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 gboolean 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         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 227                          G_CALLBACK(mimeview_selected), mimeview);
 228         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 229                          G_CALLBACK(mimeview_button_pressed), mimeview);
 230         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 231                          G_CALLBACK(mimeview_key_pressed), mimeview);
 232         g_signal_connect(G_OBJECT (ctree),"start_drag",
 233                          G_CALLBACK (mimeview_start_drag), mimeview);
 234         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 235                          G_CALLBACK(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_current_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         g_signal_connect(G_OBJECT(mime_toggle), "toggled",
 255                          G_CALLBACK(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         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 262                          G_CALLBACK(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         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 402                                         mimeview);
 403
 404         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 405         icon_list_create(mimeview, mimeinfo);
 406
 407         g_signal_handlers_unblock_by_func(G_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 #warning FIXME_GTK2 Is it correct?
 672         return FALSE;
 673 }
 674
 675 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 676 {
 677         TextView  *textview  = mimeview->textview;
 678
 679         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 680             (mimeview->type == type)) return;
 681
 682         switch (type) {
 683         case MIMEVIEW_TEXT:
 684                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 685                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 686                         GTK_WIDGET_PTR(textview)));
 687                 break;
 688         case MIMEVIEW_VIEWER:
 689                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 690                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 691                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 692                 break;
 693         default:
 694                 return;
 695         }
 696
 697         mimeview->type = type;
 698 }
 699
 700 static void mimeview_clear(MimeView *mimeview)
 701 {
 702         GtkCList *clist = GTK_CLIST(mimeview->ctree);
 703
 704         procmime_mimeinfo_free_all(mimeview->mimeinfo);
 705         mimeview->mimeinfo = NULL;
 706
 707         gtk_clist_clear(clist);
 708         textview_clear(mimeview->textview);
 709         if (mimeview->mimeviewer != NULL)
 710                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 711
 712         mimeview->opened = NULL;
 713
 714         g_free(mimeview->file);
 715         mimeview->file = NULL;
 716
 717         icon_list_clear(mimeview);
 718
 719         if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(mimeview->mime_toggle)))
 720                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->notebook), 0);
 721 }
 722
 723 static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
 724                               MimeView *mimeview)
 725 {
 726         MimeInfo *partinfo;
 727
 728         if (mimeview->opened == node) return;
 729         mimeview->opened = node;
 730         gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
 731
 732         partinfo = gtk_ctree_node_get_row_data(ctree, node);
 733         if (!partinfo) return;
 734
 735         /* ungrab the mouse event */
 736         if (GTK_WIDGET_HAS_GRAB(ctree)) {
 737                 gtk_grab_remove(GTK_WIDGET(ctree));
 738                 if (gdk_pointer_is_grabbed())
 739                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
 740         }
 741
 742         mimeview->textview->default_text = FALSE;
 743
 744         if (!mimeview_show_part(mimeview, partinfo)) {
 745                 switch (partinfo->mime_type) {
 746                 case MIME_TEXT:
 747                 case MIME_TEXT_HTML:
 748                 case MIME_TEXT_ENRICHED:
 749                 case MIME_MESSAGE_RFC822:
 750                 case MIME_MULTIPART:
 751                         mimeview_show_message_part(mimeview, partinfo);
 752
 753                         break;
 754                 default:
 755                         mimeview->textview->default_text = TRUE;
 756                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 757 #if USE_GPGME
 758                         if (g_strcasecmp(partinfo->content_type,
 759                                          "application/pgp-signature") == 0)
 760                                 textview_show_signature_part(mimeview->textview,
 761                                                              partinfo);
 762                         else
 763 #endif
 764                                 textview_show_mime_part(mimeview->textview, partinfo);
 765                         break;
 766                 }
 767         }
 768 }
 769
 770 static void mimeview_start_drag(GtkWidget *widget, gint button,
 771                                 GdkEvent *event, MimeView *mimeview)
 772 {
 773         GdkDragContext *context;
 774         MimeInfo *partinfo;
 775
 776         g_return_if_fail(mimeview != NULL);
 777
 778         partinfo = mimeview_get_selected_part(mimeview);
 779         if (partinfo->filename == NULL && partinfo->name == NULL) return;
 780
 781         context = gtk_drag_begin(widget, mimeview->target_list,
 782                                  GDK_ACTION_COPY, button, event);
 783         gtk_drag_set_icon_default(context);
 784 }
 785
 786 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
 787                                     MimeView *mimeview)
 788 {
 789         GtkCList *clist = GTK_CLIST(widget);
 790         gint row, column;
 791
 792         if (!event) return FALSE;
 793
 794         if (event->button == 2 || event->button == 3) {
 795                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
 796                                                   &row, &column))
 797                         return FALSE;
 798                 gtk_clist_unselect_all(clist);
 799                 gtk_clist_select_row(clist, row, column);
 800                 gtkut_clist_set_focus_row(clist, row);
 801         }
 802         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
 803
 804         return TRUE;
 805 }
 806
 807 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
 808                                     MimeInfo *partinfo)
 809 {
 810         if (event->button == 2 ||
 811             (event->button == 1 && event->type == GDK_2BUTTON_PRESS)) {
 812                 /* call external program for image, audio or html */
 813                 mimeview_launch(mimeview);
 814                 return TRUE;
 815         } else if (event->button == 3) {
 816                 if (partinfo && (partinfo->mime_type == MIME_TEXT ||
 817                                  partinfo->mime_type == MIME_TEXT_HTML ||
 818                                  partinfo->mime_type == MIME_TEXT_ENRICHED ||
 819                                  partinfo->mime_type == MIME_MESSAGE_RFC822 ||
 820                                  partinfo->mime_type == MIME_IMAGE ||
 821                                  partinfo->mime_type == MIME_MULTIPART))
 822                         menu_set_sensitive(mimeview->popupfactory,
 823                                            "/Display as text", FALSE);
 824                 else
 825                         menu_set_sensitive(mimeview->popupfactory,
 826                                            "/Display as text", TRUE);
 827                 if (partinfo &&
 828                     partinfo->mime_type == MIME_APPLICATION_OCTET_STREAM)
 829                         menu_set_sensitive(mimeview->popupfactory,
 830                                            "/Open", FALSE);
 831                 else
 832                         menu_set_sensitive(mimeview->popupfactory,
 833                                            "/Open", TRUE);
 834
 835 #if USE_GPGME
 836                 menu_set_sensitive(mimeview->popupfactory,
 837                                    "/Check signature",
 838                                    mimeview_is_signed(mimeview));
 839 #endif
 840                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
 841                                     "pop_partinfo", partinfo);
 842
 843                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
 844                                NULL, NULL, NULL, NULL,
 845                                event->button, event->time);
 846                 return TRUE;
 847         }
 848
 849         return FALSE;
 850 }
 851
 852
 853 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
 854 {
 855         mimeview_key_pressed(mimeview->ctree, event, mimeview);
 856 }
 857
 858 #define BREAK_ON_MODIFIER_KEY() \
 859         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
 860
 861 #warning FIXME_GTK2
 862 #if 0
 863 #define KEY_PRESS_EVENT_STOP() \
 864         if (gtk_signal_n_emissions_by_name \
 865                 (GTK_OBJECT(ctree), "key_press_event") > 0) { \
 866                 gtk_signal_emit_stop_by_name(GTK_OBJECT(ctree), \
 867                                              "key_press_event"); \
 868         }
 869 #else
 870 #define KEY_PRESS_EVENT_STOP()
 871 #endif
 872
 873 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
 874                                  MimeView *mimeview)
 875 {
 876         SummaryView *summaryview;
 877         GtkCTree *ctree = GTK_CTREE(widget);
 878         GtkCTreeNode *node;
 879
 880         if (!event) return FALSE;
 881         if (!mimeview->opened) return FALSE;
 882
 883         switch (event->keyval) {
 884         case GDK_space:
 885                 if (textview_scroll_page(mimeview->textview, FALSE))
 886                         return TRUE;
 887
 888                 node = GTK_CTREE_NODE_NEXT(mimeview->opened);
 889                 if (node) {
 890                         gtk_sctree_unselect_all(GTK_SCTREE(ctree));
 891                         gtk_sctree_select(GTK_SCTREE(ctree), node);
 892                         return TRUE;
 893                 }
 894                 break;
 895         case GDK_BackSpace:
 896                 textview_scroll_page(mimeview->textview, TRUE);
 897                 return TRUE;
 898         case GDK_Return:
 899                 textview_scroll_one_line(mimeview->textview,
 900                                          (event->state & GDK_MOD1_MASK) != 0);
 901                 return TRUE;
 902         case GDK_n:
 903         case GDK_N:
 904                 BREAK_ON_MODIFIER_KEY();
 905                 if (!GTK_CTREE_NODE_NEXT(mimeview->opened)) break;
 906                 KEY_PRESS_EVENT_STOP();
 907                 g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical",
 908                                         GTK_SCROLL_STEP_FORWARD, 0.0);
 909                 return TRUE;
 910         case GDK_p:
 911         case GDK_P:
 912                 BREAK_ON_MODIFIER_KEY();
 913                 if (!GTK_CTREE_NODE_PREV(mimeview->opened)) break;
 914                 KEY_PRESS_EVENT_STOP();
 915                 g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical",
 916                                         GTK_SCROLL_STEP_BACKWARD, 0.0);
 917                 return TRUE;
 918         case GDK_y:
 919                 BREAK_ON_MODIFIER_KEY();
 920                 KEY_PRESS_EVENT_STOP();
 921                 mimeview_save_as(mimeview);
 922                 return TRUE;
 923         case GDK_t:
 924                 BREAK_ON_MODIFIER_KEY();
 925                 KEY_PRESS_EVENT_STOP();
 926                 mimeview_display_as_text(mimeview);
 927                 return TRUE;
 928         case GDK_l:
 929                 BREAK_ON_MODIFIER_KEY();
 930                 KEY_PRESS_EVENT_STOP();
 931                 mimeview_launch(mimeview);
 932                 return TRUE;
 933         default:
 934                 break;
 935         }
 936
 937         if (!mimeview->messageview->mainwin) return FALSE;
 938         summaryview = mimeview->messageview->mainwin->summaryview;
 939         summary_pass_key_press_event(summaryview, event);
 940         return TRUE;
 941 }
 942
 943 static void mimeview_drag_data_get(GtkWidget        *widget,
 944                                    GdkDragContext   *drag_context,
 945                                    GtkSelectionData *selection_data,
 946                                    guint             info,
 947                                    guint             time,
 948                                    MimeView         *mimeview)
 949 {
 950         gchar *filename, *uriname;
 951         const gchar *bname;
 952         MimeInfo *partinfo;
 953
 954         if (!mimeview->opened) return;
 955         if (!mimeview->file) return;
 956
 957         partinfo = mimeview_get_selected_part(mimeview);
 958         if (!partinfo) return;
 959         if (!partinfo->filename && !partinfo->name) return;
 960
 961         filename = partinfo->filename ? partinfo->filename : partinfo->name;
 962         bname = g_basename(filename);
 963         if (*bname == '\0') return;
 964
 965         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
 966                                bname, NULL);
 967
 968         if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
 969                 alertpanel_error
 970                         (_("Can't save the part of multipart message."));
 971
 972         uriname = g_strconcat("file:/", filename, NULL);
 973         gtk_selection_data_set(selection_data, selection_data->target, 8,
 974                                uriname, strlen(uriname));
 975
 976         g_free(uriname);
 977         g_free(filename);
 978 }
 979
 980 static void mimeview_save_all(MimeView *mimeview)
 981 {
 982         gchar *dirname;
 983         gchar *defname = NULL;
 984         MimeInfo *partinfo;
 985         MimeInfo *attachment;
 986         gchar buf[1024];
 987
 988         if (!mimeview->opened) return;
 989         if (!mimeview->file) return;
 990
 991         partinfo = mimeview_get_selected_part(mimeview);
 992         g_return_if_fail(partinfo != NULL);
 993
 994         dirname = filesel_select_file(_("Save as"), defname);
 995         if (!dirname) return;
 996
 997         /* return to first children */
 998         if (!partinfo->parent->children) return;  /* multipart container? */
 999         attachment = partinfo->parent->children->next;
1000         /* for each attachment, extract it in the selected dir. */
1001         while (attachment != NULL) {
1002                 static guint subst_cnt = 1;
1003                 gchar *attachdir;
1004                 gchar *attachname = g_strdup(get_part_name(attachment));
1005                 AlertValue aval = G_ALERTDEFAULT;
1006                 gchar *res;
1007
1008                 if (!attachname || !strlen(attachname))
1009                         attachname = g_strdup_printf("noname.%d",subst_cnt++);
1010                 subst_chars(attachname, ":?*&|<>\t\r\n", '_');
1011                 g_snprintf(buf, sizeof(buf), "%s%s",
1012                            dirname,
1013                            (attachname[0] == G_DIR_SEPARATOR)
1014                            ? &attachname[1]
1015                            : attachname);
1016                 subst_chars(buf, "/\\", G_DIR_SEPARATOR);
1017                 attachdir = g_dirname(buf);
1018                 make_dir_hier(attachdir);
1019                 g_free(attachdir);
1020
1021                 if (is_file_exist(buf)) {
1022                         res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1023                                               attachname);
1024                         aval = alertpanel(_("Overwrite"), res, _("OK"),
1025                                           _("Cancel"), NULL);
1026                         g_free(res);
1027                 }
1028                 g_free(attachname);
1029
1030                 if ((G_ALERTDEFAULT != aval) || (procmime_get_part(buf, mimeview->file, attachment) < 0))
1031                         alertpanel_error(_("Can't save the part of multipart message."));
1032                 attachment = attachment->next;
1033         }
1034 }
1035
1036 static void mimeview_display_as_text(MimeView *mimeview)
1037 {
1038         MimeInfo *partinfo;
1039
1040         if (!mimeview->opened) return;
1041
1042         partinfo = mimeview_get_selected_part(mimeview);
1043         if (!partinfo)  {
1044                 partinfo = (MimeInfo *) gtk_object_get_data
1045                         (GTK_OBJECT(mimeview->popupmenu),
1046                          "pop_partinfo");
1047                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1048                                     "pop_partinfo", NULL);
1049
1050         }
1051         g_return_if_fail(partinfo != NULL);
1052         mimeview_show_message_part(mimeview, partinfo);
1053 }
1054
1055 static void mimeview_save_as(MimeView *mimeview)
1056 {
1057         gchar *filename;
1058         gchar *defname = NULL;
1059         MimeInfo *partinfo;
1060         gchar *res;
1061
1062         if (!mimeview->opened) return;
1063         if (!mimeview->file) return;
1064
1065         partinfo = mimeview_get_selected_part(mimeview);
1066         if (!partinfo) {
1067                 partinfo = (MimeInfo *) gtk_object_get_data
1068                         (GTK_OBJECT(mimeview->popupmenu),
1069                          "pop_partinfo");
1070                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1071                                     "pop_partinfo", NULL);
1072         }
1073         g_return_if_fail(partinfo != NULL);
1074
1075         if (partinfo->filename)
1076                 defname = partinfo->filename;
1077         else if (partinfo->name) {
1078                 Xstrdup_a(defname, partinfo->name, return);
1079                 subst_for_filename(defname);
1080         }
1081
1082         filename = filesel_select_file(_("Save as"), defname);
1083         if (!filename) return;
1084         if (is_file_exist(filename)) {
1085                 AlertValue aval;
1086                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1087                                       filename);
1088                 aval = alertpanel(_("Overwrite"), res, _("OK"),
1089                                   _("Cancel"), NULL);
1090                 g_free(res);
1091                 if (G_ALERTDEFAULT != aval) return;
1092         }
1093
1094         if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
1095                 alertpanel_error
1096                         (_("Can't save the part of multipart message."));
1097 }
1098
1099 static void mimeview_launch(MimeView *mimeview)
1100 {
1101         MimeInfo *partinfo;
1102         gchar *filename;
1103
1104         if (!mimeview->opened) return;
1105         if (!mimeview->file) return;
1106
1107         partinfo = mimeview_get_selected_part(mimeview);
1108         if (!partinfo) {
1109                 partinfo = (MimeInfo *) gtk_object_get_data
1110                         (GTK_OBJECT(mimeview->popupmenu),
1111                          "pop_partinfo");
1112                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1113                                     "pop_partinfo", NULL);
1114         }
1115         g_return_if_fail(partinfo != NULL);
1116
1117         filename = procmime_get_tmp_file_name(partinfo);
1118
1119         if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
1120                 alertpanel_error
1121                         (_("Can't save the part of multipart message."));
1122         else
1123                 mimeview_view_file(filename, partinfo, NULL);
1124
1125         g_free(filename);
1126 }
1127
1128 static void mimeview_open_with(MimeView *mimeview)
1129 {
1130         MimeInfo *partinfo;
1131         gchar *filename;
1132         gchar *cmd;
1133
1134         if (!mimeview->opened) return;
1135         if (!mimeview->file) return;
1136
1137         partinfo = mimeview_get_selected_part(mimeview);
1138         if (!partinfo) {
1139                 partinfo = (MimeInfo *) gtk_object_get_data
1140                         (GTK_OBJECT(mimeview->popupmenu),
1141                          "pop_partinfo");
1142                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1143                                     "pop_partinfo", NULL);
1144         }
1145         g_return_if_fail(partinfo != NULL);
1146
1147         filename = procmime_get_tmp_file_name(partinfo);
1148
1149         if (procmime_get_part(filename, mimeview->file, partinfo) < 0) {
1150                 alertpanel_error
1151                         (_("Can't save the part of multipart message."));
1152                 g_free(filename);
1153                 return;
1154         }
1155
1156         if (!prefs_common.mime_open_cmd_history)
1157                 prefs_common.mime_open_cmd_history =
1158                         add_history(NULL, prefs_common.mime_open_cmd);
1159
1160         cmd = input_dialog_combo
1161                 (_("Open with"),
1162                  _("Enter the command line to open file:\n"
1163                    "(`%s' will be replaced with file name)"),
1164                  prefs_common.mime_open_cmd,
1165                  prefs_common.mime_open_cmd_history,
1166                  TRUE);
1167         if (cmd) {
1168                 mimeview_view_file(filename, partinfo, cmd);
1169                 g_free(prefs_common.mime_open_cmd);
1170                 prefs_common.mime_open_cmd = cmd;
1171                 prefs_common.mime_open_cmd_history =
1172                         add_history(prefs_common.mime_open_cmd_history, cmd);
1173         }
1174
1175         g_free(filename);
1176 }
1177
1178 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1179                                const gchar *cmdline)
1180 {
1181         static gchar *default_image_cmdline = "display '%s'";
1182         static gchar *default_audio_cmdline = "play '%s'";
1183         static gchar *default_html_cmdline = DEFAULT_BROWSER_CMD;
1184         static gchar *mime_cmdline = "metamail -d -b -x -c %s '%s'";
1185         gchar buf[1024];
1186         gchar m_buf[1024];
1187         const gchar *cmd;
1188         const gchar *def_cmd;
1189         const gchar *p;
1190
1191         if (cmdline) {
1192                 cmd = cmdline;
1193                 def_cmd = NULL;
1194         } else if (MIME_APPLICATION_OCTET_STREAM == partinfo->mime_type) {
1195                 return;
1196         } else if (MIME_IMAGE == partinfo->mime_type) {
1197                 cmd = prefs_common.mime_image_viewer;
1198                 def_cmd = default_image_cmdline;
1199         } else if (MIME_AUDIO == partinfo->mime_type) {
1200                 cmd = prefs_common.mime_audio_player;
1201                 def_cmd = default_audio_cmdline;
1202         } else if (MIME_TEXT_HTML == partinfo->mime_type) {
1203                 cmd = prefs_common.uri_cmd;
1204                 def_cmd = default_html_cmdline;
1205         } else {
1206                 g_snprintf(m_buf, sizeof(m_buf), mime_cmdline,
1207                            partinfo->content_type, "%s");
1208                 cmd = m_buf;
1209                 def_cmd = NULL;
1210         }
1211
1212         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
1213             !strchr(p + 2, '%'))
1214                 g_snprintf(buf, sizeof(buf), cmd, filename);
1215         else {
1216                 if (cmd)
1217                         g_warning("MIME viewer command line is invalid: `%s'", cmd);
1218                 if (def_cmd)
1219                         g_snprintf(buf, sizeof(buf), def_cmd, filename);
1220                 else
1221                         return;
1222         }
1223
1224         execute_command_line(buf, TRUE);
1225 }
1226
1227 #if USE_GPGME
1228 static void update_node_name(GtkCTree *ctree, GtkCTreeNode *node,
1229                              gpointer data)
1230 {
1231         MimeInfo *partinfo;
1232         gchar *part_name;
1233
1234         partinfo = gtk_ctree_node_get_row_data(ctree, node);
1235         g_return_if_fail(partinfo != NULL);
1236
1237         part_name = get_part_name(partinfo);
1238         gtk_ctree_node_set_text(ctree, node, COL_NAME, part_name);
1239 }
1240
1241 static void mimeview_update_names(MimeView *mimeview)
1242 {
1243         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
1244
1245         gtk_ctree_pre_recursive(ctree, NULL, update_node_name, NULL);
1246 }
1247
1248 static void mimeview_update_signature_info(MimeView *mimeview)
1249 {
1250         MimeInfo *partinfo;
1251
1252         if (!mimeview) return;
1253         if (!mimeview->opened) return;
1254
1255         partinfo = mimeview_get_selected_part(mimeview);
1256         if (!partinfo) return;
1257
1258         if (g_strcasecmp(partinfo->content_type,
1259                          "application/pgp-signature") == 0) {
1260                 mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1261                 textview_show_signature_part(mimeview->textview, partinfo);
1262         }
1263 }
1264
1265 void mimeview_check_signature(MimeView *mimeview)
1266 {
1267         MimeInfo *mimeinfo;
1268         FILE *fp;
1269
1270         g_return_if_fail (mimeview_is_signed(mimeview));
1271         g_return_if_fail (gpg_started);
1272
1273         mimeinfo = gtk_ctree_node_get_row_data
1274                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
1275         g_return_if_fail(mimeinfo != NULL);
1276         g_return_if_fail(mimeview->file != NULL);
1277
1278         while (mimeinfo->parent)
1279                 mimeinfo = mimeinfo->parent;
1280
1281         if ((fp = fopen(mimeview->file, "rb")) == NULL) {
1282                 FILE_OP_ERROR(mimeview->file, "fopen");
1283                 return;
1284         }
1285
1286         rfc2015_check_signature(mimeinfo, fp);
1287         fclose(fp);
1288
1289         mimeview_update_names(mimeview);
1290         mimeview_update_signature_info(mimeview);
1291
1292         textview_show_message(mimeview->messageview->textview, mimeinfo,
1293                               mimeview->file);
1294
1295         mimeview_update(mimeview);
1296 }
1297 #endif /* USE_GPGME */
1298
1299 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
1300 {
1301         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
1302 }
1303
1304 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
1305 {
1306         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
1307 }
1308
1309 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
1310 {
1311         GSList *mimeview_list, *viewer_list;
1312
1313         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
1314                 MimeView *mimeview = (MimeView *) mimeview_list->data;
1315
1316                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
1317                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1318                         mimeview->mimeviewer = NULL;
1319                 }
1320
1321                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
1322                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
1323
1324                         mimeviewer->destroy_viewer(mimeviewer);
1325                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
1326                 }
1327         }
1328
1329         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
1330 }
1331
1332 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
1333 {
1334         gint      num;
1335         MimeInfo *partinfo;
1336
1337         num      = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "icon_number"));
1338         partinfo = gtk_object_get_data(GTK_OBJECT(button), "partinfo");
1339         if (event->button == 1) {
1340                 icon_selected(mimeview, num, partinfo);
1341                 gtk_widget_grab_focus(button);
1342
1343                 if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button)))
1344                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1345                 else
1346                         gtk_signal_emit_stop_by_name(GTK_OBJECT(button), "button_press_event");
1347         }
1348
1349         part_button_pressed(mimeview, event, partinfo);
1350
1351         return FALSE;
1352 }
1353
1354 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
1355 {
1356         if (num == 1 && (partinfo->mime_type == MIME_TEXT ||
1357                          partinfo->mime_type == MIME_TEXT_HTML))  {
1358                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->notebook), 0);
1359                 /* don't set the ctree, as it will unload the plugin, and
1360                  * we want to be able to switch quickly between the text
1361                  * part and the attachment */
1362         } else {
1363                 GtkCTreeNode *node;
1364                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->notebook), 1);
1365                 node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
1366                 if (node)
1367                         gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
1368         }
1369 }
1370
1371 #warning FIXME_GTK2
1372 #if 0
1373 #undef  KEY_PRESS_EVENT_STOP
1374 #define KEY_PRESS_EVENT_STOP() \
1375         if (gtk_signal_n_emissions_by_name \
1376                 (GTK_OBJECT(button), "key_press_event") > 0) { \
1377                 gtk_signal_emit_stop_by_name(GTK_OBJECT(button), \
1378                                              "key_press_event"); \
1379         }
1380 #endif
1381 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
1382                              MimeView *mimeview)
1383 {
1384         gint          num;
1385         MimeInfo     *partinfo;
1386         SummaryView  *summaryview;
1387         TextView     *textview;
1388
1389         num      = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "icon_number"));
1390         partinfo = gtk_object_get_data(GTK_OBJECT(button), "partinfo");
1391
1392         if (!event) return FALSE;
1393
1394         if (gtk_notebook_get_current_page(GTK_NOTEBOOK(mimeview->notebook)) == 0)
1395                 textview = mimeview->messageview->textview;
1396         else
1397                 textview = mimeview->textview;
1398
1399         switch (event->keyval) {
1400         case GDK_space:
1401                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1402                         /* stop the button being untoggled */
1403                         KEY_PRESS_EVENT_STOP();
1404                         if (textview_scroll_page(textview, FALSE))
1405                                 return TRUE;
1406
1407                         if (icon_list_select_by_number(mimeview, num + 1))
1408                                 return TRUE;
1409                 } else {
1410                         icon_selected(mimeview, num, partinfo);
1411                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1412                         return TRUE;
1413                 }
1414
1415                 break;
1416         case GDK_BackSpace:
1417                 textview_scroll_page(textview, TRUE);
1418                 return TRUE;
1419         case GDK_Return:
1420                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1421                         KEY_PRESS_EVENT_STOP();
1422                         textview_scroll_one_line(textview,
1423                                                  (event->state & GDK_MOD1_MASK) != 0);
1424                         return TRUE;
1425                 } else {
1426                         icon_selected(mimeview, num, partinfo);
1427                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1428                         return TRUE;
1429                 }
1430
1431         case GDK_n:
1432         case GDK_N:
1433                 BREAK_ON_MODIFIER_KEY();
1434                 if (icon_list_select_by_number(mimeview, num + 1))
1435                         KEY_PRESS_EVENT_STOP();
1436                         return TRUE;
1437                 break;
1438
1439         case GDK_p:
1440         case GDK_P:
1441                 BREAK_ON_MODIFIER_KEY();
1442                 if (icon_list_select_by_number(mimeview, num - 1))
1443                         KEY_PRESS_EVENT_STOP();
1444                         return TRUE;
1445                 break;
1446
1447         case GDK_y:
1448                 BREAK_ON_MODIFIER_KEY();
1449                 if (gtk_notebook_get_current_page(GTK_NOTEBOOK(mimeview->notebook)) == 0)
1450                         break;
1451                 KEY_PRESS_EVENT_STOP();
1452                 mimeview_save_as(mimeview);
1453                 return TRUE;
1454         case GDK_t:
1455                 BREAK_ON_MODIFIER_KEY();
1456                 if (gtk_notebook_get_current_page(GTK_NOTEBOOK(mimeview->notebook)) == 0)
1457                         break;
1458                 KEY_PRESS_EVENT_STOP();
1459                 mimeview_display_as_text(mimeview);
1460                 return TRUE;
1461         case GDK_l:
1462                 BREAK_ON_MODIFIER_KEY();
1463                 if (gtk_notebook_get_current_page(GTK_NOTEBOOK(mimeview->notebook)) == 0)
1464                         break;
1465                 KEY_PRESS_EVENT_STOP();
1466                 mimeview_launch(mimeview);
1467                 return TRUE;
1468         default:
1469                 break;
1470         }
1471
1472         if (!mimeview->messageview->mainwin) return FALSE;
1473         summaryview = mimeview->messageview->mainwin->summaryview;
1474         summary_pass_key_press_event(summaryview, event);
1475         return TRUE;
1476 }
1477
1478 static void toggle_icon(GtkToggleButton *button, MimeView *mimeview)
1479 {
1480         GList *child;
1481
1482         child = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
1483         for (; child != NULL; child = g_list_next(child)) {
1484                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1485                     GTK_TOGGLE_BUTTON(child->data) != button &&
1486                     gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(child->data)))
1487                         gtk_toggle_button_set_active
1488                                 (GTK_TOGGLE_BUTTON(child->data),
1489                                  FALSE);
1490         }
1491 }
1492
1493 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
1494 {
1495         GtkWidget *pixmap;
1496         GtkWidget *vbox;
1497         GtkWidget *button;
1498         gchar *tip;
1499         gchar *desc = NULL;
1500         StockPixmap stockp;
1501
1502         vbox = mimeview->icon_vbox;
1503         mimeview->icon_count++;
1504         button = gtk_toggle_button_new();
1505         gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
1506         gtk_object_set_data(GTK_OBJECT(button), "icon_number",
1507                 GINT_TO_POINTER(mimeview->icon_count));
1508         gtk_object_set_data(GTK_OBJECT(button), "partinfo",
1509                 mimeinfo);
1510
1511         switch (mimeinfo->mime_type) {
1512
1513         case MIME_TEXT:
1514         case MIME_MESSAGE_RFC822:
1515                 stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
1516                 break;
1517         case MIME_TEXT_HTML:
1518                 stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
1519                 break;
1520         case MIME_APPLICATION:
1521 #ifdef USE_GPGME
1522                 if (mimeinfo->content_type
1523                         &&  g_strcasecmp(mimeinfo->content_type,
1524                                          "application/pgp-signature")  == 0) {
1525                         if (mimeinfo->sigstatus_full) {
1526                                 desc = mimeinfo->sigstatus;
1527                                 if (mimeinfo->sig_ok)
1528                                         stockp = STOCK_PIXMAP_MIME_GPG_PASSED;
1529                                 else if (mimeinfo->sig_unknown)
1530                                         stockp = STOCK_PIXMAP_MIME_GPG_UNKNOWN;
1531                                 else if (mimeinfo->sig_expired
1532                                          || mimeinfo->key_expired)
1533                                         stockp = STOCK_PIXMAP_MIME_GPG_EXPIRED;
1534                                 else
1535                                         stockp = STOCK_PIXMAP_MIME_GPG_FAILED;
1536                         } else
1537                                 stockp = STOCK_PIXMAP_MIME_GPG_SIGNED;
1538                 } else
1539 #endif
1540                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
1541                 break;
1542         case MIME_APPLICATION_OCTET_STREAM:
1543                 stockp = STOCK_PIXMAP_MIME_APPLICATION_OCTET_STREAM;
1544                 break;
1545         case MIME_IMAGE:
1546                 stockp = STOCK_PIXMAP_MIME_IMAGE;
1547                 break;
1548         case MIME_AUDIO:
1549                 stockp = STOCK_PIXMAP_MIME_AUDIO;
1550                 break;
1551         case MIME_TEXT_ENRICHED:
1552                 stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
1553                 break;
1554         default:
1555                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
1556                 break;
1557         }
1558
1559         pixmap = stock_pixmap_widget(mimeview->mainwin->window, stockp);
1560         gtk_container_add(GTK_CONTAINER(button), pixmap);
1561
1562         if (!desc) {
1563                 if (prefs_common.attach_desc)
1564                         desc = get_part_description(mimeinfo);
1565                 else
1566                         desc = get_part_name(mimeinfo);
1567         }
1568         if (desc && *desc)
1569                 tip = g_strdup_printf("%s\n%s\n%s", desc, mimeinfo->content_type,
1570                                 to_human_readable(mimeinfo->size));
1571         else
1572                 tip = g_strdup_printf("%s\n%s", mimeinfo->content_type,
1573                                 to_human_readable(mimeinfo->size));
1574
1575         gtk_tooltips_set_tip(mimeview->tooltips, button, tip, NULL);
1576         g_free(tip);
1577         gtk_widget_show_all(button);
1578         g_signal_connect(G_OBJECT(button), "button_press_event",
1579                          G_CALLBACK(icon_clicked_cb), mimeview);
1580         g_signal_connect(G_OBJECT(button), "key_press_event",
1581                          G_CALLBACK(icon_key_pressed), mimeview);
1582         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
1583
1584 }
1585
1586 static void icon_list_clear (MimeView *mimeview)
1587 {
1588         GList     *child;
1589         GtkAdjustment *adj;
1590
1591         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1592         for (; child != NULL; child = g_list_next(child)) {
1593                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
1594                                        GTK_WIDGET(child->data));
1595         }
1596         mimeview->icon_count = 0;
1597         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1598         adj->value = adj->lower;
1599         gtk_signal_emit_by_name(GTK_OBJECT (adj), "value_changed");
1600 }
1601
1602 static void icon_list_toggle_by_mime_info(MimeView      *mimeview,
1603                                           MimeInfo      *mimeinfo)
1604 {
1605         GList *child;
1606
1607         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1608         for (; child != NULL; child = g_list_next(child)) {
1609                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1610                     gtk_object_get_data(GTK_OBJECT(child->data),
1611                                         "partinfo") == (gpointer)mimeinfo) {
1612                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1613                         gtk_toggle_button_set_active
1614                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1615                 }
1616         }
1617 }
1618
1619 /*!
1620  *\brief        Used to 'click' the next or previous icon.
1621  *
1622  *\return       true if the icon 'number' exists and was selected.
1623  */
1624 static gboolean icon_list_select_by_number(MimeView     *mimeview,
1625                                            gint          number)
1626 {
1627         GList *child;
1628
1629         if (number == 0) return FALSE;
1630         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1631         for (; child != NULL; child = g_list_next(child)) {
1632                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1633                     GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(child->data),
1634                                         "icon_number")) == number) {
1635                         icon_selected(mimeview, number,
1636                                       (MimeInfo*)gtk_object_get_data(GTK_OBJECT(child->data),
1637                                                                      "partinfo"));
1638                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1639                         gtk_toggle_button_set_active
1640                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1641                         gtk_widget_grab_focus(GTK_WIDGET(child->data));
1642
1643                         return TRUE;
1644                 }
1645         }
1646         return FALSE;
1647 }
1648
1649 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
1650                                          GtkAllocation *size, MimeView *mimeview)
1651 {
1652         GtkAllocation *mainbox_size;
1653         GtkAllocation *vbox_size;
1654         GtkAllocation *layout_size;
1655         GtkAdjustment *adj;
1656
1657         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1658
1659         mainbox_size = &mimeview->icon_mainbox->allocation;
1660         vbox_size = &mimeview->icon_vbox->allocation;
1661         layout_size = &mimeview->icon_scroll->allocation;
1662
1663 #warning FIXME_GTK2 /* this code cause hang up. */
1664 #if 0
1665         /* centralise the vbox */
1666         gtk_layout_move(GTK_LAYOUT(mimeview->icon_scroll), mimeview->icon_vbox,
1667                         (mainbox_size->width - vbox_size->width)/2, 0);
1668 #endif
1669
1670         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
1671                             GTK_LAYOUT(mimeview->icon_scroll)->width,
1672                             MAX(vbox_size->height, layout_size->height));
1673         adj->step_increment = 5;
1674 }
1675
1676 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
1677 {
1678         GtkRequisition size;
1679         gint           width;
1680         g_return_if_fail(mimeinfo != NULL);
1681
1682         if (mimeinfo->children)
1683                 mimeinfo = mimeinfo->children;
1684
1685         while (mimeinfo != NULL) {
1686                 if (mimeinfo->children)
1687                         icon_list_create(mimeview, mimeinfo);
1688                 else if (mimeinfo->sub &&
1689                          mimeinfo->sub->mime_type != MIME_TEXT &&
1690                          mimeinfo->sub->mime_type != MIME_TEXT_HTML)
1691                         icon_list_create(mimeview, mimeinfo->sub);
1692                 else
1693                         icon_list_append_icon(mimeview, mimeinfo);
1694                 mimeinfo = mimeinfo->next;
1695         }
1696         gtk_widget_size_request(mimeview->icon_vbox, &size);
1697         width = size.width + 4;
1698         if (width > mimeview->icon_mainbox->requisition.width) {
1699                 gtk_widget_set_size_request(mimeview->icon_mainbox,
1700                                             width, -1);
1701         }
1702
1703 }
1704
1705 static void mime_toggle_button_cb (GtkWidget *button, MimeView *mimeview)
1706 {
1707         gtk_widget_ref(button);
1708
1709         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1710                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT,
1711                                         GTK_SHADOW_NONE);
1712                 gtk_widget_hide(mimeview->icon_mainbox);
1713                 gtk_widget_show(mimeview->ctree_mainbox);
1714                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
1715
1716                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
1717                                         button);
1718                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
1719                                    button, FALSE, FALSE, 0);
1720                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->notebook), 1);
1721         } else {
1722                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT,
1723                               GTK_SHADOW_NONE);
1724                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
1725                 gtk_widget_hide(mimeview->ctree_mainbox);
1726                 gtk_widget_show(mimeview->icon_mainbox);
1727                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
1728
1729                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
1730                                         button);
1731                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
1732                                    button, FALSE, FALSE, 0);
1733                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
1734                 if (mimeview->opened)
1735                         icon_list_toggle_by_mime_info
1736                                 (mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree),
1737                                                                        mimeview->opened));
1738
1739         }
1740         gtk_widget_grab_focus(button);
1741         gtk_widget_unref(button);
1742
1743 }
1744
1745 void mimeview_update (MimeView *mimeview) {
1746         if (mimeview && mimeview->mimeinfo) {
1747                 icon_list_clear(mimeview);
1748                 icon_list_create(mimeview, mimeview->mimeinfo);
1749         }
1750 }