src/mimeview.c

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