollbutton  = scrollbutton;
 461         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 462
 463         mimeviews = g_slist_prepend(mimeviews, mimeview);
 464
 465         return mimeview;
 466 }
 467
 468 void mimeview_init(MimeView *mimeview)
 469 {
 470         textview_init(mimeview->textview);
 471
 472         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 473                 GTK_WIDGET_PTR(mimeview->textview));
 474 }
 475
 476 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 477 {
 478         while (mimeinfo) {
 479                 if (privacy_mimeinfo_is_signed(mimeinfo))
 480                         return TRUE;
 481                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 482         }
 483
 484         return FALSE;
 485 }
 486
 487 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 488                            const gchar *file)
 489 {
 490         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
 491
 492         mimeview_clear(mimeview);
 493
 494         cm_return_if_fail(file != NULL);
 495         cm_return_if_fail(mimeinfo != NULL);
 496
 497         mimeview->mimeinfo = mimeinfo;
 498
 499         mimeview->file = g_strdup(file);
 500
 501         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 502                                         mimeview);
 503
 504         /* check if the mail's signed - it can change the mail structure */
 505
 506         if (any_part_is_signed(mimeinfo))
 507                 debug_print("signed mail\n");
 508
 509         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 510         gtk_tree_view_expand_all(ctree);
 511         icon_list_clear(mimeview);
 512         icon_list_create(mimeview, mimeinfo);
 513
 514         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 515                                           mimeview_selected, mimeview);
 516 }
 517
 518 #ifdef USE_PTHREAD
 519 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 520 #endif
 521
 522 static void mimeview_free_mimeinfo(MimeView *mimeview)
 523 {
 524         gboolean defer = FALSE;
 525 #ifdef USE_PTHREAD
 526         defer = (mimeview->check_data != NULL);
 527         if (defer)
 528                 mimeview->check_data->free_after_use = TRUE;
 529 #endif
 530         if (mimeview->mimeinfo != NULL && !defer) {
 531                 procmime_mimeinfo_free_all(&mimeview->mimeinfo);
 532                 mimeview->mimeinfo = NULL;
 533         } else if (defer) {
 534 #ifdef USE_PTHREAD
 535                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 536                 mimeview_check_sig_cancel_now(mimeview);
 537 #endif
 538         }
 539 }
 540
 541 void mimeview_destroy(MimeView *mimeview)
 542 {
 543         GSList *cur;
 544
 545         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 546                 MimeViewer *viewer = (MimeViewer *) cur->data;
 547                 viewer->destroy_viewer(viewer);
 548         }
 549         g_slist_free(mimeview->viewers);
 550         gtk_target_list_unref(mimeview->target_list);
 551
 552 #ifdef USE_PTHREAD
 553         if (mimeview->check_data) {
 554                 mimeview->check_data->destroy_mimeview = TRUE;
 555                 debug_print("deferring destroy\n");
 556         } else
 557 #endif
 558         {
 559                 mimeview_free_mimeinfo(mimeview);
 560                 gtk_tree_path_free(mimeview->opened);
 561                 g_free(mimeview->file);
 562                 g_free(mimeview);
 563                 mimeviews = g_slist_remove(mimeviews, mimeview);
 564         }
 565
 566 }
 567
 568 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 569 {
 570         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 571         GtkTreeIter iter;
 572         GtkTreeSelection *selection;
 573         MimeInfo *partinfo = NULL;
 574
 575         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 576         if (gtk_tree_selection_get_selected(selection, NULL, &iter))
 577                 gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 578
 579         return partinfo;
 580 }
 581
 582 MimeInfo *mimeview_get_node_part(MimeView *mimeview, GtkTreePath *path)
 583 {
 584         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 585         GtkTreeIter iter;
 586         MimeInfo *partinfo;
 587
 588         gtk_tree_model_get_iter(model, &iter, path);
 589         gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 590         return partinfo;
 591 }
 592
 593 gboolean mimeview_tree_is_empty(MimeView *mimeview)
 594 {
 595         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 596         GtkTreeIter iter;
 597         return !gtk_tree_model_get_iter_first(model, &iter);
 598 }
 599
 600 static gboolean mimeview_tree_next(GtkTreeModel *model, GtkTreePath *path)
 601 {
 602         GtkTreeIter iter, parent;
 603         gboolean has_parent;
 604
 605         gtk_tree_model_get_iter(model, &iter, path);
 606
 607         if (gtk_tree_model_iter_has_child(model, &iter)) {
 608                 gtk_tree_path_down(path);
 609                 return TRUE;
 610         }
 611
 612         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 613
 614         if (!gtk_tree_model_iter_next(model, &iter)) {
 615                 while (has_parent) {
 616                         GtkTreeIter saved_parent = parent;
 617                         gtk_tree_path_up(path);
 618                         if (gtk_tree_model_iter_next(model, &parent)) {
 619                                 gtk_tree_path_next(path);
 620                                 return TRUE;
 621                         } else {
 622                                 has_parent = gtk_tree_model_iter_parent(model, &parent, &saved_parent);
 623                         }
 624                 }
 625
 626         } else {
 627                 gtk_tree_path_next(path);
 628                 return TRUE;
 629         }
 630
 631         return FALSE;
 632 }
 633
 634 static gboolean mimeview_tree_prev(MimeView *mimeview, GtkTreePath *path)
 635 {
 636         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 637         GtkTreeIter iter, child, parent;
 638         gboolean has_parent;
 639
 640         gtk_tree_model_get_iter(model, &iter, path);
 641         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 642
 643         if (gtk_tree_path_prev(path)) {
 644                 gtk_tree_model_get_iter(model, &iter, path);
 645
 646                 if (gtk_tree_model_iter_nth_child(model, &child, &iter, 0)) {
 647                         gtk_tree_path_down(path);
 648
 649                         while (gtk_tree_model_iter_next(model, &child))
 650                                 gtk_tree_path_next(path);
 651                 }
 652
 653                 return TRUE;
 654         }
 655
 656         if (has_parent) {
 657                 gtk_tree_path_up(path);
 658                 return TRUE;
 659         }
 660
 661         return FALSE;
 662 }
 663
 664 gint mimeview_get_selected_part_num(MimeView *mimeview)
 665 {
 666         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 667         GtkTreeIter iter;
 668         GtkTreePath *path;
 669         gint i = 0;
 670
 671         gtk_tree_model_get_iter_first(model, &iter);
 672         path = gtk_tree_model_get_path(model, &iter);
 673
 674         do {
 675                 if (!gtk_tree_path_compare(mimeview->opened, path)) {
 676                         gtk_tree_path_free(path);
 677                         return i;
 678                 }
 679
 680                 i++;
 681         } while (mimeview_tree_next(model, path));
 682
 683         gtk_tree_path_free(path);
 684
 685         return -1;
 686 }
 687
 688 void mimeview_select_part_num(MimeView *mimeview, gint i)
 689 {
 690         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 691         GtkTreeIter iter;
 692         GtkTreePath *path;
 693         GtkTreeSelection *selection;
 694         gint x = 0;
 695
 696         if (i < 0)
 697                 return;
 698
 699         gtk_tree_model_get_iter_first(model, &iter);
 700         path = gtk_tree_model_get_path(model, &iter);
 701
 702         while (x != i) {
 703                 if (!mimeview_tree_next(model, path)) {
 704                         gtk_tree_path_free(path);
 705                         return;
 706                 }
 707                 x++;
 708         }
 709
 710         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 711         gtk_tree_selection_select_path(selection, path);
 712         gtk_tree_path_free(path);
 713 }
 714
 715 static void mimeview_set_multipart_tree(MimeView *mimeview,
 716                                         MimeInfo *mimeinfo,
 717                                         GtkTreeIter *parent)
 718 {
 719         GtkTreeStore *model = GTK_TREE_STORE(gtk_tree_view_get_model(
 720                                         GTK_TREE_VIEW(mimeview->ctree)));
 721         GtkTreeIter iter;
 722         gchar *content_type, *length, *name;
 723
 724         cm_return_if_fail(mimeinfo != NULL);
 725
 726         while (mimeinfo != NULL) {
 727                 if (mimeinfo->type != MIMETYPE_UNKNOWN && mimeinfo->subtype)
 728                         content_type = g_strdup_printf("%s/%s",
 729                                         procmime_get_media_type_str(mimeinfo->type),
 730                                         mimeinfo->subtype);
 731                 else
 732                         content_type = g_strdup("UNKNOWN");
 733
 734                 length = g_strdup(to_human_readable((goffset) mimeinfo->length));
 735
 736                 if (prefs_common.attach_desc)
 737                         name = g_strdup(get_part_description(mimeinfo));
 738                 else
 739                         name = g_strdup(get_part_name(mimeinfo));
 740
 741                 gtk_tree_store_append(model, &iter, parent);
 742                 gtk_tree_store_set(model, &iter,
 743                                 COL_MIMETYPE, content_type,
 744                                 COL_SIZE, length,
 745                                 COL_NAME, name,
 746                                 COL_DATA, mimeinfo, -1);
 747                 g_free(content_type);
 748                 g_free(length);
 749                 g_free(name);
 750
 751                 if (mimeinfo->node->children)
 752                         mimeview_set_multipart_tree(mimeview,
 753                                 (MimeInfo *) mimeinfo->node->children->data, &iter);
 754                 mimeinfo = mimeinfo->node->next != NULL ?
 755                                 (MimeInfo *) mimeinfo->node->next->data : NULL;
 756         }
 757 }
 758
 759 static const gchar *get_real_part_name(MimeInfo *partinfo)
 760 {
 761         const gchar *name = NULL;
 762
 763         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 764         if (name == NULL)
 765                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 766
 767         return name;
 768 }
 769
 770 static const gchar *get_part_name(MimeInfo *partinfo)
 771 {
 772         const gchar *name;
 773
 774         name = get_real_part_name(partinfo);
 775         if (name == NULL)
 776                 name = "";
 777
 778         return name;
 779 }
 780
 781 static const gchar *get_part_description(MimeInfo *partinfo)
 782 {
 783         if (partinfo->description)
 784                 return partinfo->description;
 785         else
 786                 return get_part_name(partinfo);
 787 }
 788
 789 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 790 {
 791         FILE *fp;
 792         const gchar *fname;
 793
 794         if (!partinfo) return;
 795
 796         fname = mimeview->file;
 797         if (!fname) return;
 798
 799         if ((fp = g_fopen(fname, "rb")) == NULL) {
 800                 FILE_OP_ERROR(fname, "fopen");
 801                 return;
 802         }
 803
 804         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 805                 FILE_OP_ERROR(mimeview->file, "fseek");
 806                 fclose(fp);
 807                 return;
 808         }
 809
 810         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 811         textview_show_part(mimeview->textview, partinfo, fp);
 812
 813         fclose(fp);
 814 }
 815
 816 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 817 {
 818         GSList *cur;
 819         MimeViewerFactory *factory = NULL;
 820         MimeViewer *viewer = NULL;
 821         gchar *real_contenttype = NULL, *tmp;
 822
 823         real_contenttype = g_utf8_strdown((gchar *)content_type, -1);
 824
 825         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 826                 MimeViewerFactory *curfactory = cur->data;
 827                 gint i = 0;
 828
 829                 while (curfactory->content_types[i] != NULL) {
 830                         tmp = g_utf8_strdown(curfactory->content_types[i], -1);
 831                         if (g_pattern_match_simple(tmp, real_contenttype)) {
 832                                 debug_print("%s\n", curfactory->content_types[i]);
 833                                 factory = curfactory;
 834                                 g_free(tmp);
 835                                 break;
 836                         }
 837                         g_free(tmp);
 838                         i++;
 839                 }
 840                 if (factory != NULL)
 841                         break;
 842         }
 843         g_free(real_contenttype);
 844         if (factory == NULL)
 845                 return NULL;
 846
 847         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 848                 MimeViewer *curviewer = cur->data;
 849
 850                 if (curviewer->factory == factory)
 851                         return curviewer;
 852         }
 853         viewer = factory->create_viewer();
 854         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 855                 GTK_WIDGET(viewer->get_widget(viewer)));
 856
 857         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 858
 859         return viewer;
 860 }
 861
 862 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 863 {
 864         return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 865 }
 866
 867 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 868 {
 869         gchar *content_type = NULL;
 870         MimeViewer *viewer = NULL;
 871
 872         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 873             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 874                 const gchar *filename;
 875
 876                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 877                 if (filename == NULL)
 878                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 879                 if (filename != NULL)
 880                         content_type = procmime_get_mime_type(filename);
 881         } else {
 882                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 883         }
 884
 885         if (content_type != NULL) {
 886                 viewer = get_viewer_for_content_type(mimeview, content_type);
 887                 g_free(content_type);
 888         }
 889
 890         return viewer;
 891 }
 892
 893 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 894 {
 895         MimeViewer *viewer;
 896
 897         if (mimeview->messageview->partial_display_shown) {
 898                 noticeview_hide(mimeview->messageview->noticeview);
 899                 mimeview->messageview->partial_display_shown = FALSE;
 900         }
 901
 902         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 903         if (viewer == NULL) {
 904                 if (mimeview->mimeviewer != NULL)
 905                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 906                 mimeview->mimeviewer = NULL;
 907                 return FALSE;
 908         }
 909
 910         if (mimeview->mimeviewer != NULL)
 911                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 912
 913         if (mimeview->mimeviewer != viewer)
 914                 mimeview->mimeviewer = viewer;
 915
 916         mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 917         viewer->mimeview = mimeview;
 918         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 919
 920         return TRUE;
 921 }
 922
 923 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 924 {
 925         TextView  *textview  = mimeview->textview;
 926         GtkWidget *focused = NULL;
 927
 928         if (mainwindow_get_mainwindow())
 929                 focused = gtkut_get_focused_child(
 930                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 931
 932         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 933             (mimeview->type == type)) return;
 934
 935         switch (type) {
 936         case MIMEVIEW_TEXT:
 937                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 938                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 939                         GTK_WIDGET_PTR(textview)));
 940                 break;
 941         case MIMEVIEW_VIEWER:
 942                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 943                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 944                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 945                 break;
 946         default:
 947                 return;
 948         }
 949         if (focused)
 950                 gtk_widget_grab_focus(focused);
 951         mimeview->type = type;
 952 }
 953
 954 void mimeview_clear(MimeView *mimeview)
 955 {
 956         GtkTreeModel *model;
 957
 958         if (!mimeview)
 959                 return;
 960
 961         if (g_slist_find(mimeviews, mimeview) == NULL)
 962                 return;
 963
 964         noticeview_hide(mimeview->siginfoview);
 965
 966         model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 967         gtk_tree_store_clear(GTK_TREE_STORE(model));
 968
 969         textview_clear(mimeview->textview);
 970         if (mimeview->mimeviewer != NULL)
 971                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 972
 973         mimeview_free_mimeinfo(mimeview);
 974
 975         mimeview->mimeinfo = NULL;
 976
 977         gtk_tree_path_free(mimeview->opened);
 978         mimeview->opened = NULL;
 979
 980         g_free(mimeview->file);
 981         mimeview->file = NULL;
 982
 983         icon_list_clear(mimeview);
 984         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 985 }
 986
 987 gchar * get_message_check_signature_shortcut(MessageView *messageview) {
 988         GtkUIManager *ui_manager;
 989
 990         if (messageview->window != NULL)
 991                         ui_manager = messageview->ui_manager;
 992                 else
 993                         ui_manager = messageview->mainwin->ui_manager;
 994
 995         return cm_menu_item_get_shortcut(ui_manager, "Menu/Message/CheckSignature");
 996 }
 997
 998 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
 999 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
1000
1001 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
1002                                         gboolean special, SignatureStatus code)
1003 {
1004         gchar *text = NULL, *button_text = NULL;
1005         void  *func = NULL;
1006         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1007         SignatureStatus mycode = SIGNATURE_UNCHECKED;
1008
1009         cm_return_if_fail(mimeview != NULL);
1010         cm_return_if_fail(mimeinfo != NULL);
1011
1012         if (special)
1013                 mycode = code;
1014         else
1015                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
1016
1017         switch (mycode) {
1018         case SIGNATURE_UNCHECKED:
1019                 button_text = _("Check signature");
1020                 func = check_signature_cb;
1021                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1022                 break;
1023         case SIGNATURE_OK:
1024                 button_text = _("View full information");
1025                 func = display_full_info_cb;
1026                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
1027                 break;
1028         case SIGNATURE_WARN:
1029                 button_text = _("View full information");
1030                 func = display_full_info_cb;
1031                 icon = STOCK_PIXMAP_PRIVACY_WARN;
1032                 break;
1033         case SIGNATURE_KEY_EXPIRED:
1034                 button_text = _("View full information");
1035                 func = display_full_info_cb;
1036                 icon = STOCK_PIXMAP_PRIVACY_EXPIRED;
1037                 break;
1038         case SIGNATURE_INVALID:
1039                 button_text = _("View full information");
1040                 func = display_full_info_cb;
1041                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
1042                 break;
1043         case SIGNATURE_CHECK_FAILED:
1044         case SIGNATURE_CHECK_TIMEOUT:
1045                 button_text = _("Check again");
1046                 func = check_signature_cb;
1047                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
1048                 break;
1049         default:
1050                 break;
1051         }
1052         if (mycode == SIGNATURE_UNCHECKED) {
1053                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
1054                 gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1055
1056                 if (*shortcut == '\0')
1057                         text = g_strdup_printf(_("%s Click the icon to check it."), tmp);
1058                 else
1059                         text = g_strdup_printf(_("%s Click the icon or hit '%s' to check it."),
1060                                 tmp, shortcut);
1061                 g_free(tmp);
1062                 g_free(shortcut);
1063         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
1064                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
1065         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
1066                 gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1067
1068                 if (*shortcut == '\0')
1069                         text = g_strdup(_("Timeout checking the signature. Click the icon to try again."));
1070                 else
1071                         text = g_strdup_printf(_("Timeout checking the signature. Click the icon or hit '%s' to try again."), shortcut);
1072                 g_free(shortcut);
1073         }
1074
1075         noticeview_set_text(mimeview->siginfoview, text);
1076         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
1077
1078         g_free(text);
1079         noticeview_set_button_text(mimeview->siginfoview, NULL);
1080         noticeview_set_button_press_callback(
1081                 mimeview->siginfoview,
1082                 G_CALLBACK(func),
1083                 (gpointer) mimeview);
1084         noticeview_set_icon(mimeview->siginfoview, icon);
1085         noticeview_set_tooltip(mimeview->siginfoview, button_text);
1086
1087         icon_list_clear(mimeview);
1088         icon_list_create(mimeview, mimeview->mimeinfo);
1089 }
1090
1091 #ifdef USE_PTHREAD
1092
1093 /* reset all thread stuff, and do the cleanups we've been left to do */
1094 static void mimeview_check_data_reset(MimeView *mimeview)
1095 {
1096         gboolean must_free;
1097         gboolean must_destroy;
1098
1099         if (!mimeview->check_data)
1100                 return;
1101
1102         must_free = mimeview->check_data->free_after_use;
1103         must_destroy = mimeview->check_data->destroy_mimeview;
1104
1105         if (mimeview->check_data->cancel_th_init) {
1106                 debug_print("killing canceller thread\n");
1107                 mimeview->check_data->cancel_th_init = FALSE;
1108                 pthread_cancel(mimeview->check_data->cancel_th);
1109         }
1110
1111         if (must_free) {
1112                 debug_print("freeing deferred mimeinfo\n");
1113                 procmime_mimeinfo_free_all(&mimeview->check_data->siginfo);
1114         }
1115
1116         g_free(mimeview->check_data);
1117         mimeview->check_data = NULL;
1118
1119         if (must_destroy) {
1120                 debug_print("freeing deferred mimeview\n");
1121                 mimeview_free_mimeinfo(mimeview);
1122                 gtk_tree_path_free(mimeview->opened);
1123                 g_free(mimeview->file);
1124                 g_free(mimeview);
1125                 mimeviews = g_slist_remove(mimeviews, mimeview);
1126         }
1127 }
1128
1129 /* GUI update once the checker thread is done or killed */
1130 static gboolean mimeview_check_sig_thread_cb(void *data)
1131 {
1132         MimeView *mimeview = (MimeView *) data;
1133         MimeInfo *mimeinfo = mimeview->siginfo;
1134
1135         debug_print("mimeview_check_sig_thread_cb\n");
1136
1137         if (mimeinfo == NULL) {
1138                 /* message changed !? */
1139                 g_warning("no more siginfo!");
1140                 goto end;
1141         }
1142
1143         if (!mimeview->check_data) {
1144                 g_warning("nothing to check");
1145                 return FALSE;
1146         }
1147
1148         if (mimeview->check_data->siginfo != mimeinfo) {
1149                 /* message changed !? */
1150                 g_warning("different siginfo!");
1151                 goto end;
1152         }
1153
1154         if (mimeview->check_data->destroy_mimeview ||
1155             mimeview->check_data->free_after_use) {
1156                 debug_print("not bothering, we're changing message\n");
1157                 goto end;
1158         }
1159
1160         /* update status */
1161         if (mimeview->check_data->timeout)
1162                 update_signature_noticeview(mimeview, mimeview->siginfo,
1163                         TRUE, SIGNATURE_CHECK_TIMEOUT);
1164         else
1165                 update_signature_noticeview(mimeview, mimeview->siginfo,
1166                         FALSE, 0);
1167
1168 end:
1169         mimeview_check_data_reset(mimeview);
1170         return FALSE;
1171 }
1172
1173 /* sig checker thread */
1174 static void *mimeview_check_sig_worker_thread(void *data)
1175 {
1176         MimeView *mimeview = (MimeView *)data;
1177         MimeInfo *mimeinfo = mimeview->siginfo;
1178
1179         debug_print("checking...\n");
1180
1181         if (!mimeview->check_data)
1182                 return NULL;
1183
1184         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo) {
1185                 privacy_mimeinfo_check_signature(mimeinfo);
1186                 if (mimeview->check_data && mimeview->check_data->cancel_th_init) {
1187                         mimeview->check_data->cancel_th_init = FALSE;
1188                         pthread_cancel(mimeview->check_data->cancel_th);
1189                 }
1190         } else {
1191                 /* that's strange! we changed message without
1192                  * getting killed. */
1193                 g_warning("different siginfo!");
1194                 mimeview_check_data_reset(mimeview);
1195                 return NULL;
1196         }
1197
1198         /* use g_timeout so that GUI updates is done from the
1199          * correct thread */
1200         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1201
1202         return NULL;
1203 }
1204
1205 /* killer thread - acts when the checker didn't work fast
1206  * enough. */
1207 static void *mimeview_check_sig_cancel_thread(void *data)
1208 {
1209         MimeView *mimeview = (MimeView *)data;
1210
1211         if (!mimeview->check_data)
1212                 return NULL; /* nothing to kill ! */
1213
1214         /* wait for a few seconds... */
1215         debug_print("waiting a while\n");
1216
1217         g_usleep(5 * 1000 * 1000);
1218
1219         if (!mimeview->check_data)
1220                 return NULL; /* nothing to kill, it's done in time :) */
1221
1222         /* too late, go away checker thread */
1223         debug_print("killing checker thread\n");
1224         if (mimeview->check_data->th_init) {
1225                 mimeview->check_data->th_init = FALSE;
1226                 pthread_cancel(mimeview->check_data->th);
1227         }
1228
1229         /* tell upstream it was a timeout */
1230         mimeview->check_data->timeout = TRUE;
1231         /* use g_timeout so that GUI updates is done from the
1232          * correct thread */
1233         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1234
1235         return NULL;
1236 }
1237
1238 /* get rid of the checker thread right now - used when changing the
1239  * displayed message for example. */
1240 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1241 {
1242         if (!mimeview->check_data)
1243                 return;
1244         debug_print("killing checker thread NOW\n");
1245         if (mimeview->check_data->th_init) {
1246                 mimeview->check_data->th_init = FALSE;
1247                 pthread_cancel(mimeview->check_data->th);
1248         }
1249
1250         /* tell upstream it was a timeout */
1251         mimeview->check_data->timeout = TRUE;
1252         mimeview_check_sig_thread_cb(mimeview);
1253         return;
1254 }
1255
1256 /* creates a thread to check the signature, and a second one
1257  * to kill the first one after a timeout */
1258 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1259 {
1260         pthread_t th, th2;
1261         pthread_attr_t detach, detach2;
1262
1263         if (mimeview->check_data) {
1264                 g_warning("already checking it");
1265                 return;
1266         }
1267
1268         mimeview->check_data = g_new0(SigCheckData, 1);
1269         mimeview->check_data->siginfo = mimeview->siginfo;
1270         debug_print("creating thread\n");
1271
1272         /* init thread attributes and create the checker thread */
1273         if (pthread_attr_init(&detach) != 0 ||
1274             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1275             pthread_attr_init(&detach2) != 0 ||
1276             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1277             pthread_create(&th, &detach,
1278                         mimeview_check_sig_worker_thread,
1279                         mimeview) != 0) {
1280                 /* arh. We'll do it synchronously. */
1281                 g_warning("can't create thread");
1282                 g_free(mimeview->check_data);
1283                 mimeview->check_data = NULL;
1284                 return;
1285         } else {
1286                 mimeview->check_data->th = th;
1287                 mimeview->check_data->th_init = TRUE;
1288         }
1289
1290         /* create the killer thread */
1291         pthread_create(&th2, &detach2,
1292                         mimeview_check_sig_cancel_thread,
1293                         mimeview);
1294
1295         mimeview->check_data->cancel_th = th2;
1296         mimeview->check_data->cancel_th_init = TRUE;
1297 }
1298 #endif
1299
1300 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1301 {
1302         MimeView *mimeview = (MimeView *) user_data;
1303         MimeInfo *mimeinfo = mimeview->siginfo;
1304
1305         if (mimeinfo == NULL)
1306                 return;
1307 #ifdef USE_PTHREAD
1308         if (mimeview->check_data)
1309                 return;
1310 #endif
1311         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1312         GTK_EVENTS_FLUSH();
1313 #ifdef USE_PTHREAD
1314         /* let's do it non-blocking */
1315         mimeview_check_sig_in_thread(mimeview);
1316         if (!mimeview->check_data) /* let's check syncronously */
1317 #endif
1318         {
1319                 debug_print("checking without thread\n");
1320                 privacy_mimeinfo_check_signature(mimeinfo);
1321                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1322         }
1323 }
1324
1325 void mimeview_check_signature(MimeView *mimeview)
1326 {
1327         check_signature_cb(NULL, mimeview);
1328 }
1329
1330 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1331 {
1332         MimeView *mimeview = (MimeView *) user_data;
1333         gtk_tree_path_free(mimeview->opened);
1334         mimeview->opened = NULL;
1335         mimeview_selected(gtk_tree_view_get_selection(
1336                         GTK_TREE_VIEW(mimeview->ctree)), mimeview);
1337 }
1338
1339 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1340 {
1341         MimeView *mimeview = (MimeView *) user_data;
1342         gchar *siginfo;
1343
1344         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1345         textview_set_text(mimeview->textview, siginfo);
1346         g_free(siginfo);
1347         noticeview_set_button_text(mimeview->siginfoview, NULL);
1348         noticeview_set_button_press_callback(
1349                 mimeview->siginfoview,
1350                 G_CALLBACK(redisplay_email),
1351                 (gpointer) mimeview);
1352         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1353 }
1354
1355 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1356 {
1357         MimeInfo *siginfo;
1358         MimeInfo *first_text;
1359
1360         cm_return_if_fail(mimeview != NULL);
1361         cm_return_if_fail(selected != NULL);
1362
1363         if (selected->type == MIMETYPE_MESSAGE
1364         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1365                 /* if the first text part is signed, check that */
1366                 first_text = selected;
1367                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1368                         first_text = procmime_mimeinfo_next(first_text);
1369                 }
1370                 if (first_text) {
1371                         update_signature_info(mimeview, first_text);
1372                         return;
1373                 }
1374         }
1375
1376         siginfo = selected;
1377         while (siginfo != NULL) {
1378                 if (privacy_mimeinfo_is_signed(siginfo))
1379                         break;
1380                 siginfo = procmime_mimeinfo_parent(siginfo);
1381         }
1382         mimeview->siginfo = siginfo;
1383
1384         /* This shortcut boolean is there to correctly set the menu's
1385          * CheckSignature item sensitivity without killing performance
1386          * each time the menu sensitiveness is updated (a lot).
1387          */
1388         mimeview->signed_part = (siginfo != NULL);
1389
1390         if (siginfo == NULL) {
1391                 noticeview_hide(mimeview->siginfoview);
1392                 return;
1393         }
1394
1395         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1396         noticeview_show(mimeview->siginfoview);
1397 }
1398
1399 static void mimeview_selected(GtkTreeSelection *selection, MimeView *mimeview)
1400 {
1401         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1402         GtkTreeModel *model;
1403         GtkTreeIter iter;
1404         GtkTreePath *path;
1405         MimeInfo *partinfo;
1406
1407         selection = gtk_tree_view_get_selection(ctree);
1408         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1409                 return;
1410
1411         path = gtk_tree_model_get_path(model, &iter);
1412
1413         if (mimeview->opened && !gtk_tree_path_compare(mimeview->opened, path)) {
1414                 gtk_tree_path_free(path);
1415                 return;
1416         }
1417
1418         gtk_tree_path_free(mimeview->opened);
1419         mimeview->opened = path;
1420         mimeview->spec_part = NULL;
1421         gtk_tree_view_scroll_to_cell(ctree, path, NULL, TRUE, 0.5, 0);
1422
1423         partinfo = mimeview_get_node_part(mimeview, path);
1424         if (!partinfo) return;
1425
1426         /* ungrab the mouse event */
1427         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
1428                 gtk_grab_remove(GTK_WIDGET(ctree));
1429                 if (gdk_pointer_is_grabbed())
1430                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1431         }
1432
1433         mimeview->textview->default_text = FALSE;
1434
1435         update_signature_info(mimeview, partinfo);
1436
1437         if (!mimeview_show_part(mimeview, partinfo)) {
1438                 switch (partinfo->type) {
1439                 case MIMETYPE_TEXT:
1440                 case MIMETYPE_MESSAGE:
1441                 case MIMETYPE_MULTIPART:
1442                         mimeview_show_message_part(mimeview, partinfo);
1443
1444                         break;
1445                 default:
1446                         mimeview->textview->default_text = TRUE;
1447                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1448                         textview_clear(mimeview->textview);
1449                         textview_show_mime_part(mimeview->textview, partinfo);
1450                         break;
1451                 }
1452         }
1453
1454         if (mimeview->siginfo && privacy_auto_check_signatures(mimeview->siginfo)
1455         &&  privacy_mimeinfo_get_sig_status(mimeview->siginfo) == SIGNATURE_UNCHECKED) {
1456                 mimeview_check_signature(mimeview);
1457         }
1458 }
1459
1460 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1461                                     MimeView *mimeview)
1462 {
1463         GtkTreeSelection *selection;
1464         GtkTreeIter iter;
1465
1466         if (!event) return FALSE;
1467
1468         if (event->button == 2 || event->button == 3) {
1469                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
1470                 if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
1471                         return FALSE;
1472
1473                 gtk_tree_selection_select_iter(selection, &iter);
1474         }
1475         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1476
1477         return FALSE;
1478 }
1479
1480 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1481                                     MimeView *mimeview)
1482 {
1483         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1484         if (event->direction == GDK_SCROLL_UP) {
1485                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1486         } else {
1487                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1488         }
1489         gtk_vscrollbutton_scroll(scrollbutton);
1490         return TRUE;
1491 }
1492
1493 /* from gdkevents.c */
1494 #define DOUBLE_CLICK_TIME 250
1495
1496 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1497                                     MimeInfo *partinfo)
1498 {
1499         static MimeInfo *lastinfo;
1500         static guint32 lasttime;
1501
1502         if (event->button == 2 ||
1503             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1504                 /* call external program for image, audio or html */
1505                 mimeview_launch(mimeview, partinfo);
1506                 return TRUE;
1507         } else if (event->button == 3) {
1508                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1509                                  partinfo->type == MIMETYPE_IMAGE ||
1510                                  partinfo->type == MIMETYPE_MULTIPART))
1511                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", FALSE);
1512                 else
1513                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", TRUE);
1514 #ifndef G_OS_WIN32
1515                 if (partinfo &&
1516                     partinfo->type == MIMETYPE_APPLICATION &&
1517                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1518                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", FALSE);
1519                 else
1520 #endif
1521                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", TRUE);
1522
1523                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1524                                   "pop_partinfo", partinfo);
1525
1526                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1527                                NULL, NULL, NULL, NULL,
1528                                event->button, event->time);
1529                 return TRUE;
1530         }
1531
1532         lastinfo = partinfo;
1533         lasttime = event->time;
1534         return FALSE;
1535 }
1536
1537
1538 gboolean mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1539 {
1540         return mimeview_key_pressed(mimeview->ctree, event, mimeview);
1541 }
1542
1543 void mimeview_select_next_part(MimeView *mimeview)
1544 {
1545         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1546         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1547         GtkTreeSelection *selection;
1548         GtkTreeIter iter;
1549         GtkTreePath *path;
1550         MimeInfo *partinfo = NULL;
1551         gboolean has_next;
1552
1553         if (!mimeview->opened) return;
1554
1555         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1556         path = gtk_tree_model_get_path(model, &iter);
1557 skip:
1558         has_next = mimeview_tree_next(model, path);
1559         if (!has_next) {
1560                 has_next = gtk_tree_model_get_iter_first(model, &iter);
1561                 gtk_tree_path_free(path);
1562                 path = gtk_tree_model_get_path(model, &iter);
1563         }
1564
1565         if (has_next) {
1566                 partinfo = mimeview_get_node_part(mimeview, path);
1567                 if (partinfo->type == MIMETYPE_MULTIPART ||
1568                     (!prefs_common.show_inline_attachments && partinfo->id))
1569                         goto skip;
1570                 selection = gtk_tree_view_get_selection(ctree);
1571                 gtk_tree_selection_select_path(selection, path);
1572                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1573         }
1574
1575         gtk_tree_path_free(path);
1576 }
1577
1578 void mimeview_select_prev_part(MimeView *mimeview)
1579 {
1580         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1581         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1582         GtkTreeSelection *selection;
1583         GtkTreeIter iter;
1584         GtkTreePath *path;
1585         MimeInfo *partinfo = NULL;
1586         gboolean has_prev;
1587
1588         if (!mimeview->opened) return;
1589
1590         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1591         path = gtk_tree_model_get_path(model, &iter);
1592 skip:
1593         has_prev = mimeview_tree_prev(mimeview, path);
1594         if (!has_prev) {
1595                 while (mimeview_tree_next(model, path)) {}
1596                 has_prev = TRUE;
1597         }
1598
1599         if (has_prev) {
1600                 partinfo = mimeview_get_node_part(mimeview, path);
1601                 if (partinfo->type == MIMETYPE_MULTIPART ||
1602                     (!prefs_common.show_inline_attachments && partinfo->id))
1603                         goto skip;
1604                 selection = gtk_tree_view_get_selection(ctree);
1605                 gtk_tree_selection_select_path(selection, path);
1606                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1607         }
1608
1609         gtk_tree_path_free(path);
1610 }
1611
1612 #define BREAK_ON_MODIFIER_KEY() \
1613         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1614
1615 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1616                                  MimeView *mimeview)
1617 {
1618         SummaryView *summaryview;
1619
1620         if (!event) return FALSE;
1621         if (!mimeview->opened) return FALSE;
1622
1623         summaryview = mimeview->messageview->mainwin->summaryview;
1624
1625         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1626                 return FALSE;
1627
1628         switch (event->keyval) {
1629         case GDK_KEY_Home:
1630         case GDK_KEY_End:
1631                 textview_scroll_max(mimeview->textview,
1632                                     (event->keyval == GDK_KEY_Home));
1633                 return TRUE;
1634         case GDK_KEY_Page_Down:
1635         case GDK_KEY_space:
1636                 if (mimeview_scroll_page(mimeview,
1637                                          (event->state & GDK_SHIFT_MASK) != 0))
1638                         return TRUE;
1639
1640                 if (!(event->state & GDK_SHIFT_MASK))
1641                         mimeview_select_next_part(mimeview);
1642                 return TRUE;
1643         case GDK_KEY_Page_Up:
1644         case GDK_KEY_BackSpace:
1645                 mimeview_scroll_page(mimeview, TRUE);
1646                 return TRUE;
1647         case GDK_KEY_Return:
1648         case GDK_KEY_KP_Enter:
1649                 mimeview_scroll_one_line(mimeview,
1650                                          (event->state & GDK_MOD1_MASK) != 0);
1651                 return TRUE;
1652         case GDK_KEY_Up:
1653         case GDK_KEY_Down:
1654                 mimeview_scroll_one_line(mimeview, (event->keyval == GDK_KEY_Up));
1655                 return TRUE;
1656         default:
1657                 break;
1658         }
1659
1660         if (mimeview->messageview->new_window) return FALSE;
1661
1662         return summary_pass_key_press_event(summaryview, event);
1663 }
1664
1665 static void mimeview_drag_data_get(GtkWidget        *widget,
1666                                    GdkDragContext   *drag_context,
1667                                    GtkSelectionData *selection_data,
1668                                    guint             info,
1669                                    guint             time,
1670                                    MimeView         *mimeview)
1671 {
1672         gchar *filename = NULL, *uriname, *tmp;
1673         MimeInfo *partinfo;
1674         gint err;
1675         gint count = 0;
1676
1677         if (!mimeview->opened) return;
1678         if (!mimeview->file) return;
1679
1680         partinfo = mimeview_get_selected_part(mimeview);
1681         if (!partinfo) return;
1682
1683         if (strlen(get_part_name(partinfo)) > 0) {
1684                 filename = g_path_get_basename(get_part_name(partinfo));
1685                 if (*filename == '\0') return;
1686         } else if (partinfo->type == MIMETYPE_MESSAGE
1687                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1688                 gchar *name = NULL;
1689                 GPtrArray *headers = NULL;
1690                 FILE *fp;
1691
1692                 fp = g_fopen(partinfo->data.filename, "rb");
1693                 if (fp != NULL && fseek(fp, partinfo->offset, SEEK_SET) == 0) {
1694                         headers = procheader_get_header_array_asis(fp);
1695                         if (headers) {
1696                                 gint i;
1697                                 for (i = 0; i < headers->len; i++) {
1698                                         Header *header = g_ptr_array_index(headers, i);
1699                                         if (procheader_headername_equal(header->name, "Subject")) {
1700                                                 unfold_line(header->body);
1701                                                 name = g_strconcat(header->body, ".txt", NULL);
1702                                                 subst_for_filename(name);
1703                                         }
1704                                 }
1705                                 procheader_header_array_destroy(headers);
1706                         }
1707                 }
1708                 if (fp != NULL)
1709                         fclose(fp);
1710                 if (name)
1711                         filename = g_path_get_basename(name);
1712                 g_free(name);
1713         }
1714         if (filename == NULL)
1715                 filename = g_path_get_basename("Unnamed part");
1716
1717         if (!g_utf8_validate(filename, -1, NULL))
1718                 tmp = conv_codeset_strdup(filename,
1719                                 conv_get_locale_charset_str(),
1720                                 CS_UTF_8);
1721         else
1722                 tmp = g_strdup(filename);
1723
1724         if (tmp == NULL) {
1725                 g_warning("filename not in UTF-8");
1726                 tmp = g_strdup("Unnamed part");
1727         }
1728         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1729                                tmp, NULL);
1730
1731 check_new_file:
1732         if (is_file_exist(filename)) {
1733                 gchar *ext = NULL;
1734                 gchar *prefix = NULL;
1735                 gchar *new_name = NULL;
1736                 if (strrchr(tmp, '.')) {
1737                         prefix = g_strdup(tmp);
1738                         ext = g_strdup(strrchr(tmp, '.'));
1739                         *(strrchr(prefix, '.')) = '\0';
1740                 } else {
1741                         prefix = g_strdup(tmp);
1742                         ext = g_strdup("");
1743                 }
1744                 count++;
1745                 new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1746                 g_free(prefix);
1747                 g_free(ext);
1748                 g_free(filename);
1749                 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1750                                new_name, NULL);
1751                 g_free(new_name);
1752                 goto check_new_file;
1753         }
1754
1755         g_free(tmp);
1756
1757         if ((err = procmime_get_part(filename, partinfo)) < 0)
1758                 alertpanel_error
1759                         (_("Couldn't save the part of multipart message: %s"),
1760                                 g_strerror(-err));
1761
1762         tmp = g_filename_to_uri(filename, NULL, NULL);
1763         uriname = g_strconcat(tmp, "\r\n", NULL);
1764         g_free(tmp);
1765
1766         gtk_selection_data_set(selection_data,
1767                    gtk_selection_data_get_target(selection_data), 8,
1768                                (guchar *)uriname, strlen(uriname));
1769
1770         g_free(uriname);
1771         g_free(filename);
1772 }
1773
1774 /**
1775  * Returns a filename (with path) for an attachment
1776  * \param partinfo The attachment to save
1777  * \param basedir The target directory
1778  * \param number Used for dummy filename if attachment is unnamed
1779  */
1780 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1781                                       const gchar *basedir,
1782                                       gint number)
1783 {
1784         gchar *fullname;
1785         gchar *filename;
1786
1787         filename = g_strdup(get_part_name(partinfo));
1788         if (!filename || !*filename) {
1789                 g_free(filename);
1790                 filename = g_strdup_printf("noname.%d", number);
1791         }
1792
1793         if (!g_utf8_validate(filename, -1, NULL)) {
1794                 gchar *tmp = conv_filename_to_utf8(filename);
1795                 g_free(filename);
1796                 filename = tmp;
1797         }
1798
1799         subst_for_filename(filename);
1800
1801         fullname = g_strconcat
1802                 (basedir, G_DIR_SEPARATOR_S, (g_path_is_absolute(filename))
1803                  ? &filename[1] : filename, NULL);
1804
1805         g_free(filename);
1806         filename = conv_filename_from_utf8(fullname);
1807         g_free(fullname);
1808         return filename;
1809 }
1810
1811 /**
1812  * Write a single attachment to file
1813  * \param filename Filename with path
1814  * \param partinfo Attachment to save
1815  */
1816 static gboolean mimeview_write_part(const gchar *filename,
1817                                     MimeInfo *partinfo,
1818                                     gboolean handle_error)
1819 {
1820         gchar *dir;
1821         gint err;
1822
1823         dir= g_path_get_dirname(filename);
1824         if (!is_dir_exist(dir))
1825                 make_dir_hier(dir);
1826         g_free(dir);
1827
1828         if (is_file_exist(filename)) {
1829                 AlertValue aval;
1830                 gchar *res;
1831                 gchar *tmp;
1832
1833                 if (!g_utf8_validate(filename, -1, NULL))
1834                         tmp = conv_filename_to_utf8(filename);
1835                 else
1836                         tmp = g_strdup(filename);
1837
1838                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1839                                       tmp);
1840                 g_free(tmp);
1841                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1842                                   GTK_STOCK_OK, NULL);
1843                 g_free(res);
1844                 if (G_ALERTALTERNATE != aval) return FALSE;
1845         }
1846
1847         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1848                 debug_print("error saving MIME part: %d\n", err);
1849                 if (handle_error)
1850                         alertpanel_error
1851                                 (_("Couldn't save the part of multipart message: %s"),
1852                                  g_strerror(-err));
1853                 return FALSE;
1854         }
1855
1856         return TRUE;
1857 }
1858
1859 static AlertValue mimeview_save_all_error_ask(gint n)
1860 {
1861         gchar *message = g_strdup_printf(
1862                 _("An error has occurred while saving message part #%d. "
1863                 "Do you want to cancel operation or skip error and "
1864                 "continue?"), n);
1865         AlertValue av = alertpanel_full(_("Error saving all message parts"),
1866                 message, GTK_STOCK_CANCEL, _("Skip"), _("Skip all"),
1867                 FALSE, NULL, ALERT_WARNING, G_ALERTDEFAULT);
1868         g_free(message);
1869         return av;
1870 }
1871
1872 static void mimeview_save_all_info(gint errors, gint total)
1873 {
1874         if (!errors) {
1875                 gchar *msg = g_strdup_printf(
1876                                 ngettext("%d file saved successfully.",
1877                                         "%d files saved successfully.",
1878                                         total),
1879                                 total);
1880                 alertpanel_notice("%s", msg);
1881                 g_free(msg);
1882         } else {
1883                 gchar *msg1 = g_strdup_printf(
1884                                 ngettext("%d file saved successfully",
1885                                         "%d files saved successfully",
1886                                         total - errors),
1887                                 total - errors);
1888                 gchar *msg2 = g_strdup_printf(
1889                                 ngettext("%s, %d file failed.",
1890                                         "%s, %d files failed.",
1891                                         errors),
1892                                 msg1, errors);
1893                 alertpanel_warning("%s", msg2);
1894                 g_free(msg2);
1895                 g_free(msg1);
1896         }
1897 }
1898
1899 /**
1900  * Menu callback: Save all attached files
1901  * \param mimeview Current display
1902  */
1903 static void mimeview_save_all(MimeView *mimeview)
1904 {
1905         MimeInfo *partinfo;
1906         gchar *dirname;
1907         gchar *startdir = NULL;
1908         gint number = 1, errors = 0;
1909         gboolean skip_errors = FALSE;
1910
1911         if (!mimeview->opened) return;
1912         if (!mimeview->file) return;
1913         if (!mimeview->mimeinfo) return;
1914
1915         partinfo = mimeview->mimeinfo;
1916         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1917                 startdir = g_strconcat(prefs_common.attach_save_dir, G_DIR_SEPARATOR_S, NULL);
1918         else
1919                 startdir = g_strdup(get_home_dir());
1920
1921         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
1922         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1923         if (!dirname) {
1924                 g_free(startdir);
1925                 return;
1926         }
1927
1928         if (!is_dir_exist (dirname)) {
1929                 alertpanel_error(_("'%s' is not a directory."), dirname);
1930                 g_free(startdir);
1931                 g_free(dirname);
1932                 return;
1933         }
1934
1935         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1936                 dirname[strlen(dirname)-1] = '\0';
1937
1938         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1939         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1940                 partinfo = procmime_mimeinfo_next(partinfo);
1941         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1942                 partinfo = procmime_mimeinfo_next(partinfo);
1943                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1944                         partinfo = procmime_mimeinfo_next(partinfo);
1945         }
1946
1947         while (partinfo != NULL) {
1948                 if (partinfo->type != MIMETYPE_MESSAGE &&
1949                     partinfo->type != MIMETYPE_MULTIPART &&
1950                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1951                      || get_real_part_name(partinfo) != NULL)) {
1952                         gchar *filename = mimeview_get_filename_for_part(
1953                                 partinfo, dirname, number++);
1954
1955                         gboolean ok = mimeview_write_part(filename, partinfo, FALSE);
1956                         g_free(filename);
1957                         if (!ok) {
1958                                 ++errors;
1959                                 if (!skip_errors) {
1960                                         AlertValue av = mimeview_save_all_error_ask(number - 1);
1961                                         skip_errors = (av == G_ALERTOTHER);
1962                                         if (av == G_ALERTDEFAULT) /* cancel */
1963                                                 break;
1964                                 }
1965                         }
1966                 }
1967                 partinfo = procmime_mimeinfo_next(partinfo);
1968         }
1969
1970         g_free(prefs_common.attach_save_dir);
1971         g_free(startdir);
1972         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
1973                                         -1, NULL, NULL, NULL);
1974         g_free(dirname);
1975
1976         mimeview_save_all_info(errors, number - 1);
1977 }
1978
1979 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1980 {
1981         MimeInfo *partinfo = NULL;
1982         if (mimeview->spec_part) {
1983                 partinfo = mimeview->spec_part;
1984                 mimeview->spec_part = NULL;
1985         } else {
1986                 partinfo = (MimeInfo *) g_object_get_data
1987                          (G_OBJECT(mimeview->popupmenu),
1988                          "pop_partinfo");
1989                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1990                                   "pop_partinfo", NULL);
1991                 if (!partinfo) {
1992                         partinfo = mimeview_get_selected_part(mimeview);
1993                 }
1994         }
1995
1996         return partinfo;
1997 }
1998 /**
1999  * Menu callback: Save the selected attachment
2000  * \param mimeview Current display
2001  */
2002 void mimeview_save_as(MimeView *mimeview)
2003 {
2004         gchar *filename;
2005         gchar *filepath = NULL;
2006         gchar *filedir = NULL;
2007         MimeInfo *partinfo;
2008         gchar *partname = NULL;
2009
2010         if (!mimeview->opened) return;
2011         if (!mimeview->file) return;
2012
2013         partinfo = mimeview_get_part_to_use(mimeview);
2014
2015         cm_return_if_fail(partinfo != NULL);
2016
2017         if (get_part_name(partinfo) == NULL) {
2018                 return;
2019         }
2020         partname = g_strdup(get_part_name(partinfo));
2021
2022         if (!g_utf8_validate(partname, -1, NULL)) {
2023                 gchar *tmp = conv_filename_to_utf8(partname);
2024                 if (!tmp) {
2025                         tmp = conv_codeset_strdup(partname,
2026                                 conv_get_locale_charset_str(),
2027                                 CS_UTF_8);
2028                 }
2029                 if (tmp) {
2030                         g_free(partname);
2031                         partname = tmp;
2032                 }
2033         }
2034
2035         subst_for_filename(partname);
2036
2037         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
2038                 filepath = g_strconcat(prefs_common.attach_save_dir,
2039                                        G_DIR_SEPARATOR_S, partname, NULL);
2040         else
2041                 filepath = g_strdup(partname);
2042
2043         g_free(partname);
2044
2045         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
2046         filename = filesel_select_file_save(_("Save as"), filepath);
2047         if (!filename) {
2048                 g_free(filepath);
2049                 return;
2050         }
2051
2052         mimeview_write_part(filename, partinfo, TRUE);
2053
2054         filedir = g_path_get_dirname(filename);
2055         if (filedir && strcmp(filedir, ".")) {
2056                 g_free(prefs_common.attach_save_dir);
2057                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
2058         }
2059
2060         g_free(filedir);
2061         g_free(filepath);
2062 }
2063
2064 void mimeview_display_as_text(MimeView *mimeview)
2065 {
2066         MimeInfo *partinfo;
2067
2068         if (!mimeview->opened) return;
2069
2070         partinfo = mimeview_get_part_to_use(mimeview);
2071         mimeview_select_mimepart_icon(mimeview, partinfo);
2072         cm_return_if_fail(partinfo != NULL);
2073         mimeview_show_message_part(mimeview, partinfo);
2074 }
2075
2076 void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
2077 {
2078         gchar *filename;
2079         gint err;
2080
2081         if (!mimeview->opened) return;
2082         if (!mimeview->file) return;
2083
2084         if (!partinfo)
2085                 partinfo = mimeview_get_part_to_use(mimeview);
2086
2087         cm_return_if_fail(partinfo != NULL);
2088
2089         filename = procmime_get_tmp_file_name(partinfo);
2090
2091         if ((err = procmime_get_part(filename, partinfo)) < 0)
2092                 alertpanel_error
2093                         (_("Couldn't save the part of multipart message: %s"),
2094                                 g_strerror(-err));
2095         else
2096                 mimeview_view_file(filename, partinfo, NULL, mimeview);
2097
2098         g_free(filename);
2099 }
2100
2101 #ifndef G_OS_WIN32
2102 void mimeview_open_with(MimeView *mimeview)
2103 {
2104         MimeInfo *partinfo;
2105
2106         if (!mimeview) return;
2107         if (!mimeview->opened) return;
2108         if (!mimeview->file) return;
2109
2110         partinfo = mimeview_get_part_to_use(mimeview);
2111
2112         mimeview_open_part_with(mimeview, partinfo, FALSE);
2113 }
2114
2115 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
2116 {
2117         gchar *filename;
2118         gchar *cmd;
2119         gchar *mime_command = NULL;
2120         gchar *content_type = NULL;
2121         gint err;
2122
2123         cm_return_if_fail(partinfo != NULL);
2124
2125         filename = procmime_get_tmp_file_name(partinfo);
2126
2127         if ((err = procmime_get_part(filename, partinfo)) < 0) {
2128                 alertpanel_error
2129                         (_("Couldn't save the part of multipart message: %s"),
2130                                 g_strerror(-err));
2131                 g_free(filename);
2132                 return;
2133         }
2134
2135         if (!prefs_common.mime_open_cmd_history)
2136                 prefs_common.mime_open_cmd_history =
2137                         add_history(NULL, prefs_common.mime_open_cmd);
2138
2139         if ((partinfo->type == MIMETYPE_APPLICATION) &&
2140             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
2141                 /* guess content-type from filename */
2142                 content_type = procmime_get_mime_type(filename);
2143         }
2144         if (content_type == NULL) {
2145                 content_type = procmime_get_content_type_str(partinfo->type,
2146                         partinfo->subtype);
2147         }
2148
2149         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
2150         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
2151                 mime_command = g_strdup(prefs_common_get_uri_cmd());
2152                 g_free(content_type);
2153                 content_type = NULL;
2154         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
2155         ||  !prefs_common_get_ext_editor_cmd()[0]) {
2156                 mime_command = mailcap_get_command_for_type(content_type, filename);
2157         } else {
2158                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
2159                 g_free(content_type);
2160                 content_type = NULL;
2161         }
2162         if (mime_command == NULL) {
2163                 /* try with extension this time */
2164                 g_free(content_type);
2165                 content_type = procmime_get_mime_type(filename);
2166                 mime_command = mailcap_get_command_for_type(content_type, filename);
2167         }
2168
2169         if (mime_command == NULL)
2170                 automatic = FALSE;
2171
2172         if (!automatic) {
2173                 gboolean remember = FALSE;
2174                 if (content_type != NULL)
2175                         cmd = input_dialog_combo_remember
2176                                 (_("Open with"),
2177                                  _("Enter the command-line to open file:\n"
2178                                    "('%s' will be replaced with file name)"),
2179                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2180                                  prefs_common.mime_open_cmd_history, &remember);
2181                 else
2182                         cmd = input_dialog_combo
2183                                 (_("Open with"),
2184                                  _("Enter the command-line to open file:\n"
2185                                    "('%s' will be replaced with file name)"),
2186                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2187                                  prefs_common.mime_open_cmd_history);
2188                 if (cmd && remember) {
2189                         mailcap_update_default(content_type, cmd);
2190                 }
2191                 g_free(mime_command);
2192         } else {
2193                 cmd = mime_command;
2194         }
2195         if (cmd) {
2196                 mimeview_view_file(filename, partinfo, cmd, mimeview);
2197                 g_free(prefs_common.mime_open_cmd);
2198                 prefs_common.mime_open_cmd = cmd;
2199                 prefs_common.mime_open_cmd_history =
2200                         add_history(prefs_common.mime_open_cmd_history, cmd);
2201         }
2202
2203         g_free(content_type);
2204         g_free(filename);
2205 }
2206 #endif
2207
2208 static void mimeview_send_to(MimeView *mimeview, MimeInfo *partinfo)
2209 {
2210         GList *attach_file = NULL;
2211         AttachInfo *ainfo = NULL;
2212         gchar *filename;
2213         gint err;
2214
2215         if (!mimeview->opened) return;
2216         if (!mimeview->file) return;
2217
2218         cm_return_if_fail(partinfo != NULL);
2219
2220         filename = procmime_get_tmp_file_name(partinfo);
2221
2222         if (!(err = procmime_get_part(filename, partinfo))) {
2223                 ainfo = g_new0(AttachInfo, 1);
2224                 ainfo->file = filename;
2225                 ainfo->name = g_strdup(get_part_name(partinfo));
2226                 ainfo->content_type = procmime_get_content_type_str(
2227                                         partinfo->type, partinfo->subtype);
2228                 ainfo->charset = g_strdup(procmime_mimeinfo_get_parameter(
2229                                         partinfo, "charset"));
2230                 attach_file = g_list_append(attach_file, ainfo);
2231
2232                 compose_new(NULL, NULL, attach_file);
2233
2234                 g_free(ainfo->name);
2235                 g_free(ainfo->content_type);
2236                 g_free(ainfo->charset);
2237                 g_free(ainfo);
2238                 g_list_free(attach_file);
2239         } else
2240                 alertpanel_error
2241                         (_("Couldn't save the part of multipart message: %s"),
2242                                 g_strerror(-err));
2243         g_free(filename);
2244 }
2245
2246 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
2247                                const gchar *cmd, MimeView *mimeview)
2248 {
2249 #ifndef G_OS_WIN32
2250         gchar *p;
2251         gchar buf[BUFFSIZE];
2252
2253         if (cmd == NULL)
2254                 mimeview_open_part_with(mimeview, partinfo, TRUE);
2255         else {
2256                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2257                     !strchr(p + 2, '%')) {
2258                         g_snprintf(buf, sizeof(buf), cmd, filename);
2259                         if (!prefs_common.save_parts_readwrite)
2260                                 g_chmod(filename, S_IRUSR);
2261                         else
2262                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2263                 } else {
2264                         g_warning("MIME viewer command-line is invalid: '%s'", cmd);
2265                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2266                 }
2267                 if (execute_command_line(buf, TRUE, NULL) != 0) {
2268                         if (!prefs_common.save_parts_readwrite)
2269                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2270                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2271                 }
2272         }
2273 #else
2274         SHFILEINFO file_info;
2275         GError *error = NULL;
2276         gunichar2 *fn16 = g_utf8_to_utf16(filename, -1, NULL, NULL, &error);
2277
2278         if (error != NULL) {
2279                 alertpanel_error(_("Could not convert attachment name to UTF-16:\n\n%s"),
2280                                         error->message);
2281                 debug_print("filename '%s' conversion to UTF-16 failed\n", filename);
2282                 g_error_free(error);
2283                 return;
2284         }
2285
2286         if ((SHGetFileInfo((LPCWSTR)fn16, 0, &file_info, sizeof(SHFILEINFO), SHGFI_EXETYPE)) != 0) {
2287                 AlertValue val = alertpanel_full(_("Execute untrusted binary?"),
2288                                       _("This attachment is an executable file. Executing "
2289                                         "untrusted binaries is dangerous and could probably "
2290                                         "lead to compromission of your computer.\n\n"
2291                                         "Do you want to run this file?"), GTK_STOCK_CANCEL,
2292                                         _("Run binary"),
2293                                       NULL, FALSE, NULL, ALERT_WARNING, G_ALERTDEFAULT);
2294                 if (val == G_ALERTALTERNATE) {
2295                         debug_print("executing binary\n");
2296                         ShellExecute(NULL, L"open", (LPCWSTR)fn16, NULL, NULL, SW_SHOW);
2297                 }
2298         } else {
2299                 ShellExecute(NULL, L"open", (LPCWSTR)fn16, NULL, NULL, SW_SHOW);
2300         }
2301
2302         g_free(fn16);
2303
2304 #endif
2305 }
2306
2307 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
2308 {
2309         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
2310 }
2311
2312 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
2313 {
2314         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
2315 }
2316
2317 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
2318 {
2319         GSList *mimeview_list, *viewer_list;
2320
2321         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
2322                 MimeView *mimeview = (MimeView *) mimeview_list->data;
2323
2324                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
2325                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
2326                         mimeview->mimeviewer = NULL;
2327                 }
2328
2329                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
2330                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
2331
2332                         mimeviewer->destroy_viewer(mimeviewer);
2333                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
2334                 }
2335         }
2336
2337         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
2338 }
2339
2340 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
2341 {
2342         gint      num;
2343         MimeInfo *partinfo;
2344
2345         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2346         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2347
2348         if (event->button == 1) {
2349                 icon_selected(mimeview, num, partinfo);
2350                 gtk_widget_grab_focus(button);
2351                 icon_list_toggle_by_mime_info(mimeview, partinfo);
2352         }
2353         part_button_pressed(mimeview, event, partinfo);
2354
2355         return FALSE;
2356 }
2357
2358 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2359 {
2360         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
2361         GtkTreeIter iter;
2362         GtkTreePath *path;
2363         MimeInfo *curr = NULL;
2364
2365         gtk_tree_model_get_iter_first(model, &iter);
2366         path = gtk_tree_model_get_path(model, &iter);
2367
2368         do {
2369                 gtk_tree_model_get_iter(model, &iter, path);
2370                 gtk_tree_model_get(model, &iter, COL_DATA, &curr, -1);
2371                 if (curr == partinfo) {
2372                         GtkTreeSelection *sel = gtk_tree_view_get_selection(
2373                                                 GTK_TREE_VIEW(mimeview->ctree));
2374                         gtk_tree_selection_select_iter(sel, &iter);
2375                         gtk_tree_path_free(path);
2376                         return;
2377                 }
2378         } while (mimeview_tree_next(model, path));
2379
2380         gtk_tree_path_free(path);
2381 }
2382
2383 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2384 {
2385         icon_list_toggle_by_mime_info(mimeview, partinfo);
2386         icon_selected(mimeview, -1, partinfo);
2387 }
2388
2389 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2390                              MimeView *mimeview)
2391 {
2392         SummaryView  *summaryview;
2393
2394         if (!event) return FALSE;
2395
2396         switch (event->keyval) {
2397         case GDK_KEY_space:
2398                 if (mimeview_scroll_page(mimeview, FALSE))
2399                         return TRUE;
2400
2401                 mimeview_select_next_part(mimeview);
2402                 return TRUE;
2403
2404                 break;
2405         case GDK_KEY_BackSpace:
2406                 mimeview_scroll_page(mimeview, TRUE);
2407                 return TRUE;
2408         case GDK_KEY_Return:
2409         case GDK_KEY_KP_Enter:
2410                 mimeview_scroll_one_line(mimeview,
2411                                          (event->state & GDK_MOD1_MASK) != 0);
2412                 return TRUE;
2413         case GDK_KEY_y:
2414                 BREAK_ON_MODIFIER_KEY();
2415                 mimeview_save_as(mimeview);
2416                 return TRUE;
2417         case GDK_KEY_t:
2418                 BREAK_ON_MODIFIER_KEY();
2419                 mimeview_display_as_text(mimeview);
2420                 return TRUE;
2421         case GDK_KEY_l:
2422                 BREAK_ON_MODIFIER_KEY();
2423                 mimeview_launch(mimeview, NULL);
2424                 return TRUE;
2425 #ifndef G_OS_WIN32
2426         case GDK_KEY_o:
2427                 BREAK_ON_MODIFIER_KEY();
2428                 mimeview_open_with(mimeview);
2429                 return TRUE;
2430 #endif
2431         case GDK_KEY_c:
2432                 BREAK_ON_MODIFIER_KEY();
2433                 mimeview_check_signature(mimeview);
2434                 return TRUE;
2435         case GDK_KEY_a:
2436                 BREAK_ON_MODIFIER_KEY();
2437                 mimeview_select_next_part(mimeview);
2438                 return TRUE;
2439         default:
2440                 break;
2441         }
2442
2443         if (!mimeview->messageview->mainwin) return FALSE;
2444         summaryview = mimeview->messageview->mainwin->summaryview;
2445         return summary_pass_key_press_event(summaryview, event);
2446 }
2447
2448 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2449 {
2450         MimeView *mimeview = (MimeView *)data;
2451         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2452
2453         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2454                           "pop_partinfo", partinfo);
2455         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2456                        NULL, NULL, NULL, NULL,
2457                        0, gtk_get_current_event_time());
2458         return TRUE;
2459 }
2460
2461 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2462 {
2463         GtkWidget *pixmap = NULL;
2464         GtkWidget *vbox;
2465         GtkWidget *button;
2466         gchar *tip;
2467         gchar *tiptmp;
2468         const gchar *desc = NULL;
2469         gchar *sigshort = NULL;
2470         gchar *content_type;
2471         StockPixmap stockp;
2472         MimeInfo *partinfo;
2473         MimeInfo *siginfo = NULL;
2474         MimeInfo *encrypted = NULL;
2475 #ifdef GENERIC_UMPC
2476         GtkRequisition r;
2477 #endif
2478
2479         if (!prefs_common.show_inline_attachments && mimeinfo->id)
2480                 return;
2481
2482         vbox = mimeview->icon_vbox;
2483         mimeview->icon_count++;
2484         button = gtk_event_box_new();
2485
2486         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2487                          G_CALLBACK(mimeview_visi_notify), mimeview);
2488         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2489                          G_CALLBACK(mimeview_leave_notify), mimeview);
2490         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2491                          G_CALLBACK(mimeview_enter_notify), mimeview);
2492
2493         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2494         g_object_set_data(G_OBJECT(button), "icon_number",
2495                           GINT_TO_POINTER(mimeview->icon_count));
2496         g_object_set_data(G_OBJECT(button), "partinfo",
2497                           mimeinfo);
2498
2499         switch (mimeinfo->type) {
2500
2501         case MIMETYPE_TEXT:
2502                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2503                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2504                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2505                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2506                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2507                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2508                 else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2509                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2510                         stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2511                 else
2512                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2513                 break;
2514         case MIMETYPE_MESSAGE:
2515                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2516                 break;
2517         case MIMETYPE_APPLICATION:
2518                 if (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature")
2519                     || !g_ascii_strcasecmp(mimeinfo->subtype, "x-pkcs7-signature")
2520                     || !g_ascii_strcasecmp(mimeinfo->subtype, "pkcs7-signature")))
2521                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2522                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2523                         stockp = STOCK_PIXMAP_MIME_PDF;
2524                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2525                         stockp = STOCK_PIXMAP_MIME_PS;
2526                 else
2527                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2528                 break;
2529         case MIMETYPE_IMAGE:
2530                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2531                 break;
2532         case MIMETYPE_AUDIO:
2533                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2534                 break;
2535         default:
2536                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2537                 break;
2538         }
2539
2540         partinfo = mimeinfo;
2541         while (partinfo != NULL) {
2542                 if (privacy_mimeinfo_is_signed(partinfo)) {
2543                         siginfo = partinfo;
2544                         break;
2545                 }
2546                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2547                         encrypted = partinfo;
2548                         break;
2549                 }
2550                 partinfo = procmime_mimeinfo_parent(partinfo);
2551         }
2552
2553         if (siginfo != NULL) {
2554                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2555                 case SIGNATURE_UNCHECKED:
2556                 case SIGNATURE_CHECK_FAILED:
2557                 case SIGNATURE_CHECK_TIMEOUT:
2558                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2559                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2560                         break;
2561                 case SIGNATURE_OK:
2562                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2563                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2564                         break;
2565                 case SIGNATURE_WARN:
2566                 case SIGNATURE_KEY_EXPIRED:
2567                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2568                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2569                         break;
2570                 case SIGNATURE_INVALID:
2571                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2572                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2573                         break;
2574                 }
2575                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2576         } else if (encrypted != NULL) {
2577                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2578                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2579         } else {
2580                 pixmap = stock_pixmap_widget_with_overlay(stockp, 0,
2581                                                           OVERLAY_NONE, 6, 3);
2582         }
2583         gtk_container_add(GTK_CONTAINER(button), pixmap);
2584         if (!desc) {
2585                 if (prefs_common.attach_desc)
2586                         desc = get_part_description(mimeinfo);
2587                 else
2588                         desc = get_part_name(mimeinfo);
2589         }
2590
2591         content_type = procmime_get_content_type_str(mimeinfo->type,
2592                                                      mimeinfo->subtype);
2593
2594         tip = g_strconcat("<b>", _("Type:"), "  </b>", content_type,
2595                           "\n<b>", _("Size:"), " </b>",
2596                           to_human_readable((goffset)mimeinfo->length), NULL);
2597         g_free(content_type);
2598         if (desc && *desc) {
2599                 gchar *tmp = NULL, *escaped = NULL;
2600                 if (!g_utf8_validate(desc, -1, NULL)) {
2601                         tmp = conv_filename_to_utf8(desc);
2602                 } else {
2603                         tmp = g_strdup(desc);
2604                 }
2605                 escaped = g_markup_escape_text(tmp,-1);
2606
2607                 tiptmp = g_strconcat(tip, "\n<b>",
2608                                 prefs_common.attach_desc && mimeinfo->description ?
2609                                 _("Description:") : _("Filename:"),
2610                                 " </b>", escaped, NULL);
2611                 g_free(tip);
2612                 tip = tiptmp;
2613                 g_free(tmp);
2614                 g_free(escaped);
2615         }
2616         if (sigshort && *sigshort) {
2617                 tiptmp = g_strjoin("\n", tip, g_markup_escape_text(sigshort, -1), NULL);
2618                 g_free(tip);
2619                 tip = tiptmp;
2620         }
2621         g_free(sigshort);
2622
2623         gtk_widget_set_tooltip_markup(button, tip);
2624         g_free(tip);
2625         gtk_widget_show_all(button);
2626         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2627                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2628
2629         g_signal_connect(G_OBJECT(button), "popup-menu",
2630                          G_CALLBACK(icon_popup_menu), mimeview);
2631         g_signal_connect(G_OBJECT(button), "button_release_event",
2632                          G_CALLBACK(icon_clicked_cb), mimeview);
2633         g_signal_connect(G_OBJECT(button), "key_press_event",
2634                          G_CALLBACK(icon_key_pressed), mimeview);
2635         g_signal_connect(G_OBJECT(button), "drag_data_get",
2636                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2637         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2638 #ifdef GENERIC_UMPC
2639         gtk_widget_size_request(pixmap, &r);
2640         gtk_widget_set_size_request(button, -1, r.height + 4);
2641 #endif
2642
2643 }
2644
2645 static void icon_list_clear (MimeView *mimeview)
2646 {
2647         GList     *child, *orig;
2648         GtkAdjustment *adj;
2649
2650         orig = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2651         for (child = orig; child != NULL; child = g_list_next(child)) {
2652                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2653                                        GTK_WIDGET(child->data));
2654         }
2655         g_list_free(orig);
2656         mimeview->icon_count = 0;
2657         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2658         gtk_adjustment_set_value(adj, gtk_adjustment_get_lower(adj));
2659         gtk_adjustment_changed(adj);
2660 }
2661
2662 /*!
2663  *\brief        Used to 'click' the next or previous icon.
2664  *
2665  *\return       true if the icon 'number' exists and was selected.
2666  */
2667 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2668                                          GtkAllocation *size, MimeView *mimeview)
2669 {
2670         GtkAllocation vbox_size;
2671         GtkAllocation layout_size;
2672         GtkAdjustment *adj;
2673         guint width;
2674         guint height;
2675
2676         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2677
2678         gtk_widget_get_allocation(mimeview->icon_vbox, &vbox_size);
2679         gtk_widget_get_allocation(mimeview->icon_scroll, &layout_size);
2680
2681         gtk_layout_get_size(GTK_LAYOUT(mimeview->icon_scroll), &width, &height);
2682         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2683                             width,
2684                             MAX(vbox_size.height, layout_size.height));
2685         gtk_adjustment_set_step_increment(adj, 10);
2686 }
2687
2688 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2689 {
2690         GtkRequisition size;
2691         GtkRequisition requisition;
2692
2693         cm_return_if_fail(mimeinfo != NULL);
2694
2695         while (mimeinfo != NULL) {
2696                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2697                         icon_list_append_icon(mimeview, mimeinfo);
2698                 if (mimeinfo->node->children != NULL)
2699                         icon_list_create(mimeview,
2700                                 (MimeInfo *) mimeinfo->node->children->data);
2701                 mimeinfo = mimeinfo->node->next != NULL
2702                          ? (MimeInfo *) mimeinfo->node->next->data
2703                          : NULL;
2704         }
2705         gtk_widget_size_request(mimeview->icon_vbox, &size);
2706         gtk_widget_get_requisition(mimeview->icon_mainbox, &requisition);
2707         if (size.width > requisition.width) {
2708                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2709                                             size.width, -1);
2710         }
2711         if (mimeview->opened)
2712                 icon_list_toggle_by_mime_info(mimeview,
2713                         mimeview_get_node_part(mimeview, mimeview->opened));
2714 }
2715
2716 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2717                                            MimeInfo     *mimeinfo)
2718 {
2719         GList *children, *child;
2720
2721         children = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2722         for (child = children; child != NULL; child = g_list_next(child)) {
2723                 gboolean *highlight = NULL;
2724                 GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2725
2726                 if (!GTK_IS_EVENT_BOX(child->data))
2727                         continue;
2728
2729                 highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2730                 *highlight = (g_object_get_data(G_OBJECT(child->data),
2731                                       "partinfo") == (gpointer)mimeinfo);
2732
2733                 gtk_widget_queue_draw(icon);
2734         }
2735         g_list_free(children);
2736 }
2737
2738 static void ctree_size_allocate_cb(GtkWidget *widget, GtkAllocation *allocation,
2739                                     MimeView *mimeview)
2740 {
2741         prefs_common.mimeview_tree_height = allocation->height;
2742 }
2743
2744 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2745                                     MimeView *mimeview)
2746 {
2747         g_object_ref(button);
2748
2749         mimeview_leave_notify(button, NULL, NULL);
2750
2751         mimeview->ctree_mode = !mimeview->ctree_mode;
2752         if (mimeview->ctree_mode) {
2753                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_RIGHT,
2754                                         GTK_SHADOW_NONE);
2755                 gtk_widget_hide(mimeview->icon_mainbox);
2756                 gtk_widget_show(mimeview->ctree_mainbox);
2757                 gtk_paned_set_position(GTK_PANED(mimeview->paned),
2758                                         prefs_common.mimeview_tree_height);
2759
2760                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2761                                         button);
2762                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2763                                    button, FALSE, FALSE, 0);
2764         } else {
2765                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_LEFT,
2766                               GTK_SHADOW_NONE);
2767                 gtk_widget_hide(mimeview->ctree_mainbox);
2768                 gtk_widget_show(mimeview->icon_mainbox);
2769                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2770
2771                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2772                                         button);
2773                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2774                                    button, FALSE, FALSE, 0);
2775                 gtk_box_reorder_child(GTK_BOX(gtk_widget_get_parent(button)), button, 0);
2776                 if (mimeview->opened)
2777                         icon_list_toggle_by_mime_info(mimeview,
2778                                         mimeview_get_node_part(mimeview, mimeview->opened));
2779                 summary_grab_focus(mimeview->mainwin->summaryview);
2780         }
2781         g_object_unref(button);
2782         return TRUE;
2783 }
2784
2785 void mimeview_update (MimeView *mimeview)
2786 {
2787         if (mimeview && mimeview->mimeinfo) {
2788                 icon_list_clear(mimeview);
2789                 icon_list_create(mimeview, mimeview->mimeinfo);
2790         }
2791 }
2792
2793 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2794 {
2795         MessageView *msgview = NULL;
2796         MainWindow *mainwin = NULL;
2797
2798         if (!cmd)
2799                 return;
2800
2801         msgview = mimeview->messageview;
2802         if (!msgview)
2803                 return;
2804
2805         mainwin = msgview->mainwin;
2806         if (!mainwin)
2807                 return;
2808
2809         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2810                           "pop_partinfo", NULL);
2811
2812         if (!strcmp(cmd, "sc://view_log"))
2813                 log_window_show(mainwin->logwin);
2814         else if (!strcmp(cmd, "sc://save_as"))
2815                 mimeview_save_as(mimeview);
2816         else if (!strcmp(cmd, "sc://display_as_text"))
2817                 mimeview_display_as_text(mimeview);
2818 #ifndef G_OS_WIN32
2819         else if (!strcmp(cmd, "sc://open_with"))
2820                 mimeview_open_with(mimeview);
2821 #endif
2822         else if (!strcmp(cmd, "sc://open"))
2823                 mimeview_launch(mimeview, NULL);
2824         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2825                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2826                 icon_selected(mimeview, -1, (MimeInfo *)data);
2827         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2828                 mimeview_launch(mimeview, (MimeInfo *)data);
2829         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2830                 mimeview->spec_part = (MimeInfo *)data;
2831                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2832         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2833                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2834                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2835                 gtk_toggle_button_set_active(
2836                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2837                                 TRUE);
2838                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2839                                 ADVANCED_SEARCH_EXTENDED, buf);
2840                 g_free(buf);
2841         }
2842 }
2843
2844 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2845 {
2846         if (mimeview->type == MIMEVIEW_TEXT)
2847                 return textview_scroll_page(mimeview->textview, up);
2848         else if (mimeview->mimeviewer) {
2849                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2850                 if (mimeviewer->scroll_page)
2851                         return mimeviewer->scroll_page(mimeviewer, up);
2852         }
2853         return TRUE;
2854 }
2855
2856 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2857 {
2858         if (mimeview->type == MIMEVIEW_TEXT)
2859                 textview_scroll_one_line(mimeview->textview, up);
2860         else if (mimeview->mimeviewer) {
2861                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2862                 if (mimeviewer->scroll_one_line)
2863                         mimeviewer->scroll_one_line(mimeviewer, up);
2864         }
2865 }