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 "stock_pixmap.h"
  64 #include "gtk/gtkvscrollbutton.h"
  65
  66
  67 typedef enum
  68 {
  69         COL_MIMETYPE = 0,
  70         COL_SIZE     = 1,
  71         COL_NAME     = 2
  72 } MimeViewColumnPos;
  73
  74 #define N_MIMEVIEW_COLS 3
  75
  76 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  77                                                  MimeInfo       *mimeinfo,
  78                                                  GtkCTreeNode   *parent);
  79 static GtkCTreeNode *mimeview_append_part       (MimeView       *mimeview,
  80                                                  MimeInfo       *partinfo,
  81                                                  GtkCTreeNode   *parent);
  82 static void mimeview_show_message_part          (MimeView       *mimeview,
  83                                                  MimeInfo       *partinfo);
  84 static void mimeview_change_view_type           (MimeView       *mimeview,
  85                                                  MimeViewType    type);
  86 gchar *mimeview_get_filename_for_part           (MimeInfo       *partinfo,
  87                                                  const gchar    *basedir,
  88                                                  gint            number);
  89 static gboolean mimeview_write_part             (const gchar    *filename,
  90                                                  MimeInfo       *partinfo);
  91
  92 static void mimeview_selected           (GtkCTree       *ctree,
  93                                          GtkCTreeNode   *node,
  94                                          gint            column,
  95                                          MimeView       *mimeview);
  96 static void mimeview_start_drag         (GtkWidget      *widget,
  97                                          gint            button,
  98                                          GdkEvent       *event,
  99                                          MimeView       *mimeview);
 100 static gint mimeview_button_pressed     (GtkWidget      *widget,
 101                                          GdkEventButton *event,
 102                                          MimeView       *mimeview);
 103 static gint mimeview_key_pressed        (GtkWidget      *widget,
 104                                          GdkEventKey    *event,
 105                                          MimeView       *mimeview);
 106
 107 static void mimeview_drag_data_get      (GtkWidget        *widget,
 108                                          GdkDragContext   *drag_context,
 109                                          GtkSelectionData *selection_data,
 110                                          guint             info,
 111                                          guint             time,
 112                                          MimeView         *mimeview);
 113
 114 static void mimeview_display_as_text    (MimeView       *mimeview);
 115 static void mimeview_save_as            (MimeView       *mimeview);
 116 static void mimeview_save_all           (MimeView       *mimeview);
 117 static void mimeview_launch             (MimeView       *mimeview);
 118 static void mimeview_open_with          (MimeView       *mimeview);
 119 static void mimeview_view_file          (const gchar    *filename,
 120                                          MimeInfo       *partinfo,
 121                                          const gchar    *cmdline);
 122 static gboolean icon_clicked_cb         (GtkWidget      *button,
 123                                          GdkEventButton *event,
 124                                          MimeView       *mimeview);
 125 static void icon_selected               (MimeView       *mimeview,
 126                                          gint            num,
 127                                          MimeInfo       *partinfo);
 128 static gint icon_key_pressed            (GtkWidget      *button,
 129                                          GdkEventKey    *event,
 130                                          MimeView       *mimeview);
 131 static void toggle_icon                 (GtkToggleButton *button,
 132                                          MimeView       *mimeview);
 133 static void icon_list_append_icon       (MimeView       *mimeview,
 134                                          MimeInfo       *mimeinfo);
 135 static void icon_list_create            (MimeView       *mimeview,
 136                                          MimeInfo       *mimeinfo);
 137 static void icon_list_clear             (MimeView       *mimeview);
 138 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 139                                            MimeInfo     *mimeinfo);
 140 static gboolean icon_list_select_by_number(MimeView     *mimeview,
 141                                            gint          number);
 142 static void mime_toggle_button_cb       (GtkWidget      *button,
 143                                          MimeView       *mimeview);
 144 static void part_button_pressed         (MimeView       *mimeview,
 145                                          GdkEventButton *event,
 146                                          MimeInfo       *partinfo);
 147 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 148                                          GtkAllocation  *layout_size,
 149                                          MimeView       *mimeview);
 150
 151 static GtkItemFactoryEntry mimeview_popup_entries[] =
 152 {
 153         {N_("/_Open"),            NULL, mimeview_launch,          0, NULL},
 154         {N_("/Open _with..."),    NULL, mimeview_open_with,       0, NULL},
 155         {N_("/_Display as text"), NULL, mimeview_display_as_text, 0, NULL},
 156         {N_("/_Save as..."),      NULL, mimeview_save_as,         0, NULL},
 157         {N_("/Save _all..."),     NULL, mimeview_save_all,        0, NULL},
 158 };
 159
 160 static GtkTargetEntry mimeview_mime_types[] =
 161 {
 162         {"text/uri-list", 0, 0}
 163 };
 164
 165 GSList *mimeviewer_factories;
 166 GSList *mimeviews;
 167
 168 MimeView *mimeview_create(MainWindow *mainwin)
 169 {
 170         MimeView *mimeview;
 171
 172         GtkWidget *paned;
 173         GtkWidget *scrolledwin;
 174         GtkWidget *ctree;
 175         GtkWidget *mime_notebook;
 176         GtkWidget *popupmenu;
 177         GtkWidget *ctree_mainbox;
 178         GtkWidget *vbox;
 179         GtkWidget *mime_toggle;
 180         GtkWidget *icon_mainbox;
 181         GtkWidget *icon_scroll;
 182         GtkWidget *icon_vbox;
 183         GtkWidget *arrow;
 184         GtkWidget *scrollbutton;
 185         GtkWidget *hbox;
 186         GtkTooltips *tooltips;
 187         GtkItemFactory *popupfactory;
 188         NoticeView *siginfoview;
 189         gchar *titles[N_MIMEVIEW_COLS];
 190         gint n_entries;
 191         gint i;
 192
 193         debug_print("Creating MIME view...\n");
 194         mimeview = g_new0(MimeView, 1);
 195
 196         titles[COL_MIMETYPE] = _("MIME Type");
 197         titles[COL_SIZE]     = _("Size");
 198         titles[COL_NAME]     = _("Name");
 199
 200         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 201         gtk_widget_show(scrolledwin);
 202         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 203                                        GTK_POLICY_AUTOMATIC,
 204                                        GTK_POLICY_ALWAYS);
 205
 206         ctree = gtk_sctree_new_with_titles(N_MIMEVIEW_COLS, 0, titles);
 207         gtk_widget_show(ctree);
 208         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 209         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 210         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_SIZE,
 211                                            GTK_JUSTIFY_RIGHT);
 212         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_MIMETYPE, 240);
 213         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_SIZE, 90);
 214         for (i = 0; i < N_MIMEVIEW_COLS; i++)
 215                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 216                                        GTK_CAN_FOCUS);
 217         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 218
 219         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
 220                            GTK_SIGNAL_FUNC(mimeview_selected), mimeview);
 221         gtk_signal_connect(GTK_OBJECT(ctree), "button_release_event",
 222                            GTK_SIGNAL_FUNC(mimeview_button_pressed), mimeview);
 223         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
 224                            GTK_SIGNAL_FUNC(mimeview_key_pressed), mimeview);
 225         gtk_signal_connect(GTK_OBJECT (ctree),"start_drag",
 226                            GTK_SIGNAL_FUNC (mimeview_start_drag), mimeview);
 227         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_get",
 228                            GTK_SIGNAL_FUNC(mimeview_drag_data_get), mimeview);
 229
 230         mime_notebook = gtk_notebook_new();
 231         gtk_widget_show(mime_notebook);
 232         GTK_WIDGET_UNSET_FLAGS(mime_notebook, GTK_CAN_FOCUS);
 233         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 234         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 235
 236         icon_vbox = gtk_vbox_new(FALSE, 2);
 237         gtk_widget_show(icon_vbox);
 238         icon_scroll = gtk_layout_new(NULL, NULL);
 239         gtk_widget_show(icon_scroll);
 240         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 241         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 242         gtk_widget_show(scrollbutton);
 243
 244         mime_toggle = gtk_toggle_button_new();
 245         gtk_widget_show(mime_toggle);
 246         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 247         gtk_widget_show(arrow);
 248         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 249         gtk_signal_connect(GTK_OBJECT(mime_toggle), "toggled",
 250                            GTK_SIGNAL_FUNC(mime_toggle_button_cb), mimeview);
 251
 252         icon_mainbox = gtk_vbox_new(FALSE, 0);
 253         gtk_widget_show(icon_mainbox);
 254         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 255         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 256         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 257         gtk_signal_connect(GTK_OBJECT(icon_mainbox), "size_allocate",
 258                         GTK_SIGNAL_FUNC(icon_scroll_size_allocate_cb), mimeview);
 259
 260         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 261         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 262
 263         n_entries = sizeof(mimeview_popup_entries) /
 264                 sizeof(mimeview_popup_entries[0]);
 265         popupmenu = menu_create_items(mimeview_popup_entries, n_entries,
 266                                       "<MimeView>", &popupfactory, mimeview);
 267         tooltips = gtk_tooltips_new();
 268         gtk_tooltips_set_delay(tooltips, 0);
 269
 270         vbox = gtk_vbox_new(FALSE, 0);
 271         gtk_widget_show(vbox);
 272         siginfoview = noticeview_create(mainwin);
 273         noticeview_hide(siginfoview);
 274         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 275         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 276
 277         paned = gtk_vpaned_new();
 278         gtk_widget_show(paned);
 279         gtk_paned_set_gutter_size(GTK_PANED(paned), 0);
 280         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 281         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 282
 283         hbox = gtk_hbox_new(FALSE, 0);
 284         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 285         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 286
 287         gtk_widget_show(hbox);
 288         gtk_widget_hide(ctree_mainbox);
 289
 290         mimeview->hbox          = hbox;
 291         mimeview->paned         = paned;
 292         mimeview->scrolledwin   = scrolledwin;
 293         mimeview->ctree         = ctree;
 294         mimeview->mime_notebook = mime_notebook;
 295         mimeview->popupmenu     = popupmenu;
 296         mimeview->popupfactory  = popupfactory;
 297         mimeview->type          = -1;
 298         mimeview->ctree_mainbox = ctree_mainbox;
 299         mimeview->icon_scroll   = icon_scroll;
 300         mimeview->icon_vbox     = icon_vbox;
 301         mimeview->icon_mainbox  = icon_mainbox;
 302         mimeview->icon_count    = 0;
 303         mimeview->mainwin       = mainwin;
 304         mimeview->tooltips      = tooltips;
 305         mimeview->oldsize       = 60;
 306         mimeview->mime_toggle   = mime_toggle;
 307         mimeview->siginfoview   = siginfoview;
 308
 309         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 310
 311         mimeviews = g_slist_prepend(mimeviews, mimeview);
 312
 313         return mimeview;
 314 }
 315
 316 void mimeview_init(MimeView *mimeview)
 317 {
 318         textview_init(mimeview->textview);
 319
 320         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 321                 GTK_WIDGET_PTR(mimeview->textview));
 322 }
 323
 324 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 325                            const gchar *file)
 326 {
 327         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 328         GtkCTreeNode *node;
 329
 330         mimeview_clear(mimeview);
 331
 332         g_return_if_fail(file != NULL);
 333         g_return_if_fail(mimeinfo != NULL);
 334
 335         mimeview->mimeinfo = mimeinfo;
 336
 337         mimeview->file = g_strdup(file);
 338
 339         gtk_signal_handler_block_by_func(GTK_OBJECT(ctree), mimeview_selected,
 340                                          mimeview);
 341
 342         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 343         icon_list_create(mimeview, mimeinfo);
 344
 345         gtk_signal_handler_unblock_by_func(GTK_OBJECT(ctree),
 346                                            mimeview_selected, mimeview);
 347
 348         node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 349         if (node) {
 350                 gtk_ctree_select(ctree, node);
 351                 icon_list_toggle_by_mime_info
 352                         (mimeview, gtk_ctree_node_get_row_data(ctree, node));
 353                 gtkut_ctree_set_focus_row(ctree, node);
 354         }
 355 }
 356
 357 void mimeview_destroy(MimeView *mimeview)
 358 {
 359         GSList *cur;
 360
 361         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 362                 MimeViewer *viewer = (MimeViewer *) cur->data;
 363                 gtk_container_remove(GTK_CONTAINER(mimeview->mime_notebook),
 364                         GTK_WIDGET(viewer->get_widget(viewer)));
 365                 viewer->destroy_viewer(viewer);
 366         }
 367         g_slist_free(mimeview->viewers);
 368         gtk_target_list_unref(mimeview->target_list);
 369
 370         procmime_mimeinfo_free_all(mimeview->mimeinfo);
 371         g_free(mimeview->file);
 372         g_free(mimeview);
 373
 374         mimeviews = g_slist_remove(mimeviews, mimeview);
 375
 376 }
 377
 378 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 379 {
 380         return gtk_ctree_node_get_row_data
 381                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 382 }
 383
 384 static void mimeview_set_multipart_tree(MimeView *mimeview,
 385                                         MimeInfo *mimeinfo,
 386                                         GtkCTreeNode *parent)
 387 {
 388         GtkCTreeNode *node;
 389
 390         g_return_if_fail(mimeinfo != NULL);
 391
 392         while (mimeinfo != NULL) {
 393                 node = mimeview_append_part(mimeview, mimeinfo, parent);
 394
 395                 if (mimeinfo->node->children)
 396                         mimeview_set_multipart_tree(mimeview, (MimeInfo *) mimeinfo->node->children->data, node);
 397                 mimeinfo = mimeinfo->node->next != NULL ? (MimeInfo *) mimeinfo->node->next->data : NULL;
 398         }
 399 }
 400
 401 static const gchar *get_part_name(MimeInfo *partinfo)
 402 {
 403         const gchar *name;
 404
 405         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 406         if (name == NULL)
 407                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 408         if (name == NULL)
 409                 name = "";
 410
 411         return name;
 412 }
 413
 414 static const gchar *get_part_description(MimeInfo *partinfo)
 415 {
 416         if (partinfo->description)
 417                 return partinfo->description;
 418         else
 419                 return get_part_name(partinfo);
 420 }
 421
 422 static GtkCTreeNode *mimeview_append_part(MimeView *mimeview,
 423                                           MimeInfo *partinfo,
 424                                           GtkCTreeNode *parent)
 425 {
 426         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 427         GtkCTreeNode *node;
 428         static gchar content_type[64];
 429         gchar *str[N_MIMEVIEW_COLS];
 430
 431         if (partinfo->type != MIMETYPE_UNKNOWN && partinfo->subtype) {
 432                 g_snprintf(content_type, 64, "%s/%s", procmime_get_media_type_str(partinfo->type), partinfo->subtype);
 433         } else {
 434                 g_snprintf(content_type, 64, "UNKNOWN");
 435         }
 436
 437         str[COL_MIMETYPE] = content_type;
 438         str[COL_SIZE] = to_human_readable(partinfo->length);
 439         if (prefs_common.attach_desc)
 440                 str[COL_NAME] = (gchar *) get_part_description(partinfo);
 441         else
 442                 str[COL_NAME] = (gchar *) get_part_name(partinfo);
 443
 444         node = gtk_ctree_insert_node(ctree, parent, NULL, str, 0,
 445                                      NULL, NULL, NULL, NULL,
 446                                      FALSE, TRUE);
 447         gtk_ctree_node_set_row_data(ctree, node, partinfo);
 448
 449         return node;
 450 }
 451
 452 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 453 {
 454         FILE *fp;
 455         const gchar *fname;
 456
 457         if (!partinfo) return;
 458
 459         fname = mimeview->file;
 460         if (!fname) return;
 461
 462         if ((fp = fopen(fname, "rb")) == NULL) {
 463                 FILE_OP_ERROR(fname, "fopen");
 464                 return;
 465         }
 466
 467         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 468                 FILE_OP_ERROR(mimeview->file, "fseek");
 469                 fclose(fp);
 470                 return;
 471         }
 472
 473         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 474         textview_show_part(mimeview->textview, partinfo, fp);
 475
 476         fclose(fp);
 477 }
 478
 479 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 480 {
 481         GSList *cur;
 482         MimeViewerFactory *factory = NULL;
 483         MimeViewer *viewer = NULL;
 484
 485 /*
 486  * FNM_CASEFOLD is a GNU extension
 487  * if its not defined copy the string to the stack and
 488  * convert the copy to lower case
 489  */
 490 #ifndef FNM_CASEFOLD
 491 #define FNM_CASEFOLD 0
 492         Xstrdup_a(content_type, content_type, return NULL);
 493         g_strdown((gchar *)content_type);
 494 #endif
 495
 496         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 497                 MimeViewerFactory *curfactory = cur->data;
 498                 gint i = 0;
 499
 500                 while (curfactory->content_types[i] != NULL) {
 501                         if(!fnmatch(curfactory->content_types[i], content_type, FNM_CASEFOLD)) {
 502                                 debug_print("%s\n", curfactory->content_types[i]);
 503                                 factory = curfactory;
 504                                 break;
 505                         }
 506                         i++;
 507                 }
 508                 if (factory != NULL)
 509                         break;
 510         }
 511         if (factory == NULL)
 512                 return NULL;
 513
 514         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 515                 MimeViewer *curviewer = cur->data;
 516
 517                 if (curviewer->factory == factory)
 518                         return curviewer;
 519         }
 520         viewer = factory->create_viewer();
 521         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 522                 GTK_WIDGET(viewer->get_widget(viewer)));
 523
 524         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 525
 526         return viewer;
 527 }
 528
 529 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 530 {
 531         gchar *content_type = NULL;
 532         MimeViewer *viewer = NULL;
 533
 534         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 535             (!g_strcasecmp(partinfo->subtype, "octet-stream"))) {
 536                 const gchar *filename;
 537
 538                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 539                 if (filename == NULL)
 540                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 541                 if (filename != NULL)
 542                         content_type = procmime_get_mime_type(filename);
 543         } else {
 544                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 545         }
 546
 547         if (content_type != NULL) {
 548                 viewer = get_viewer_for_content_type(mimeview, content_type);
 549                 g_free(content_type);
 550         }
 551
 552         return viewer;
 553 }
 554
 555 static gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 556 {
 557         MimeViewer *viewer;
 558
 559         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 560         if (viewer == NULL) {
 561                 if (mimeview->mimeviewer != NULL)
 562                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 563                 mimeview->mimeviewer = NULL;
 564                 return FALSE;
 565         }
 566
 567         if (mimeview->mimeviewer != viewer) {
 568                 if (mimeview->mimeviewer != NULL)
 569                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 570                 mimeview->mimeviewer = viewer;
 571                 mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 572         }
 573         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 574
 575         return TRUE;
 576 }
 577
 578 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 579 {
 580         TextView  *textview  = mimeview->textview;
 581
 582         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 583             (mimeview->type == type)) return;
 584
 585         switch (type) {
 586         case MIMEVIEW_TEXT:
 587                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 588                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 589                         GTK_WIDGET_PTR(textview)));
 590                 break;
 591         case MIMEVIEW_VIEWER:
 592                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 593                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 594                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 595                 break;
 596         default:
 597                 return;
 598         }
 599
 600         mimeview->type = type;
 601 }
 602
 603 void mimeview_clear(MimeView *mimeview)
 604 {
 605         GtkCList *clist = GTK_CLIST(mimeview->ctree);
 606
 607         noticeview_hide(mimeview->siginfoview);
 608
 609         gtk_clist_clear(clist);
 610         textview_clear(mimeview->textview);
 611         if (mimeview->mimeviewer != NULL)
 612                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 613
 614         if (mimeview->mimeinfo != NULL)
 615                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 616         mimeview->mimeinfo = NULL;
 617
 618         mimeview->opened = NULL;
 619
 620         g_free(mimeview->file);
 621         mimeview->file = NULL;
 622
 623         icon_list_clear(mimeview);
 624 }
 625
 626 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
 627 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
 628
 629 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo)
 630 {
 631         gchar *text = NULL, *button_text = NULL;
 632         GtkSignalFunc func = NULL;
 633         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 634
 635         g_return_if_fail(mimeview != NULL);
 636         g_return_if_fail(mimeinfo != NULL);
 637
 638         switch (privacy_mimeinfo_get_sig_status(mimeinfo)) {
 639         case SIGNATURE_UNCHECKED:
 640                 button_text = _("Check");
 641                 func = check_signature_cb;
 642                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 643                 break;
 644         case SIGNATURE_OK:
 645                 button_text = _("Full info");
 646                 func = display_full_info_cb;
 647                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
 648                 break;
 649         case SIGNATURE_WARN:
 650                 button_text = _("Full info");
 651                 func = display_full_info_cb;
 652                 icon = STOCK_PIXMAP_PRIVACY_WARN;
 653                 break;
 654         case SIGNATURE_INVALID:
 655                 button_text = _("Full info");
 656                 func = display_full_info_cb;
 657                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
 658                 break;
 659         case SIGNATURE_CHECK_FAILED:
 660                 button_text = _("Check again");
 661                 func = check_signature_cb;
 662                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 663         default:
 664                 break;
 665         }
 666         text = privacy_mimeinfo_sig_info_short(mimeinfo);
 667         noticeview_set_text(mimeview->siginfoview, text);
 668         g_free(text);
 669         noticeview_set_button_text(mimeview->siginfoview, button_text);
 670         noticeview_set_button_press_callback(
 671                 mimeview->siginfoview,
 672                 func,
 673                 (gpointer) mimeview);
 674         noticeview_set_icon(mimeview->siginfoview, icon);
 675 }
 676
 677 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
 678 {
 679         MimeView *mimeview = (MimeView *) user_data;
 680         MimeInfo *mimeinfo = mimeview->siginfo;
 681
 682         privacy_mimeinfo_check_signature(mimeinfo);
 683         update_signature_noticeview(mimeview, mimeview->siginfo);
 684         icon_list_clear(mimeview);
 685         icon_list_create(mimeview, mimeview->mimeinfo);
 686 }
 687
 688 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
 689 {
 690         MimeView *mimeview = (MimeView *) user_data;
 691         gchar *siginfo;
 692
 693         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
 694         textview_set_text(mimeview->textview, siginfo);
 695         g_free(siginfo);
 696         noticeview_set_button_text(mimeview->siginfoview, NULL);
 697 }
 698
 699 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
 700 {
 701         MimeInfo *siginfo;
 702
 703         g_return_if_fail(mimeview != NULL);
 704         g_return_if_fail(selected != NULL);
 705
 706         siginfo = selected;
 707         while (siginfo != NULL) {
 708                 if (privacy_mimeinfo_is_signed(siginfo))
 709                         break;
 710                 siginfo = procmime_mimeinfo_parent(siginfo);
 711         }
 712         mimeview->siginfo = siginfo;
 713
 714         if (siginfo == NULL) {
 715                 noticeview_hide(mimeview->siginfoview);
 716                 return;
 717         }
 718
 719         update_signature_noticeview(mimeview, siginfo);
 720         noticeview_show(mimeview->siginfoview);
 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         update_signature_info(mimeview, partinfo);
 745
 746         if (!mimeview_show_part(mimeview, partinfo)) {
 747                 switch (partinfo->type) {
 748                 case MIMETYPE_TEXT:
 749                 case MIMETYPE_MESSAGE:
 750                 case MIMETYPE_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                         textview_show_mime_part(mimeview->textview, partinfo);
 758                         break;
 759                 }
 760         }
 761 }
 762
 763 static void mimeview_start_drag(GtkWidget *widget, gint button,
 764                                 GdkEvent *event, MimeView *mimeview)
 765 {
 766         GdkDragContext *context;
 767         MimeInfo *partinfo;
 768
 769         g_return_if_fail(mimeview != NULL);
 770
 771         partinfo = mimeview_get_selected_part(mimeview);
 772         if (partinfo->disposition == DISPOSITIONTYPE_INLINE) return;
 773
 774         context = gtk_drag_begin(widget, mimeview->target_list,
 775                                  GDK_ACTION_COPY, button, event);
 776         gtk_drag_set_icon_default(context);
 777 }
 778
 779 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
 780                                     MimeView *mimeview)
 781 {
 782         GtkCList *clist = GTK_CLIST(widget);
 783         gint row, column;
 784
 785         if (!event) return FALSE;
 786
 787         if (event->button == 2 || event->button == 3) {
 788                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
 789                                                   &row, &column))
 790                         return FALSE;
 791                 gtk_clist_unselect_all(clist);
 792                 gtk_clist_select_row(clist, row, column);
 793                 gtkut_clist_set_focus_row(clist, row);
 794         }
 795         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
 796
 797         return TRUE;
 798 }
 799
 800 /* from gdkevents.c */
 801 #define DOUBLE_CLICK_TIME 250
 802
 803 static void part_button_pressed(MimeView *mimeview, GdkEventButton *event,
 804                                 MimeInfo *partinfo)
 805 {
 806         static MimeInfo *lastinfo;
 807         static guint32 lasttime;
 808
 809         if (event->button == 2 ||
 810             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
 811                 /* call external program for image, audio or html */
 812                 mimeview_launch(mimeview);
 813         } else if (event->button == 3) {
 814                 if (partinfo && (partinfo->type == MIMETYPE_TEXT ||
 815                                  partinfo->type == MIMETYPE_MESSAGE ||
 816                                  partinfo->type == MIMETYPE_IMAGE ||
 817                                  partinfo->type == MIMETYPE_MULTIPART))
 818                         menu_set_sensitive(mimeview->popupfactory,
 819                                            "/Display as text", FALSE);
 820                 else
 821                         menu_set_sensitive(mimeview->popupfactory,
 822                                            "/Display as text", TRUE);
 823                 if (partinfo &&
 824                     partinfo->type == MIMETYPE_APPLICATION &&
 825                     !g_strcasecmp(partinfo->subtype, "octet-stream"))
 826                         menu_set_sensitive(mimeview->popupfactory,
 827                                            "/Open", FALSE);
 828                 else
 829                         menu_set_sensitive(mimeview->popupfactory,
 830                                            "/Open", TRUE);
 831
 832                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
 833                                     "pop_partinfo", partinfo);
 834
 835                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
 836                                NULL, NULL, NULL, NULL,
 837                                event->button, event->time);
 838         }
 839
 840         lastinfo = partinfo;
 841         lasttime = event->time;
 842 }
 843
 844
 845 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
 846 {
 847         mimeview_key_pressed(mimeview->ctree, event, mimeview);
 848 }
 849
 850 #define BREAK_ON_MODIFIER_KEY() \
 851         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
 852
 853 #define KEY_PRESS_EVENT_STOP() \
 854         if (gtk_signal_n_emissions_by_name \
 855                 (GTK_OBJECT(ctree), "key_press_event") > 0) { \
 856                 gtk_signal_emit_stop_by_name(GTK_OBJECT(ctree), \
 857                                              "key_press_event"); \
 858         }
 859
 860 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
 861                                  MimeView *mimeview)
 862 {
 863         SummaryView *summaryview;
 864         GtkCTree *ctree = GTK_CTREE(widget);
 865         GtkCTreeNode *node;
 866
 867         if (!event) return FALSE;
 868         if (!mimeview->opened) return FALSE;
 869
 870         switch (event->keyval) {
 871         case GDK_space:
 872                 if (textview_scroll_page(mimeview->textview, FALSE))
 873                         return TRUE;
 874
 875                 node = GTK_CTREE_NODE_NEXT(mimeview->opened);
 876                 if (node) {
 877                         gtk_sctree_unselect_all(GTK_SCTREE(ctree));
 878                         gtk_sctree_select(GTK_SCTREE(ctree), node);
 879                         return TRUE;
 880                 }
 881                 break;
 882         case GDK_BackSpace:
 883                 textview_scroll_page(mimeview->textview, TRUE);
 884                 return TRUE;
 885         case GDK_Return:
 886                 textview_scroll_one_line(mimeview->textview,
 887                                          (event->state & GDK_MOD1_MASK) != 0);
 888                 return TRUE;
 889         case GDK_n:
 890         case GDK_N:
 891                 BREAK_ON_MODIFIER_KEY();
 892                 if (!GTK_CTREE_NODE_NEXT(mimeview->opened)) break;
 893                 KEY_PRESS_EVENT_STOP();
 894
 895                 gtk_signal_emit_by_name(GTK_OBJECT(ctree), "scroll_vertical",
 896                                         GTK_SCROLL_STEP_FORWARD, 0.0);
 897                 return TRUE;
 898         case GDK_p:
 899         case GDK_P:
 900                 BREAK_ON_MODIFIER_KEY();
 901                 if (!GTK_CTREE_NODE_PREV(mimeview->opened)) break;
 902                 KEY_PRESS_EVENT_STOP();
 903
 904                 gtk_signal_emit_by_name(GTK_OBJECT(ctree), "scroll_vertical",
 905                                         GTK_SCROLL_STEP_BACKWARD, 0.0);
 906                 return TRUE;
 907         case GDK_y:
 908                 BREAK_ON_MODIFIER_KEY();
 909                 KEY_PRESS_EVENT_STOP();
 910                 mimeview_save_as(mimeview);
 911                 return TRUE;
 912         case GDK_t:
 913                 BREAK_ON_MODIFIER_KEY();
 914                 KEY_PRESS_EVENT_STOP();
 915                 mimeview_display_as_text(mimeview);
 916                 return TRUE;
 917         case GDK_l:
 918                 BREAK_ON_MODIFIER_KEY();
 919                 KEY_PRESS_EVENT_STOP();
 920                 mimeview_launch(mimeview);
 921                 return TRUE;
 922         case GDK_o:
 923                 BREAK_ON_MODIFIER_KEY();
 924                 KEY_PRESS_EVENT_STOP();
 925                 mimeview_open_with(mimeview);
 926                 return TRUE;
 927         default:
 928                 break;
 929         }
 930
 931         if (!mimeview->messageview->mainwin) return FALSE;
 932         summaryview = mimeview->messageview->mainwin->summaryview;
 933         summary_pass_key_press_event(summaryview, event);
 934         return TRUE;
 935 }
 936
 937 static void mimeview_drag_data_get(GtkWidget        *widget,
 938                                    GdkDragContext   *drag_context,
 939                                    GtkSelectionData *selection_data,
 940                                    guint             info,
 941                                    guint             time,
 942                                    MimeView         *mimeview)
 943 {
 944         gchar *filename, *uriname;
 945         MimeInfo *partinfo;
 946
 947         if (!mimeview->opened) return;
 948         if (!mimeview->file) return;
 949
 950         partinfo = mimeview_get_selected_part(mimeview);
 951         if (!partinfo) return;
 952
 953         filename = g_basename(get_part_name(partinfo));
 954         if (*filename == '\0') return;
 955
 956         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
 957                                filename, NULL);
 958
 959         if (procmime_get_part(filename, partinfo) < 0)
 960                 alertpanel_error
 961                         (_("Can't save the part of multipart message."));
 962
 963         uriname = g_strconcat("file://", filename, NULL);
 964         gtk_selection_data_set(selection_data, selection_data->target, 8,
 965                                uriname, strlen(uriname));
 966
 967         g_free(uriname);
 968         g_free(filename);
 969 }
 970
 971 /**
 972  * Returns a filename (with path) for an attachment
 973  * \param partinfo The attachment to save
 974  * \param basedir The target directory
 975  * \param number Used for dummy filename if attachment is unnamed
 976  */
 977 gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
 978                                       const gchar *basedir,
 979                                       gint number)
 980 {
 981         gchar *fullname;
 982         gchar *filename;
 983
 984         filename = g_strdup(get_part_name(partinfo));
 985         if (!filename || !*filename)
 986                 filename = g_strdup_printf("noname.%d", number);
 987         subst_for_shellsafe_filename(filename);
 988
 989         fullname = g_strconcat
 990                 (basedir, G_DIR_SEPARATOR_S, (filename[0] == G_DIR_SEPARATOR)
 991                  ? &filename[1] : filename, NULL);
 992         subst_chars(fullname, "/\\", G_DIR_SEPARATOR);
 993
 994         g_free(filename);
 995         return fullname;
 996 }
 997
 998 /**
 999  * Write a single attachment to file
1000  * \param filename Filename with path
1001  * \param partinfo Attachment to save
1002  */
1003 static gboolean mimeview_write_part(const gchar *filename,
1004                                     MimeInfo *partinfo)
1005 {
1006         gchar *dir;
1007
1008         dir= g_dirname(filename);
1009         if (!is_dir_exist(dir))
1010                 make_dir_hier(dir);
1011         g_free(dir);
1012
1013         if (is_file_exist(filename)) {
1014                 AlertValue aval;
1015                 gchar *res;
1016
1017                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1018                                       filename);
1019                 aval = alertpanel(_("Overwrite"), res, _("OK"),
1020                                   _("Cancel"), NULL);
1021                 g_free(res);
1022                 if (G_ALERTDEFAULT != aval) return FALSE;
1023         }
1024
1025         if (procmime_get_part(filename, partinfo) < 0) {
1026                 alertpanel_error
1027                         (_("Can't save the part of multipart message."));
1028                 return FALSE;
1029         }
1030
1031         return TRUE;
1032 }
1033
1034 /**
1035  * Menu callback: Save all attached files
1036  * \param mimeview Current display
1037  */
1038 static void mimeview_save_all(MimeView *mimeview)
1039 {
1040         MimeInfo *partinfo;
1041         gchar *dirname;
1042         gchar *startdir = NULL;
1043         gint number = 1;
1044
1045         if (!mimeview->opened) return;
1046         if (!mimeview->file) return;
1047         if (!mimeview->mimeinfo) return;
1048
1049         partinfo = mimeview->mimeinfo;
1050         if (prefs_common.attach_save_dir)
1051                 startdir = g_strconcat(prefs_common.attach_save_dir,
1052                                        G_DIR_SEPARATOR_S, NULL);
1053
1054         dirname = filesel_select_file(_("Select destination folder"), startdir);
1055         if (!dirname) {
1056                 if (startdir) g_free(startdir);
1057                 return;
1058         }
1059
1060         if (!is_dir_exist (dirname)) {
1061                 alertpanel_error(_("`%s' is not a directory."),
1062                                  dirname);
1063                 if (startdir) g_free(startdir);
1064                 return;
1065         }
1066
1067         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1068                 dirname[strlen(dirname)-1] = '\0';
1069
1070         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1071         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1072                 partinfo = procmime_mimeinfo_next(partinfo);
1073         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1074                 partinfo = procmime_mimeinfo_next(partinfo);
1075                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1076                         partinfo = procmime_mimeinfo_next(partinfo);
1077         }
1078
1079         while (partinfo != NULL) {
1080                 if (partinfo->type != MIMETYPE_MESSAGE &&
1081                     partinfo->type != MIMETYPE_MULTIPART &&
1082                     partinfo->disposition != DISPOSITIONTYPE_INLINE) {
1083                         gchar *filename = mimeview_get_filename_for_part
1084                                 (partinfo, dirname, number++);
1085
1086                         mimeview_write_part(filename, partinfo);
1087                         g_free(filename);
1088                 }
1089                 partinfo = procmime_mimeinfo_next(partinfo);
1090         }
1091
1092         if (prefs_common.attach_save_dir)
1093                 g_free(prefs_common.attach_save_dir);
1094
1095         prefs_common.attach_save_dir = g_strdup(dirname);
1096
1097         if (startdir) g_free(startdir);
1098 }
1099
1100 /**
1101  * Menu callback: Save the selected attachment
1102  * \param mimeview Current display
1103  */
1104 static void mimeview_save_as(MimeView *mimeview)
1105 {
1106         gchar *filename;
1107         gchar *filepath = NULL;
1108         gchar *filedir = NULL;
1109         MimeInfo *partinfo;
1110         const gchar *partname = NULL;
1111
1112         if (!mimeview->opened) return;
1113         if (!mimeview->file) return;
1114
1115         partinfo = mimeview_get_selected_part(mimeview);
1116         if (!partinfo) {
1117                 partinfo = (MimeInfo *) gtk_object_get_data
1118                         (GTK_OBJECT(mimeview->popupmenu),
1119                          "pop_partinfo");
1120                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1121                                     "pop_partinfo", NULL);
1122         }
1123         g_return_if_fail(partinfo != NULL);
1124
1125         if ((partname = get_part_name(partinfo)) == NULL) {
1126                 return;
1127         }
1128
1129         if (prefs_common.attach_save_dir)
1130                 filepath = g_strconcat(prefs_common.attach_save_dir,
1131                                        G_DIR_SEPARATOR_S, partname, NULL);
1132         else
1133                 filepath = g_strdup(partname);
1134
1135         filename = filesel_select_file(_("Save as"), filepath);
1136         if (!filename) {
1137                 g_free(filepath);
1138                 return;
1139         }
1140
1141         mimeview_write_part(filename, partinfo);
1142
1143         filedir = g_dirname(filename);
1144         if (filedir && strcmp(filedir, ".")) {
1145                 if (prefs_common.attach_save_dir)
1146                         g_free(prefs_common.attach_save_dir);
1147                 prefs_common.attach_save_dir = g_strdup(filedir);
1148         }
1149
1150         g_free(filedir);
1151         g_free(filepath);
1152 }
1153
1154 static void mimeview_display_as_text(MimeView *mimeview)
1155 {
1156         MimeInfo *partinfo;
1157
1158         if (!mimeview->opened) return;
1159
1160         partinfo = mimeview_get_selected_part(mimeview);
1161         if (!partinfo)  {
1162                 partinfo = (MimeInfo *) gtk_object_get_data
1163                         (GTK_OBJECT(mimeview->popupmenu),
1164                          "pop_partinfo");
1165                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1166                                     "pop_partinfo", NULL);
1167
1168         }
1169         g_return_if_fail(partinfo != NULL);
1170         mimeview_show_message_part(mimeview, partinfo);
1171 }
1172
1173 static void mimeview_launch(MimeView *mimeview)
1174 {
1175         MimeInfo *partinfo;
1176         gchar *filename;
1177
1178         if (!mimeview->opened) return;
1179         if (!mimeview->file) return;
1180
1181         partinfo = mimeview_get_selected_part(mimeview);
1182         if (!partinfo) {
1183                 partinfo = (MimeInfo *) gtk_object_get_data
1184                         (GTK_OBJECT(mimeview->popupmenu),
1185                          "pop_partinfo");
1186                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1187                                     "pop_partinfo", NULL);
1188         }
1189         g_return_if_fail(partinfo != NULL);
1190
1191         filename = procmime_get_tmp_file_name(partinfo);
1192
1193         if (procmime_get_part(filename, partinfo) < 0)
1194                 alertpanel_error
1195                         (_("Can't save the part of multipart message."));
1196         else
1197                 mimeview_view_file(filename, partinfo, NULL);
1198
1199         g_free(filename);
1200 }
1201
1202 static void mimeview_open_with(MimeView *mimeview)
1203 {
1204         MimeInfo *partinfo;
1205         gchar *filename;
1206         gchar *cmd;
1207
1208         if (!mimeview->opened) return;
1209         if (!mimeview->file) return;
1210
1211         partinfo = mimeview_get_selected_part(mimeview);
1212         if (!partinfo) {
1213                 partinfo = (MimeInfo *) gtk_object_get_data
1214                         (GTK_OBJECT(mimeview->popupmenu),
1215                          "pop_partinfo");
1216                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1217                                     "pop_partinfo", NULL);
1218         }
1219         g_return_if_fail(partinfo != NULL);
1220
1221         filename = procmime_get_tmp_file_name(partinfo);
1222
1223         if (procmime_get_part(filename, partinfo) < 0) {
1224                 alertpanel_error
1225                         (_("Can't save the part of multipart message."));
1226                 g_free(filename);
1227                 return;
1228         }
1229
1230         if (!prefs_common.mime_open_cmd_history)
1231                 prefs_common.mime_open_cmd_history =
1232                         add_history(NULL, prefs_common.mime_open_cmd);
1233
1234         cmd = input_dialog_combo
1235                 (_("Open with"),
1236                  _("Enter the command line to open file:\n"
1237                    "(`%s' will be replaced with file name)"),
1238                  prefs_common.mime_open_cmd,
1239                  prefs_common.mime_open_cmd_history,
1240                  TRUE);
1241         if (cmd) {
1242                 mimeview_view_file(filename, partinfo, cmd);
1243                 g_free(prefs_common.mime_open_cmd);
1244                 prefs_common.mime_open_cmd = cmd;
1245                 prefs_common.mime_open_cmd_history =
1246                         add_history(prefs_common.mime_open_cmd_history, cmd);
1247         }
1248
1249         g_free(filename);
1250 }
1251
1252 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1253                                const gchar *cmdline)
1254 {
1255         static gchar *default_image_cmdline = "display '%s'";
1256         static gchar *default_audio_cmdline = "play '%s'";
1257         static gchar *default_html_cmdline = DEFAULT_BROWSER_CMD;
1258         static gchar *mime_cmdline = "metamail -d -b -x -c %s '%s'";
1259         gchar buf[1024];
1260         gchar m_buf[1024];
1261         const gchar *cmd;
1262         const gchar *def_cmd;
1263         const gchar *p;
1264
1265         if (cmdline) {
1266                 cmd = cmdline;
1267                 def_cmd = NULL;
1268         } else if (MIMETYPE_APPLICATION == partinfo->type &&
1269                    !g_strcasecmp(partinfo->subtype, "octet-stream")) {
1270                 return;
1271         } else if (MIMETYPE_IMAGE == partinfo->type) {
1272                 cmd = prefs_common.mime_image_viewer;
1273                 def_cmd = default_image_cmdline;
1274         } else if (MIMETYPE_AUDIO == partinfo->type) {
1275                 cmd = prefs_common.mime_audio_player;
1276                 def_cmd = default_audio_cmdline;
1277         } else if (MIMETYPE_TEXT == partinfo->type && !strcmp(partinfo->subtype, "html")) {
1278                 cmd = prefs_common.uri_cmd;
1279                 def_cmd = default_html_cmdline;
1280         } else {
1281                 gchar *content_type;
1282
1283                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
1284                 g_snprintf(m_buf, sizeof(m_buf), mime_cmdline,
1285                            content_type, "%s");
1286                 g_free(content_type);
1287                 cmd = m_buf;
1288                 def_cmd = NULL;
1289         }
1290
1291         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
1292             !strchr(p + 2, '%'))
1293                 g_snprintf(buf, sizeof(buf), cmd, filename);
1294         else {
1295                 if (cmd)
1296                         g_warning("MIME viewer command line is invalid: `%s'", cmd);
1297                 if (def_cmd)
1298                         g_snprintf(buf, sizeof(buf), def_cmd, filename);
1299                 else
1300                         return;
1301         }
1302
1303         execute_command_line(buf, TRUE);
1304 }
1305
1306 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
1307 {
1308         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
1309 }
1310
1311 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
1312 {
1313         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
1314 }
1315
1316 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
1317 {
1318         GSList *mimeview_list, *viewer_list;
1319
1320         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
1321                 MimeView *mimeview = (MimeView *) mimeview_list->data;
1322
1323                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
1324                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1325                         mimeview->mimeviewer = NULL;
1326                 }
1327
1328                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
1329                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
1330
1331                         mimeviewer->destroy_viewer(mimeviewer);
1332                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
1333                 }
1334         }
1335
1336         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
1337 }
1338
1339 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
1340 {
1341         gint      num;
1342         MimeInfo *partinfo;
1343
1344         num      = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "icon_number"));
1345         partinfo = gtk_object_get_data(GTK_OBJECT(button), "partinfo");
1346
1347         icon_selected(mimeview, num, partinfo);
1348         gtk_widget_grab_focus(button);
1349         if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1350                 toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1351                 if (event->button == 2 || event->button == 3)
1352                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button),
1353                                                      TRUE);
1354         }
1355
1356         part_button_pressed(mimeview, event, partinfo);
1357
1358         return FALSE;
1359 }
1360
1361 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
1362 {
1363         GtkCTreeNode *node;
1364         node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
1365         if (node)
1366                 gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
1367 }
1368
1369 #undef  KEY_PRESS_EVENT_STOP
1370 #define KEY_PRESS_EVENT_STOP() \
1371         if (gtk_signal_n_emissions_by_name \
1372                 (GTK_OBJECT(button), "key_press_event") > 0) { \
1373                 gtk_signal_emit_stop_by_name(GTK_OBJECT(button), \
1374                                              "key_press_event"); \
1375         }
1376 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
1377                              MimeView *mimeview)
1378 {
1379         gint          num;
1380         MimeInfo     *partinfo;
1381         SummaryView  *summaryview;
1382         TextView     *textview;
1383
1384         num      = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "icon_number"));
1385         partinfo = gtk_object_get_data(GTK_OBJECT(button), "partinfo");
1386
1387         if (!event) return FALSE;
1388
1389         textview = mimeview->textview;
1390
1391         switch (event->keyval) {
1392         case GDK_space:
1393                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1394                         /* stop the button being untoggled */
1395                         KEY_PRESS_EVENT_STOP();
1396                         if (textview_scroll_page(textview, FALSE))
1397                                 return TRUE;
1398
1399                         if (icon_list_select_by_number(mimeview, num + 1))
1400                                 return TRUE;
1401                 } else {
1402                         icon_selected(mimeview, num, partinfo);
1403                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1404                         return TRUE;
1405                 }
1406
1407                 break;
1408         case GDK_BackSpace:
1409                 textview_scroll_page(textview, TRUE);
1410                 return TRUE;
1411         case GDK_Return:
1412                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1413                         KEY_PRESS_EVENT_STOP();
1414                         textview_scroll_one_line(textview,
1415                                                  (event->state & GDK_MOD1_MASK) != 0);
1416                         return TRUE;
1417                 } else {
1418                         icon_selected(mimeview, num, partinfo);
1419                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1420                         return TRUE;
1421                 }
1422
1423         case GDK_n:
1424         case GDK_N:
1425                 BREAK_ON_MODIFIER_KEY();
1426                 if (icon_list_select_by_number(mimeview, num + 1)) {
1427                         KEY_PRESS_EVENT_STOP();
1428                         return TRUE;
1429                 }
1430                 break;
1431
1432         case GDK_p:
1433         case GDK_P:
1434                 BREAK_ON_MODIFIER_KEY();
1435                 if (icon_list_select_by_number(mimeview, num - 1)) {
1436                         KEY_PRESS_EVENT_STOP();
1437                         return TRUE;
1438                 }
1439                 break;
1440
1441         case GDK_y:
1442                 BREAK_ON_MODIFIER_KEY();
1443                 KEY_PRESS_EVENT_STOP();
1444                 mimeview_save_as(mimeview);
1445                 return TRUE;
1446         case GDK_t:
1447                 BREAK_ON_MODIFIER_KEY();
1448                 KEY_PRESS_EVENT_STOP();
1449                 mimeview_display_as_text(mimeview);
1450                 return TRUE;
1451         case GDK_l:
1452                 BREAK_ON_MODIFIER_KEY();
1453                 KEY_PRESS_EVENT_STOP();
1454                 mimeview_launch(mimeview);
1455                 return TRUE;
1456         case GDK_o:
1457                 BREAK_ON_MODIFIER_KEY();
1458                 KEY_PRESS_EVENT_STOP();
1459                 mimeview_open_with(mimeview);
1460                 return TRUE;
1461         default:
1462                 break;
1463         }
1464
1465         if (!mimeview->messageview->mainwin) return FALSE;
1466         summaryview = mimeview->messageview->mainwin->summaryview;
1467         summary_pass_key_press_event(summaryview, event);
1468         return TRUE;
1469 }
1470
1471 static void toggle_icon(GtkToggleButton *button, MimeView *mimeview)
1472 {
1473         GList *child;
1474
1475         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1476         for (; child != NULL; child = g_list_next(child)) {
1477                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1478                     GTK_TOGGLE_BUTTON(child->data) != button &&
1479                     gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(child->data)))
1480                         gtk_toggle_button_set_active
1481                                 (GTK_TOGGLE_BUTTON(child->data),
1482                                  FALSE);
1483         }
1484 }
1485
1486 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
1487 {
1488         GtkWidget *pixmap;
1489         GtkWidget *vbox;
1490         GtkWidget *button;
1491         gchar *tip;
1492         gchar *tiptmp;
1493         const gchar *desc = NULL;
1494         gchar *sigshort = NULL;
1495         gchar *content_type;
1496         StockPixmap stockp;
1497         MimeInfo *partinfo;
1498         MimeInfo *siginfo = NULL;
1499         MimeInfo *encrypted = NULL;
1500
1501         vbox = mimeview->icon_vbox;
1502         mimeview->icon_count++;
1503         button = gtk_toggle_button_new();
1504         gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
1505         gtk_object_set_data(GTK_OBJECT(button), "icon_number",
1506                 GINT_TO_POINTER(mimeview->icon_count));
1507         gtk_object_set_data(GTK_OBJECT(button), "partinfo",
1508                 mimeinfo);
1509
1510         switch (mimeinfo->type) {
1511
1512         case MIMETYPE_TEXT:
1513                 if (mimeinfo->subtype && !g_strcasecmp(mimeinfo->subtype, "html"))
1514                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
1515                 else if  (mimeinfo->subtype && !g_strcasecmp(mimeinfo->subtype, "enriched"))
1516                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
1517                 else
1518                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
1519                 break;
1520         case MIMETYPE_MESSAGE:
1521                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
1522                 break;
1523         case MIMETYPE_APPLICATION:
1524                 stockp = STOCK_PIXMAP_MIME_APPLICATION;
1525                 break;
1526         case MIMETYPE_IMAGE:
1527                 stockp = STOCK_PIXMAP_MIME_IMAGE;
1528                 break;
1529         case MIMETYPE_AUDIO:
1530                 stockp = STOCK_PIXMAP_MIME_AUDIO;
1531                 break;
1532         default:
1533                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
1534                 break;
1535         }
1536
1537         partinfo = mimeinfo;
1538         while (partinfo != NULL) {
1539                 if (privacy_mimeinfo_is_signed(partinfo)) {
1540                         siginfo = partinfo;
1541                         break;
1542                 }
1543                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
1544                         encrypted = partinfo;
1545                         break;
1546                 }
1547                 partinfo = procmime_mimeinfo_parent(partinfo);
1548         }
1549
1550         if (siginfo != NULL) {
1551                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
1552                 case SIGNATURE_UNCHECKED:
1553                 case SIGNATURE_CHECK_FAILED:
1554                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1555                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1556                         break;
1557                 case SIGNATURE_OK:
1558                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1559                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1560                         break;
1561                 case SIGNATURE_WARN:
1562                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1563                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
1564                         break;
1565                 case SIGNATURE_INVALID:
1566                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1567                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1568                         break;
1569                 }
1570                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
1571         } else if (encrypted != NULL) {
1572                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1573                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1574         } else {
1575                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
1576                                                           OVERLAY_NONE, 6, 3);
1577         }
1578         gtk_container_add(GTK_CONTAINER(button), pixmap);
1579
1580         if (!desc) {
1581                 if (prefs_common.attach_desc)
1582                         desc = get_part_description(mimeinfo);
1583                 else
1584                         desc = get_part_name(mimeinfo);
1585         }
1586
1587         content_type = procmime_get_content_type_str(mimeinfo->type,
1588                                                      mimeinfo->subtype);
1589
1590         tip = g_strjoin("\n", content_type,
1591                         to_human_readable(mimeinfo->length), NULL);
1592         g_free(content_type);
1593         if (desc && *desc) {
1594                 tiptmp = g_strjoin("\n", desc, tip, NULL);
1595                 g_free(tip);
1596                 tip = tiptmp;
1597         }
1598         if (sigshort && *sigshort) {
1599                 tiptmp = g_strjoin("\n", tip, sigshort, NULL);
1600                 g_free(tip);
1601                 tip = tiptmp;
1602         }
1603         g_free(sigshort);
1604
1605         gtk_tooltips_set_tip(mimeview->tooltips, button, tip, NULL);
1606         g_free(tip);
1607         gtk_widget_show_all(button);
1608         gtk_signal_connect(GTK_OBJECT(button), "button_release_event",
1609                            GTK_SIGNAL_FUNC(icon_clicked_cb), mimeview);
1610         gtk_signal_connect(GTK_OBJECT(button), "key_press_event",
1611                            GTK_SIGNAL_FUNC(icon_key_pressed), mimeview);
1612         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
1613
1614 }
1615
1616 static void icon_list_clear (MimeView *mimeview)
1617 {
1618         GList     *child;
1619         GtkAdjustment *adj;
1620
1621         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1622         for (; child != NULL; child = g_list_next(child)) {
1623                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
1624                                        GTK_WIDGET(child->data));
1625         }
1626         mimeview->icon_count = 0;
1627         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1628         adj->value = adj->lower;
1629         gtk_signal_emit_by_name(GTK_OBJECT (adj), "value_changed");
1630 }
1631
1632 static void icon_list_toggle_by_mime_info(MimeView      *mimeview,
1633                                           MimeInfo      *mimeinfo)
1634 {
1635         GList *child;
1636
1637         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1638         for (; child != NULL; child = g_list_next(child)) {
1639                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1640                     gtk_object_get_data(GTK_OBJECT(child->data),
1641                                         "partinfo") == (gpointer)mimeinfo) {
1642                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1643                         gtk_toggle_button_set_active
1644                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1645                 }
1646         }
1647 }
1648
1649 /*!
1650  *\brief        Used to 'click' the next or previous icon.
1651  *
1652  *\return       true if the icon 'number' exists and was selected.
1653  */
1654 static gboolean icon_list_select_by_number(MimeView     *mimeview,
1655                                            gint          number)
1656 {
1657         GList *child;
1658
1659         if (number == 0) return FALSE;
1660         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1661         for (; child != NULL; child = g_list_next(child)) {
1662                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1663                     GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(child->data),
1664                                         "icon_number")) == number) {
1665                         icon_selected(mimeview, number,
1666                                       (MimeInfo*)gtk_object_get_data(GTK_OBJECT(child->data),
1667                                                                      "partinfo"));
1668                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1669                         gtk_toggle_button_set_active
1670                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1671                         gtk_widget_grab_focus(GTK_WIDGET(child->data));
1672
1673                         return TRUE;
1674                 }
1675         }
1676         return FALSE;
1677 }
1678
1679 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
1680                                         GtkAllocation *size, MimeView *mimeview)
1681 {
1682         GtkAllocation *mainbox_size;
1683         GtkAllocation *vbox_size;
1684         GtkAllocation *layout_size;
1685         GtkAdjustment *adj;
1686
1687         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1688
1689         mainbox_size = &mimeview->icon_mainbox->allocation;
1690         vbox_size = &mimeview->icon_vbox->allocation;
1691         layout_size = &mimeview->icon_scroll->allocation;
1692
1693         /* centralise the vbox */
1694         gtk_layout_move(GTK_LAYOUT(mimeview->icon_scroll), mimeview->icon_vbox,
1695                         (mainbox_size->width - vbox_size->width)/2, 0);
1696
1697         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
1698                             GTK_LAYOUT(mimeview->icon_scroll)->width,
1699                             MAX(vbox_size->height, layout_size->height));
1700         adj->step_increment = 5;
1701 }
1702
1703 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
1704 {
1705         GtkRequisition size;
1706         gint           width;
1707         g_return_if_fail(mimeinfo != NULL);
1708
1709         while (mimeinfo != NULL) {
1710                 if (mimeinfo->type != MIMETYPE_MULTIPART)
1711                         icon_list_append_icon(mimeview, mimeinfo);
1712                 if (mimeinfo->node->children != NULL)
1713                         icon_list_create(mimeview, (MimeInfo *) mimeinfo->node->children->data);
1714                 mimeinfo = mimeinfo->node->next != NULL ? (MimeInfo *) mimeinfo->node->next->data : NULL;
1715         }
1716         gtk_widget_size_request(mimeview->icon_vbox, &size);
1717         width = size.width + 4;
1718         if (width > mimeview->icon_mainbox->requisition.width) {
1719                 gtk_widget_set_usize(mimeview->icon_mainbox,
1720                                      width, -1);
1721         }
1722
1723 }
1724
1725 static void mime_toggle_button_cb (GtkWidget *button, MimeView *mimeview)
1726 {
1727         gtk_widget_ref(button);
1728
1729         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1730                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT,
1731                                         GTK_SHADOW_NONE);
1732                 gtk_widget_hide(mimeview->icon_mainbox);
1733                 gtk_widget_show(mimeview->ctree_mainbox);
1734                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
1735
1736                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
1737                                         button);
1738                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
1739                                    button, FALSE, FALSE, 0);
1740                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 6);
1741         } else {
1742                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT,
1743                               GTK_SHADOW_NONE);
1744                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
1745                 gtk_widget_hide(mimeview->ctree_mainbox);
1746                 gtk_widget_show(mimeview->icon_mainbox);
1747                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
1748
1749                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
1750                                         button);
1751                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
1752                                    button, FALSE, FALSE, 0);
1753                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
1754                 if (mimeview->opened)
1755                         icon_list_toggle_by_mime_info
1756                                 (mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree),
1757                                                                        mimeview->opened));
1758
1759                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 0);
1760         }
1761         gtk_widget_grab_focus(button);
1762         gtk_widget_unref(button);
1763
1764 }
1765
1766 void mimeview_update (MimeView *mimeview) {
1767         if (mimeview && mimeview->mimeinfo) {
1768                 icon_list_clear(mimeview);
1769                 icon_list_create(mimeview, mimeview->mimeinfo);
1770         }
1771 }