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,0);
 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         mimeview->scroll_button = scrollbutton;
 307
 308         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 309
 310         mimeviews = g_slist_prepend(mimeviews, mimeview);
 311
 312         return mimeview;
 313 }
 314
 315 void mimeview_init(MimeView *mimeview)
 316 {
 317         textview_init(mimeview->textview);
 318
 319         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 320                 GTK_WIDGET_PTR(mimeview->textview));
 321 }
 322
 323 /*
 324  * Check whether the message is OpenPGP signed
 325  */
 326 #if USE_GPGME
 327 static gboolean mimeview_is_signed(MimeView *mimeview)
 328 {
 329         MimeInfo *partinfo = NULL;
 330
 331         debug_print("mimeview_is signed of %p\n", mimeview);
 332
 333         if (!mimeview) return FALSE;
 334         if (!mimeview->opened) return FALSE;
 335
 336         debug_print("mimeview_is_signed: open\n" );
 337
 338         if (!mimeview->file) return FALSE;
 339
 340         debug_print("mimeview_is_signed: file\n" );
 341
 342         partinfo = gtk_ctree_node_get_row_data
 343                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 344         g_return_val_if_fail(partinfo != NULL, FALSE);
 345
 346         /* walk the tree and see whether there is a signature somewhere */
 347         do {
 348                 if (rfc2015_has_signature(partinfo))
 349                         return TRUE;
 350         } while ((partinfo = partinfo->parent) != NULL);
 351
 352         debug_print("mimeview_is_signed: FALSE\n" );
 353
 354         return FALSE;
 355 }
 356
 357 static void set_unchecked_signature(MimeInfo *mimeinfo)
 358 {
 359         MimeInfo *sig_partinfo;
 360
 361         sig_partinfo = rfc2015_find_signature(mimeinfo);
 362         if (sig_partinfo == NULL) return;
 363
 364         g_free(sig_partinfo->sigstatus);
 365         sig_partinfo->sigstatus =
 366                 g_strdup(_("Right-click here to verify the signature"));
 367
 368         g_free(sig_partinfo->sigstatus_full);
 369         sig_partinfo->sigstatus_full = NULL;
 370 }
 371 #endif /* USE_GPGME */
 372
 373 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 374                            const gchar *file)
 375 {
 376         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 377         GtkCTreeNode *node;
 378         FILE *fp;
 379
 380         mimeview_clear(mimeview);
 381         textview_clear(mimeview->messageview->textview);
 382
 383         g_return_if_fail(file != NULL);
 384         g_return_if_fail(mimeinfo != NULL);
 385
 386         mimeview->mimeinfo = mimeinfo;
 387
 388         mimeview->file = g_strdup(file);
 389
 390 #if USE_GPGME
 391         if (prefs_common.auto_check_signatures && gpg_started) {
 392                 if ((fp = fopen(file, "rb")) == NULL) {
 393                         FILE_OP_ERROR(file, "fopen");
 394                         return;
 395                 }
 396                 rfc2015_check_signature(mimeinfo, fp);
 397                 fclose(fp);
 398         } else
 399                 set_unchecked_signature(mimeinfo);
 400 #endif
 401
 402         gtk_signal_handler_block_by_func(GTK_OBJECT(ctree), mimeview_selected,
 403                                          mimeview);
 404
 405         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 406         icon_list_create(mimeview, mimeinfo);
 407
 408         gtk_signal_handler_unblock_by_func(GTK_OBJECT(ctree),
 409                                            mimeview_selected, mimeview);
 410
 411         /* search first text part */
 412         for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 413              node != NULL; node = GTK_CTREE_NODE_NEXT(node)) {
 414                 MimeInfo *partinfo;
 415
 416                 partinfo = gtk_ctree_node_get_row_data(ctree, node);
 417                 if (partinfo &&
 418                     (partinfo->mime_type == MIME_TEXT ||
 419                      partinfo->mime_type == MIME_TEXT_HTML))
 420                         break;
 421         }
 422         textview_show_message(mimeview->messageview->textview, mimeinfo, file);
 423
 424         if (!node)
 425                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 426
 427         if (node) {
 428                 gtk_ctree_select(ctree, node);
 429                 icon_list_toggle_by_mime_info
 430                         (mimeview, gtk_ctree_node_get_row_data(ctree, node));
 431                 gtkut_ctree_set_focus_row(ctree, node);
 432                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(mimeview->mime_toggle)))
 433                         gtk_widget_grab_focus(mimeview->ctree);
 434         }
 435 }
 436
 437 void mimeview_destroy(MimeView *mimeview)
 438 {
 439         GSList *cur;
 440
 441         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 442                 MimeViewer *viewer = (MimeViewer *) cur->data;
 443                 gtk_container_remove(GTK_CONTAINER(mimeview->mime_notebook),
 444                         GTK_WIDGET(viewer->get_widget(viewer)));
 445                 viewer->destroy_viewer(viewer);
 446         }
 447         g_slist_free(mimeview->viewers);
 448         gtk_target_list_unref(mimeview->target_list);
 449
 450         procmime_mimeinfo_free_all(mimeview->mimeinfo);
 451         g_free(mimeview->file);
 452         g_free(mimeview);
 453
 454         mimeviews = g_slist_remove(mimeviews, mimeview);
 455
 456 }
 457
 458 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 459 {
 460         if (gtk_notebook_get_current_page
 461                 (GTK_NOTEBOOK(mimeview->notebook)) == 0)
 462                 return NULL;
 463
 464         return gtk_ctree_node_get_row_data
 465                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 466 }
 467
 468 static void mimeview_set_multipart_tree(MimeView *mimeview,
 469                                         MimeInfo *mimeinfo,
 470                                         GtkCTreeNode *parent)
 471 {
 472         GtkCTreeNode *node;
 473
 474         g_return_if_fail(mimeinfo != NULL);
 475
 476         if (mimeinfo->children)
 477                 mimeinfo = mimeinfo->children;
 478
 479         while (mimeinfo != NULL) {
 480                 node = mimeview_append_part(mimeview, mimeinfo, parent);
 481
 482                 if (mimeinfo->children)
 483                         mimeview_set_multipart_tree(mimeview, mimeinfo, node);
 484                 else if (mimeinfo->sub &&
 485                          mimeinfo->sub->mime_type != MIME_TEXT &&
 486                          mimeinfo->sub->mime_type != MIME_TEXT_HTML)
 487                         mimeview_set_multipart_tree(mimeview, mimeinfo->sub,
 488                                                     node);
 489                 mimeinfo = mimeinfo->next;
 490         }
 491 }
 492
 493 static gchar *get_part_name(MimeInfo *partinfo)
 494 {
 495 #if USE_GPGME
 496         if (partinfo->sigstatus)
 497                 return partinfo->sigstatus;
 498         else
 499 #endif
 500         if (partinfo->name)
 501                 return partinfo->name;
 502         else if (partinfo->filename)
 503                 return partinfo->filename;
 504         else if (partinfo->description)
 505                 return partinfo->description;
 506         else
 507                 return "";
 508 }
 509
 510 static gchar *get_part_description(MimeInfo *partinfo)
 511 {
 512         if (partinfo->description)
 513                 return partinfo->description;
 514         else if (partinfo->name)
 515                 return partinfo->name;
 516         else if (partinfo->filename)
 517                 return partinfo->filename;
 518         else
 519                 return "";
 520 }
 521
 522 static GtkCTreeNode *mimeview_append_part(MimeView *mimeview,
 523                                           MimeInfo *partinfo,
 524                                           GtkCTreeNode *parent)
 525 {
 526         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 527         GtkCTreeNode *node;
 528         gchar *str[N_MIMEVIEW_COLS];
 529
 530         str[COL_MIMETYPE] =
 531                 partinfo->content_type ? partinfo->content_type : "";
 532         str[COL_SIZE] = to_human_readable(partinfo->size);
 533         if (prefs_common.attach_desc)
 534                 str[COL_NAME] = get_part_description(partinfo);
 535         else
 536                 str[COL_NAME] = get_part_name(partinfo);
 537
 538         node = gtk_ctree_insert_node(ctree, parent, NULL, str, 0,
 539                                      NULL, NULL, NULL, NULL,
 540                                      FALSE, TRUE);
 541         gtk_ctree_node_set_row_data(ctree, node, partinfo);
 542
 543         return node;
 544 }
 545
 546 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 547 {
 548         FILE *fp;
 549         const gchar *fname;
 550 #if USE_GPGME
 551         MimeInfo *pi;
 552 #endif
 553
 554         if (!partinfo) return;
 555
 556 #if USE_GPGME
 557         for (pi = partinfo; pi && !pi->plaintextfile ; pi = pi->parent)
 558                 ;
 559         fname = pi ? pi->plaintextfile : mimeview->file;
 560 #else
 561         fname = mimeview->file;
 562 #endif /* USE_GPGME */
 563         if (!fname) return;
 564
 565         if ((fp = fopen(fname, "rb")) == NULL) {
 566                 FILE_OP_ERROR(fname, "fopen");
 567                 return;
 568         }
 569
 570         if (fseek(fp, partinfo->fpos, SEEK_SET) < 0) {
 571                 FILE_OP_ERROR(mimeview->file, "fseek");
 572                 fclose(fp);
 573                 return;
 574         }
 575
 576         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 577         textview_show_part(mimeview->textview, partinfo, fp);
 578
 579         fclose(fp);
 580 }
 581
 582 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 583 {
 584         GSList *cur;
 585         MimeViewerFactory *factory = NULL;
 586         MimeViewer *viewer = NULL;
 587
 588 /*
 589  * FNM_CASEFOLD is a GNU extension
 590  * if its not defined copy the string to the stack and
 591  * convert the copy to lower case
 592  */
 593 #ifndef FNM_CASEFOLD
 594 #define FNM_CASEFOLD 0
 595         Xstrdup_a(content_type, content_type, return NULL);
 596         g_strdown((gchar *)content_type);
 597 #endif
 598
 599         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 600                 MimeViewerFactory *curfactory = cur->data;
 601                 gint i = 0;
 602
 603                 while (curfactory->content_types[i] != NULL) {
 604                         debug_print("%s\n", curfactory->content_types[i]);
 605                         if(!fnmatch(curfactory->content_types[i], content_type, FNM_CASEFOLD)) {
 606                                 factory = curfactory;
 607                                 break;
 608                         }
 609                         i++;
 610                 }
 611                 if (factory != NULL)
 612                         break;
 613         }
 614         if (factory == NULL)
 615                 return NULL;
 616
 617         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 618                 MimeViewer *curviewer = cur->data;
 619
 620                 if (curviewer->factory == factory)
 621                         return curviewer;
 622         }
 623         viewer = factory->create_viewer();
 624         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 625                 GTK_WIDGET(viewer->get_widget(viewer)));
 626
 627         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 628
 629         return viewer;
 630 }
 631
 632 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 633 {
 634         gchar *content_type = NULL;
 635         MimeViewer *viewer = NULL;
 636
 637         if ((partinfo->mime_type == MIME_APPLICATION_OCTET_STREAM) &&
 638             (partinfo->name != NULL)) {
 639                 content_type = procmime_get_mime_type(partinfo->name);
 640         } else {
 641                 content_type = g_strdup(partinfo->content_type);
 642         }
 643
 644         if (content_type != NULL) {
 645                 viewer = get_viewer_for_content_type(mimeview, content_type);
 646                 g_free(content_type);
 647         }
 648
 649         return viewer;
 650 }
 651
 652 static gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 653 {
 654         MimeViewer *viewer;
 655
 656         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 657         if (viewer == NULL) {
 658                 if (mimeview->mimeviewer != NULL)
 659                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 660                 mimeview->mimeviewer = NULL;
 661                 return FALSE;
 662         }
 663
 664         if (mimeview->mimeviewer != viewer) {
 665                 if (mimeview->mimeviewer != NULL)
 666                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 667                 mimeview->mimeviewer = viewer;
 668                 mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 669         }
 670         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 671
 672         return TRUE;
 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         gtk_vscrollbutton_reset(GTK_VSCROLLBUTTON(mimeview->scroll_button));
 718         icon_list_clear(mimeview);
 719
 720         if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(mimeview->mime_toggle)))
 721                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->notebook), 0);
 722 }
 723
 724 static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
 725                               MimeView *mimeview)
 726 {
 727         MimeInfo *partinfo;
 728
 729         if (mimeview->opened == node) return;
 730         mimeview->opened = node;
 731         gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
 732
 733         partinfo = gtk_ctree_node_get_row_data(ctree, node);
 734         if (!partinfo) return;
 735
 736         /* ungrab the mouse event */
 737         if (GTK_WIDGET_HAS_GRAB(ctree)) {
 738                 gtk_grab_remove(GTK_WIDGET(ctree));
 739                 if (gdk_pointer_is_grabbed())
 740                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
 741         }
 742
 743         mimeview->textview->default_text = FALSE;
 744
 745         if (!mimeview_show_part(mimeview, partinfo)) {
 746                 switch (partinfo->mime_type) {
 747                 case MIME_TEXT:
 748                 case MIME_TEXT_HTML:
 749                 case MIME_TEXT_ENRICHED:
 750                 case MIME_MESSAGE_RFC822:
 751                 case MIME_MULTIPART:
 752                         mimeview_show_message_part(mimeview, partinfo);
 753
 754                         break;
 755                 default:
 756                         mimeview->textview->default_text = TRUE;
 757                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 758 #if USE_GPGME
 759                         if (g_strcasecmp(partinfo->content_type,
 760                                          "application/pgp-signature") == 0)
 761                                 textview_show_signature_part(mimeview->textview,
 762                                                              partinfo);
 763                         else
 764 #endif
 765                                 textview_show_mime_part(mimeview->textview, partinfo);
 766                         break;
 767                 }
 768         }
 769 }
 770
 771 static void mimeview_start_drag(GtkWidget *widget, gint button,
 772                                 GdkEvent *event, MimeView *mimeview)
 773 {
 774         GdkDragContext *context;
 775         MimeInfo *partinfo;
 776
 777         g_return_if_fail(mimeview != NULL);
 778
 779         partinfo = mimeview_get_selected_part(mimeview);
 780         if (partinfo->filename == NULL && partinfo->name == NULL) return;
 781
 782         context = gtk_drag_begin(widget, mimeview->target_list,
 783                                  GDK_ACTION_COPY, button, event);
 784         gtk_drag_set_icon_default(context);
 785 }
 786
 787 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
 788                                     MimeView *mimeview)
 789 {
 790         GtkCList *clist = GTK_CLIST(widget);
 791         gint row, column;
 792
 793         if (!event) return FALSE;
 794
 795         if (event->button == 2 || event->button == 3) {
 796                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
 797                                                   &row, &column))
 798                         return FALSE;
 799                 gtk_clist_unselect_all(clist);
 800                 gtk_clist_select_row(clist, row, column);
 801                 gtkut_clist_set_focus_row(clist, row);
 802         }
 803         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
 804
 805         return TRUE;
 806 }
 807
 808 static void part_button_pressed(MimeView *mimeview, GdkEventButton *event,
 809                                 MimeInfo *partinfo)
 810 {
 811         if (event->button == 2 ||
 812             (event->button == 1 && event->type == GDK_2BUTTON_PRESS)) {
 813                 /* call external program for image, audio or html */
 814                 mimeview_launch(mimeview);
 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         }
 847
 848 }
 849
 850
 851 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
 852 {
 853         mimeview_key_pressed(mimeview->ctree, event, mimeview);
 854 }
 855
 856 #define BREAK_ON_MODIFIER_KEY() \
 857         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
 858
 859 #define KEY_PRESS_EVENT_STOP() \
 860         if (gtk_signal_n_emissions_by_name \
 861                 (GTK_OBJECT(ctree), "key_press_event") > 0) { \
 862                 gtk_signal_emit_stop_by_name(GTK_OBJECT(ctree), \
 863                                              "key_press_event"); \
 864         }
 865
 866 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
 867                                  MimeView *mimeview)
 868 {
 869         SummaryView *summaryview;
 870         GtkCTree *ctree = GTK_CTREE(widget);
 871         GtkCTreeNode *node;
 872
 873         if (!event) return FALSE;
 874         if (!mimeview->opened) return FALSE;
 875
 876         switch (event->keyval) {
 877         case GDK_space:
 878                 if (textview_scroll_page(mimeview->textview, FALSE))
 879                         return TRUE;
 880
 881                 node = GTK_CTREE_NODE_NEXT(mimeview->opened);
 882                 if (node) {
 883                         gtk_sctree_unselect_all(GTK_SCTREE(ctree));
 884                         gtk_sctree_select(GTK_SCTREE(ctree), node);
 885                         return TRUE;
 886                 }
 887                 break;
 888         case GDK_BackSpace:
 889                 textview_scroll_page(mimeview->textview, TRUE);
 890                 return TRUE;
 891         case GDK_Return:
 892                 textview_scroll_one_line(mimeview->textview,
 893                                          (event->state & GDK_MOD1_MASK) != 0);
 894                 return TRUE;
 895         case GDK_n:
 896         case GDK_N:
 897                 BREAK_ON_MODIFIER_KEY();
 898                 if (!GTK_CTREE_NODE_NEXT(mimeview->opened)) break;
 899                 KEY_PRESS_EVENT_STOP();
 900
 901                 gtk_signal_emit_by_name(GTK_OBJECT(ctree), "scroll_vertical",
 902                                         GTK_SCROLL_STEP_FORWARD, 0.0);
 903                 return TRUE;
 904         case GDK_p:
 905         case GDK_P:
 906                 BREAK_ON_MODIFIER_KEY();
 907                 if (!GTK_CTREE_NODE_PREV(mimeview->opened)) break;
 908                 KEY_PRESS_EVENT_STOP();
 909
 910                 gtk_signal_emit_by_name(GTK_OBJECT(ctree), "scroll_vertical",
 911                                         GTK_SCROLL_STEP_BACKWARD, 0.0);
 912                 return TRUE;
 913         case GDK_y:
 914                 BREAK_ON_MODIFIER_KEY();
 915                 KEY_PRESS_EVENT_STOP();
 916                 mimeview_save_as(mimeview);
 917                 return TRUE;
 918         case GDK_t:
 919                 BREAK_ON_MODIFIER_KEY();
 920                 KEY_PRESS_EVENT_STOP();
 921                 mimeview_display_as_text(mimeview);
 922                 return TRUE;
 923         case GDK_l:
 924                 BREAK_ON_MODIFIER_KEY();
 925                 KEY_PRESS_EVENT_STOP();
 926                 mimeview_launch(mimeview);
 927                 return TRUE;
 928         default:
 929                 break;
 930         }
 931
 932         if (!mimeview->messageview->mainwin) return FALSE;
 933         summaryview = mimeview->messageview->mainwin->summaryview;
 934         summary_pass_key_press_event(summaryview, event);
 935         return TRUE;
 936 }
 937
 938 static void mimeview_drag_data_get(GtkWidget        *widget,
 939                                    GdkDragContext   *drag_context,
 940                                    GtkSelectionData *selection_data,
 941                                    guint             info,
 942                                    guint             time,
 943                                    MimeView         *mimeview)
 944 {
 945         gchar *filename, *uriname;
 946         MimeInfo *partinfo;
 947
 948         if (!mimeview->opened) return;
 949         if (!mimeview->file) return;
 950
 951         partinfo = mimeview_get_selected_part(mimeview);
 952         if (!partinfo) return;
 953         if (!partinfo->filename && !partinfo->name) return;
 954
 955         filename = partinfo->filename ? partinfo->filename : partinfo->name;
 956         filename = g_basename(filename);
 957         if (*filename == '\0') return;
 958
 959         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
 960                                filename, NULL);
 961
 962         if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
 963                 alertpanel_error
 964                         (_("Can't save the part of multipart message."));
 965
 966         uriname = g_strconcat("file:/", filename, NULL);
 967         gtk_selection_data_set(selection_data, selection_data->target, 8,
 968                                uriname, strlen(uriname));
 969
 970         g_free(uriname);
 971         g_free(filename);
 972 }
 973
 974 static void mimeview_save_all(MimeView *mimeview)
 975 {
 976         gchar *dirname;
 977         gchar *defname = NULL;
 978         MimeInfo *partinfo;
 979         MimeInfo *attachment;
 980         gchar buf[1024];
 981
 982         if (!mimeview->opened) return;
 983         if (!mimeview->file) return;
 984
 985         partinfo = mimeview_get_selected_part(mimeview);
 986         g_return_if_fail(partinfo != NULL);
 987
 988         dirname = filesel_select_file(_("Save as"), defname);
 989         if (!dirname) return;
 990
 991         /* return to first children */
 992         if (!partinfo->parent->children) return;  /* multipart container? */
 993         attachment = partinfo->parent->children->next;
 994         /* for each attachment, extract it in the selected dir. */
 995         while (attachment != NULL) {
 996                 static guint subst_cnt = 1;
 997                 gchar *attachdir;
 998                 gchar *attachname = g_strdup(get_part_name(attachment));
 999                 AlertValue aval = G_ALERTDEFAULT;
1000                 gchar *res;
1001
1002                 if (!attachname || !strlen(attachname))
1003                         attachname = g_strdup_printf("noname.%d",subst_cnt++);
1004                 subst_chars(attachname, ":?*&|<>\t\r\n", '_');
1005                 g_snprintf(buf, sizeof(buf), "%s%s",
1006                            dirname,
1007                            (attachname[0] == G_DIR_SEPARATOR)
1008                            ? &attachname[1]
1009                            : attachname);
1010                 subst_chars(buf, "/\\", G_DIR_SEPARATOR);
1011                 attachdir = g_dirname(buf);
1012                 make_dir_hier(attachdir);
1013                 g_free(attachdir);
1014
1015                 if (is_file_exist(buf)) {
1016                         res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1017                                               attachname);
1018                         aval = alertpanel(_("Overwrite"), res, _("OK"),
1019                                           _("Cancel"), NULL);
1020                         g_free(res);
1021                 }
1022                 g_free(attachname);
1023
1024                 if ((G_ALERTDEFAULT != aval) || (procmime_get_part(buf, mimeview->file, attachment) < 0))
1025                         alertpanel_error(_("Can't save the part of multipart message."));
1026                 attachment = attachment->next;
1027         }
1028 }
1029
1030 static void mimeview_display_as_text(MimeView *mimeview)
1031 {
1032         MimeInfo *partinfo;
1033
1034         if (!mimeview->opened) return;
1035
1036         partinfo = mimeview_get_selected_part(mimeview);
1037         if (!partinfo)  {
1038                 partinfo = (MimeInfo *) gtk_object_get_data
1039                         (GTK_OBJECT(mimeview->popupmenu),
1040                          "pop_partinfo");
1041                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1042                                     "pop_partinfo", NULL);
1043
1044         }
1045         g_return_if_fail(partinfo != NULL);
1046         mimeview_show_message_part(mimeview, partinfo);
1047 }
1048
1049 static void mimeview_save_as(MimeView *mimeview)
1050 {
1051         gchar *filename;
1052         gchar *defname = NULL;
1053         MimeInfo *partinfo;
1054         gchar *res;
1055
1056         if (!mimeview->opened) return;
1057         if (!mimeview->file) return;
1058
1059         partinfo = mimeview_get_selected_part(mimeview);
1060         if (!partinfo) {
1061                 partinfo = (MimeInfo *) gtk_object_get_data
1062                         (GTK_OBJECT(mimeview->popupmenu),
1063                          "pop_partinfo");
1064                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1065                                     "pop_partinfo", NULL);
1066         }
1067         g_return_if_fail(partinfo != NULL);
1068
1069         if (partinfo->filename)
1070                 defname = partinfo->filename;
1071         else if (partinfo->name) {
1072                 Xstrdup_a(defname, partinfo->name, return);
1073                 subst_for_filename(defname);
1074         }
1075
1076         filename = filesel_select_file(_("Save as"), defname);
1077         if (!filename) return;
1078         if (is_file_exist(filename)) {
1079                 AlertValue aval;
1080                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1081                                       filename);
1082                 aval = alertpanel(_("Overwrite"), res, _("OK"),
1083                                   _("Cancel"), NULL);
1084                 g_free(res);
1085                 if (G_ALERTDEFAULT != aval) return;
1086         }
1087
1088         if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
1089                 alertpanel_error
1090                         (_("Can't save the part of multipart message."));
1091 }
1092
1093 static void mimeview_launch(MimeView *mimeview)
1094 {
1095         MimeInfo *partinfo;
1096         gchar *filename;
1097
1098         if (!mimeview->opened) return;
1099         if (!mimeview->file) return;
1100
1101         partinfo = mimeview_get_selected_part(mimeview);
1102         if (!partinfo) {
1103                 partinfo = (MimeInfo *) gtk_object_get_data
1104                         (GTK_OBJECT(mimeview->popupmenu),
1105                          "pop_partinfo");
1106                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1107                                     "pop_partinfo", NULL);
1108         }
1109         g_return_if_fail(partinfo != NULL);
1110
1111         filename = procmime_get_tmp_file_name(partinfo);
1112
1113         if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
1114                 alertpanel_error
1115                         (_("Can't save the part of multipart message."));
1116         else
1117                 mimeview_view_file(filename, partinfo, NULL);
1118
1119         g_free(filename);
1120 }
1121
1122 static void mimeview_open_with(MimeView *mimeview)
1123 {
1124         MimeInfo *partinfo;
1125         gchar *filename;
1126         gchar *cmd;
1127
1128         if (!mimeview->opened) return;
1129         if (!mimeview->file) return;
1130
1131         partinfo = mimeview_get_selected_part(mimeview);
1132         if (!partinfo) {
1133                 partinfo = (MimeInfo *) gtk_object_get_data
1134                         (GTK_OBJECT(mimeview->popupmenu),
1135                          "pop_partinfo");
1136                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1137                                     "pop_partinfo", NULL);
1138         }
1139         g_return_if_fail(partinfo != NULL);
1140
1141         filename = procmime_get_tmp_file_name(partinfo);
1142
1143         if (procmime_get_part(filename, mimeview->file, partinfo) < 0) {
1144                 alertpanel_error
1145                         (_("Can't save the part of multipart message."));
1146                 g_free(filename);
1147                 return;
1148         }
1149
1150         if (!prefs_common.mime_open_cmd_history)
1151                 prefs_common.mime_open_cmd_history =
1152                         add_history(NULL, prefs_common.mime_open_cmd);
1153
1154         cmd = input_dialog_combo
1155                 (_("Open with"),
1156                  _("Enter the command line to open file:\n"
1157                    "(`%s' will be replaced with file name)"),
1158                  prefs_common.mime_open_cmd,
1159                  prefs_common.mime_open_cmd_history,
1160                  TRUE);
1161         if (cmd) {
1162                 mimeview_view_file(filename, partinfo, cmd);
1163                 g_free(prefs_common.mime_open_cmd);
1164                 prefs_common.mime_open_cmd = cmd;
1165                 prefs_common.mime_open_cmd_history =
1166                         add_history(prefs_common.mime_open_cmd_history, cmd);
1167         }
1168
1169         g_free(filename);
1170 }
1171
1172 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1173                                const gchar *cmdline)
1174 {
1175         static gchar *default_image_cmdline = "display '%s'";
1176         static gchar *default_audio_cmdline = "play '%s'";
1177         static gchar *default_html_cmdline = DEFAULT_BROWSER_CMD;
1178         static gchar *mime_cmdline = "metamail -d -b -x -c %s '%s'";
1179         gchar buf[1024];
1180         gchar m_buf[1024];
1181         const gchar *cmd;
1182         const gchar *def_cmd;
1183         const gchar *p;
1184
1185         if (cmdline) {
1186                 cmd = cmdline;
1187                 def_cmd = NULL;
1188         } else if (MIME_APPLICATION_OCTET_STREAM == partinfo->mime_type) {
1189                 return;
1190         } else if (MIME_IMAGE == partinfo->mime_type) {
1191                 cmd = prefs_common.mime_image_viewer;
1192                 def_cmd = default_image_cmdline;
1193         } else if (MIME_AUDIO == partinfo->mime_type) {
1194                 cmd = prefs_common.mime_audio_player;
1195                 def_cmd = default_audio_cmdline;
1196         } else if (MIME_TEXT_HTML == partinfo->mime_type) {
1197                 cmd = prefs_common.uri_cmd;
1198                 def_cmd = default_html_cmdline;
1199         } else {
1200                 g_snprintf(m_buf, sizeof(m_buf), mime_cmdline,
1201                            partinfo->content_type, "%s");
1202                 cmd = m_buf;
1203                 def_cmd = NULL;
1204         }
1205
1206         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
1207             !strchr(p + 2, '%'))
1208                 g_snprintf(buf, sizeof(buf), cmd, filename);
1209         else {
1210                 if (cmd)
1211                         g_warning("MIME viewer command line is invalid: `%s'", cmd);
1212                 if (def_cmd)
1213                         g_snprintf(buf, sizeof(buf), def_cmd, filename);
1214                 else
1215                         return;
1216         }
1217
1218         execute_command_line(buf, TRUE);
1219 }
1220
1221 #if USE_GPGME
1222 static void update_node_name(GtkCTree *ctree, GtkCTreeNode *node,
1223                              gpointer data)
1224 {
1225         MimeInfo *partinfo;
1226         gchar *part_name;
1227
1228         partinfo = gtk_ctree_node_get_row_data(ctree, node);
1229         g_return_if_fail(partinfo != NULL);
1230
1231         part_name = get_part_name(partinfo);
1232         gtk_ctree_node_set_text(ctree, node, COL_NAME, part_name);
1233 }
1234
1235 static void mimeview_update_names(MimeView *mimeview)
1236 {
1237         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
1238
1239         gtk_ctree_pre_recursive(ctree, NULL, update_node_name, NULL);
1240 }
1241
1242 static void mimeview_update_signature_info(MimeView *mimeview)
1243 {
1244         MimeInfo *partinfo;
1245
1246         if (!mimeview) return;
1247         if (!mimeview->opened) return;
1248
1249         partinfo = mimeview_get_selected_part(mimeview);
1250         if (!partinfo) return;
1251
1252         if (g_strcasecmp(partinfo->content_type,
1253                          "application/pgp-signature") == 0) {
1254                 mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1255                 textview_show_signature_part(mimeview->textview, partinfo);
1256         }
1257 }
1258
1259 void mimeview_check_signature(MimeView *mimeview)
1260 {
1261         MimeInfo *mimeinfo;
1262         FILE *fp;
1263
1264         g_return_if_fail (mimeview_is_signed(mimeview));
1265         g_return_if_fail (gpg_started);
1266
1267         mimeinfo = gtk_ctree_node_get_row_data
1268                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
1269         g_return_if_fail(mimeinfo != NULL);
1270         g_return_if_fail(mimeview->file != NULL);
1271
1272         while (mimeinfo->parent)
1273                 mimeinfo = mimeinfo->parent;
1274
1275         if ((fp = fopen(mimeview->file, "rb")) == NULL) {
1276                 FILE_OP_ERROR(mimeview->file, "fopen");
1277                 return;
1278         }
1279
1280         rfc2015_check_signature(mimeinfo, fp);
1281         fclose(fp);
1282
1283         mimeview_update_names(mimeview);
1284         mimeview_update_signature_info(mimeview);
1285
1286         textview_show_message(mimeview->messageview->textview, mimeinfo,
1287                               mimeview->file);
1288
1289         mimeview_update(mimeview);
1290 }
1291 #endif /* USE_GPGME */
1292
1293 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
1294 {
1295         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
1296 }
1297
1298 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
1299 {
1300         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
1301 }
1302
1303 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
1304 {
1305         GSList *mimeview_list, *viewer_list;
1306
1307         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
1308                 MimeView *mimeview = (MimeView *) mimeview_list->data;
1309
1310                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
1311                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1312                         mimeview->mimeviewer = NULL;
1313                 }
1314
1315                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
1316                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
1317
1318                         mimeviewer->destroy_viewer(mimeviewer);
1319                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
1320                 }
1321         }
1322
1323         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
1324 }
1325
1326 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
1327 {
1328         gint      num;
1329         MimeInfo *partinfo;
1330
1331         num      = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "icon_number"));
1332         partinfo = gtk_object_get_data(GTK_OBJECT(button), "partinfo");
1333         if (event->button == 1) {
1334                 icon_selected(mimeview, num, partinfo);
1335                 gtk_widget_grab_focus(button);
1336
1337                 if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button)))
1338                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1339                 else
1340                         gtk_signal_emit_stop_by_name(GTK_OBJECT(button), "button_press_event");
1341         }
1342
1343         part_button_pressed(mimeview, event, partinfo);
1344
1345         return TRUE;
1346 }
1347
1348 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
1349 {
1350         if (num == 1 && (partinfo->mime_type == MIME_TEXT ||
1351                          partinfo->mime_type == MIME_TEXT_HTML))  {
1352                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->notebook), 0);
1353                 /* don't set the ctree, as it will unload the plugin, and
1354                  * we want to be able to switch quickly between the text
1355                  * part and the attachment */
1356         } else {
1357                 GtkCTreeNode *node;
1358                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->notebook), 1);
1359                 node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
1360                 if (node)
1361                         gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
1362         }
1363 }
1364
1365 #undef  KEY_PRESS_EVENT_STOP
1366 #define KEY_PRESS_EVENT_STOP() \
1367         if (gtk_signal_n_emissions_by_name \
1368                 (GTK_OBJECT(button), "key_press_event") > 0) { \
1369                 gtk_signal_emit_stop_by_name(GTK_OBJECT(button), \
1370                                              "key_press_event"); \
1371         }
1372 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
1373                              MimeView *mimeview)
1374 {
1375         gint          num;
1376         MimeInfo     *partinfo;
1377         SummaryView  *summaryview;
1378         TextView     *textview;
1379
1380         num      = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "icon_number"));
1381         partinfo = gtk_object_get_data(GTK_OBJECT(button), "partinfo");
1382
1383         if (!event) return FALSE;
1384
1385         if (gtk_notebook_get_current_page(GTK_NOTEBOOK(mimeview->notebook)) == 0)
1386                 textview = mimeview->messageview->textview;
1387         else
1388                 textview = mimeview->textview;
1389
1390         switch (event->keyval) {
1391         case GDK_space:
1392                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1393                         /* stop the button being untoggled */
1394                         KEY_PRESS_EVENT_STOP();
1395                         if (textview_scroll_page(textview, FALSE))
1396                                 return TRUE;
1397
1398                         if (icon_list_select_by_number(mimeview, num + 1))
1399                                 return TRUE;
1400                 } else {
1401                         icon_selected(mimeview, num, partinfo);
1402                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1403                         return TRUE;
1404                 }
1405
1406                 break;
1407         case GDK_BackSpace:
1408                 textview_scroll_page(textview, TRUE);
1409                 return TRUE;
1410         case GDK_Return:
1411                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1412                         KEY_PRESS_EVENT_STOP();
1413                         textview_scroll_one_line(textview,
1414                                                  (event->state & GDK_MOD1_MASK) != 0);
1415                         return TRUE;
1416                 } else {
1417                         icon_selected(mimeview, num, partinfo);
1418                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1419                         return TRUE;
1420                 }
1421
1422         case GDK_n:
1423         case GDK_N:
1424                 BREAK_ON_MODIFIER_KEY();
1425                 if (icon_list_select_by_number(mimeview, num + 1))
1426                         KEY_PRESS_EVENT_STOP();
1427                         return TRUE;
1428                 break;
1429
1430         case GDK_p:
1431         case GDK_P:
1432                 BREAK_ON_MODIFIER_KEY();
1433                 if (icon_list_select_by_number(mimeview, num - 1))
1434                         KEY_PRESS_EVENT_STOP();
1435                         return TRUE;
1436                 break;
1437
1438         case GDK_y:
1439                 BREAK_ON_MODIFIER_KEY();
1440                 if (gtk_notebook_get_current_page(GTK_NOTEBOOK(mimeview->notebook)) == 0)
1441                         break;
1442                 KEY_PRESS_EVENT_STOP();
1443                 mimeview_save_as(mimeview);
1444                 return TRUE;
1445         case GDK_t:
1446                 BREAK_ON_MODIFIER_KEY();
1447                 if (gtk_notebook_get_current_page(GTK_NOTEBOOK(mimeview->notebook)) == 0)
1448                         break;
1449                 KEY_PRESS_EVENT_STOP();
1450                 mimeview_display_as_text(mimeview);
1451                 return TRUE;
1452         case GDK_l:
1453                 BREAK_ON_MODIFIER_KEY();
1454                 if (gtk_notebook_get_current_page(GTK_NOTEBOOK(mimeview->notebook)) == 0)
1455                         break;
1456                 KEY_PRESS_EVENT_STOP();
1457                 mimeview_launch(mimeview);
1458                 return TRUE;
1459         default:
1460                 break;
1461         }
1462
1463         if (!mimeview->messageview->mainwin) return FALSE;
1464         summaryview = mimeview->messageview->mainwin->summaryview;
1465         summary_pass_key_press_event(summaryview, event);
1466         return TRUE;
1467 }
1468
1469 static void toggle_icon(GtkToggleButton *button, MimeView *mimeview)
1470 {
1471         GList *child;
1472
1473         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1474         for (; child != NULL; child = g_list_next(child)) {
1475                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1476                     GTK_TOGGLE_BUTTON(child->data) != button &&
1477                     gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(child->data)))
1478                         gtk_toggle_button_set_active
1479                                 (GTK_TOGGLE_BUTTON(child->data),
1480                                  FALSE);
1481         }
1482 }
1483
1484 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
1485 {
1486         GtkWidget *pixmap;
1487         GtkWidget *vbox;
1488         GtkWidget *button;
1489         GtkWidget *sep;
1490         gchar *tip;
1491         gchar *desc = NULL;
1492         StockPixmap stockp;
1493
1494         vbox = mimeview->icon_vbox;
1495         mimeview->icon_count++;
1496         if (mimeview->icon_count > 1) {
1497                 sep = gtk_hseparator_new();
1498                 gtk_widget_show(sep);
1499                 gtk_box_pack_start(GTK_BOX(vbox), sep, TRUE, TRUE, 3);
1500         }
1501         button = gtk_toggle_button_new();
1502         gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
1503         gtk_object_set_data(GTK_OBJECT(button), "icon_number",
1504                 GINT_TO_POINTER(mimeview->icon_count));
1505         gtk_object_set_data(GTK_OBJECT(button), "partinfo",
1506                 mimeinfo);
1507
1508         switch (mimeinfo->mime_type) {
1509
1510         case MIME_TEXT:
1511         case MIME_MESSAGE_RFC822:
1512                 stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
1513                 break;
1514         case MIME_TEXT_HTML:
1515                 stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
1516                 break;
1517         case MIME_APPLICATION:
1518 #ifdef USE_GPGME
1519                 if (mimeinfo->content_type
1520                         &&  g_strcasecmp(mimeinfo->content_type,
1521                                          "application/pgp-signature")  == 0) {
1522                         if (mimeinfo->sigstatus_full) {
1523                                 desc = mimeinfo->sigstatus;
1524                                 if (mimeinfo->sig_ok)
1525                                         stockp = STOCK_PIXMAP_MIME_GPG_PASSED;
1526                                 else if (mimeinfo->sig_unknown)
1527                                         stockp = STOCK_PIXMAP_MIME_GPG_UNKNOWN;
1528                                 else if (mimeinfo->sig_expired
1529                                          || mimeinfo->key_expired)
1530                                         stockp = STOCK_PIXMAP_MIME_GPG_EXPIRED;
1531                                 else
1532                                         stockp = STOCK_PIXMAP_MIME_GPG_FAILED;
1533                         } else
1534                                 stockp = STOCK_PIXMAP_MIME_GPG_SIGNED;
1535                 } else
1536 #endif
1537                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
1538                 break;
1539         case MIME_APPLICATION_OCTET_STREAM:
1540                 stockp = STOCK_PIXMAP_MIME_APPLICATION_OCTET_STREAM;
1541                 break;
1542         case MIME_IMAGE:
1543                 stockp = STOCK_PIXMAP_MIME_IMAGE;
1544                 break;
1545         case MIME_AUDIO:
1546                 stockp = STOCK_PIXMAP_MIME_AUDIO;
1547                 break;
1548         case MIME_TEXT_ENRICHED:
1549                 stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
1550                 break;
1551         default:
1552                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
1553                 break;
1554         }
1555
1556         pixmap = stock_pixmap_widget(mimeview->mainwin->window, stockp);
1557         gtk_container_add(GTK_CONTAINER(button), pixmap);
1558
1559         if (!desc) {
1560                 if (prefs_common.attach_desc)
1561                         desc = get_part_description(mimeinfo);
1562                 else
1563                         desc = get_part_name(mimeinfo);
1564         }
1565         if (desc && *desc)
1566                 tip = g_strdup_printf("%s\n%s\n%s", desc, mimeinfo->content_type,
1567                                 to_human_readable(mimeinfo->size));
1568         else
1569                 tip = g_strdup_printf("%s\n%s", mimeinfo->content_type,
1570                                 to_human_readable(mimeinfo->size));
1571
1572         gtk_tooltips_set_tip(mimeview->tooltips, button, tip, NULL);
1573         g_free(tip);
1574         gtk_widget_show_all(button);
1575         gtk_signal_connect(GTK_OBJECT(button), "button_press_event",
1576                            GTK_SIGNAL_FUNC(icon_clicked_cb), mimeview);
1577         gtk_signal_connect(GTK_OBJECT(button), "key_press_event",
1578                            GTK_SIGNAL_FUNC(icon_key_pressed), mimeview);
1579         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
1580
1581 }
1582
1583 static void icon_list_clear (MimeView *mimeview)
1584 {
1585         GList     *child;
1586         GtkAdjustment *adj;
1587
1588         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1589         for (; child != NULL; child = g_list_next(child)) {
1590                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
1591                                        GTK_WIDGET(child->data));
1592         }
1593         mimeview->icon_count = 0;
1594         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1595         adj->value = 0;
1596 }
1597
1598 static void icon_list_toggle_by_mime_info(MimeView      *mimeview,
1599                                           MimeInfo      *mimeinfo)
1600 {
1601         GList *child;
1602
1603         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1604         for (; child != NULL; child = g_list_next(child)) {
1605                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1606                     gtk_object_get_data(GTK_OBJECT(child->data),
1607                                         "partinfo") == (gpointer)mimeinfo) {
1608                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1609                         gtk_toggle_button_set_active
1610                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1611                 }
1612         }
1613 }
1614
1615 /*!
1616  *\brief        Used to 'click' the next or previous icon.
1617  *
1618  *\return       true if the icon 'number' exists and was selected.
1619  */
1620 static gboolean icon_list_select_by_number(MimeView     *mimeview,
1621                                            gint          number)
1622 {
1623         GList *child;
1624
1625         if (number == 0) return FALSE;
1626         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1627         for (; child != NULL; child = g_list_next(child)) {
1628                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1629                     GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(child->data),
1630                                         "icon_number")) == number) {
1631                         icon_selected(mimeview, number,
1632                                       (MimeInfo*)gtk_object_get_data(GTK_OBJECT(child->data),
1633                                                                      "partinfo"));
1634                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1635                         gtk_toggle_button_set_active
1636                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1637                         gtk_widget_grab_focus(GTK_WIDGET(child->data));
1638
1639                         return TRUE;
1640                 }
1641         }
1642         return FALSE;
1643 }
1644
1645 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
1646                                         GtkAllocation *size, MimeView *mimeview)
1647 {
1648         GtkAllocation *mainbox_size;
1649         GtkAllocation *vbox_size;
1650         GtkAllocation *layout_size;
1651         GtkAdjustment *adj;
1652
1653         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1654
1655         mainbox_size = &mimeview->icon_mainbox->allocation;
1656         vbox_size = &mimeview->icon_vbox->allocation;
1657         layout_size = &mimeview->icon_scroll->allocation;
1658
1659         /* centralise the vbox */
1660         gtk_layout_move(GTK_LAYOUT(mimeview->icon_scroll), mimeview->icon_vbox,
1661                         (mainbox_size->width - vbox_size->width)/2, 0);
1662
1663         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
1664                             GTK_LAYOUT(mimeview->icon_scroll)->width,
1665                             MAX(vbox_size->height, layout_size->height));
1666         adj->step_increment = 5;
1667 }
1668
1669 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
1670 {
1671         GtkRequisition size;
1672         gint           width;
1673         g_return_if_fail(mimeinfo != NULL);
1674
1675         if (mimeinfo->children)
1676                 mimeinfo = mimeinfo->children;
1677
1678         while (mimeinfo != NULL) {
1679                 if (mimeinfo->children)
1680                         icon_list_create(mimeview, mimeinfo);
1681                 else if (mimeinfo->sub &&
1682                          mimeinfo->sub->mime_type != MIME_TEXT &&
1683                          mimeinfo->sub->mime_type != MIME_TEXT_HTML)
1684                         icon_list_create(mimeview, mimeinfo->sub);
1685                 else
1686                         icon_list_append_icon(mimeview, mimeinfo);
1687                 mimeinfo = mimeinfo->next;
1688         }
1689         gtk_widget_size_request(mimeview->icon_vbox, &size);
1690         width = size.width + 4;
1691         if (width > mimeview->icon_mainbox->requisition.width) {
1692                 gtk_widget_set_usize(mimeview->icon_mainbox,
1693                                      width, -1);
1694         }
1695
1696 }
1697
1698 static void mime_toggle_button_cb (GtkWidget *button, MimeView *mimeview)
1699 {
1700         gtk_widget_ref(button);
1701
1702         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1703                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT,
1704                                         GTK_SHADOW_NONE);
1705                 gtk_widget_hide(mimeview->icon_mainbox);
1706                 gtk_widget_show(mimeview->ctree_mainbox);
1707                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
1708
1709                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
1710                                         button);
1711                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
1712                                    button, FALSE, FALSE, 0);
1713                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->notebook), 1);
1714         } else {
1715                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT,
1716                               GTK_SHADOW_NONE);
1717                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
1718                 gtk_widget_hide(mimeview->ctree_mainbox);
1719                 gtk_widget_show(mimeview->icon_mainbox);
1720                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
1721
1722                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
1723                                         button);
1724                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
1725                                    button, FALSE, FALSE, 0);
1726                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
1727                 if (mimeview->opened)
1728                         icon_list_toggle_by_mime_info
1729                                 (mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree),
1730                                                                        mimeview->opened));
1731
1732         }
1733         gtk_widget_grab_focus(button);
1734         gtk_widget_unref(button);
1735
1736 }
1737
1738 void mimeview_update (MimeView *mimeview) {
1739         if (mimeview && mimeview->mimeinfo) {
1740                 icon_list_clear(mimeview);
1741                 icon_list_create(mimeview, mimeview->mimeinfo);
1742         }
1743 }