src/mimeview.c

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