src/mimeview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 Hiroyuki Yamamoto
   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 2 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, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  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 <gdk/gdkkeysyms.h>
  28 #include <gtk/gtknotebook.h>
  29 #include <gtk/gtkscrolledwindow.h>
  30 #include <gtk/gtkctree.h>
  31 #include <gtk/gtkvbox.h>
  32 #include <gtk/gtkhbox.h>
  33 #include <gtk/gtkvpaned.h>
  34 #include <gtk/gtktext.h>
  35 #include <gtk/gtksignal.h>
  36 #include <gtk/gtkmenu.h>
  37 #include <gtk/gtkdnd.h>
  38 #include <gtk/gtkselection.h>
  39 #include <gtk/gtktooltips.h>
  40 #include <gtk/gtkcontainer.h>
  41 #include <gtk/gtkbutton.h>
  42 #include <stdio.h>
  43
  44 #ifndef HAVE_APACHE_FNMATCH
  45 /* kludge: apache's fnmatch clashes with <regex.h>, don't include
  46  * fnmatch.h */
  47 #include <fnmatch.h>
  48 #endif
  49
  50 #include "intl.h"
  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 "rfc2015.h"
  64 #include "stock_pixmap.h"
  65 #include "gtk/gtkvscrollbutton.h"
  66
  67
  68 typedef enum
  69 {
  70         COL_MIMETYPE = 0,
  71         COL_SIZE     = 1,
  72         COL_NAME     = 2
  73 } MimeViewColumnPos;
  74
  75 #define N_MIMEVIEW_COLS 3
  76
  77 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  78                                                  MimeInfo       *mimeinfo,
  79                                                  GtkCTreeNode   *parent);
  80 static GtkCTreeNode *mimeview_append_part       (MimeView       *mimeview,
  81                                                  MimeInfo       *partinfo,
  82                                                  GtkCTreeNode   *parent);
  83 static void mimeview_show_message_part          (MimeView       *mimeview,
  84                                                  MimeInfo       *partinfo);
  85 static void mimeview_change_view_type           (MimeView       *mimeview,
  86                                                  MimeViewType    type);
  87 static void mimeview_clear                      (MimeView       *mimeview);
  88
  89 static void mimeview_selected           (GtkCTree       *ctree,
  90                                          GtkCTreeNode   *node,
  91                                          gint            column,
  92                                          MimeView       *mimeview);
  93 static void mimeview_start_drag         (GtkWidget      *widget,
  94                                          gint            button,
  95                                          GdkEvent       *event,
  96                                          MimeView       *mimeview);
  97 static gint mimeview_button_pressed     (GtkWidget      *widget,
  98                                          GdkEventButton *event,
  99                                          MimeView       *mimeview);
 100 static gint mimeview_key_pressed        (GtkWidget      *widget,
 101                                          GdkEventKey    *event,
 102                                          MimeView       *mimeview);
 103
 104 static void mimeview_drag_data_get      (GtkWidget        *widget,
 105                                          GdkDragContext   *drag_context,
 106                                          GtkSelectionData *selection_data,
 107                                          guint             info,
 108                                          guint             time,
 109                                          MimeView         *mimeview);
 110
 111 static void mimeview_display_as_text    (MimeView       *mimeview);
 112 static void mimeview_save_as            (MimeView       *mimeview);
 113 static void mimeview_save_all           (MimeView       *mimeview);
 114 static void mimeview_launch             (MimeView       *mimeview);
 115 static void mimeview_open_with          (MimeView       *mimeview);
 116 static void mimeview_view_file          (const gchar    *filename,
 117                                          MimeInfo       *partinfo,
 118                                          const gchar    *cmdline);
 119 static gboolean icon_clicked_cb         (GtkWidget      *button,
 120                                          GdkEventButton *event,
 121                                          MimeView       *mimeview);
 122 static void icon_selected               (MimeView       *mimeview,
 123                                          gint            num,
 124                                          MimeInfo       *partinfo);
 125 static gint icon_key_pressed            (GtkWidget      *button,
 126                                          GdkEventKey    *event,
 127                                          MimeView       *mimeview);
 128 static void toggle_icon                 (GtkToggleButton *button,
 129                                          MimeView       *mimeview);
 130 static void icon_list_append_icon       (MimeView       *mimeview,
 131                                          MimeInfo       *mimeinfo);
 132 static void icon_list_create            (MimeView       *mimeview,
 133                                          MimeInfo       *mimeinfo);
 134 static void icon_list_clear             (MimeView       *mimeview);
 135 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 136                                            MimeInfo     *mimeinfo);
 137 static gboolean icon_list_select_by_number(MimeView     *mimeview,
 138                                            gint          number);
 139 static void mime_toggle_button_cb       (GtkWidget      *button,
 140                                          MimeView       *mimeview);
 141 static void part_button_pressed         (MimeView       *mimeview,
 142                                          GdkEventButton *event,
 143                                          MimeInfo       *partinfo);
 144 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 145                                          GtkAllocation  *layout_size,
 146                                          MimeView       *mimeview);
 147
 148 static GtkItemFactoryEntry mimeview_popup_entries[] =
 149 {
 150         {N_("/_Open"),            NULL, mimeview_launch,          0, NULL},
 151         {N_("/Open _with..."),    NULL, mimeview_open_with,       0, NULL},
 152         {N_("/_Display as text"), NULL, mimeview_display_as_text, 0, NULL},
 153         {N_("/_Save as..."),      NULL, mimeview_save_as,         0, NULL},
 154         {N_("/Save _all..."),     NULL, mimeview_save_all,        0, NULL}
 155 #if USE_GPGME
 156         ,
 157         {N_("/_Check signature"), NULL, mimeview_check_signature, 0, NULL}
 158 #endif
 159 };
 160
 161 static GtkTargetEntry mimeview_mime_types[] =
 162 {
 163         {"text/uri-list", 0, 0}
 164 };
 165
 166 GSList *mimeviewer_factories;
 167 GSList *mimeviews;
 168
 169 MimeView *mimeview_create(MainWindow *mainwin)
 170 {
 171         MimeView *mimeview;
 172
 173         GtkWidget *notebook;
 174         GtkWidget *vbox;
 175         GtkWidget *paned;
 176         GtkWidget *scrolledwin;
 177         GtkWidget *ctree;
 178         GtkWidget *mime_notebook;
 179         GtkWidget *popupmenu;
 180         GtkWidget *ctree_mainbox;
 181         GtkWidget *mime_toggle;
 182         GtkWidget *icon_mainbox;
 183         GtkWidget *icon_scroll;
 184         GtkWidget *icon_vbox;
 185         GtkWidget *arrow;
 186         GtkWidget *scrollbutton;
 187         GtkWidget *hbox;
 188         GtkTooltips *tooltips;
 189         GtkItemFactory *popupfactory;
 190         gchar *titles[N_MIMEVIEW_COLS];
 191         gint n_entries;
 192         gint i;
 193
 194         debug_print("Creating MIME view...\n");
 195         mimeview = g_new0(MimeView, 1);
 196
 197         titles[COL_MIMETYPE] = _("MIME Type");
 198         titles[COL_SIZE]     = _("Size");
 199         titles[COL_NAME]     = _("Name");
 200
 201         notebook = gtk_notebook_new();
 202         gtk_notebook_set_scrollable(GTK_NOTEBOOK(notebook), TRUE);
 203         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(notebook), FALSE);
 204         gtk_notebook_set_show_border(GTK_NOTEBOOK(notebook), FALSE);
 205
 206         vbox = gtk_vbox_new(FALSE, 0);
 207         gtk_container_add(GTK_CONTAINER(notebook), vbox);
 208
 209         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 210         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 211                                        GTK_POLICY_AUTOMATIC,
 212                                        GTK_POLICY_ALWAYS);
 213
 214         ctree = gtk_sctree_new_with_titles(N_MIMEVIEW_COLS, 0, titles);
 215         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 216         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 217         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_SIZE,
 218                                            GTK_JUSTIFY_RIGHT);
 219         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_MIMETYPE, 240);
 220         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_SIZE, 90);
 221         for (i = 0; i < N_MIMEVIEW_COLS; i++)
 222                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 223                                        GTK_CAN_FOCUS);
 224         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 225
 226         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
 227                            GTK_SIGNAL_FUNC(mimeview_selected), mimeview);
 228         gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
 229                            GTK_SIGNAL_FUNC(mimeview_button_pressed), mimeview);
 230         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
 231                            GTK_SIGNAL_FUNC(mimeview_key_pressed), mimeview);
 232         gtk_signal_connect(GTK_OBJECT (ctree),"start_drag",
 233                            GTK_SIGNAL_FUNC (mimeview_start_drag), mimeview);
 234         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_get",
 235                            GTK_SIGNAL_FUNC(mimeview_drag_data_get), mimeview);
 236
 237         mime_notebook = gtk_notebook_new();
 238         gtk_widget_show(mime_notebook);
 239         GTK_WIDGET_UNSET_FLAGS(mime_notebook, GTK_CAN_FOCUS);
 240         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 241         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 242
 243         gtk_notebook_set_page(GTK_NOTEBOOK(notebook), 0);
 244
 245         icon_vbox = gtk_vbox_new(FALSE, 2);
 246         icon_scroll = gtk_layout_new(NULL, NULL);
 247         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 248         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 249
 250         mime_toggle = gtk_toggle_button_new();
 251         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 252         gtk_widget_show(arrow);
 253         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 254         gtk_signal_connect(GTK_OBJECT(mime_toggle), "toggled",
 255                            GTK_SIGNAL_FUNC(mime_toggle_button_cb), mimeview);
 256
 257         icon_mainbox = gtk_vbox_new(FALSE, 0);
 258         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 259         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 260         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 261         gtk_signal_connect(GTK_OBJECT(icon_mainbox), "size_allocate",
 262                         GTK_SIGNAL_FUNC(icon_scroll_size_allocate_cb), mimeview);
 263
 264         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 265         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 266
 267         n_entries = sizeof(mimeview_popup_entries) /
 268                 sizeof(mimeview_popup_entries[0]);
 269         popupmenu = menu_create_items(mimeview_popup_entries, n_entries,
 270                                       "<MimeView>", &popupfactory, mimeview);
 271         tooltips = gtk_tooltips_new();
 272         gtk_tooltips_set_delay(tooltips, 0);
 273
 274         paned = gtk_vpaned_new();
 275         gtk_paned_set_gutter_size(GTK_PANED(paned), 6);
 276         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 277         gtk_paned_pack2(GTK_PANED(paned), mime_notebook, TRUE, TRUE);
 278         gtk_container_add(GTK_CONTAINER(notebook), paned);
 279
 280         hbox = gtk_hbox_new(FALSE, 0);
 281         gtk_box_pack_start(GTK_BOX(hbox), notebook, TRUE, TRUE, 0);
 282         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 283
 284         gtk_widget_show_all(hbox);
 285         gtk_widget_hide(ctree_mainbox);
 286
 287         mimeview->notebook      = notebook;
 288         mimeview->vbox          = vbox;
 289         mimeview->hbox          = hbox;
 290         mimeview->paned         = paned;
 291         mimeview->scrolledwin   = scrolledwin;
 292         mimeview->ctree         = ctree;
 293         mimeview->mime_notebook = mime_notebook;
 294         mimeview->popupmenu     = popupmenu;
 295         mimeview->popupfactory  = popupfactory;
 296         mimeview->type          = -1;
 297         mimeview->ctree_mainbox = ctree_mainbox;
 298         mimeview->icon_scroll   = icon_scroll;
 299         mimeview->icon_vbox     = icon_vbox;
 300         mimeview->icon_mainbox  = icon_mainbox;
 301         mimeview->icon_count    = 0;
 302         mimeview->mainwin       = mainwin;
 303         mimeview->tooltips      = tooltips;
 304         mimeview->oldsize       = 60;
 305         mimeview->mime_toggle   = mime_toggle;
 306
 307         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 308
 309         mimeviews = g_slist_prepend(mimeviews, mimeview);
 310
 311         return mimeview;
 312 }
 313
 314 void mimeview_init(MimeView *mimeview)
 315 {
 316         textview_init(mimeview->textview);
 317
 318         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 319                 GTK_WIDGET_PTR(mimeview->textview));
 320 }
 321
 322 /*
 323  * Check whether the message is OpenPGP signed
 324  */
 325 #if USE_GPGME
 326 static gboolean mimeview_is_signed(MimeView *mimeview)
 327 {
 328         MimeInfo *partinfo = NULL;
 329
 330         debug_print("mimeview_is signed of %p\n", mimeview);
 331
 332         if (!mimeview) return FALSE;
 333         if (!mimeview->opened) return FALSE;
 334
 335         debug_print("mimeview_is_signed: open\n" );
 336
 337         if (!mimeview->file) return FALSE;
 338
 339         debug_print("mimeview_is_signed: file\n" );
 340
 341         partinfo = gtk_ctree_node_get_row_data
 342                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 343         g_return_val_if_fail(partinfo != NULL, FALSE);
 344
 345         /* walk the tree and see whether there is a signature somewhere */
 346         do {
 347                 if (rfc2015_has_signature(partinfo))
 348                         return TRUE;
 349         } while ((partinfo = partinfo->parent) != NULL);
 350
 351         debug_print("mimeview_is_signed: FALSE\n" );
 352
 353         return FALSE;
 354 }
 355
 356 static void set_unchecked_signature(MimeInfo *mimeinfo)
 357 {
 358         MimeInfo *sig_partinfo;
 359
 360         sig_partinfo = rfc2015_find_signature(mimeinfo);
 361         if (sig_partinfo == NULL) return;
 362
 363         g_free(sig_partinfo->sigstatus);
 364         sig_partinfo->sigstatus =
 365                 g_strdup(_("Right-click here to verify the signature"));
 366
 367         g_free(sig_partinfo->sigstatus_full);
 368         sig_partinfo->sigstatus_full = NULL;
 369 }
 370 #endif /* USE_GPGME */
 371
 372 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 373                            const gchar *file)
 374 {
 375         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 376         GtkCTreeNode *node;
 377         FILE *fp;
 378
 379         mimeview_clear(mimeview);
 380         textview_clear(mimeview->messageview->textview);
 381
 382         g_return_if_fail(file != NULL);
 383         g_return_if_fail(mimeinfo != NULL);
 384
 385         mimeview->mimeinfo = mimeinfo;
 386
 387         mimeview->file = g_strdup(file);
 388
 389 #if USE_GPGME
 390         if (prefs_common.auto_check_signatures && gpg_started) {
 391                 if ((fp = fopen(file, "rb")) == NULL) {
 392                         FILE_OP_ERROR(file, "fopen");
 393                         return;
 394                 }
 395                 rfc2015_check_signature(mimeinfo, fp);
 396                 fclose(fp);
 397         } else
 398                 set_unchecked_signature(mimeinfo);
 399 #endif
 400
 401         gtk_signal_handler_block_by_func(GTK_OBJECT(ctree), mimeview_selected,
 402                                          mimeview);
 403
 404         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 405         icon_list_create(mimeview, mimeinfo);
 406
 407         gtk_signal_handler_unblock_by_func(GTK_OBJECT(ctree),
 408                                            mimeview_selected, mimeview);
 409
 410         /* search first text part */
 411         for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 412              node != NULL; node = GTK_CTREE_NODE_NEXT(node)) {
 413                 MimeInfo *partinfo;
 414
 415                 partinfo = gtk_ctree_node_get_row_data(ctree, node);
 416                 if (partinfo &&
 417                     (partinfo->mime_type == MIME_TEXT ||
 418                      partinfo->mime_type == MIME_TEXT_HTML))
 419                         break;
 420         }
 421         textview_show_message(mimeview->messageview->textview, mimeinfo, file);
 422
 423         if (!node)
 424                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 425
 426         if (node) {
 427                 gtk_ctree_select(ctree, node);
 428                 icon_list_toggle_by_mime_info
 429                         (mimeview, gtk_ctree_node_get_row_data(ctree, node));
 430                 gtkut_ctree_set_focus_row(ctree, node);
 431                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(mimeview->mime_toggle)))
 432                         gtk_widget_grab_focus(mimeview->ctree);
 433         }
 434 }
 435
 436 void mimeview_destroy(MimeView *mimeview)
 437 {
 438         GSList *cur;
 439
 440         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 441                 MimeViewer *viewer = (MimeViewer *) cur->data;
 442                 gtk_container_remove(GTK_CONTAINER(mimeview->mime_notebook),
 443                         GTK_WIDGET(viewer->get_widget(viewer)));
 444                 viewer->destroy_viewer(viewer);
 445         }
 446         g_slist_free(mimeview->viewers);
 447         gtk_target_list_unref(mimeview->target_list);
 448
 449         procmime_mimeinfo_free_all(mimeview->mimeinfo);
 450         g_free(mimeview->file);
 451         g_free(mimeview);
 452
 453         mimeviews = g_slist_remove(mimeviews, mimeview);
 454
 455 }
 456
 457 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 458 {
 459         if (gtk_notebook_get_current_page
 460                 (GTK_NOTEBOOK(mimeview->notebook)) == 0)
 461                 return NULL;
 462
 463         return gtk_ctree_node_get_row_data
 464                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 465 }
 466
 467 static void mimeview_set_multipart_tree(MimeView *mimeview,
 468                                         MimeInfo *mimeinfo,
 469                                         GtkCTreeNode *parent)
 470 {
 471         GtkCTreeNode *node;
 472
 473         g_return_if_fail(mimeinfo != NULL);
 474
 475         if (mimeinfo->children)
 476                 mimeinfo = mimeinfo->children;
 477
 478         while (mimeinfo != NULL) {
 479                 node = mimeview_append_part(mimeview, mimeinfo, parent);
 480
 481                 if (mimeinfo->children)
 482                         mimeview_set_multipart_tree(mimeview, mimeinfo, node);
 483                 else if (mimeinfo->sub &&
 484                          mimeinfo->sub->mime_type != MIME_TEXT &&
 485                          mimeinfo->sub->mime_type != MIME_TEXT_HTML)
 486                         mimeview_set_multipart_tree(mimeview, mimeinfo->sub,
 487                                                     node);
 488                 mimeinfo = mimeinfo->next;
 489         }
 490 }
 491
 492 static gchar *get_part_name(MimeInfo *partinfo)
 493 {
 494 #if USE_GPGME
 495         if (partinfo->sigstatus)
 496                 return partinfo->sigstatus;
 497         else
 498 #endif
 499         if (partinfo->name)
 500                 return partinfo->name;
 501         else if (partinfo->filename)
 502                 return partinfo->filename;
 503         else if (partinfo->description)
 504                 return partinfo->description;
 505         else
 506                 return "";
 507 }
 508
 509 static gchar *get_part_description(MimeInfo *partinfo)
 510 {
 511         if (partinfo->description)
 512                 return partinfo->description;
 513         else if (partinfo->name)
 514                 return partinfo->name;
 515         else if (partinfo->filename)
 516                 return partinfo->filename;
 517         else
 518                 return "";
 519 }
 520
 521 static GtkCTreeNode *mimeview_append_part(MimeView *mimeview,
 522                                           MimeInfo *partinfo,
 523                                           GtkCTreeNode *parent)
 524 {
 525         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 526         GtkCTreeNode *node;
 527         gchar *str[N_MIMEVIEW_COLS];
 528
 529         str[COL_MIMETYPE] =
 530                 partinfo->content_type ? partinfo->content_type : "";
 531         str[COL_SIZE] = to_human_readable(partinfo->size);
 532         if (prefs_common.attach_desc)
 533                 str[COL_NAME] = get_part_description(partinfo);
 534         else
 535                 str[COL_NAME] = get_part_name(partinfo);
 536
 537         node = gtk_ctree_insert_node(ctree, parent, NULL, str, 0,
 538                                      NULL, NULL, NULL, NULL,
 539                                      FALSE, TRUE);
 540         gtk_ctree_node_set_row_data(ctree, node, partinfo);
 541
 542         return node;
 543 }
 544
 545 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 546 {
 547         FILE *fp;
 548         const gchar *fname;
 549 #if USE_GPGME
 550         MimeInfo *pi;
 551 #endif
 552
 553         if (!partinfo) return;
 554
 555 #if USE_GPGME
 556         for (pi = partinfo; pi && !pi->plaintextfile ; pi = pi->parent)
 557                 ;
 558         fname = pi ? pi->plaintextfile : mimeview->file;
 559 #else
 560         fname = mimeview->file;
 561 #endif /* USE_GPGME */
 562         if (!fname) return;
 563
 564         if ((fp = fopen(fname, "rb")) == NULL) {
 565                 FILE_OP_ERROR(fname, "fopen");
 566                 return;
 567         }
 568
 569         if (fseek(fp, partinfo->fpos, SEEK_SET) < 0) {
 570                 FILE_OP_ERROR(mimeview->file, "fseek");
 571                 fclose(fp);
 572                 return;
 573         }
 574
 575         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 576         textview_show_part(mimeview->textview, partinfo, fp);
 577
 578         fclose(fp);
 579 }
 580
 581 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 582 {
 583         GSList *cur;
 584         MimeViewerFactory *factory = NULL;
 585         MimeViewer *viewer = NULL;
 586
 587 /*
 588  * FNM_CASEFOLD is a GNU extension
 589  * if its not defined copy the string to the stack and
 590  * convert the copy to lower case
 591  */
 592 #ifndef FNM_CASEFOLD
 593 #define FNM_CASEFOLD 0
 594         Xstrdup_a(content_type, content_type, return NULL);
 595         g_strdown((gchar *)content_type);
 596 #endif
 597
 598         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 599                 MimeViewerFactory *curfactory = cur->data;
 600                 gint i = 0;
 601
 602                 while (curfactory->content_types[i] != NULL) {
 603                         debug_print("%s\n", curfactory->content_types[i]);
 604                         if(!fnmatch(curfactory->content_types[i], content_type, FNM_CASEFOLD)) {
 605                                 factory = curfactory;
 606                                 break;
 607                         }
 608                         i++;
 609                 }
 610                 if (factory != NULL)
 611                         break;
 612         }
 613         if (factory == NULL)
 614                 return NULL;
 615
 616         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 617                 MimeViewer *curviewer = cur->data;
 618
 619                 if (curviewer->factory == factory)
 620                         return curviewer;
 621         }
 622         viewer = factory->create_viewer();
 623         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 624                 GTK_WIDGET(viewer->get_widget(viewer)));
 625
 626         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 627
 628         return viewer;
 629 }
 630
 631 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 632 {
 633         gchar *content_type = NULL;
 634         MimeViewer *viewer = NULL;
 635
 636         if ((partinfo->mime_type == MIME_APPLICATION_OCTET_STREAM) &&
 637             (partinfo->name != NULL)) {
 638                 content_type = procmime_get_mime_type(partinfo->name);
 639         } else {
 640                 content_type = g_strdup(partinfo->content_type);
 641         }
 642
 643         if (content_type != NULL) {
 644                 viewer = get_viewer_for_content_type(mimeview, content_type);
 645                 g_free(content_type);
 646         }
 647
 648         return viewer;
 649 }
 650
 651 static gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 652 {
 653         MimeViewer *viewer;
 654
 655         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 656         if (viewer == NULL) {
 657                 if (mimeview->mimeviewer != NULL)
 658                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 659                 mimeview->mimeviewer = NULL;
 660                 return FALSE;
 661         }
 662
 663         if (mimeview->mimeviewer != viewer) {
 664                 if (mimeview->mimeviewer != NULL)
 665                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 666                 mimeview->mimeviewer = viewer;
 667                 mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 668         }
 669         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 670
 671         return TRUE;
 672 }
 673
 674 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 675 {
 676         TextView  *textview  = mimeview->textview;
 677
 678         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 679             (mimeview->type == type)) return;
 680
 681         switch (type) {
 682         case MIMEVIEW_TEXT:
 683                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 684                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 685                         GTK_WIDGET_PTR(textview)));
 686                 break;
 687         case MIMEVIEW_VIEWER:
 688                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 689                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 690                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 691                 break;
 692         default:
 693                 return;
 694         }
 695
 696         mimeview->type = type;
 697 }
 698
 699 static void mimeview_clear(MimeView *mimeview)
 700 {
 701         GtkCList *clist = GTK_CLIST(mimeview->ctree);
 702
 703         procmime_mimeinfo_free_all(mimeview->mimeinfo);
 704         mimeview->mimeinfo = NULL;
 705
 706         gtk_clist_clear(clist);
 707         textview_clear(mimeview->textview);
 708         if (mimeview->mimeviewer != NULL)
 709                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 710
 711         mimeview->opened = NULL;
 712
 713         g_free(mimeview->file);
 714         mimeview->file = NULL;
 715
 716         icon_list_clear(mimeview);
 717
 718         if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(mimeview->mime_toggle)))
 719                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->notebook), 0);
 720 }
 721
 722 static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
 723                               MimeView *mimeview)
 724 {
 725         MimeInfo *partinfo;
 726
 727         if (mimeview->opened == node) return;
 728         mimeview->opened = node;
 729         gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
 730
 731         partinfo = gtk_ctree_node_get_row_data(ctree, node);
 732         if (!partinfo) return;
 733
 734         /* ungrab the mouse event */
 735         if (GTK_WIDGET_HAS_GRAB(ctree)) {
 736                 gtk_grab_remove(GTK_WIDGET(ctree));
 737                 if (gdk_pointer_is_grabbed())
 738                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
 739         }
 740
 741         mimeview->textview->default_text = FALSE;
 742
 743         if (!mimeview_show_part(mimeview, partinfo)) {
 744                 switch (partinfo->mime_type) {
 745                 case MIME_TEXT:
 746                 case MIME_TEXT_HTML:
 747                 case MIME_TEXT_ENRICHED:
 748                 case MIME_MESSAGE_RFC822:
 749                 case MIME_MULTIPART:
 750                         mimeview_show_message_part(mimeview, partinfo);
 751
 752                         break;
 753                 default:
 754                         mimeview->textview->default_text = TRUE;
 755                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 756 #if USE_GPGME
 757                         if (g_strcasecmp(partinfo->content_type,
 758                                          "application/pgp-signature") == 0)
 759                                 textview_show_signature_part(mimeview->textview,
 760                                                              partinfo);
 761                         else
 762 #endif
 763                                 textview_show_mime_part(mimeview->textview, partinfo);
 764                         break;
 765                 }
 766         }
 767 }
 768
 769 static void mimeview_start_drag(GtkWidget *widget, gint button,
 770                                 GdkEvent *event, MimeView *mimeview)
 771 {
 772         GdkDragContext *context;
 773         MimeInfo *partinfo;
 774
 775         g_return_if_fail(mimeview != NULL);
 776
 777         partinfo = mimeview_get_selected_part(mimeview);
 778         if (partinfo->filename == NULL && partinfo->name == NULL) return;
 779
 780         context = gtk_drag_begin(widget, mimeview->target_list,
 781                                  GDK_ACTION_COPY, button, event);
 782         gtk_drag_set_icon_default(context);
 783 }
 784
 785 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
 786                                     MimeView *mimeview)
 787 {
 788         GtkCList *clist = GTK_CLIST(widget);
 789         gint row, column;
 790
 791         if (!event) return FALSE;
 792
 793         if (event->button == 2 || event->button == 3) {
 794                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
 795                                                   &row, &column))
 796                         return FALSE;
 797                 gtk_clist_unselect_all(clist);
 798                 gtk_clist_select_row(clist, row, column);
 799                 gtkut_clist_set_focus_row(clist, row);
 800         }
 801         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
 802
 803         return TRUE;
 804 }
 805
 806 static void part_button_pressed(MimeView *mimeview, GdkEventButton *event,
 807                                 MimeInfo *partinfo)
 808 {
 809         if (event->button == 2 ||
 810             (event->button == 1 && event->type == GDK_2BUTTON_PRESS)) {
 811                 /* call external program for image, audio or html */
 812                 mimeview_launch(mimeview);
 813         } else if (event->button == 3) {
 814                 if (partinfo && (partinfo->mime_type == MIME_TEXT ||
 815                                  partinfo->mime_type == MIME_TEXT_HTML ||
 816                                  partinfo->mime_type == MIME_TEXT_ENRICHED ||
 817                                  partinfo->mime_type == MIME_MESSAGE_RFC822 ||
 818                                  partinfo->mime_type == MIME_IMAGE ||
 819                                  partinfo->mime_type == MIME_MULTIPART))
 820                         menu_set_sensitive(mimeview->popupfactory,
 821                                            "/Display as text", FALSE);
 822                 else
 823                         menu_set_sensitive(mimeview->popupfactory,
 824                                            "/Display as text", TRUE);
 825                 if (partinfo &&
 826                     partinfo->mime_type == MIME_APPLICATION_OCTET_STREAM)
 827                         menu_set_sensitive(mimeview->popupfactory,
 828                                            "/Open", FALSE);
 829                 else
 830                         menu_set_sensitive(mimeview->popupfactory,
 831                                            "/Open", TRUE);
 832
 833 #if USE_GPGME
 834                 menu_set_sensitive(mimeview->popupfactory,
 835                                    "/Check signature",
 836                                    mimeview_is_signed(mimeview));
 837 #endif
 838                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
 839                                     "pop_partinfo", partinfo);
 840
 841                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
 842                                NULL, NULL, NULL, NULL,
 843                                event->button, event->time);
 844         }
 845
 846 }
 847
 848
 849 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
 850 {
 851         mimeview_key_pressed(mimeview->ctree, event, mimeview);
 852 }
 853
 854 #define BREAK_ON_MODIFIER_KEY() \
 855         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
 856
 857 #define KEY_PRESS_EVENT_STOP() \
 858         if (gtk_signal_n_emissions_by_name \
 859                 (GTK_OBJECT(ctree), "key_press_event") > 0) { \
 860                 gtk_signal_emit_stop_by_name(GTK_OBJECT(ctree), \
 861                                              "key_press_event"); \
 862         }
 863
 864 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
 865                                  MimeView *mimeview)
 866 {
 867         SummaryView *summaryview;
 868         GtkCTree *ctree = GTK_CTREE(widget);
 869         GtkCTreeNode *node;
 870
 871         if (!event) return FALSE;
 872         if (!mimeview->opened) return FALSE;
 873
 874         switch (event->keyval) {
 875         case GDK_space:
 876                 if (textview_scroll_page(mimeview->textview, FALSE))
 877                         return TRUE;
 878
 879                 node = GTK_CTREE_NODE_NEXT(mimeview->opened);
 880                 if (node) {
 881                         gtk_sctree_unselect_all(GTK_SCTREE(ctree));
 882                         gtk_sctree_select(GTK_SCTREE(ctree), node);
 883                         return TRUE;
 884                 }
 885                 break;
 886         case GDK_BackSpace:
 887                 textview_scroll_page(mimeview->textview, TRUE);
 888                 return TRUE;
 889         case GDK_Return:
 890                 textview_scroll_one_line(mimeview->textview,
 891                                          (event->state & GDK_MOD1_MASK) != 0);
 892                 return TRUE;
 893         case GDK_n:
 894         case GDK_N:
 895                 BREAK_ON_MODIFIER_KEY();
 896                 if (!GTK_CTREE_NODE_NEXT(mimeview->opened)) break;
 897                 KEY_PRESS_EVENT_STOP();
 898
 899                 gtk_signal_emit_by_name(GTK_OBJECT(ctree), "scroll_vertical",
 900                                         GTK_SCROLL_STEP_FORWARD, 0.0);
 901                 return TRUE;
 902         case GDK_p:
 903         case GDK_P:
 904                 BREAK_ON_MODIFIER_KEY();
 905                 if (!GTK_CTREE_NODE_PREV(mimeview->opened)) break;
 906                 KEY_PRESS_EVENT_STOP();
 907
 908                 gtk_signal_emit_by_name(GTK_OBJECT(ctree), "scroll_vertical",
 909                                         GTK_SCROLL_STEP_BACKWARD, 0.0);
 910                 return TRUE;
 911         case GDK_y:
 912                 BREAK_ON_MODIFIER_KEY();
 913                 KEY_PRESS_EVENT_STOP();
 914                 mimeview_save_as(mimeview);
 915                 return TRUE;
 916         case GDK_t:
 917                 BREAK_ON_MODIFIER_KEY();
 918                 KEY_PRESS_EVENT_STOP();
 919                 mimeview_display_as_text(mimeview);
 920                 return TRUE;
 921         case GDK_l:
 922                 BREAK_ON_MODIFIER_KEY();
 923                 KEY_PRESS_EVENT_STOP();
 924                 mimeview_launch(mimeview);
 925                 return TRUE;
 926         default:
 927                 break;
 928         }
 929
 930         if (!mimeview->messageview->mainwin) return FALSE;
 931         summaryview = mimeview->messageview->mainwin->summaryview;
 932         summary_pass_key_press_event(summaryview, event);
 933         return TRUE;
 934 }
 935
 936 static void mimeview_drag_data_get(GtkWidget        *widget,
 937                                    GdkDragContext   *drag_context,
 938                                    GtkSelectionData *selection_data,
 939                                    guint             info,
 940                                    guint             time,
 941                                    MimeView         *mimeview)
 942 {
 943         gchar *filename, *uriname;
 944         MimeInfo *partinfo;
 945
 946         if (!mimeview->opened) return;
 947         if (!mimeview->file) return;
 948
 949         partinfo = mimeview_get_selected_part(mimeview);
 950         if (!partinfo) return;
 951         if (!partinfo->filename && !partinfo->name) return;
 952
 953         filename = partinfo->filename ? partinfo->filename : partinfo->name;
 954         filename = g_basename(filename);
 955         if (*filename == '\0') return;
 956
 957         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
 958                                filename, NULL);
 959
 960         if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
 961                 alertpanel_error
 962                         (_("Can't save the part of multipart message."));
 963
 964         uriname = g_strconcat("file:/", filename, NULL);
 965         gtk_selection_data_set(selection_data, selection_data->target, 8,
 966                                uriname, strlen(uriname));
 967
 968         g_free(uriname);
 969         g_free(filename);
 970 }
 971
 972 static void mimeview_save_all(MimeView *mimeview)
 973 {
 974         gchar *dirname;
 975         gchar *defname = NULL;
 976         MimeInfo *partinfo;
 977         MimeInfo *attachment;
 978         gchar buf[1024];
 979
 980         if (!mimeview->opened) return;
 981         if (!mimeview->file) return;
 982
 983         partinfo = mimeview_get_selected_part(mimeview);
 984         g_return_if_fail(partinfo != NULL);
 985
 986         dirname = filesel_select_file(_("Save as"), defname);
 987         if (!dirname) return;
 988
 989         /* return to first children */
 990         if (!partinfo->parent->children) return;  /* multipart container? */
 991         attachment = partinfo->parent->children->next;
 992         /* for each attachment, extract it in the selected dir. */
 993         while (attachment != NULL) {
 994                 static guint subst_cnt = 1;
 995                 gchar *attachdir;
 996                 gchar *attachname = g_strdup(get_part_name(attachment));
 997                 AlertValue aval = G_ALERTDEFAULT;
 998                 gchar *res;
 999
1000                 if (!attachname || !strlen(attachname))
1001                         attachname = g_strdup_printf("noname.%d",subst_cnt++);
1002                 subst_chars(attachname, ":?*&|<>\t\r\n", '_');
1003                 g_snprintf(buf, sizeof(buf), "%s%s",
1004                            dirname,
1005                            (attachname[0] == G_DIR_SEPARATOR)
1006                            ? &attachname[1]
1007                            : attachname);
1008                 subst_chars(buf, "/\\", G_DIR_SEPARATOR);
1009                 attachdir = g_dirname(buf);
1010                 make_dir_hier(attachdir);
1011                 g_free(attachdir);
1012
1013                 if (is_file_exist(buf)) {
1014                         res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1015                                               attachname);
1016                         aval = alertpanel(_("Overwrite"), res, _("OK"),
1017                                           _("Cancel"), NULL);
1018                         g_free(res);
1019                 }
1020                 g_free(attachname);
1021
1022                 if ((G_ALERTDEFAULT != aval) || (procmime_get_part(buf, mimeview->file, attachment) < 0))
1023                         alertpanel_error(_("Can't save the part of multipart message."));
1024                 attachment = attachment->next;
1025         }
1026 }
1027
1028 static void mimeview_display_as_text(MimeView *mimeview)
1029 {
1030         MimeInfo *partinfo;
1031
1032         if (!mimeview->opened) return;
1033
1034         partinfo = mimeview_get_selected_part(mimeview);
1035         if (!partinfo)  {
1036                 partinfo = (MimeInfo *) gtk_object_get_data
1037                         (GTK_OBJECT(mimeview->popupmenu),
1038                          "pop_partinfo");
1039                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1040                                     "pop_partinfo", NULL);
1041
1042         }
1043         g_return_if_fail(partinfo != NULL);
1044         mimeview_show_message_part(mimeview, partinfo);
1045 }
1046
1047 static void mimeview_save_as(MimeView *mimeview)
1048 {
1049         gchar *filename;
1050         gchar *defname = NULL;
1051         MimeInfo *partinfo;
1052         gchar *res;
1053
1054         if (!mimeview->opened) return;
1055         if (!mimeview->file) return;
1056
1057         partinfo = mimeview_get_selected_part(mimeview);
1058         if (!partinfo) {
1059                 partinfo = (MimeInfo *) gtk_object_get_data
1060                         (GTK_OBJECT(mimeview->popupmenu),
1061                          "pop_partinfo");
1062                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1063                                     "pop_partinfo", NULL);
1064         }
1065         g_return_if_fail(partinfo != NULL);
1066
1067         if (partinfo->filename)
1068                 defname = partinfo->filename;
1069         else if (partinfo->name) {
1070                 Xstrdup_a(defname, partinfo->name, return);
1071                 subst_for_filename(defname);
1072         }
1073
1074         filename = filesel_select_file(_("Save as"), defname);
1075         if (!filename) return;
1076         if (is_file_exist(filename)) {
1077                 AlertValue aval;
1078                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1079                                       filename);
1080                 aval = alertpanel(_("Overwrite"), res, _("OK"),
1081                                   _("Cancel"), NULL);
1082                 g_free(res);
1083                 if (G_ALERTDEFAULT != aval) return;
1084         }
1085
1086         if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
1087                 alertpanel_error
1088                         (_("Can't save the part of multipart message."));
1089 }
1090
1091 static void mimeview_launch(MimeView *mimeview)
1092 {
1093         MimeInfo *partinfo;
1094         gchar *filename;
1095
1096         if (!mimeview->opened) return;
1097         if (!mimeview->file) return;
1098
1099         partinfo = mimeview_get_selected_part(mimeview);
1100         if (!partinfo) {
1101                 partinfo = (MimeInfo *) gtk_object_get_data
1102                         (GTK_OBJECT(mimeview->popupmenu),
1103                          "pop_partinfo");
1104                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1105                                     "pop_partinfo", NULL);
1106         }
1107         g_return_if_fail(partinfo != NULL);
1108
1109         filename = procmime_get_tmp_file_name(partinfo);
1110
1111         if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
1112                 alertpanel_error
1113                         (_("Can't save the part of multipart message."));
1114         else
1115                 mimeview_view_file(filename, partinfo, NULL);
1116
1117         g_free(filename);
1118 }
1119
1120 static void mimeview_open_with(MimeView *mimeview)
1121 {
1122         MimeInfo *partinfo;
1123         gchar *filename;
1124         gchar *cmd;
1125
1126         if (!mimeview->opened) return;
1127         if (!mimeview->file) return;
1128
1129         partinfo = mimeview_get_selected_part(mimeview);
1130         if (!partinfo) {
1131                 partinfo = (MimeInfo *) gtk_object_get_data
1132                         (GTK_OBJECT(mimeview->popupmenu),
1133                          "pop_partinfo");
1134                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1135                                     "pop_partinfo", NULL);
1136         }
1137         g_return_if_fail(partinfo != NULL);
1138
1139         filename = procmime_get_tmp_file_name(partinfo);
1140
1141         if (procmime_get_part(filename, mimeview->file, partinfo) < 0) {
1142                 alertpanel_error
1143                         (_("Can't save the part of multipart message."));
1144                 g_free(filename);
1145                 return;
1146         }
1147
1148         if (!prefs_common.mime_open_cmd_history)
1149                 prefs_common.mime_open_cmd_history =
1150                         add_history(NULL, prefs_common.mime_open_cmd);
1151
1152         cmd = input_dialog_combo
1153                 (_("Open with"),
1154                  _("Enter the command line to open file:\n"
1155                    "(`%s' will be replaced with file name)"),
1156                  prefs_common.mime_open_cmd,
1157                  prefs_common.mime_open_cmd_history,
1158                  TRUE);
1159         if (cmd) {
1160                 mimeview_view_file(filename, partinfo, cmd);
1161                 g_free(prefs_common.mime_open_cmd);
1162                 prefs_common.mime_open_cmd = cmd;
1163                 prefs_common.mime_open_cmd_history =
1164                         add_history(prefs_common.mime_open_cmd_history, cmd);
1165         }
1166
1167         g_free(filename);
1168 }
1169
1170 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1171                                const gchar *cmdline)
1172 {
1173         static gchar *default_image_cmdline = "display '%s'";
1174         static gchar *default_audio_cmdline = "play '%s'";
1175         static gchar *default_html_cmdline = DEFAULT_BROWSER_CMD;
1176         static gchar *mime_cmdline = "metamail -d -b -x -c %s '%s'";
1177         gchar buf[1024];
1178         gchar m_buf[1024];
1179         const gchar *cmd;
1180         const gchar *def_cmd;
1181         const gchar *p;
1182
1183         if (cmdline) {
1184                 cmd = cmdline;
1185                 def_cmd = NULL;
1186         } else if (MIME_APPLICATION_OCTET_STREAM == partinfo->mime_type) {
1187                 return;
1188         } else if (MIME_IMAGE == partinfo->mime_type) {
1189                 cmd = prefs_common.mime_image_viewer;
1190                 def_cmd = default_image_cmdline;
1191         } else if (MIME_AUDIO == partinfo->mime_type) {
1192                 cmd = prefs_common.mime_audio_player;
1193                 def_cmd = default_audio_cmdline;
1194         } else if (MIME_TEXT_HTML == partinfo->mime_type) {
1195                 cmd = prefs_common.uri_cmd;
1196                 def_cmd = default_html_cmdline;
1197         } else {
1198                 g_snprintf(m_buf, sizeof(m_buf), mime_cmdline,
1199                            partinfo->content_type, "%s");
1200                 cmd = m_buf;
1201                 def_cmd = NULL;
1202         }
1203
1204         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
1205             !strchr(p + 2, '%'))
1206                 g_snprintf(buf, sizeof(buf), cmd, filename);
1207         else {
1208                 if (cmd)
1209                         g_warning("MIME viewer command line is invalid: `%s'", cmd);
1210                 if (def_cmd)
1211                         g_snprintf(buf, sizeof(buf), def_cmd, filename);
1212                 else
1213                         return;
1214         }
1215
1216         execute_command_line(buf, TRUE);
1217 }
1218
1219 #if USE_GPGME
1220 static void update_node_name(GtkCTree *ctree, GtkCTreeNode *node,
1221                              gpointer data)
1222 {
1223         MimeInfo *partinfo;
1224         gchar *part_name;
1225
1226         partinfo = gtk_ctree_node_get_row_data(ctree, node);
1227         g_return_if_fail(partinfo != NULL);
1228
1229         part_name = get_part_name(partinfo);
1230         gtk_ctree_node_set_text(ctree, node, COL_NAME, part_name);
1231 }
1232
1233 static void mimeview_update_names(MimeView *mimeview)
1234 {
1235         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
1236
1237         gtk_ctree_pre_recursive(ctree, NULL, update_node_name, NULL);
1238 }
1239
1240 static void mimeview_update_signature_info(MimeView *mimeview)
1241 {
1242         MimeInfo *partinfo;
1243
1244         if (!mimeview) return;
1245         if (!mimeview->opened) return;
1246
1247         partinfo = mimeview_get_selected_part(mimeview);
1248         if (!partinfo) return;
1249
1250         if (g_strcasecmp(partinfo->content_type,
1251                          "application/pgp-signature") == 0) {
1252                 mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1253                 textview_show_signature_part(mimeview->textview, partinfo);
1254         }
1255 }
1256
1257 void mimeview_check_signature(MimeView *mimeview)
1258 {
1259         MimeInfo *mimeinfo;
1260         FILE *fp;
1261
1262         g_return_if_fail (mimeview_is_signed(mimeview));
1263         g_return_if_fail (gpg_started);
1264
1265         mimeinfo = gtk_ctree_node_get_row_data
1266                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
1267         g_return_if_fail(mimeinfo != NULL);
1268         g_return_if_fail(mimeview->file != NULL);
1269
1270         while (mimeinfo->parent)
1271                 mimeinfo = mimeinfo->parent;
1272
1273         if ((fp = fopen(mimeview->file, "rb")) == NULL) {
1274                 FILE_OP_ERROR(mimeview->file, "fopen");
1275                 return;
1276         }
1277
1278         rfc2015_check_signature(mimeinfo, fp);
1279         fclose(fp);
1280
1281         mimeview_update_names(mimeview);
1282         mimeview_update_signature_info(mimeview);
1283
1284         textview_show_message(mimeview->messageview->textview, mimeinfo,
1285                               mimeview->file);
1286
1287         mimeview_update(mimeview);
1288 }
1289 #endif /* USE_GPGME */
1290
1291 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
1292 {
1293         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
1294 }
1295
1296 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
1297 {
1298         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
1299 }
1300
1301 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
1302 {
1303         GSList *mimeview_list, *viewer_list;
1304
1305         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
1306                 MimeView *mimeview = (MimeView *) mimeview_list->data;
1307
1308                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
1309                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1310                         mimeview->mimeviewer = NULL;
1311                 }
1312
1313                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
1314                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
1315
1316                         mimeviewer->destroy_viewer(mimeviewer);
1317                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
1318                 }
1319         }
1320
1321         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
1322 }
1323
1324 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
1325 {
1326         gint      num;
1327         MimeInfo *partinfo;
1328
1329         num      = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "icon_number"));
1330         partinfo = gtk_object_get_data(GTK_OBJECT(button), "partinfo");
1331         if (event->button == 1) {
1332                 icon_selected(mimeview, num, partinfo);
1333                 gtk_widget_grab_focus(button);
1334
1335                 if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button)))
1336                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1337                 else
1338                         gtk_signal_emit_stop_by_name(GTK_OBJECT(button), "button_press_event");
1339         }
1340
1341         part_button_pressed(mimeview, event, partinfo);
1342
1343         return TRUE;
1344 }
1345
1346 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
1347 {
1348         if (num == 1 && (partinfo->mime_type == MIME_TEXT ||
1349                          partinfo->mime_type == MIME_TEXT_HTML))  {
1350                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->notebook), 0);
1351                 /* don't set the ctree, as it will unload the plugin, and
1352                  * we want to be able to switch quickly between the text
1353                  * part and the attachment */
1354         } else {
1355                 GtkCTreeNode *node;
1356                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->notebook), 1);
1357                 node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
1358                 if (node)
1359                         gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
1360         }
1361 }
1362
1363 #undef  KEY_PRESS_EVENT_STOP
1364 #define KEY_PRESS_EVENT_STOP() \
1365         if (gtk_signal_n_emissions_by_name \
1366                 (GTK_OBJECT(button), "key_press_event") > 0) { \
1367                 gtk_signal_emit_stop_by_name(GTK_OBJECT(button), \
1368                                              "key_press_event"); \
1369         }
1370 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
1371                              MimeView *mimeview)
1372 {
1373         gint          num;
1374         MimeInfo     *partinfo;
1375         SummaryView  *summaryview;
1376         TextView     *textview;
1377
1378         num      = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "icon_number"));
1379         partinfo = gtk_object_get_data(GTK_OBJECT(button), "partinfo");
1380
1381         if (!event) return FALSE;
1382
1383         if (gtk_notebook_get_current_page(GTK_NOTEBOOK(mimeview->notebook)) == 0)
1384                 textview = mimeview->messageview->textview;
1385         else
1386                 textview = mimeview->textview;
1387
1388         switch (event->keyval) {
1389         case GDK_space:
1390                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1391                         /* stop the button being untoggled */
1392                         KEY_PRESS_EVENT_STOP();
1393                         if (textview_scroll_page(textview, FALSE))
1394                                 return TRUE;
1395
1396                         if (icon_list_select_by_number(mimeview, num + 1))
1397                                 return TRUE;
1398                 } else {
1399                         icon_selected(mimeview, num, partinfo);
1400                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1401                         return TRUE;
1402                 }
1403
1404                 break;
1405         case GDK_BackSpace:
1406                 textview_scroll_page(textview, TRUE);
1407                 return TRUE;
1408         case GDK_Return:
1409                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1410                         KEY_PRESS_EVENT_STOP();
1411                         textview_scroll_one_line(textview,
1412                                                  (event->state & GDK_MOD1_MASK) != 0);
1413                         return TRUE;
1414                 } else {
1415                         icon_selected(mimeview, num, partinfo);
1416                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1417                         return TRUE;
1418                 }
1419
1420         case GDK_n:
1421         case GDK_N:
1422                 BREAK_ON_MODIFIER_KEY();
1423                 if (icon_list_select_by_number(mimeview, num + 1))
1424                         KEY_PRESS_EVENT_STOP();
1425                         return TRUE;
1426                 break;
1427
1428         case GDK_p:
1429         case GDK_P:
1430                 BREAK_ON_MODIFIER_KEY();
1431                 if (icon_list_select_by_number(mimeview, num - 1))
1432                         KEY_PRESS_EVENT_STOP();
1433                         return TRUE;
1434                 break;
1435
1436         case GDK_y:
1437                 BREAK_ON_MODIFIER_KEY();
1438                 if (gtk_notebook_get_current_page(GTK_NOTEBOOK(mimeview->notebook)) == 0)
1439                         break;
1440                 KEY_PRESS_EVENT_STOP();
1441                 mimeview_save_as(mimeview);
1442                 return TRUE;
1443         case GDK_t:
1444                 BREAK_ON_MODIFIER_KEY();
1445                 if (gtk_notebook_get_current_page(GTK_NOTEBOOK(mimeview->notebook)) == 0)
1446                         break;
1447                 KEY_PRESS_EVENT_STOP();
1448                 mimeview_display_as_text(mimeview);
1449                 return TRUE;
1450         case GDK_l:
1451                 BREAK_ON_MODIFIER_KEY();
1452                 if (gtk_notebook_get_current_page(GTK_NOTEBOOK(mimeview->notebook)) == 0)
1453                         break;
1454                 KEY_PRESS_EVENT_STOP();
1455                 mimeview_launch(mimeview);
1456                 return TRUE;
1457         default:
1458                 break;
1459         }
1460
1461         if (!mimeview->messageview->mainwin) return FALSE;
1462         summaryview = mimeview->messageview->mainwin->summaryview;
1463         summary_pass_key_press_event(summaryview, event);
1464         return TRUE;
1465 }
1466
1467 static void toggle_icon(GtkToggleButton *button, MimeView *mimeview)
1468 {
1469         GList *child;
1470
1471         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1472         for (; child != NULL; child = g_list_next(child)) {
1473                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1474                     GTK_TOGGLE_BUTTON(child->data) != button &&
1475                     gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(child->data)))
1476                         gtk_toggle_button_set_active
1477                                 (GTK_TOGGLE_BUTTON(child->data),
1478                                  FALSE);
1479         }
1480 }
1481
1482 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
1483 {
1484         GtkWidget *pixmap;
1485         GtkWidget *vbox;
1486         GtkWidget *button;
1487         gchar *tip;
1488         gchar *desc = NULL;
1489         StockPixmap stockp;
1490
1491         vbox = mimeview->icon_vbox;
1492         mimeview->icon_count++;
1493         button = gtk_toggle_button_new();
1494         gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
1495         gtk_object_set_data(GTK_OBJECT(button), "icon_number",
1496                 GINT_TO_POINTER(mimeview->icon_count));
1497         gtk_object_set_data(GTK_OBJECT(button), "partinfo",
1498                 mimeinfo);
1499
1500         switch (mimeinfo->mime_type) {
1501
1502         case MIME_TEXT:
1503         case MIME_MESSAGE_RFC822:
1504                 stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
1505                 break;
1506         case MIME_TEXT_HTML:
1507                 stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
1508                 break;
1509         case MIME_APPLICATION:
1510 #ifdef USE_GPGME
1511                 if (mimeinfo->content_type
1512                         &&  g_strcasecmp(mimeinfo->content_type,
1513                                          "application/pgp-signature")  == 0) {
1514                         if (mimeinfo->sigstatus_full) {
1515                                 desc = mimeinfo->sigstatus;
1516                                 if (mimeinfo->sig_ok)
1517                                         stockp = STOCK_PIXMAP_MIME_GPG_PASSED;
1518                                 else if (mimeinfo->sig_unknown)
1519                                         stockp = STOCK_PIXMAP_MIME_GPG_UNKNOWN;
1520                                 else if (mimeinfo->sig_expired
1521                                          || mimeinfo->key_expired)
1522                                         stockp = STOCK_PIXMAP_MIME_GPG_EXPIRED;
1523                                 else
1524                                         stockp = STOCK_PIXMAP_MIME_GPG_FAILED;
1525                         } else
1526                                 stockp = STOCK_PIXMAP_MIME_GPG_SIGNED;
1527                 } else
1528 #endif
1529                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
1530                 break;
1531         case MIME_APPLICATION_OCTET_STREAM:
1532                 stockp = STOCK_PIXMAP_MIME_APPLICATION_OCTET_STREAM;
1533                 break;
1534         case MIME_IMAGE:
1535                 stockp = STOCK_PIXMAP_MIME_IMAGE;
1536                 break;
1537         case MIME_AUDIO:
1538                 stockp = STOCK_PIXMAP_MIME_AUDIO;
1539                 break;
1540         case MIME_TEXT_ENRICHED:
1541                 stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
1542                 break;
1543         default:
1544                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
1545                 break;
1546         }
1547
1548         pixmap = stock_pixmap_widget(mimeview->mainwin->window, stockp);
1549         gtk_container_add(GTK_CONTAINER(button), pixmap);
1550
1551         if (!desc) {
1552                 if (prefs_common.attach_desc)
1553                         desc = get_part_description(mimeinfo);
1554                 else
1555                         desc = get_part_name(mimeinfo);
1556         }
1557         if (desc && *desc)
1558                 tip = g_strdup_printf("%s\n%s\n%s", desc, mimeinfo->content_type,
1559                                 to_human_readable(mimeinfo->size));
1560         else
1561                 tip = g_strdup_printf("%s\n%s", mimeinfo->content_type,
1562                                 to_human_readable(mimeinfo->size));
1563
1564         gtk_tooltips_set_tip(mimeview->tooltips, button, tip, NULL);
1565         g_free(tip);
1566         gtk_widget_show_all(button);
1567         gtk_signal_connect(GTK_OBJECT(button), "button_press_event",
1568                            GTK_SIGNAL_FUNC(icon_clicked_cb), mimeview);
1569         gtk_signal_connect(GTK_OBJECT(button), "key_press_event",
1570                            GTK_SIGNAL_FUNC(icon_key_pressed), mimeview);
1571         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
1572
1573 }
1574
1575 static void icon_list_clear (MimeView *mimeview)
1576 {
1577         GList     *child;
1578         GtkAdjustment *adj;
1579
1580         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1581         for (; child != NULL; child = g_list_next(child)) {
1582                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
1583                                        GTK_WIDGET(child->data));
1584         }
1585         mimeview->icon_count = 0;
1586         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1587         adj->value = adj->lower;
1588         gtk_signal_emit_by_name(GTK_OBJECT (adj), "value_changed");
1589 }
1590
1591 static void icon_list_toggle_by_mime_info(MimeView      *mimeview,
1592                                           MimeInfo      *mimeinfo)
1593 {
1594         GList *child;
1595
1596         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1597         for (; child != NULL; child = g_list_next(child)) {
1598                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1599                     gtk_object_get_data(GTK_OBJECT(child->data),
1600                                         "partinfo") == (gpointer)mimeinfo) {
1601                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1602                         gtk_toggle_button_set_active
1603                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1604                 }
1605         }
1606 }
1607
1608 /*!
1609  *\brief        Used to 'click' the next or previous icon.
1610  *
1611  *\return       true if the icon 'number' exists and was selected.
1612  */
1613 static gboolean icon_list_select_by_number(MimeView     *mimeview,
1614                                            gint          number)
1615 {
1616         GList *child;
1617
1618         if (number == 0) return FALSE;
1619         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1620         for (; child != NULL; child = g_list_next(child)) {
1621                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1622                     GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(child->data),
1623                                         "icon_number")) == number) {
1624                         icon_selected(mimeview, number,
1625                                       (MimeInfo*)gtk_object_get_data(GTK_OBJECT(child->data),
1626                                                                      "partinfo"));
1627                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1628                         gtk_toggle_button_set_active
1629                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1630                         gtk_widget_grab_focus(GTK_WIDGET(child->data));
1631
1632                         return TRUE;
1633                 }
1634         }
1635         return FALSE;
1636 }
1637
1638 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
1639                                         GtkAllocation *size, MimeView *mimeview)
1640 {
1641         GtkAllocation *mainbox_size;
1642         GtkAllocation *vbox_size;
1643         GtkAllocation *layout_size;
1644         GtkAdjustment *adj;
1645
1646         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1647
1648         mainbox_size = &mimeview->icon_mainbox->allocation;
1649         vbox_size = &mimeview->icon_vbox->allocation;
1650         layout_size = &mimeview->icon_scroll->allocation;
1651
1652         /* centralise the vbox */
1653         gtk_layout_move(GTK_LAYOUT(mimeview->icon_scroll), mimeview->icon_vbox,
1654                         (mainbox_size->width - vbox_size->width)/2, 0);
1655
1656         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
1657                             GTK_LAYOUT(mimeview->icon_scroll)->width,
1658                             MAX(vbox_size->height, layout_size->height));
1659         adj->step_increment = 5;
1660 }
1661
1662 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
1663 {
1664         GtkRequisition size;
1665         gint           width;
1666         g_return_if_fail(mimeinfo != NULL);
1667
1668         if (mimeinfo->children)
1669                 mimeinfo = mimeinfo->children;
1670
1671         while (mimeinfo != NULL) {
1672                 if (mimeinfo->children)
1673                         icon_list_create(mimeview, mimeinfo);
1674                 else if (mimeinfo->sub &&
1675                          mimeinfo->sub->mime_type != MIME_TEXT &&
1676                          mimeinfo->sub->mime_type != MIME_TEXT_HTML)
1677                         icon_list_create(mimeview, mimeinfo->sub);
1678                 else
1679                         icon_list_append_icon(mimeview, mimeinfo);
1680                 mimeinfo = mimeinfo->next;
1681         }
1682         gtk_widget_size_request(mimeview->icon_vbox, &size);
1683         width = size.width + 4;
1684         if (width > mimeview->icon_mainbox->requisition.width) {
1685                 gtk_widget_set_usize(mimeview->icon_mainbox,
1686                                      width, -1);
1687         }
1688
1689 }
1690
1691 static void mime_toggle_button_cb (GtkWidget *button, MimeView *mimeview)
1692 {
1693         gtk_widget_ref(button);
1694
1695         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1696                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT,
1697                                         GTK_SHADOW_NONE);
1698                 gtk_widget_hide(mimeview->icon_mainbox);
1699                 gtk_widget_show(mimeview->ctree_mainbox);
1700                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
1701
1702                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
1703                                         button);
1704                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
1705                                    button, FALSE, FALSE, 0);
1706                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->notebook), 1);
1707         } else {
1708                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT,
1709                               GTK_SHADOW_NONE);
1710                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
1711                 gtk_widget_hide(mimeview->ctree_mainbox);
1712                 gtk_widget_show(mimeview->icon_mainbox);
1713                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
1714
1715                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
1716                                         button);
1717                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
1718                                    button, FALSE, FALSE, 0);
1719                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
1720                 if (mimeview->opened)
1721                         icon_list_toggle_by_mime_info
1722                                 (mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree),
1723                                                                        mimeview->opened));
1724
1725         }
1726         gtk_widget_grab_focus(button);
1727         gtk_widget_unref(button);
1728
1729 }
1730
1731 void mimeview_update (MimeView *mimeview) {
1732         if (mimeview && mimeview->mimeinfo) {
1733                 icon_list_clear(mimeview);
1734                 icon_list_create(mimeview, mimeview->mimeinfo);
1735         }
1736 }