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         g_object_unref(model);
 290         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(ctree), FALSE);
 291         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(ctree),
 292                                         prefs_common.use_stripes_everywhere);
 293         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(ctree),
 294                                         prefs_common.show_col_headers);
 295
 296         renderer = gtk_cell_renderer_text_new();
 297         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 298                                         -1, titles[COL_MIMETYPE],renderer,
 299                                         "text", COL_MIMETYPE, NULL);
 300         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 301
 302         renderer = gtk_cell_renderer_text_new();
 303         gtk_cell_renderer_set_alignment(renderer, 1, 0.5);
 304         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 305                                         -1, titles[COL_SIZE], renderer,
 306                                         "text", COL_SIZE, NULL);
 307         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 308         gtk_tree_view_column_set_alignment(GTK_TREE_VIEW_COLUMN(column), 1);
 309
 310         renderer = gtk_cell_renderer_text_new();
 311         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 312                                         -1, titles[COL_NAME], renderer,
 313                                         "text", COL_NAME, NULL);
 314         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 315         gtk_tree_view_column_set_expand(GTK_TREE_VIEW_COLUMN(column), TRUE);
 316
 317         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(ctree));
 318         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 319
 320         gtk_widget_show(ctree);
 321         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 322         gtk_drag_source_set(ctree, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
 323                             mimeview_mime_types, 1, GDK_ACTION_COPY);
 324
 325         g_signal_connect(G_OBJECT(selection), "changed",
 326                          G_CALLBACK(mimeview_selected), mimeview);
 327         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 328                          G_CALLBACK(mimeview_button_pressed), mimeview);
 329         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 330                          G_CALLBACK(mimeview_key_pressed), mimeview);
 331         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 332                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 333
 334         mime_notebook = gtk_notebook_new();
 335         gtk_widget_show(mime_notebook);
 336         gtk_widget_set_can_focus(mime_notebook, FALSE);
 337         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 338         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 339
 340         icon_vbox = gtk_vbox_new(FALSE, 2);
 341         gtk_widget_show(icon_vbox);
 342         icon_scroll = gtk_layout_new(NULL, NULL);
 343         gtk_widget_show(icon_scroll);
 344         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 345         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 346         gtk_widget_show(scrollbutton);
 347
 348         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 349                          G_CALLBACK(mimeview_scrolled), mimeview);
 350
 351         mime_toggle = gtk_event_box_new();
 352         gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 353
 354         g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
 355                          G_CALLBACK(mimeview_visi_notify), mimeview);
 356         g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
 357                          G_CALLBACK(mimeview_leave_notify), mimeview);
 358         g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
 359                          G_CALLBACK(mimeview_enter_notify), mimeview);
 360
 361         gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 362         gtk_widget_show(mime_toggle);
 363         mimeview->ctree_mode = FALSE;
 364         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 365         gtk_widget_show(arrow);
 366         gtk_widget_size_request(arrow, &r);
 367         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 368         g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 369                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 370
 371         icon_mainbox = gtk_vbox_new(FALSE, 0);
 372         gtk_widget_show(icon_mainbox);
 373         gtk_widget_set_size_request(icon_mainbox, 32, -1);
 374         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 375         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 376         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 377         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 378                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 379
 380         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 381         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 382         g_signal_connect(G_OBJECT(ctree_mainbox), "size_allocate",
 383                          G_CALLBACK(ctree_size_allocate_cb), mimeview);
 384
 385         mimeview->ui_manager = gtk_ui_manager_new();
 386         mimeview->action_group = cm_menu_create_action_group_full(mimeview->ui_manager,
 387                         "MimeView", mimeview_menu_actions,
 388                         G_N_ELEMENTS(mimeview_menu_actions), (gpointer)mimeview);
 389
 390         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 391         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 392                         "/Menus/", "MimeView", "MimeView", GTK_UI_MANAGER_MENU);
 393         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 394                         "/Menus/MimeView/", "Open", "MimeView/Open",
 395                         GTK_UI_MANAGER_MENUITEM);
 396 #if (!defined G_OS_WIN32)
 397         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 398                         "/Menus/MimeView/", "OpenWith", "MimeView/OpenWith",
 399                         GTK_UI_MANAGER_MENUITEM);
 400 #endif
 401         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 402                         "/Menus/MimeView/", "SendTo", "MimeView/SendTo",
 403                         GTK_UI_MANAGER_MENUITEM);
 404         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 405                         "/Menus/MimeView/", "DisplayAsText", "MimeView/DisplayAsText",
 406                         GTK_UI_MANAGER_MENUITEM);
 407         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 408                         "/Menus/MimeView/", "SaveAs", "MimeView/SaveAs",
 409                         GTK_UI_MANAGER_MENUITEM);
 410         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 411                         "/Menus/MimeView/", "SaveAll", "MimeView/SaveAll",
 412                         GTK_UI_MANAGER_MENUITEM);
 413         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 414                         "/Menus/MimeView/", "NextPart", "MimeView/NextPart",
 415                         GTK_UI_MANAGER_MENUITEM);
 416         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 417                         "/Menus/MimeView/", "PrevPart", "MimeView/PrevPart",
 418                         GTK_UI_MANAGER_MENUITEM);
 419
 420         popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 421                                 gtk_ui_manager_get_widget(mimeview->ui_manager, "/Menus/MimeView")) );
 422
 423
 424         vbox = gtk_vbox_new(FALSE, 0);
 425         gtk_widget_show(vbox);
 426         siginfoview = noticeview_create(mainwin);
 427         noticeview_hide(siginfoview);
 428         noticeview_set_icon_clickable(siginfoview, TRUE);
 429         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 430         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 431
 432         paned = gtk_vpaned_new();
 433         gtk_widget_show(paned);
 434         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 435         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 436
 437         hbox = gtk_hbox_new(FALSE, 0);
 438         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 439         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 440
 441         gtk_widget_show(hbox);
 442         gtk_widget_hide(ctree_mainbox);
 443 #ifdef GENERIC_UMPC
 444         gtk_widget_set_size_request(mime_toggle, -1, r.height + 8);
 445 #endif
 446         mimeview->hbox          = hbox;
 447         mimeview->paned         = paned;
 448         mimeview->scrolledwin   = scrolledwin;
 449         mimeview->ctree         = ctree;
 450         mimeview->mime_notebook = mime_notebook;
 451         mimeview->popupmenu     = popupmenu;
 452         mimeview->type          = -1;
 453         mimeview->ctree_mainbox = ctree_mainbox;
 454         mimeview->icon_scroll   = icon_scroll;
 455         mimeview->icon_vbox     = icon_vbox;
 456         mimeview->icon_mainbox  = icon_mainbox;
 457         mimeview->icon_count    = 0;
 458         mimeview->mainwin       = mainwin;
 459         mimeview->mime_toggle   = mime_toggle;
 460         mimeview->siginfoview   = siginfoview;
 461         mimeview->scrollbutton  = scrollbutton;
 462         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 463
 464         mimeviews = g_slist_prepend(mimeviews, mimeview);
 465
 466         return mimeview;
 467 }
 468
 469 void mimeview_init(MimeView *mimeview)
 470 {
 471         textview_init(mimeview->textview);
 472
 473         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 474                 GTK_WIDGET_PTR(mimeview->textview));
 475 }
 476
 477 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 478 {
 479         while (mimeinfo) {
 480                 if (privacy_mimeinfo_is_signed(mimeinfo))
 481                         return TRUE;
 482                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 483         }
 484
 485         return FALSE;
 486 }
 487
 488 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 489                            const gchar *file)
 490 {
 491         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
 492
 493         mimeview_clear(mimeview);
 494
 495         cm_return_if_fail(file != NULL);
 496         cm_return_if_fail(mimeinfo != NULL);
 497
 498         mimeview->mimeinfo = mimeinfo;
 499
 500         mimeview->file = g_strdup(file);
 501
 502         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 503                                         mimeview);
 504
 505         /* check if the mail's signed - it can change the mail structure */
 506
 507         if (any_part_is_signed(mimeinfo))
 508                 debug_print("signed mail\n");
 509
 510         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 511         gtk_tree_view_expand_all(ctree);
 512         icon_list_clear(mimeview);
 513         icon_list_create(mimeview, mimeinfo);
 514
 515         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 516                                           mimeview_selected, mimeview);
 517 }
 518
 519 #ifdef USE_PTHREAD
 520 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 521 #endif
 522
 523 static void mimeview_free_mimeinfo(MimeView *mimeview)
 524 {
 525         gboolean defer = FALSE;
 526 #ifdef USE_PTHREAD
 527         defer = (mimeview->check_data != NULL);
 528         if (defer)
 529                 mimeview->check_data->free_after_use = TRUE;
 530 #endif
 531         if (mimeview->mimeinfo != NULL && !defer) {
 532                 procmime_mimeinfo_free_all(&mimeview->mimeinfo);
 533                 mimeview->mimeinfo = NULL;
 534         } else if (defer) {
 535 #ifdef USE_PTHREAD
 536                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 537                 mimeview_check_sig_cancel_now(mimeview);
 538 #endif
 539         }
 540 }
 541
 542 void mimeview_destroy(MimeView *mimeview)
 543 {
 544         GSList *cur;
 545
 546         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 547                 MimeViewer *viewer = (MimeViewer *) cur->data;
 548                 viewer->destroy_viewer(viewer);
 549         }
 550         g_slist_free(mimeview->viewers);
 551         gtk_target_list_unref(mimeview->target_list);
 552
 553 #ifdef USE_PTHREAD
 554         if (mimeview->check_data) {
 555                 mimeview->check_data->destroy_mimeview = TRUE;
 556                 debug_print("deferring destroy\n");
 557         } else
 558 #endif
 559         {
 560                 mimeview_free_mimeinfo(mimeview);
 561                 gtk_tree_path_free(mimeview->opened);
 562                 g_free(mimeview->file);
 563                 g_free(mimeview);
 564                 mimeviews = g_slist_remove(mimeviews, mimeview);
 565         }
 566
 567 }
 568
 569 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 570 {
 571         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 572         GtkTreeIter iter;
 573         GtkTreeSelection *selection;
 574         MimeInfo *partinfo = NULL;
 575
 576         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 577         if (gtk_tree_selection_get_selected(selection, NULL, &iter))
 578                 gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 579
 580         return partinfo;
 581 }
 582
 583 MimeInfo *mimeview_get_node_part(MimeView *mimeview, GtkTreePath *path)
 584 {
 585         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 586         GtkTreeIter iter;
 587         MimeInfo *partinfo;
 588
 589         gtk_tree_model_get_iter(model, &iter, path);
 590         gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 591         return partinfo;
 592 }
 593
 594 gboolean mimeview_tree_is_empty(MimeView *mimeview)
 595 {
 596         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 597         GtkTreeIter iter;
 598         return !gtk_tree_model_get_iter_first(model, &iter);
 599 }
 600
 601 static gboolean mimeview_tree_next(GtkTreeModel *model, GtkTreePath *path)
 602 {
 603         GtkTreeIter iter, parent;
 604         gboolean has_parent;
 605
 606         gtk_tree_model_get_iter(model, &iter, path);
 607
 608         if (gtk_tree_model_iter_has_child(model, &iter)) {
 609                 gtk_tree_path_down(path);
 610                 return TRUE;
 611         }
 612
 613         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 614
 615         if (!gtk_tree_model_iter_next(model, &iter)) {
 616                 while (has_parent) {
 617                         GtkTreeIter saved_parent = parent;
 618                         gtk_tree_path_up(path);
 619                         if (gtk_tree_model_iter_next(model, &parent)) {
 620                                 gtk_tree_path_next(path);
 621                                 return TRUE;
 622                         } else {
 623                                 has_parent = gtk_tree_model_iter_parent(model, &parent, &saved_parent);
 624                         }
 625                 }
 626
 627         } else {
 628                 gtk_tree_path_next(path);
 629                 return TRUE;
 630         }
 631
 632         return FALSE;
 633 }
 634
 635 static gboolean mimeview_tree_prev(MimeView *mimeview, GtkTreePath *path)
 636 {
 637         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 638         GtkTreeIter iter, child, parent;
 639         gboolean has_parent;
 640
 641         gtk_tree_model_get_iter(model, &iter, path);
 642         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 643
 644         if (gtk_tree_path_prev(path)) {
 645                 gtk_tree_model_get_iter(model, &iter, path);
 646
 647                 if (gtk_tree_model_iter_nth_child(model, &child, &iter, 0)) {
 648                         gtk_tree_path_down(path);
 649
 650                         while (gtk_tree_model_iter_next(model, &child))
 651                                 gtk_tree_path_next(path);
 652                 }
 653
 654                 return TRUE;
 655         }
 656
 657         if (has_parent) {
 658                 gtk_tree_path_up(path);
 659                 return TRUE;
 660         }
 661
 662         return FALSE;
 663 }
 664
 665 gint mimeview_get_selected_part_num(MimeView *mimeview)
 666 {
 667         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 668         GtkTreeIter iter;
 669         GtkTreePath *path;
 670         gint i = 0;
 671
 672         gtk_tree_model_get_iter_first(model, &iter);
 673         path = gtk_tree_model_get_path(model, &iter);
 674
 675         do {
 676                 if (!gtk_tree_path_compare(mimeview->opened, path)) {
 677                         gtk_tree_path_free(path);
 678                         return i;
 679                 }
 680
 681                 i++;
 682         } while (mimeview_tree_next(model, path));
 683
 684         gtk_tree_path_free(path);
 685
 686         return -1;
 687 }
 688
 689 void mimeview_select_part_num(MimeView *mimeview, gint i)
 690 {
 691         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 692         GtkTreeIter iter;
 693         GtkTreePath *path;
 694         GtkTreeSelection *selection;
 695         gint x = 0;
 696
 697         if (i < 0)
 698                 return;
 699
 700         gtk_tree_model_get_iter_first(model, &iter);
 701         path = gtk_tree_model_get_path(model, &iter);
 702
 703         while (x != i) {
 704                 if (!mimeview_tree_next(model, path)) {
 705                         gtk_tree_path_free(path);
 706                         return;
 707                 }
 708                 x++;
 709         }
 710
 711         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 712         gtk_tree_selection_select_path(selection, path);
 713         gtk_tree_path_free(path);
 714 }
 715
 716 static void mimeview_set_multipart_tree(MimeView *mimeview,
 717                                         MimeInfo *mimeinfo,
 718                                         GtkTreeIter *parent)
 719 {
 720         GtkTreeStore *model = GTK_TREE_STORE(gtk_tree_view_get_model(
 721                                         GTK_TREE_VIEW(mimeview->ctree)));
 722         GtkTreeIter iter;
 723         gchar *content_type, *length, *name;
 724
 725         cm_return_if_fail(mimeinfo != NULL);
 726
 727         while (mimeinfo != NULL) {
 728                 if (mimeinfo->type != MIMETYPE_UNKNOWN && mimeinfo->subtype)
 729                         content_type = g_strdup_printf("%s/%s",
 730                                         procmime_get_media_type_str(mimeinfo->type),
 731                                         mimeinfo->subtype);
 732                 else
 733                         content_type = g_strdup("UNKNOWN");
 734
 735                 length = g_strdup(to_human_readable((goffset) mimeinfo->length));
 736
 737                 if (prefs_common.attach_desc)
 738                         name = g_strdup(get_part_description(mimeinfo));
 739                 else
 740                         name = g_strdup(get_part_name(mimeinfo));
 741
 742                 gtk_tree_store_append(model, &iter, parent);
 743                 gtk_tree_store_set(model, &iter,
 744                                 COL_MIMETYPE, content_type,
 745                                 COL_SIZE, length,
 746                                 COL_NAME, name,
 747                                 COL_DATA, mimeinfo, -1);
 748                 g_free(content_type);
 749                 g_free(length);
 750                 g_free(name);
 751
 752                 if (mimeinfo->node->children)
 753                         mimeview_set_multipart_tree(mimeview,
 754                                 (MimeInfo *) mimeinfo->node->children->data, &iter);
 755                 mimeinfo = mimeinfo->node->next != NULL ?
 756                                 (MimeInfo *) mimeinfo->node->next->data : NULL;
 757         }
 758 }
 759
 760 static const gchar *get_real_part_name(MimeInfo *partinfo)
 761 {
 762         const gchar *name = NULL;
 763
 764         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 765         if (name == NULL)
 766                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 767
 768         return name;
 769 }
 770
 771 static const gchar *get_part_name(MimeInfo *partinfo)
 772 {
 773         const gchar *name;
 774
 775         name = get_real_part_name(partinfo);
 776         if (name == NULL)
 777                 name = "";
 778
 779         return name;
 780 }
 781
 782 static const gchar *get_part_description(MimeInfo *partinfo)
 783 {
 784         if (partinfo->description)
 785                 return partinfo->description;
 786         else
 787                 return get_part_name(partinfo);
 788 }
 789
 790 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 791 {
 792         FILE *fp;
 793         const gchar *fname;
 794
 795         if (!partinfo) return;
 796
 797         fname = mimeview->file;
 798         if (!fname) return;
 799
 800         if ((fp = g_fopen(fname, "rb")) == NULL) {
 801                 FILE_OP_ERROR(fname, "fopen");
 802                 return;
 803         }
 804
 805         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 806                 FILE_OP_ERROR(mimeview->file, "fseek");
 807                 fclose(fp);
 808                 return;
 809         }
 810
 811         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 812         textview_show_part(mimeview->textview, partinfo, fp);
 813
 814         fclose(fp);
 815 }
 816
 817 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 818 {
 819         GSList *cur;
 820         MimeViewerFactory *factory = NULL;
 821         MimeViewer *viewer = NULL;
 822         gchar *real_contenttype = NULL, *tmp;
 823
 824         real_contenttype = g_utf8_strdown((gchar *)content_type, -1);
 825
 826         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 827                 MimeViewerFactory *curfactory = cur->data;
 828                 gint i = 0;
 829
 830                 while (curfactory->content_types[i] != NULL) {
 831                         tmp = g_utf8_strdown(curfactory->content_types[i], -1);
 832                         if (g_pattern_match_simple(tmp, real_contenttype)) {
 833                                 debug_print("%s\n", curfactory->content_types[i]);
 834                                 factory = curfactory;
 835                                 g_free(tmp);
 836                                 break;
 837                         }
 838                         g_free(tmp);
 839                         i++;
 840                 }
 841                 if (factory != NULL)
 842                         break;
 843         }
 844         g_free(real_contenttype);
 845         if (factory == NULL)
 846                 return NULL;
 847
 848         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 849                 MimeViewer *curviewer = cur->data;
 850
 851                 if (curviewer->factory == factory)
 852                         return curviewer;
 853         }
 854         viewer = factory->create_viewer();
 855         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 856                 GTK_WIDGET(viewer->get_widget(viewer)));
 857
 858         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 859
 860         return viewer;
 861 }
 862
 863 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 864 {
 865         return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 866 }
 867
 868 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 869 {
 870         gchar *content_type = NULL;
 871         MimeViewer *viewer = NULL;
 872
 873         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 874             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 875                 const gchar *filename;
 876
 877                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 878                 if (filename == NULL)
 879                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 880                 if (filename != NULL)
 881                         content_type = procmime_get_mime_type(filename);
 882         } else {
 883                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 884         }
 885
 886         if (content_type != NULL) {
 887                 viewer = get_viewer_for_content_type(mimeview, content_type);
 888                 g_free(content_type);
 889         }
 890
 891         return viewer;
 892 }
 893
 894 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 895 {
 896         MimeViewer *viewer;
 897
 898         if (mimeview->messageview->partial_display_shown) {
 899                 noticeview_hide(mimeview->messageview->noticeview);
 900                 mimeview->messageview->partial_display_shown = FALSE;
 901         }
 902
 903         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 904         if (viewer == NULL) {
 905                 if (mimeview->mimeviewer != NULL)
 906                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 907                 mimeview->mimeviewer = NULL;
 908                 return FALSE;
 909         }
 910
 911         if (mimeview->mimeviewer != NULL)
 912                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 913
 914         if (mimeview->mimeviewer != viewer)
 915                 mimeview->mimeviewer = viewer;
 916
 917         mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 918         viewer->mimeview = mimeview;
 919         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 920
 921         return TRUE;
 922 }
 923
 924 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 925 {
 926         TextView  *textview  = mimeview->textview;
 927         GtkWidget *focused = NULL;
 928
 929         if (mainwindow_get_mainwindow())
 930                 focused = gtkut_get_focused_child(
 931                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 932
 933         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 934             (mimeview->type == type)) return;
 935
 936         switch (type) {
 937         case MIMEVIEW_TEXT:
 938                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 939                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 940                         GTK_WIDGET_PTR(textview)));
 941                 break;
 942         case MIMEVIEW_VIEWER:
 943                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 944                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 945                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 946                 break;
 947         default:
 948                 return;
 949         }
 950         if (focused)
 951                 gtk_widget_grab_focus(focused);
 952         mimeview->type = type;
 953 }
 954
 955 void mimeview_clear(MimeView *mimeview)
 956 {
 957         GtkTreeModel *model;
 958
 959         if (!mimeview)
 960                 return;
 961
 962         if (g_slist_find(mimeviews, mimeview) == NULL)
 963                 return;
 964
 965         noticeview_hide(mimeview->siginfoview);
 966
 967         model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 968         gtk_tree_store_clear(GTK_TREE_STORE(model));
 969
 970         textview_clear(mimeview->textview);
 971         if (mimeview->mimeviewer != NULL)
 972                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 973
 974         mimeview_free_mimeinfo(mimeview);
 975
 976         mimeview->mimeinfo = NULL;
 977
 978         gtk_tree_path_free(mimeview->opened);
 979         mimeview->opened = NULL;
 980
 981         g_free(mimeview->file);
 982         mimeview->file = NULL;
 983
 984         icon_list_clear(mimeview);
 985         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 986 }
 987
 988 gchar * get_message_check_signature_shortcut(MessageView *messageview) {
 989         GtkUIManager *ui_manager;
 990
 991         if (messageview->window != NULL)
 992                         ui_manager = messageview->ui_manager;
 993                 else
 994                         ui_manager = messageview->mainwin->ui_manager;
 995
 996         return cm_menu_item_get_shortcut(ui_manager, "Menu/Message/CheckSignature");
 997 }
 998
 999 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
1000 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
1001
1002 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
1003                                         gboolean special, SignatureStatus code)
1004 {
1005         gchar *text = NULL, *button_text = NULL;
1006         void  *func = NULL;
1007         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1008         SignatureStatus mycode = SIGNATURE_UNCHECKED;
1009
1010         cm_return_if_fail(mimeview != NULL);
1011         cm_return_if_fail(mimeinfo != NULL);
1012
1013         if (special)
1014                 mycode = code;
1015         else
1016                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
1017
1018         switch (mycode) {
1019         case SIGNATURE_UNCHECKED:
1020                 button_text = _("Check signature");
1021                 func = check_signature_cb;
1022                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1023                 break;
1024         case SIGNATURE_OK:
1025                 button_text = _("View full information");
1026                 func = display_full_info_cb;
1027                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
1028                 break;
1029         case SIGNATURE_WARN:
1030                 button_text = _("View full information");
1031                 func = display_full_info_cb;
1032                 icon = STOCK_PIXMAP_PRIVACY_WARN;
1033                 break;
1034         case SIGNATURE_KEY_EXPIRED:
1035                 button_text = _("View full information");
1036                 func = display_full_info_cb;
1037                 icon = STOCK_PIXMAP_PRIVACY_EXPIRED;
1038                 break;
1039         case SIGNATURE_INVALID:
1040                 button_text = _("View full information");
1041                 func = display_full_info_cb;
1042                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
1043                 break;
1044         case SIGNATURE_CHECK_FAILED:
1045         case SIGNATURE_CHECK_TIMEOUT:
1046                 button_text = _("Check again");
1047                 func = check_signature_cb;
1048                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
1049                 break;
1050         default:
1051                 break;
1052         }
1053         if (mycode == SIGNATURE_UNCHECKED) {
1054                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
1055                 gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1056
1057                 if (*shortcut == '\0')
1058                         text = g_strdup_printf(_("%s Click the icon to check it."), tmp);
1059                 else
1060                         text = g_strdup_printf(_("%s Click the icon or hit '%s' to check it."),
1061                                 tmp, shortcut);
1062                 g_free(tmp);
1063                 g_free(shortcut);
1064         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
1065                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
1066         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
1067                 gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1068
1069                 if (*shortcut == '\0')
1070                         text = g_strdup(_("Timeout checking the signature. Click the icon to try again."));
1071                 else
1072                         text = g_strdup_printf(_("Timeout checking the signature. Click the icon or hit '%s' to try again."), shortcut);
1073                 g_free(shortcut);
1074         }
1075
1076         noticeview_set_text(mimeview->siginfoview, text);
1077         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
1078
1079         g_free(text);
1080         noticeview_set_button_text(mimeview->siginfoview, NULL);
1081         noticeview_set_button_press_callback(
1082                 mimeview->siginfoview,
1083                 G_CALLBACK(func),
1084                 (gpointer) mimeview);
1085         noticeview_set_icon(mimeview->siginfoview, icon);
1086         noticeview_set_tooltip(mimeview->siginfoview, button_text);
1087
1088         icon_list_clear(mimeview);
1089         icon_list_create(mimeview, mimeview->mimeinfo);
1090 }
1091
1092 #ifdef USE_PTHREAD
1093
1094 /* reset all thread stuff, and do the cleanups we've been left to do */
1095 static void mimeview_check_data_reset(MimeView *mimeview)
1096 {
1097         gboolean must_free;
1098         gboolean must_destroy;
1099
1100         if (!mimeview->check_data)
1101                 return;
1102
1103         must_free = mimeview->check_data->free_after_use;
1104         must_destroy = mimeview->check_data->destroy_mimeview;
1105
1106         if (mimeview->check_data->cancel_th_init) {
1107                 debug_print("killing canceller thread\n");
1108                 mimeview->check_data->cancel_th_init = FALSE;
1109                 pthread_cancel(mimeview->check_data->cancel_th);
1110         }
1111
1112         if (must_free) {
1113                 debug_print("freeing deferred mimeinfo\n");
1114                 procmime_mimeinfo_free_all(&mimeview->check_data->siginfo);
1115         }
1116
1117         g_free(mimeview->check_data);
1118         mimeview->check_data = NULL;
1119
1120         if (must_destroy) {
1121                 debug_print("freeing deferred mimeview\n");
1122                 mimeview_free_mimeinfo(mimeview);
1123                 gtk_tree_path_free(mimeview->opened);
1124                 g_free(mimeview->file);
1125                 g_free(mimeview);
1126                 mimeviews = g_slist_remove(mimeviews, mimeview);
1127         }
1128 }
1129
1130 /* GUI update once the checker thread is done or killed */
1131 static gboolean mimeview_check_sig_thread_cb(void *data)
1132 {
1133         MimeView *mimeview = (MimeView *) data;
1134         MimeInfo *mimeinfo = mimeview->siginfo;
1135
1136         debug_print("mimeview_check_sig_thread_cb\n");
1137
1138         if (mimeinfo == NULL) {
1139                 /* message changed !? */
1140                 g_warning("no more siginfo!");
1141                 goto end;
1142         }
1143
1144         if (!mimeview->check_data) {
1145                 g_warning("nothing to check");
1146                 return FALSE;
1147         }
1148
1149         if (mimeview->check_data->siginfo != mimeinfo) {
1150                 /* message changed !? */
1151                 g_warning("different siginfo!");
1152                 goto end;
1153         }
1154
1155         if (mimeview->check_data->destroy_mimeview ||
1156             mimeview->check_data->free_after_use) {
1157                 debug_print("not bothering, we're changing message\n");
1158                 goto end;
1159         }
1160
1161         /* update status */
1162         if (mimeview->check_data->timeout)
1163                 update_signature_noticeview(mimeview, mimeview->siginfo,
1164                         TRUE, SIGNATURE_CHECK_TIMEOUT);
1165         else
1166                 update_signature_noticeview(mimeview, mimeview->siginfo,
1167                         FALSE, 0);
1168
1169 end:
1170         mimeview_check_data_reset(mimeview);
1171         return FALSE;
1172 }
1173
1174 /* sig checker thread */
1175 static void *mimeview_check_sig_worker_thread(void *data)
1176 {
1177         MimeView *mimeview = (MimeView *)data;
1178         MimeInfo *mimeinfo = mimeview->siginfo;
1179
1180         debug_print("checking...\n");
1181
1182         if (!mimeview->check_data)
1183                 return NULL;
1184
1185         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo) {
1186                 privacy_mimeinfo_check_signature(mimeinfo);
1187                 if (mimeview->check_data && mimeview->check_data->cancel_th_init) {
1188                         mimeview->check_data->cancel_th_init = FALSE;
1189                         pthread_cancel(mimeview->check_data->cancel_th);
1190                 }
1191         } else {
1192                 /* that's strange! we changed message without
1193                  * getting killed. */
1194                 g_warning("different siginfo!");
1195                 mimeview_check_data_reset(mimeview);
1196                 return NULL;
1197         }
1198
1199         /* use g_timeout so that GUI updates is done from the
1200          * correct thread */
1201         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1202
1203         return NULL;
1204 }
1205
1206 /* killer thread - acts when the checker didn't work fast
1207  * enough. */
1208 static void *mimeview_check_sig_cancel_thread(void *data)
1209 {
1210         MimeView *mimeview = (MimeView *)data;
1211
1212         if (!mimeview->check_data)
1213                 return NULL; /* nothing to kill ! */
1214
1215         /* wait for a few seconds... */
1216         debug_print("waiting a while\n");
1217
1218         g_usleep(5 * 1000 * 1000);
1219
1220         if (!mimeview->check_data)
1221                 return NULL; /* nothing to kill, it's done in time :) */
1222
1223         /* too late, go away checker thread */
1224         debug_print("killing checker thread\n");
1225         if (mimeview->check_data->th_init) {
1226                 mimeview->check_data->th_init = FALSE;
1227                 pthread_cancel(mimeview->check_data->th);
1228         }
1229
1230         /* tell upstream it was a timeout */
1231         mimeview->check_data->timeout = TRUE;
1232         /* use g_timeout so that GUI updates is done from the
1233          * correct thread */
1234         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1235
1236         return NULL;
1237 }
1238
1239 /* get rid of the checker thread right now - used when changing the
1240  * displayed message for example. */
1241 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1242 {
1243         if (!mimeview->check_data)
1244                 return;
1245         debug_print("killing checker thread NOW\n");
1246         if (mimeview->check_data->th_init) {
1247                 mimeview->check_data->th_init = FALSE;
1248                 pthread_cancel(mimeview->check_data->th);
1249         }
1250
1251         /* tell upstream it was a timeout */
1252         mimeview->check_data->timeout = TRUE;
1253         mimeview_check_sig_thread_cb(mimeview);
1254         return;
1255 }
1256
1257 /* creates a thread to check the signature, and a second one
1258  * to kill the first one after a timeout */
1259 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1260 {
1261         pthread_t th, th2;
1262         pthread_attr_t detach, detach2;
1263
1264         if (mimeview->check_data) {
1265                 g_warning("already checking it");
1266                 return;
1267         }
1268
1269         mimeview->check_data = g_new0(SigCheckData, 1);
1270         mimeview->check_data->siginfo = mimeview->siginfo;
1271         debug_print("creating thread\n");
1272
1273         /* init thread attributes and create the checker thread */
1274         if (pthread_attr_init(&detach) != 0 ||
1275             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1276             pthread_attr_init(&detach2) != 0 ||
1277             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1278             pthread_create(&th, &detach,
1279                         mimeview_check_sig_worker_thread,
1280                         mimeview) != 0) {
1281                 /* arh. We'll do it synchronously. */
1282                 g_warning("can't create thread");
1283                 g_free(mimeview->check_data);
1284                 mimeview->check_data = NULL;
1285                 return;
1286         } else {
1287                 mimeview->check_data->th = th;
1288                 mimeview->check_data->th_init = TRUE;
1289         }
1290
1291         /* create the killer thread */
1292         pthread_create(&th2, &detach2,
1293                         mimeview_check_sig_cancel_thread,
1294                         mimeview);
1295
1296         mimeview->check_data->cancel_th = th2;
1297         mimeview->check_data->cancel_th_init = TRUE;
1298 }
1299 #endif
1300
1301 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1302 {
1303         MimeView *mimeview = (MimeView *) user_data;
1304         MimeInfo *mimeinfo = mimeview->siginfo;
1305
1306         if (mimeinfo == NULL)
1307                 return;
1308 #ifdef USE_PTHREAD
1309         if (mimeview->check_data)
1310                 return;
1311 #endif
1312         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1313         GTK_EVENTS_FLUSH();
1314 #ifdef USE_PTHREAD
1315         /* let's do it non-blocking */
1316         mimeview_check_sig_in_thread(mimeview);
1317         if (!mimeview->check_data) /* let's check syncronously */
1318 #endif
1319         {
1320                 debug_print("checking without thread\n");
1321                 privacy_mimeinfo_check_signature(mimeinfo);
1322                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1323         }
1324 }
1325
1326 void mimeview_check_signature(MimeView *mimeview)
1327 {
1328         check_signature_cb(NULL, mimeview);
1329 }
1330
1331 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1332 {
1333         MimeView *mimeview = (MimeView *) user_data;
1334         gtk_tree_path_free(mimeview->opened);
1335         mimeview->opened = NULL;
1336         mimeview_selected(gtk_tree_view_get_selection(
1337                         GTK_TREE_VIEW(mimeview->ctree)), mimeview);
1338 }
1339
1340 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1341 {
1342         MimeView *mimeview = (MimeView *) user_data;
1343         gchar *siginfo;
1344
1345         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1346         textview_set_text(mimeview->textview, siginfo);
1347         g_free(siginfo);
1348         noticeview_set_button_text(mimeview->siginfoview, NULL);
1349         noticeview_set_button_press_callback(
1350                 mimeview->siginfoview,
1351                 G_CALLBACK(redisplay_email),
1352                 (gpointer) mimeview);
1353         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1354 }
1355
1356 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1357 {
1358         MimeInfo *siginfo;
1359         MimeInfo *first_text;
1360
1361         cm_return_if_fail(mimeview != NULL);
1362         cm_return_if_fail(selected != NULL);
1363
1364         if (selected->type == MIMETYPE_MESSAGE
1365         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1366                 /* if the first text part is signed, check that */
1367                 first_text = selected;
1368                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1369                         first_text = procmime_mimeinfo_next(first_text);
1370                 }
1371                 if (first_text) {
1372                         update_signature_info(mimeview, first_text);
1373                         return;
1374                 }
1375         }
1376
1377         siginfo = selected;
1378         while (siginfo != NULL) {
1379                 if (privacy_mimeinfo_is_signed(siginfo))
1380                         break;
1381                 siginfo = procmime_mimeinfo_parent(siginfo);
1382         }
1383         mimeview->siginfo = siginfo;
1384
1385         /* This shortcut boolean is there to correctly set the menu's
1386          * CheckSignature item sensitivity without killing performance
1387          * each time the menu sensitiveness is updated (a lot).
1388          */
1389         mimeview->signed_part = (siginfo != NULL);
1390
1391         if (siginfo == NULL) {
1392                 noticeview_hide(mimeview->siginfoview);
1393                 return;
1394         }
1395
1396         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1397         noticeview_show(mimeview->siginfoview);
1398 }
1399
1400 static void mimeview_selected(GtkTreeSelection *selection, MimeView *mimeview)
1401 {
1402         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1403         GtkTreeModel *model;
1404         GtkTreeIter iter;
1405         GtkTreePath *path;
1406         MimeInfo *partinfo;
1407
1408         selection = gtk_tree_view_get_selection(ctree);
1409         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1410                 return;
1411
1412         path = gtk_tree_model_get_path(model, &iter);
1413
1414         if (mimeview->opened && !gtk_tree_path_compare(mimeview->opened, path)) {
1415                 gtk_tree_path_free(path);
1416                 return;
1417         }
1418
1419         gtk_tree_path_free(mimeview->opened);
1420         mimeview->opened = path;
1421         mimeview->spec_part = NULL;
1422         gtk_tree_view_scroll_to_cell(ctree, path, NULL, TRUE, 0.5, 0);
1423
1424         partinfo = mimeview_get_node_part(mimeview, path);
1425         if (!partinfo) return;
1426
1427         /* ungrab the mouse event */
1428         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
1429                 gtk_grab_remove(GTK_WIDGET(ctree));
1430                 if (gdk_pointer_is_grabbed())
1431                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1432         }
1433
1434         mimeview->textview->default_text = FALSE;
1435
1436         update_signature_info(mimeview, partinfo);
1437
1438         if (!mimeview_show_part(mimeview, partinfo)) {
1439                 switch (partinfo->type) {
1440                 case MIMETYPE_TEXT:
1441                 case MIMETYPE_MESSAGE:
1442                 case MIMETYPE_MULTIPART:
1443                         mimeview_show_message_part(mimeview, partinfo);
1444
1445                         break;
1446                 default:
1447                         mimeview->textview->default_text = TRUE;
1448                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1449                         textview_clear(mimeview->textview);
1450                         textview_show_mime_part(mimeview->textview, partinfo);
1451                         break;
1452                 }
1453         }
1454
1455         if (mimeview->siginfo && privacy_auto_check_signatures(mimeview->siginfo)
1456         &&  privacy_mimeinfo_get_sig_status(mimeview->siginfo) == SIGNATURE_UNCHECKED) {
1457                 mimeview_check_signature(mimeview);
1458         }
1459 }
1460
1461 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1462                                     MimeView *mimeview)
1463 {
1464         GtkTreeSelection *selection;
1465         GtkTreeIter iter;
1466
1467         if (!event) return FALSE;
1468
1469         if (event->button == 2 || event->button == 3) {
1470                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
1471                 if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
1472                         return FALSE;
1473
1474                 gtk_tree_selection_select_iter(selection, &iter);
1475         }
1476         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1477
1478         return FALSE;
1479 }
1480
1481 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1482                                     MimeView *mimeview)
1483 {
1484         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1485         if (event->direction == GDK_SCROLL_UP) {
1486                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1487         } else {
1488                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1489         }
1490         gtk_vscrollbutton_scroll(scrollbutton);
1491         return TRUE;
1492 }
1493
1494 /* from gdkevents.c */
1495 #define DOUBLE_CLICK_TIME 250
1496
1497 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1498                                     MimeInfo *partinfo)
1499 {
1500         static MimeInfo *lastinfo;
1501         static guint32 lasttime;
1502
1503         if (event->button == 2 ||
1504             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1505                 /* call external program for image, audio or html */
1506                 mimeview_launch(mimeview, partinfo);
1507                 return TRUE;
1508         } else if (event->button == 3) {
1509                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1510                                  partinfo->type == MIMETYPE_IMAGE ||
1511                                  partinfo->type == MIMETYPE_MULTIPART))
1512                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", FALSE);
1513                 else
1514                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", TRUE);
1515 #ifndef G_OS_WIN32
1516                 if (partinfo &&
1517                     partinfo->type == MIMETYPE_APPLICATION &&
1518                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1519                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", FALSE);
1520                 else
1521 #endif
1522                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", TRUE);
1523
1524                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1525                                   "pop_partinfo", partinfo);
1526
1527                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1528                                NULL, NULL, NULL, NULL,
1529                                event->button, event->time);
1530                 return TRUE;
1531         }
1532
1533         lastinfo = partinfo;
1534         lasttime = event->time;
1535         return FALSE;
1536 }
1537
1538
1539 gboolean mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1540 {
1541         return mimeview_key_pressed(mimeview->ctree, event, mimeview);
1542 }
1543
1544 void mimeview_select_next_part(MimeView *mimeview)
1545 {
1546         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1547         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1548         GtkTreeSelection *selection;
1549         GtkTreeIter iter;
1550         GtkTreePath *path;
1551         MimeInfo *partinfo = NULL;
1552         gboolean has_next;
1553
1554         if (!mimeview->opened) return;
1555
1556         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1557         path = gtk_tree_model_get_path(model, &iter);
1558 skip:
1559         has_next = mimeview_tree_next(model, path);
1560         if (!has_next) {
1561                 has_next = gtk_tree_model_get_iter_first(model, &iter);
1562                 gtk_tree_path_free(path);
1563                 path = gtk_tree_model_get_path(model, &iter);
1564         }
1565
1566         if (has_next) {
1567                 partinfo = mimeview_get_node_part(mimeview, path);
1568                 if (partinfo->type == MIMETYPE_MULTIPART ||
1569                     (!prefs_common.show_inline_attachments && partinfo->id))
1570                         goto skip;
1571                 selection = gtk_tree_view_get_selection(ctree);
1572                 gtk_tree_selection_select_path(selection, path);
1573                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1574         }
1575
1576         gtk_tree_path_free(path);
1577 }
1578
1579 void mimeview_select_prev_part(MimeView *mimeview)
1580 {
1581         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1582         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1583         GtkTreeSelection *selection;
1584         GtkTreeIter iter;
1585         GtkTreePath *path;
1586         MimeInfo *partinfo = NULL;
1587         gboolean has_prev;
1588
1589         if (!mimeview->opened) return;
1590
1591         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1592         path = gtk_tree_model_get_path(model, &iter);
1593 skip:
1594         has_prev = mimeview_tree_prev(mimeview, path);
1595         if (!has_prev) {
1596                 while (mimeview_tree_next(model, path)) {}
1597                 has_prev = TRUE;
1598         }
1599
1600         if (has_prev) {
1601                 partinfo = mimeview_get_node_part(mimeview, path);
1602                 if (partinfo->type == MIMETYPE_MULTIPART ||
1603                     (!prefs_common.show_inline_attachments && partinfo->id))
1604                         goto skip;
1605                 selection = gtk_tree_view_get_selection(ctree);
1606                 gtk_tree_selection_select_path(selection, path);
1607                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1608         }
1609
1610         gtk_tree_path_free(path);
1611 }
1612
1613 #define BREAK_ON_MODIFIER_KEY() \
1614         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1615
1616 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1617                                  MimeView *mimeview)
1618 {
1619         SummaryView *summaryview;
1620
1621         if (!event) return FALSE;
1622         if (!mimeview->opened) return FALSE;
1623
1624         summaryview = mimeview->messageview->mainwin->summaryview;
1625
1626         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1627                 return FALSE;
1628
1629         switch (event->keyval) {
1630         case GDK_KEY_Home:
1631         case GDK_KEY_End:
1632                 textview_scroll_max(mimeview->textview,
1633                                     (event->keyval == GDK_KEY_Home));
1634                 return TRUE;
1635         case GDK_KEY_Page_Down:
1636         case GDK_KEY_space:
1637                 if (mimeview_scroll_page(mimeview,
1638                                          (event->state & GDK_SHIFT_MASK) != 0))
1639                         return TRUE;
1640
1641                 if (!(event->state & GDK_SHIFT_MASK))
1642                         mimeview_select_next_part(mimeview);
1643                 return TRUE;
1644         case GDK_KEY_Page_Up:
1645         case GDK_KEY_BackSpace:
1646                 mimeview_scroll_page(mimeview, TRUE);
1647                 return TRUE;
1648         case GDK_KEY_Return:
1649         case GDK_KEY_KP_Enter:
1650                 mimeview_scroll_one_line(mimeview,
1651                                          (event->state & GDK_MOD1_MASK) != 0);
1652                 return TRUE;
1653         case GDK_KEY_Up:
1654         case GDK_KEY_Down:
1655                 mimeview_scroll_one_line(mimeview, (event->keyval == GDK_KEY_Up));
1656                 return TRUE;
1657         default:
1658                 break;
1659         }
1660
1661         if (mimeview->messageview->new_window) return FALSE;
1662
1663         return summary_pass_key_press_event(summaryview, event);
1664 }
1665
1666 static void mimeview_drag_data_get(GtkWidget        *widget,
1667                                    GdkDragContext   *drag_context,
1668                                    GtkSelectionData *selection_data,
1669                                    guint             info,
1670                                    guint             time,
1671                                    MimeView         *mimeview)
1672 {
1673         gchar *filename = NULL, *uriname, *tmp;
1674         MimeInfo *partinfo;
1675         gint err;
1676         gint count = 0;
1677
1678         if (!mimeview->opened) return;
1679         if (!mimeview->file) return;
1680
1681         partinfo = mimeview_get_selected_part(mimeview);
1682         if (!partinfo) return;
1683
1684         if (strlen(get_part_name(partinfo)) > 0) {
1685                 filename = g_path_get_basename(get_part_name(partinfo));
1686                 if (*filename == '\0') return;
1687         } else if (partinfo->type == MIMETYPE_MESSAGE
1688                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1689                 gchar *name = NULL;
1690                 GPtrArray *headers = NULL;
1691                 FILE *fp;
1692
1693                 fp = g_fopen(partinfo->data.filename, "rb");
1694                 if (fp != NULL && fseek(fp, partinfo->offset, SEEK_SET) == 0) {
1695                         headers = procheader_get_header_array_asis(fp);
1696                         if (headers) {
1697                                 gint i;
1698                                 for (i = 0; i < headers->len; i++) {
1699                                         Header *header = g_ptr_array_index(headers, i);
1700                                         if (procheader_headername_equal(header->name, "Subject")) {
1701                                                 unfold_line(header->body);
1702                                                 name = g_strconcat(header->body, ".txt", NULL);
1703                                                 subst_for_filename(name);
1704                                         }
1705                                 }
1706                                 procheader_header_array_destroy(headers);
1707                         }
1708                 }
1709                 if (fp != NULL)
1710                         fclose(fp);
1711                 if (name)
1712                         filename = g_path_get_basename(name);
1713                 g_free(name);
1714         }
1715         if (filename == NULL)
1716                 filename = g_path_get_basename("Unnamed part");
1717
1718         if (!g_utf8_validate(filename, -1, NULL))
1719                 tmp = conv_codeset_strdup(filename,
1720                                 conv_get_locale_charset_str(),
1721                                 CS_UTF_8);
1722         else
1723                 tmp = g_strdup(filename);
1724
1725         if (tmp == NULL) {
1726                 g_warning("filename not in UTF-8");
1727                 tmp = g_strdup("Unnamed part");
1728         }
1729         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1730                                tmp, NULL);
1731
1732 check_new_file:
1733         if (is_file_exist(filename)) {
1734                 gchar *ext = NULL;
1735                 gchar *prefix = NULL;
1736                 gchar *new_name = NULL;
1737                 if (strrchr(tmp, '.')) {
1738                         prefix = g_strdup(tmp);
1739                         ext = g_strdup(strrchr(tmp, '.'));
1740                         *(strrchr(prefix, '.')) = '\0';
1741                 } else {
1742                         prefix = g_strdup(tmp);
1743                         ext = g_strdup("");
1744                 }
1745                 count++;
1746                 new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1747                 g_free(prefix);
1748                 g_free(ext);
1749                 g_free(filename);
1750                 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1751                                new_name, NULL);
1752                 g_free(new_name);
1753                 goto check_new_file;
1754         }
1755
1756         g_free(tmp);
1757
1758         if ((err = procmime_get_part(filename, partinfo)) < 0)
1759                 alertpanel_error
1760                         (_("Couldn't save the part of multipart message: %s"),
1761                                 g_strerror(-err));
1762
1763         tmp = g_filename_to_uri(filename, NULL, NULL);
1764         uriname = g_strconcat(tmp, "\r\n", NULL);
1765         g_free(tmp);
1766
1767         gtk_selection_data_set(selection_data,
1768                    gtk_selection_data_get_target(selection_data), 8,
1769                                (guchar *)uriname, strlen(uriname));
1770
1771         g_free(uriname);
1772         g_free(filename);
1773 }
1774
1775 /**
1776  * Returns a filename (with path) for an attachment
1777  * \param partinfo The attachment to save
1778  * \param basedir The target directory
1779  * \param number Used for dummy filename if attachment is unnamed
1780  */
1781 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1782                                       const gchar *basedir,
1783                                       gint number)
1784 {
1785         gchar *fullname;
1786         gchar *filename;
1787
1788         filename = g_strdup(get_part_name(partinfo));
1789         if (!filename || !*filename) {
1790                 g_free(filename);
1791                 filename = g_strdup_printf("noname.%d", number);
1792         }
1793
1794         if (!g_utf8_validate(filename, -1, NULL)) {
1795                 gchar *tmp = conv_filename_to_utf8(filename);
1796                 g_free(filename);
1797                 filename = tmp;
1798         }
1799
1800         subst_for_filename(filename);
1801
1802         fullname = g_strconcat
1803                 (basedir, G_DIR_SEPARATOR_S, (g_path_is_absolute(filename))
1804                  ? &filename[1] : filename, NULL);
1805
1806         g_free(filename);
1807         filename = conv_filename_from_utf8(fullname);
1808         g_free(fullname);
1809         return filename;
1810 }
1811
1812 /**
1813  * Write a single attachment to file
1814  * \param filename Filename with path
1815  * \param partinfo Attachment to save
1816  */
1817 static gboolean mimeview_write_part(const gchar *filename,
1818                                     MimeInfo *partinfo,
1819                                     gboolean handle_error)
1820 {
1821         gchar *dir;
1822         gint err;
1823
1824         dir= g_path_get_dirname(filename);
1825         if (!is_dir_exist(dir))
1826                 make_dir_hier(dir);
1827         g_free(dir);
1828
1829         if (is_file_exist(filename)) {
1830                 AlertValue aval;
1831                 gchar *res;
1832                 gchar *tmp;
1833
1834                 if (!g_utf8_validate(filename, -1, NULL))
1835                         tmp = conv_filename_to_utf8(filename);
1836                 else
1837                         tmp = g_strdup(filename);
1838
1839                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1840                                       tmp);
1841                 g_free(tmp);
1842                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1843                                   GTK_STOCK_OK, NULL, ALERTFOCUS_FIRST);
1844                 g_free(res);
1845                 if (G_ALERTALTERNATE != aval) return FALSE;
1846         }
1847
1848         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1849                 debug_print("error saving MIME part: %d\n", err);
1850                 if (handle_error)
1851                         alertpanel_error
1852                                 (_("Couldn't save the part of multipart message: %s"),
1853                                  g_strerror(-err));
1854                 return FALSE;
1855         }
1856
1857         return TRUE;
1858 }
1859
1860 static AlertValue mimeview_save_all_error_ask(gint n)
1861 {
1862         gchar *message = g_strdup_printf(
1863                 _("An error has occurred while saving message part #%d. "
1864                 "Do you want to cancel operation or skip error and "
1865                 "continue?"), n);
1866         AlertValue av = alertpanel_full(_("Error saving all message parts"),
1867                 message, GTK_STOCK_CANCEL, _("Skip"), _("Skip all"),
1868                 ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING);
1869         g_free(message);
1870         return av;
1871 }
1872
1873 static void mimeview_save_all_info(gint errors, gint total)
1874 {
1875         if (!errors) {
1876                 gchar *msg = g_strdup_printf(
1877                                 ngettext("%d file saved successfully.",
1878                                         "%d files saved successfully.",
1879                                         total),
1880                                 total);
1881                 alertpanel_notice("%s", msg);
1882                 g_free(msg);
1883         } else {
1884                 gchar *msg1 = g_strdup_printf(
1885                                 ngettext("%d file saved successfully",
1886                                         "%d files saved successfully",
1887                                         total - errors),
1888                                 total - errors);
1889                 gchar *msg2 = g_strdup_printf(
1890                                 ngettext("%s, %d file failed.",
1891                                         "%s, %d files failed.",
1892                                         errors),
1893                                 msg1, errors);
1894                 alertpanel_warning("%s", msg2);
1895                 g_free(msg2);
1896                 g_free(msg1);
1897         }
1898 }
1899
1900 /**
1901  * Menu callback: Save all attached files
1902  * \param mimeview Current display
1903  */
1904 static void mimeview_save_all(MimeView *mimeview)
1905 {
1906         MimeInfo *partinfo;
1907         gchar *dirname;
1908         gchar *startdir = NULL;
1909         gint number = 1, errors = 0;
1910         gboolean skip_errors = FALSE;
1911
1912         if (!mimeview->opened) return;
1913         if (!mimeview->file) return;
1914         if (!mimeview->mimeinfo) return;
1915
1916         partinfo = mimeview->mimeinfo;
1917         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1918                 startdir = g_strconcat(prefs_common.attach_save_dir, G_DIR_SEPARATOR_S, NULL);
1919         else
1920                 startdir = g_strdup(get_home_dir());
1921
1922         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
1923         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1924         if (!dirname) {
1925                 g_free(startdir);
1926                 return;
1927         }
1928
1929         if (!is_dir_exist (dirname)) {
1930                 alertpanel_error(_("'%s' is not a directory."), dirname);
1931                 g_free(startdir);
1932                 g_free(dirname);
1933                 return;
1934         }
1935
1936         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1937                 dirname[strlen(dirname)-1] = '\0';
1938
1939         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1940         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1941                 partinfo = procmime_mimeinfo_next(partinfo);
1942         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1943                 partinfo = procmime_mimeinfo_next(partinfo);
1944                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1945                         partinfo = procmime_mimeinfo_next(partinfo);
1946         }
1947
1948         while (partinfo != NULL) {
1949                 if (partinfo->type != MIMETYPE_MESSAGE &&
1950                     partinfo->type != MIMETYPE_MULTIPART &&
1951                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1952                      || get_real_part_name(partinfo) != NULL)) {
1953                         gchar *filename = mimeview_get_filename_for_part(
1954                                 partinfo, dirname, number++);
1955
1956                         gboolean ok = mimeview_write_part(filename, partinfo, FALSE);
1957                         g_free(filename);
1958                         if (!ok) {
1959                                 ++errors;
1960                                 if (!skip_errors) {
1961                                         AlertValue av = mimeview_save_all_error_ask(number - 1);
1962                                         skip_errors = (av == G_ALERTOTHER);
1963                                         if (av == G_ALERTDEFAULT) /* cancel */
1964                                                 break;
1965                                 }
1966                         }
1967                 }
1968                 partinfo = procmime_mimeinfo_next(partinfo);
1969         }
1970
1971         g_free(prefs_common.attach_save_dir);
1972         g_free(startdir);
1973         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
1974                                         -1, NULL, NULL, NULL);
1975         g_free(dirname);
1976
1977         mimeview_save_all_info(errors, number - 1);
1978 }
1979
1980 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1981 {
1982         MimeInfo *partinfo = NULL;
1983         if (mimeview->spec_part) {
1984                 partinfo = mimeview->spec_part;
1985                 mimeview->spec_part = NULL;
1986         } else {
1987                 partinfo = (MimeInfo *) g_object_get_data
1988                          (G_OBJECT(mimeview->popupmenu),
1989                          "pop_partinfo");
1990                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1991                                   "pop_partinfo", NULL);
1992                 if (!partinfo) {
1993                         partinfo = mimeview_get_selected_part(mimeview);
1994                 }
1995         }
1996
1997         return partinfo;
1998 }
1999 /**
2000  * Menu callback: Save the selected attachment
2001  * \param mimeview Current display
2002  */
2003 void mimeview_save_as(MimeView *mimeview)
2004 {
2005         gchar *filename;
2006         gchar *filepath = NULL;
2007         gchar *filedir = NULL;
2008         MimeInfo *partinfo;
2009         gchar *partname = NULL;
2010
2011         if (!mimeview->opened) return;
2012         if (!mimeview->file) return;
2013
2014         partinfo = mimeview_get_part_to_use(mimeview);
2015
2016         cm_return_if_fail(partinfo != NULL);
2017
2018         if (get_part_name(partinfo) == NULL) {
2019                 return;
2020         }
2021         partname = g_strdup(get_part_name(partinfo));
2022
2023         if (!g_utf8_validate(partname, -1, NULL)) {
2024                 gchar *tmp = conv_filename_to_utf8(partname);
2025                 if (!tmp) {
2026                         tmp = conv_codeset_strdup(partname,
2027                                 conv_get_locale_charset_str(),
2028                                 CS_UTF_8);
2029                 }
2030                 if (tmp) {
2031                         g_free(partname);
2032                         partname = tmp;
2033                 }
2034         }
2035
2036         subst_for_filename(partname);
2037
2038         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
2039                 filepath = g_strconcat(prefs_common.attach_save_dir,
2040                                        G_DIR_SEPARATOR_S, partname, NULL);
2041         else
2042                 filepath = g_strdup(partname);
2043
2044         g_free(partname);
2045
2046         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
2047         filename = filesel_select_file_save(_("Save as"), filepath);
2048         if (!filename) {
2049                 g_free(filepath);
2050                 return;
2051         }
2052
2053         mimeview_write_part(filename, partinfo, TRUE);
2054
2055         filedir = g_path_get_dirname(filename);
2056         if (filedir && strcmp(filedir, ".")) {
2057                 g_free(prefs_common.attach_save_dir);
2058                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
2059         }
2060
2061         g_free(filedir);
2062         g_free(filepath);
2063 }
2064
2065 void mimeview_display_as_text(MimeView *mimeview)
2066 {
2067         MimeInfo *partinfo;
2068
2069         if (!mimeview->opened) return;
2070
2071         partinfo = mimeview_get_part_to_use(mimeview);
2072         mimeview_select_mimepart_icon(mimeview, partinfo);
2073         cm_return_if_fail(partinfo != NULL);
2074         mimeview_show_message_part(mimeview, partinfo);
2075 }
2076
2077 void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
2078 {
2079         gchar *filename;
2080         gint err;
2081
2082         if (!mimeview->opened) return;
2083         if (!mimeview->file) return;
2084
2085         if (!partinfo)
2086                 partinfo = mimeview_get_part_to_use(mimeview);
2087
2088         cm_return_if_fail(partinfo != NULL);
2089
2090         filename = procmime_get_tmp_file_name(partinfo);
2091
2092         if ((err = procmime_get_part(filename, partinfo)) < 0)
2093                 alertpanel_error
2094                         (_("Couldn't save the part of multipart message: %s"),
2095                                 g_strerror(-err));
2096         else
2097                 mimeview_view_file(filename, partinfo, NULL, mimeview);
2098
2099         g_free(filename);
2100 }
2101
2102 #ifndef G_OS_WIN32
2103 void mimeview_open_with(MimeView *mimeview)
2104 {
2105         MimeInfo *partinfo;
2106
2107         if (!mimeview) return;
2108         if (!mimeview->opened) return;
2109         if (!mimeview->file) return;
2110
2111         partinfo = mimeview_get_part_to_use(mimeview);
2112
2113         mimeview_open_part_with(mimeview, partinfo, FALSE);
2114 }
2115
2116 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
2117 {
2118         gchar *filename;
2119         gchar *cmd;
2120         gchar *mime_command = NULL;
2121         gchar *content_type = NULL;
2122         gint err;
2123
2124         cm_return_if_fail(partinfo != NULL);
2125
2126         filename = procmime_get_tmp_file_name(partinfo);
2127
2128         if ((err = procmime_get_part(filename, partinfo)) < 0) {
2129                 alertpanel_error
2130                         (_("Couldn't save the part of multipart message: %s"),
2131                                 g_strerror(-err));
2132                 g_free(filename);
2133                 return;
2134         }
2135
2136         if (!prefs_common.mime_open_cmd_history)
2137                 prefs_common.mime_open_cmd_history =
2138                         add_history(NULL, prefs_common.mime_open_cmd);
2139
2140         if ((partinfo->type == MIMETYPE_APPLICATION) &&
2141             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
2142                 /* guess content-type from filename */
2143                 content_type = procmime_get_mime_type(filename);
2144         }
2145         if (content_type == NULL) {
2146                 content_type = procmime_get_content_type_str(partinfo->type,
2147                         partinfo->subtype);
2148         }
2149
2150         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
2151         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
2152                 mime_command = g_strdup(prefs_common_get_uri_cmd());
2153                 g_free(content_type);
2154                 content_type = NULL;
2155         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
2156         ||  !prefs_common_get_ext_editor_cmd()[0]) {
2157                 mime_command = mailcap_get_command_for_type(content_type, filename);
2158         } else {
2159                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
2160                 g_free(content_type);
2161                 content_type = NULL;
2162         }
2163         if (mime_command == NULL) {
2164                 /* try with extension this time */
2165                 g_free(content_type);
2166                 content_type = procmime_get_mime_type(filename);
2167                 mime_command = mailcap_get_command_for_type(content_type, filename);
2168         }
2169
2170         if (mime_command == NULL)
2171                 automatic = FALSE;
2172
2173         if (!automatic) {
2174                 gboolean remember = FALSE;
2175                 if (content_type != NULL)
2176                         cmd = input_dialog_combo_remember
2177                                 (_("Open with"),
2178                                  _("Enter the command-line to open file:\n"
2179                                    "('%s' will be replaced with file name)"),
2180                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2181                                  prefs_common.mime_open_cmd_history, &remember);
2182                 else
2183                         cmd = input_dialog_combo
2184                                 (_("Open with"),
2185                                  _("Enter the command-line to open file:\n"
2186                                    "('%s' will be replaced with file name)"),
2187                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2188                                  prefs_common.mime_open_cmd_history);
2189                 if (cmd && remember) {
2190                         mailcap_update_default(content_type, cmd);
2191                 }
2192                 g_free(mime_command);
2193         } else {
2194                 cmd = mime_command;
2195         }
2196         if (cmd) {
2197                 mimeview_view_file(filename, partinfo, cmd, mimeview);
2198                 g_free(prefs_common.mime_open_cmd);
2199                 prefs_common.mime_open_cmd = cmd;
2200                 prefs_common.mime_open_cmd_history =
2201                         add_history(prefs_common.mime_open_cmd_history, cmd);
2202         }
2203
2204         g_free(content_type);
2205         g_free(filename);
2206 }
2207 #endif
2208
2209 static void mimeview_send_to(MimeView *mimeview, MimeInfo *partinfo)
2210 {
2211         GList *attach_file = NULL;
2212         AttachInfo *ainfo = NULL;
2213         gchar *filename;
2214         gint err;
2215
2216         if (!mimeview->opened) return;
2217         if (!mimeview->file) return;
2218
2219         cm_return_if_fail(partinfo != NULL);
2220
2221         filename = procmime_get_tmp_file_name(partinfo);
2222
2223         if (!(err = procmime_get_part(filename, partinfo))) {
2224                 ainfo = g_new0(AttachInfo, 1);
2225                 ainfo->file = filename;
2226                 ainfo->name = g_strdup(get_part_name(partinfo));
2227                 ainfo->content_type = procmime_get_content_type_str(
2228                                         partinfo->type, partinfo->subtype);
2229                 ainfo->charset = g_strdup(procmime_mimeinfo_get_parameter(
2230                                         partinfo, "charset"));
2231                 attach_file = g_list_append(attach_file, ainfo);
2232
2233                 compose_new(NULL, NULL, attach_file);
2234
2235                 g_free(ainfo->name);
2236                 g_free(ainfo->content_type);
2237                 g_free(ainfo->charset);
2238                 g_free(ainfo);
2239                 g_list_free(attach_file);
2240         } else
2241                 alertpanel_error
2242                         (_("Couldn't save the part of multipart message: %s"),
2243                                 g_strerror(-err));
2244         g_free(filename);
2245 }
2246
2247 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
2248                                const gchar *cmd, MimeView *mimeview)
2249 {
2250 #ifndef G_OS_WIN32
2251         gchar *p;
2252         gchar buf[BUFFSIZE];
2253
2254         if (cmd == NULL)
2255                 mimeview_open_part_with(mimeview, partinfo, TRUE);
2256         else {
2257                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2258                     !strchr(p + 2, '%')) {
2259                         g_snprintf(buf, sizeof(buf), cmd, filename);
2260                         if (!prefs_common.save_parts_readwrite)
2261                                 g_chmod(filename, S_IRUSR);
2262                         else
2263                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2264                 } else {
2265                         g_warning("MIME viewer command-line is invalid: '%s'", cmd);
2266                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2267                 }
2268                 if (execute_command_line(buf, TRUE, NULL) != 0) {
2269                         if (!prefs_common.save_parts_readwrite)
2270                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2271                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2272                 }
2273         }
2274 #else
2275         SHFILEINFO file_info;
2276         GError *error = NULL;
2277         gunichar2 *fn16 = g_utf8_to_utf16(filename, -1, NULL, NULL, &error);
2278
2279         if (error != NULL) {
2280                 alertpanel_error(_("Could not convert attachment name to UTF-16:\n\n%s"),
2281                                         error->message);
2282                 debug_print("filename '%s' conversion to UTF-16 failed\n", filename);
2283                 g_error_free(error);
2284                 return;
2285         }
2286
2287         if ((SHGetFileInfo((LPCWSTR)fn16, 0, &file_info, sizeof(SHFILEINFO), SHGFI_EXETYPE)) != 0) {
2288                 AlertValue val = alertpanel_full(_("Execute untrusted binary?"),
2289                                       _("This attachment is an executable file. Executing "
2290                                         "untrusted binaries is dangerous and could probably "
2291                                         "lead to compromission of your computer.\n\n"
2292                                         "Do you want to run this file?"), GTK_STOCK_CANCEL,
2293                                         _("Run binary"),
2294                                       NULL, FALSE, NULL, ALERT_WARNING, G_ALERTDEFAULT);
2295                 if (val == G_ALERTALTERNATE) {
2296                         debug_print("executing binary\n");
2297                         ShellExecute(NULL, L"open", (LPCWSTR)fn16, NULL, NULL, SW_SHOW);
2298                 }
2299         } else {
2300                 ShellExecute(NULL, L"open", (LPCWSTR)fn16, NULL, NULL, SW_SHOW);
2301         }
2302
2303         g_free(fn16);
2304
2305 #endif
2306 }
2307
2308 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
2309 {
2310         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
2311 }
2312
2313 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
2314 {
2315         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
2316 }
2317
2318 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
2319 {
2320         GSList *mimeview_list, *viewer_list;
2321
2322         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
2323                 MimeView *mimeview = (MimeView *) mimeview_list->data;
2324
2325                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
2326                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
2327                         mimeview->mimeviewer = NULL;
2328                 }
2329
2330                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
2331                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
2332
2333                         mimeviewer->destroy_viewer(mimeviewer);
2334                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
2335                 }
2336         }
2337
2338         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
2339 }
2340
2341 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
2342 {
2343         gint      num;
2344         MimeInfo *partinfo;
2345
2346         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2347         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2348
2349         if (event->button == 1) {
2350                 icon_selected(mimeview, num, partinfo);
2351                 gtk_widget_grab_focus(button);
2352                 icon_list_toggle_by_mime_info(mimeview, partinfo);
2353         }
2354         part_button_pressed(mimeview, event, partinfo);
2355
2356         return FALSE;
2357 }
2358
2359 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2360 {
2361         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
2362         GtkTreeIter iter;
2363         GtkTreePath *path;
2364         MimeInfo *curr = NULL;
2365
2366         gtk_tree_model_get_iter_first(model, &iter);
2367         path = gtk_tree_model_get_path(model, &iter);
2368
2369         do {
2370                 gtk_tree_model_get_iter(model, &iter, path);
2371                 gtk_tree_model_get(model, &iter, COL_DATA, &curr, -1);
2372                 if (curr == partinfo) {
2373                         GtkTreeSelection *sel = gtk_tree_view_get_selection(
2374                                                 GTK_TREE_VIEW(mimeview->ctree));
2375                         gtk_tree_selection_select_iter(sel, &iter);
2376                         gtk_tree_path_free(path);
2377                         return;
2378                 }
2379         } while (mimeview_tree_next(model, path));
2380
2381         gtk_tree_path_free(path);
2382 }
2383
2384 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2385 {
2386         icon_list_toggle_by_mime_info(mimeview, partinfo);
2387         icon_selected(mimeview, -1, partinfo);
2388 }
2389
2390 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2391                              MimeView *mimeview)
2392 {
2393         SummaryView  *summaryview;
2394
2395         if (!event) return FALSE;
2396
2397         switch (event->keyval) {
2398         case GDK_KEY_space:
2399                 if (mimeview_scroll_page(mimeview, FALSE))
2400                         return TRUE;
2401
2402                 mimeview_select_next_part(mimeview);
2403                 return TRUE;
2404
2405                 break;
2406         case GDK_KEY_BackSpace:
2407                 mimeview_scroll_page(mimeview, TRUE);
2408                 return TRUE;
2409         case GDK_KEY_Return:
2410         case GDK_KEY_KP_Enter:
2411                 mimeview_scroll_one_line(mimeview,
2412                                          (event->state & GDK_MOD1_MASK) != 0);
2413                 return TRUE;
2414         case GDK_KEY_y:
2415                 BREAK_ON_MODIFIER_KEY();
2416                 mimeview_save_as(mimeview);
2417                 return TRUE;
2418         case GDK_KEY_t:
2419                 BREAK_ON_MODIFIER_KEY();
2420                 mimeview_display_as_text(mimeview);
2421                 return TRUE;
2422         case GDK_KEY_l:
2423                 BREAK_ON_MODIFIER_KEY();
2424                 mimeview_launch(mimeview, NULL);
2425                 return TRUE;
2426 #ifndef G_OS_WIN32
2427         case GDK_KEY_o:
2428                 BREAK_ON_MODIFIER_KEY();
2429                 mimeview_open_with(mimeview);
2430                 return TRUE;
2431 #endif
2432         case GDK_KEY_c:
2433                 BREAK_ON_MODIFIER_KEY();
2434                 mimeview_check_signature(mimeview);
2435                 return TRUE;
2436         case GDK_KEY_a:
2437                 BREAK_ON_MODIFIER_KEY();
2438                 mimeview_select_next_part(mimeview);
2439                 return TRUE;
2440         default:
2441                 break;
2442         }
2443
2444         if (!mimeview->messageview->mainwin) return FALSE;
2445         summaryview = mimeview->messageview->mainwin->summaryview;
2446         return summary_pass_key_press_event(summaryview, event);
2447 }
2448
2449 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2450 {
2451         MimeView *mimeview = (MimeView *)data;
2452         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2453
2454         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2455                           "pop_partinfo", partinfo);
2456         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2457                        NULL, NULL, NULL, NULL,
2458                        0, gtk_get_current_event_time());
2459         return TRUE;
2460 }
2461
2462 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2463 {
2464         GtkWidget *pixmap = NULL;
2465         GtkWidget *vbox;
2466         GtkWidget *button;
2467         gchar *tip;
2468         gchar *tiptmp;
2469         const gchar *desc = NULL;
2470         gchar *sigshort = NULL;
2471         gchar *content_type;
2472         StockPixmap stockp;
2473         MimeInfo *partinfo;
2474         MimeInfo *siginfo = NULL;
2475         MimeInfo *encrypted = NULL;
2476 #ifdef GENERIC_UMPC
2477         GtkRequisition r;
2478 #endif
2479
2480         if (!prefs_common.show_inline_attachments && mimeinfo->id)
2481                 return;
2482
2483         vbox = mimeview->icon_vbox;
2484         mimeview->icon_count++;
2485         button = gtk_event_box_new();
2486
2487         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2488                          G_CALLBACK(mimeview_visi_notify), mimeview);
2489         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2490                          G_CALLBACK(mimeview_leave_notify), mimeview);
2491         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2492                          G_CALLBACK(mimeview_enter_notify), mimeview);
2493
2494         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2495         g_object_set_data(G_OBJECT(button), "icon_number",
2496                           GINT_TO_POINTER(mimeview->icon_count));
2497         g_object_set_data(G_OBJECT(button), "partinfo",
2498                           mimeinfo);
2499
2500         switch (mimeinfo->type) {
2501
2502         case MIMETYPE_TEXT:
2503                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2504                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2505                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2506                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2507                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2508                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2509                 else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2510                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2511                         stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2512                 else
2513                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2514                 break;
2515         case MIMETYPE_MESSAGE:
2516                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2517                 break;
2518         case MIMETYPE_APPLICATION:
2519                 if (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature")
2520                     || !g_ascii_strcasecmp(mimeinfo->subtype, "x-pkcs7-signature")
2521                     || !g_ascii_strcasecmp(mimeinfo->subtype, "pkcs7-signature")))
2522                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2523                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2524                         stockp = STOCK_PIXMAP_MIME_PDF;
2525                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2526                         stockp = STOCK_PIXMAP_MIME_PS;
2527                 else
2528                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2529                 break;
2530         case MIMETYPE_IMAGE:
2531                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2532                 break;
2533         case MIMETYPE_AUDIO:
2534                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2535                 break;
2536         default:
2537                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2538                 break;
2539         }
2540
2541         partinfo = mimeinfo;
2542         while (partinfo != NULL) {
2543                 if (privacy_mimeinfo_is_signed(partinfo)) {
2544                         siginfo = partinfo;
2545                         break;
2546                 }
2547                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2548                         encrypted = partinfo;
2549                         break;
2550                 }
2551                 partinfo = procmime_mimeinfo_parent(partinfo);
2552         }
2553
2554         if (siginfo != NULL) {
2555                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2556                 case SIGNATURE_UNCHECKED:
2557                 case SIGNATURE_CHECK_FAILED:
2558                 case SIGNATURE_CHECK_TIMEOUT:
2559                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2560                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2561                         break;
2562                 case SIGNATURE_OK:
2563                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2564                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2565                         break;
2566                 case SIGNATURE_WARN:
2567                 case SIGNATURE_KEY_EXPIRED:
2568                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2569                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2570                         break;
2571                 case SIGNATURE_INVALID:
2572                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2573                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2574                         break;
2575                 }
2576                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2577         } else if (encrypted != NULL) {
2578                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2579                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2580         } else {
2581                 pixmap = stock_pixmap_widget_with_overlay(stockp, 0,
2582                                                           OVERLAY_NONE, 6, 3);
2583         }
2584         gtk_container_add(GTK_CONTAINER(button), pixmap);
2585         if (!desc) {
2586                 if (prefs_common.attach_desc)
2587                         desc = get_part_description(mimeinfo);
2588                 else
2589                         desc = get_part_name(mimeinfo);
2590         }
2591
2592         content_type = procmime_get_content_type_str(mimeinfo->type,
2593                                                      mimeinfo->subtype);
2594
2595         tip = g_strconcat("<b>", _("Type:"), "  </b>", content_type,
2596                           "\n<b>", _("Size:"), " </b>",
2597                           to_human_readable((goffset)mimeinfo->length), NULL);
2598         g_free(content_type);
2599         if (desc && *desc) {
2600                 gchar *tmp = NULL, *escaped = NULL;
2601                 if (!g_utf8_validate(desc, -1, NULL)) {
2602                         tmp = conv_filename_to_utf8(desc);
2603                 } else {
2604                         tmp = g_strdup(desc);
2605                 }
2606                 escaped = g_markup_escape_text(tmp,-1);
2607
2608                 tiptmp = g_strconcat(tip, "\n<b>",
2609                                 prefs_common.attach_desc && mimeinfo->description ?
2610                                 _("Description:") : _("Filename:"),
2611                                 " </b>", escaped, NULL);
2612                 g_free(tip);
2613                 tip = tiptmp;
2614                 g_free(tmp);
2615                 g_free(escaped);
2616         }
2617         if (sigshort && *sigshort) {
2618                 tiptmp = g_strjoin("\n", tip, g_markup_escape_text(sigshort, -1), NULL);
2619                 g_free(tip);
2620                 tip = tiptmp;
2621         }
2622         g_free(sigshort);
2623
2624         gtk_widget_set_tooltip_markup(button, tip);
2625         g_free(tip);
2626         gtk_widget_show_all(button);
2627         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2628                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2629
2630         g_signal_connect(G_OBJECT(button), "popup-menu",
2631                          G_CALLBACK(icon_popup_menu), mimeview);
2632         g_signal_connect(G_OBJECT(button), "button_release_event",
2633                          G_CALLBACK(icon_clicked_cb), mimeview);
2634         g_signal_connect(G_OBJECT(button), "key_press_event",
2635                          G_CALLBACK(icon_key_pressed), mimeview);
2636         g_signal_connect(G_OBJECT(button), "drag_data_get",
2637                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2638         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2639 #ifdef GENERIC_UMPC
2640         gtk_widget_size_request(pixmap, &r);
2641         gtk_widget_set_size_request(button, -1, r.height + 4);
2642 #endif
2643
2644 }
2645
2646 static void icon_list_clear (MimeView *mimeview)
2647 {
2648         GList     *child, *orig;
2649         GtkAdjustment *adj;
2650
2651         orig = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2652         for (child = orig; child != NULL; child = g_list_next(child)) {
2653                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2654                                        GTK_WIDGET(child->data));
2655         }
2656         g_list_free(orig);
2657         mimeview->icon_count = 0;
2658         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2659         gtk_adjustment_set_value(adj, gtk_adjustment_get_lower(adj));
2660         gtk_adjustment_changed(adj);
2661 }
2662
2663 /*!
2664  *\brief        Used to 'click' the next or previous icon.
2665  *
2666  *\return       true if the icon 'number' exists and was selected.
2667  */
2668 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2669                                          GtkAllocation *size, MimeView *mimeview)
2670 {
2671         GtkAllocation vbox_size;
2672         GtkAllocation layout_size;
2673         GtkAdjustment *adj;
2674         guint width;
2675         guint height;
2676
2677         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2678
2679         gtk_widget_get_allocation(mimeview->icon_vbox, &vbox_size);
2680         gtk_widget_get_allocation(mimeview->icon_scroll, &layout_size);
2681
2682         gtk_layout_get_size(GTK_LAYOUT(mimeview->icon_scroll), &width, &height);
2683         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2684                             width,
2685                             MAX(vbox_size.height, layout_size.height));
2686         gtk_adjustment_set_step_increment(adj, 10);
2687 }
2688
2689 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2690 {
2691         GtkRequisition size;
2692         GtkRequisition requisition;
2693
2694         cm_return_if_fail(mimeinfo != NULL);
2695
2696         while (mimeinfo != NULL) {
2697                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2698                         icon_list_append_icon(mimeview, mimeinfo);
2699                 if (mimeinfo->node->children != NULL)
2700                         icon_list_create(mimeview,
2701                                 (MimeInfo *) mimeinfo->node->children->data);
2702                 mimeinfo = mimeinfo->node->next != NULL
2703                          ? (MimeInfo *) mimeinfo->node->next->data
2704                          : NULL;
2705         }
2706         gtk_widget_size_request(mimeview->icon_vbox, &size);
2707         gtk_widget_get_requisition(mimeview->icon_mainbox, &requisition);
2708         if (size.width > requisition.width) {
2709                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2710                                             size.width, -1);
2711         }
2712         if (mimeview->opened)
2713                 icon_list_toggle_by_mime_info(mimeview,
2714                         mimeview_get_node_part(mimeview, mimeview->opened));
2715 }
2716
2717 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2718                                            MimeInfo     *mimeinfo)
2719 {
2720         GList *children, *child;
2721
2722         children = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2723         for (child = children; child != NULL; child = g_list_next(child)) {
2724                 gboolean *highlight = NULL;
2725                 GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2726
2727                 if (!GTK_IS_EVENT_BOX(child->data))
2728                         continue;
2729
2730                 highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2731                 *highlight = (g_object_get_data(G_OBJECT(child->data),
2732                                       "partinfo") == (gpointer)mimeinfo);
2733
2734                 gtk_widget_queue_draw(icon);
2735         }
2736         g_list_free(children);
2737 }
2738
2739 static void ctree_size_allocate_cb(GtkWidget *widget, GtkAllocation *allocation,
2740                                     MimeView *mimeview)
2741 {
2742         prefs_common.mimeview_tree_height = allocation->height;
2743 }
2744
2745 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2746                                     MimeView *mimeview)
2747 {
2748         g_object_ref(button);
2749
2750         mimeview_leave_notify(button, NULL, NULL);
2751
2752         mimeview->ctree_mode = !mimeview->ctree_mode;
2753         if (mimeview->ctree_mode) {
2754                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_RIGHT,
2755                                         GTK_SHADOW_NONE);
2756                 gtk_widget_hide(mimeview->icon_mainbox);
2757                 gtk_widget_show(mimeview->ctree_mainbox);
2758                 gtk_paned_set_position(GTK_PANED(mimeview->paned),
2759                                         prefs_common.mimeview_tree_height);
2760
2761                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2762                                         button);
2763                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2764                                    button, FALSE, FALSE, 0);
2765         } else {
2766                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_LEFT,
2767                               GTK_SHADOW_NONE);
2768                 gtk_widget_hide(mimeview->ctree_mainbox);
2769                 gtk_widget_show(mimeview->icon_mainbox);
2770                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2771
2772                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2773                                         button);
2774                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2775                                    button, FALSE, FALSE, 0);
2776                 gtk_box_reorder_child(GTK_BOX(gtk_widget_get_parent(button)), button, 0);
2777                 if (mimeview->opened)
2778                         icon_list_toggle_by_mime_info(mimeview,
2779                                         mimeview_get_node_part(mimeview, mimeview->opened));
2780                 summary_grab_focus(mimeview->mainwin->summaryview);
2781         }
2782         g_object_unref(button);
2783         return TRUE;
2784 }
2785
2786 void mimeview_update (MimeView *mimeview)
2787 {
2788         if (mimeview && mimeview->mimeinfo) {
2789                 icon_list_clear(mimeview);
2790                 icon_list_create(mimeview, mimeview->mimeinfo);
2791         }
2792 }
2793
2794 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2795 {
2796         MessageView *msgview = NULL;
2797         MainWindow *mainwin = NULL;
2798
2799         if (!cmd)
2800                 return;
2801
2802         msgview = mimeview->messageview;
2803         if (!msgview)
2804                 return;
2805
2806         mainwin = msgview->mainwin;
2807         if (!mainwin)
2808                 return;
2809
2810         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2811                           "pop_partinfo", NULL);
2812
2813         if (!strcmp(cmd, "sc://view_log"))
2814                 log_window_show(mainwin->logwin);
2815         else if (!strcmp(cmd, "sc://save_as"))
2816                 mimeview_save_as(mimeview);
2817         else if (!strcmp(cmd, "sc://display_as_text"))
2818                 mimeview_display_as_text(mimeview);
2819 #ifndef G_OS_WIN32
2820         else if (!strcmp(cmd, "sc://open_with"))
2821                 mimeview_open_with(mimeview);
2822 #endif
2823         else if (!strcmp(cmd, "sc://open"))
2824                 mimeview_launch(mimeview, NULL);
2825         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2826                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2827                 icon_selected(mimeview, -1, (MimeInfo *)data);
2828         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2829                 mimeview_launch(mimeview, (MimeInfo *)data);
2830         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2831                 mimeview->spec_part = (MimeInfo *)data;
2832                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2833         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2834                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2835                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2836                 gtk_toggle_button_set_active(
2837                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2838                                 TRUE);
2839                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2840                                 ADVANCED_SEARCH_EXTENDED, buf);
2841                 g_free(buf);
2842         }
2843 }
2844
2845 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2846 {
2847         if (mimeview->type == MIMEVIEW_TEXT)
2848                 return textview_scroll_page(mimeview->textview, up);
2849         else if (mimeview->mimeviewer) {
2850                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2851                 if (mimeviewer->scroll_page)
2852                         return mimeviewer->scroll_page(mimeviewer, up);
2853         }
2854         return TRUE;
2855 }
2856
2857 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2858 {
2859         if (mimeview->type == MIMEVIEW_TEXT)
2860                 textview_scroll_one_line(mimeview->textview, up);
2861         else if (mimeview->mimeviewer) {
2862                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2863                 if (mimeviewer->scroll_one_line)
2864                         mimeviewer->scroll_one_line(mimeviewer, up);
2865         }
2866 }