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 <glib/gi18n.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gtk/gtknotebook.h>
  30 #include <gtk/gtkscrolledwindow.h>
  31 #include <gtk/gtkctree.h>
  32 #include <gtk/gtkvbox.h>
  33 #include <gtk/gtkhbox.h>
  34 #include <gtk/gtkvpaned.h>
  35 #include <gtk/gtktext.h>
  36 #include <gtk/gtksignal.h>
  37 #include <gtk/gtkmenu.h>
  38 #include <gtk/gtkdnd.h>
  39 #include <gtk/gtkselection.h>
  40 #include <gtk/gtktooltips.h>
  41 #include <gtk/gtkcontainer.h>
  42 #include <gtk/gtkbutton.h>
  43 #include <stdio.h>
  44
  45 #ifndef HAVE_APACHE_FNMATCH
  46 /* kludge: apache's fnmatch clashes with <regex.h>, don't include
  47  * fnmatch.h */
  48 #include <fnmatch.h>
  49 #endif
  50
  51 #include "main.h"
  52 #include "mimeview.h"
  53 #include "textview.h"
  54 #include "procmime.h"
  55 #include "summaryview.h"
  56 #include "menu.h"
  57 #include "filesel.h"
  58 #include "alertpanel.h"
  59 #include "inputdialog.h"
  60 #include "utils.h"
  61 #include "gtkutils.h"
  62 #include "prefs_common.h"
  63 #include "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 gboolean 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_AUTOMATIC);
 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         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 220                          G_CALLBACK(mimeview_selected), mimeview);
 221         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 222                          G_CALLBACK(mimeview_button_pressed), mimeview);
 223         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 224                          G_CALLBACK(mimeview_key_pressed), mimeview);
 225         g_signal_connect(G_OBJECT (ctree),"start_drag",
 226                          G_CALLBACK (mimeview_start_drag), mimeview);
 227         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 228                          G_CALLBACK(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         g_signal_connect(G_OBJECT(mime_toggle), "toggled",
 250                          G_CALLBACK(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         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 258                          G_CALLBACK(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         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 340                                         mimeview);
 341
 342         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 343         icon_list_create(mimeview, mimeinfo);
 344
 345         g_signal_handlers_unblock_by_func(G_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_ascii_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 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 != NULL)
 568                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 569
 570         if (mimeview->mimeviewer != viewer) {
 571                 mimeview->mimeviewer = viewer;
 572                 mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 573         }
 574         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 575
 576         return TRUE;
 577 }
 578
 579 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 580 {
 581         TextView  *textview  = mimeview->textview;
 582
 583         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 584             (mimeview->type == type)) return;
 585
 586         switch (type) {
 587         case MIMEVIEW_TEXT:
 588                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 589                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 590                         GTK_WIDGET_PTR(textview)));
 591                 break;
 592         case MIMEVIEW_VIEWER:
 593                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 594                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 595                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 596                 break;
 597         default:
 598                 return;
 599         }
 600
 601         mimeview->type = type;
 602 }
 603
 604 void mimeview_clear(MimeView *mimeview)
 605 {
 606         GtkCList *clist = GTK_CLIST(mimeview->ctree);
 607
 608         noticeview_hide(mimeview->siginfoview);
 609
 610         gtk_clist_clear(clist);
 611         textview_clear(mimeview->textview);
 612         if (mimeview->mimeviewer != NULL)
 613                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 614
 615         if (mimeview->mimeinfo != NULL)
 616                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 617         mimeview->mimeinfo = NULL;
 618
 619         mimeview->opened = NULL;
 620
 621         g_free(mimeview->file);
 622         mimeview->file = NULL;
 623
 624         icon_list_clear(mimeview);
 625 }
 626
 627 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
 628 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
 629
 630 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo)
 631 {
 632         gchar *text = NULL, *button_text = NULL;
 633         void  *func = NULL;
 634         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 635
 636         g_return_if_fail(mimeview != NULL);
 637         g_return_if_fail(mimeinfo != NULL);
 638
 639         switch (privacy_mimeinfo_get_sig_status(mimeinfo)) {
 640         case SIGNATURE_UNCHECKED:
 641                 button_text = _("Check");
 642                 func = check_signature_cb;
 643                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 644                 break;
 645         case SIGNATURE_OK:
 646                 button_text = _("Full info");
 647                 func = display_full_info_cb;
 648                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
 649                 break;
 650         case SIGNATURE_WARN:
 651                 button_text = _("Full info");
 652                 func = display_full_info_cb;
 653                 icon = STOCK_PIXMAP_PRIVACY_WARN;
 654                 break;
 655         case SIGNATURE_INVALID:
 656                 button_text = _("Full info");
 657                 func = display_full_info_cb;
 658                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
 659                 break;
 660         case SIGNATURE_CHECK_FAILED:
 661                 button_text = _("Check again");
 662                 func = check_signature_cb;
 663                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 664         default:
 665                 break;
 666         }
 667         text = privacy_mimeinfo_sig_info_short(mimeinfo);
 668         noticeview_set_text(mimeview->siginfoview, text);
 669         g_free(text);
 670         noticeview_set_button_text(mimeview->siginfoview, button_text);
 671         noticeview_set_button_press_callback(
 672                 mimeview->siginfoview,
 673                 G_CALLBACK(func),
 674                 (gpointer) mimeview);
 675         noticeview_set_icon(mimeview->siginfoview, icon);
 676 }
 677
 678 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
 679 {
 680         MimeView *mimeview = (MimeView *) user_data;
 681         MimeInfo *mimeinfo = mimeview->siginfo;
 682
 683         privacy_mimeinfo_check_signature(mimeinfo);
 684         update_signature_noticeview(mimeview, mimeview->siginfo);
 685         icon_list_clear(mimeview);
 686         icon_list_create(mimeview, mimeview->mimeinfo);
 687 }
 688
 689 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
 690 {
 691         MimeView *mimeview = (MimeView *) user_data;
 692         gchar *siginfo;
 693
 694         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
 695         textview_set_text(mimeview->textview, siginfo);
 696         g_free(siginfo);
 697         noticeview_set_button_text(mimeview->siginfoview, NULL);
 698 }
 699
 700 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
 701 {
 702         MimeInfo *siginfo;
 703
 704         g_return_if_fail(mimeview != NULL);
 705         g_return_if_fail(selected != NULL);
 706
 707         siginfo = selected;
 708         while (siginfo != NULL) {
 709                 if (privacy_mimeinfo_is_signed(siginfo))
 710                         break;
 711                 siginfo = procmime_mimeinfo_parent(siginfo);
 712         }
 713         mimeview->siginfo = siginfo;
 714
 715         if (siginfo == NULL) {
 716                 noticeview_hide(mimeview->siginfoview);
 717                 return;
 718         }
 719
 720         update_signature_noticeview(mimeview, siginfo);
 721         noticeview_show(mimeview->siginfoview);
 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         update_signature_info(mimeview, partinfo);
 746
 747         if (!mimeview_show_part(mimeview, partinfo)) {
 748                 switch (partinfo->type) {
 749                 case MIMETYPE_TEXT:
 750                 case MIMETYPE_MESSAGE:
 751                 case MIMETYPE_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                         textview_show_mime_part(mimeview->textview, partinfo);
 759                         break;
 760                 }
 761         }
 762 }
 763
 764 static void mimeview_start_drag(GtkWidget *widget, gint button,
 765                                 GdkEvent *event, MimeView *mimeview)
 766 {
 767         GdkDragContext *context;
 768         MimeInfo *partinfo;
 769
 770         g_return_if_fail(mimeview != NULL);
 771
 772         partinfo = mimeview_get_selected_part(mimeview);
 773         if (partinfo->disposition == DISPOSITIONTYPE_INLINE) return;
 774
 775         context = gtk_drag_begin(widget, mimeview->target_list,
 776                                  GDK_ACTION_COPY, button, event);
 777         gtk_drag_set_icon_default(context);
 778 }
 779
 780 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
 781                                     MimeView *mimeview)
 782 {
 783         GtkCList *clist = GTK_CLIST(widget);
 784         gint row, column;
 785
 786         if (!event) return FALSE;
 787
 788         if (event->button == 2 || event->button == 3) {
 789                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
 790                                                   &row, &column))
 791                         return FALSE;
 792                 gtk_clist_unselect_all(clist);
 793                 gtk_clist_select_row(clist, row, column);
 794                 gtkut_clist_set_focus_row(clist, row);
 795         }
 796         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
 797
 798         return FALSE;
 799 }
 800
 801 /* from gdkevents.c */
 802 #define DOUBLE_CLICK_TIME 250
 803
 804 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
 805                                     MimeInfo *partinfo)
 806 {
 807         static MimeInfo *lastinfo;
 808         static guint32 lasttime;
 809
 810         if (event->button == 2 ||
 811             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
 812                 /* call external program for image, audio or html */
 813                 mimeview_launch(mimeview);
 814                 return TRUE;
 815         } else if (event->button == 3) {
 816                 if (partinfo && (partinfo->type == MIMETYPE_TEXT ||
 817                                  partinfo->type == MIMETYPE_MESSAGE ||
 818                                  partinfo->type == MIMETYPE_IMAGE ||
 819                                  partinfo->type == MIMETYPE_MULTIPART))
 820                         menu_set_sensitive(mimeview->popupfactory,
 821                                            "/Display as text", FALSE);
 822                 else
 823                         menu_set_sensitive(mimeview->popupfactory,
 824                                            "/Display as text", TRUE);
 825                 if (partinfo &&
 826                     partinfo->type == MIMETYPE_APPLICATION &&
 827                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
 828                         menu_set_sensitive(mimeview->popupfactory,
 829                                            "/Open", FALSE);
 830                 else
 831                         menu_set_sensitive(mimeview->popupfactory,
 832                                            "/Open", TRUE);
 833
 834                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
 835                                   "pop_partinfo", partinfo);
 836
 837                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
 838                                NULL, NULL, NULL, NULL,
 839                                event->button, event->time);
 840                 return TRUE;
 841         }
 842
 843         lastinfo = partinfo;
 844         lasttime = event->time;
 845         return FALSE;
 846 }
 847
 848
 849 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
 850 {
 851         mimeview_key_pressed(mimeview->ctree, event, mimeview);
 852 }
 853
 854 #define BREAK_ON_MODIFIER_KEY() \
 855         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
 856
 857 #define KEY_PRESS_EVENT_STOP() \
 858         g_signal_stop_emission_by_name(G_OBJECT(ctree), \
 859                                        "key_press_event");
 860
 861 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
 862                                  MimeView *mimeview)
 863 {
 864         SummaryView *summaryview;
 865         GtkCTree *ctree = GTK_CTREE(widget);
 866         GtkCTreeNode *node;
 867
 868         if (!event) return FALSE;
 869         if (!mimeview->opened) return FALSE;
 870
 871         summaryview = mimeview->messageview->mainwin->summaryview;
 872
 873         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
 874                 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                 g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical",
 901                                         GTK_SCROLL_STEP_FORWARD, 0.0);
 902                 return TRUE;
 903         case GDK_p:
 904         case GDK_P:
 905                 BREAK_ON_MODIFIER_KEY();
 906                 if (!GTK_CTREE_NODE_PREV(mimeview->opened)) break;
 907                 KEY_PRESS_EVENT_STOP();
 908                 g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical",
 909                                         GTK_SCROLL_STEP_BACKWARD, 0.0);
 910                 return TRUE;
 911         case GDK_y:
 912                 BREAK_ON_MODIFIER_KEY();
 913                 KEY_PRESS_EVENT_STOP();
 914                 mimeview_save_as(mimeview);
 915                 return TRUE;
 916         case GDK_t:
 917                 BREAK_ON_MODIFIER_KEY();
 918                 KEY_PRESS_EVENT_STOP();
 919                 mimeview_display_as_text(mimeview);
 920                 return TRUE;
 921         case GDK_l:
 922                 BREAK_ON_MODIFIER_KEY();
 923                 KEY_PRESS_EVENT_STOP();
 924                 mimeview_launch(mimeview);
 925                 return TRUE;
 926         case GDK_o:
 927                 BREAK_ON_MODIFIER_KEY();
 928                 KEY_PRESS_EVENT_STOP();
 929                 mimeview_open_with(mimeview);
 930                 return TRUE;
 931         default:
 932                 break;
 933         }
 934
 935         if (!mimeview->messageview->mainwin) return FALSE;
 936
 937         summary_pass_key_press_event(summaryview, event);
 938         return TRUE;
 939 }
 940
 941 static void mimeview_drag_data_get(GtkWidget        *widget,
 942                                    GdkDragContext   *drag_context,
 943                                    GtkSelectionData *selection_data,
 944                                    guint             info,
 945                                    guint             time,
 946                                    MimeView         *mimeview)
 947 {
 948         gchar *filename, *uriname, *tmp;
 949         MimeInfo *partinfo;
 950
 951         if (!mimeview->opened) return;
 952         if (!mimeview->file) return;
 953
 954         partinfo = mimeview_get_selected_part(mimeview);
 955         if (!partinfo) return;
 956
 957         filename = g_path_get_basename(get_part_name(partinfo));
 958         if (*filename == '\0') return;
 959
 960         tmp = filename;
 961
 962         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
 963                                filename, NULL);
 964
 965         g_free(tmp);
 966
 967         if (procmime_get_part(filename, partinfo) < 0)
 968                 alertpanel_error
 969                         (_("Can't save the part of multipart message."));
 970
 971         uriname = g_strconcat("file://", filename, NULL);
 972         gtk_selection_data_set(selection_data, selection_data->target, 8,
 973                                uriname, strlen(uriname));
 974
 975         g_free(uriname);
 976         g_free(filename);
 977 }
 978
 979 /**
 980  * Returns a filename (with path) for an attachment
 981  * \param partinfo The attachment to save
 982  * \param basedir The target directory
 983  * \param number Used for dummy filename if attachment is unnamed
 984  */
 985 gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
 986                                       const gchar *basedir,
 987                                       gint number)
 988 {
 989         gchar *fullname;
 990         gchar *filename;
 991
 992         filename = g_strdup(get_part_name(partinfo));
 993         if (!filename || !*filename)
 994                 filename = g_strdup_printf("noname.%d", number);
 995
 996         if (!g_utf8_validate(filename, -1, NULL)) {
 997                 gchar *tmp = conv_filename_to_utf8(filename);
 998                 g_free(filename);
 999                 filename = tmp;
1000         }
1001
1002         subst_for_filename(filename);
1003
1004         fullname = g_strconcat
1005                 (basedir, G_DIR_SEPARATOR_S, (filename[0] == G_DIR_SEPARATOR)
1006                  ? &filename[1] : filename, NULL);
1007
1008         g_free(filename);
1009         return fullname;
1010 }
1011
1012 /**
1013  * Write a single attachment to file
1014  * \param filename Filename with path
1015  * \param partinfo Attachment to save
1016  */
1017 static gboolean mimeview_write_part(const gchar *filename,
1018                                     MimeInfo *partinfo)
1019 {
1020         gchar *dir;
1021
1022         dir= g_path_get_dirname(filename);
1023         if (!is_dir_exist(dir))
1024                 make_dir_hier(dir);
1025         g_free(dir);
1026
1027         if (is_file_exist(filename)) {
1028                 AlertValue aval;
1029                 gchar *res;
1030
1031                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1032                                       filename);
1033                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_OK,
1034                                   GTK_STOCK_CANCEL, NULL);
1035                 g_free(res);
1036                 if (G_ALERTDEFAULT != aval) return FALSE;
1037         }
1038
1039         if (procmime_get_part(filename, partinfo) < 0) {
1040                 alertpanel_error
1041                         (_("Can't save the part of multipart message."));
1042                 return FALSE;
1043         }
1044
1045         return TRUE;
1046 }
1047
1048 /**
1049  * Menu callback: Save all attached files
1050  * \param mimeview Current display
1051  */
1052 static void mimeview_save_all(MimeView *mimeview)
1053 {
1054         MimeInfo *partinfo;
1055         gchar *dirname;
1056         gchar *startdir = NULL;
1057         gint number = 1;
1058
1059         if (!mimeview->opened) return;
1060         if (!mimeview->file) return;
1061         if (!mimeview->mimeinfo) return;
1062
1063         partinfo = mimeview->mimeinfo;
1064         if (prefs_common.attach_save_dir)
1065                 startdir = g_strconcat(prefs_common.attach_save_dir,
1066                                        G_DIR_SEPARATOR_S, NULL);
1067
1068         dirname = filesel_select_file_open_folder(_("Select destination folder"), startdir);
1069         if (!dirname) {
1070                 if (startdir) g_free(startdir);
1071                 return;
1072         }
1073
1074         if (!is_dir_exist (dirname)) {
1075                 alertpanel_error(_("`%s' is not a directory."),
1076                                  dirname);
1077                 if (startdir) g_free(startdir);
1078                 return;
1079         }
1080
1081         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1082                 dirname[strlen(dirname)-1] = '\0';
1083
1084         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1085         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1086                 partinfo = procmime_mimeinfo_next(partinfo);
1087         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1088                 partinfo = procmime_mimeinfo_next(partinfo);
1089                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1090                         partinfo = procmime_mimeinfo_next(partinfo);
1091         }
1092
1093         while (partinfo != NULL) {
1094                 if (partinfo->type != MIMETYPE_MESSAGE &&
1095                     partinfo->type != MIMETYPE_MULTIPART &&
1096                     partinfo->disposition != DISPOSITIONTYPE_INLINE) {
1097                         gchar *filename = mimeview_get_filename_for_part
1098                                 (partinfo, dirname, number++);
1099
1100                         mimeview_write_part(filename, partinfo);
1101                         g_free(filename);
1102                 }
1103                 partinfo = procmime_mimeinfo_next(partinfo);
1104         }
1105
1106         if (prefs_common.attach_save_dir)
1107                 g_free(prefs_common.attach_save_dir);
1108
1109         prefs_common.attach_save_dir = g_strdup(dirname);
1110
1111         if (startdir) g_free(startdir);
1112 }
1113
1114 /**
1115  * Menu callback: Save the selected attachment
1116  * \param mimeview Current display
1117  */
1118 static void mimeview_save_as(MimeView *mimeview)
1119 {
1120         gchar *filename;
1121         gchar *filepath = NULL;
1122         gchar *filedir = NULL;
1123         MimeInfo *partinfo;
1124         gchar *partname = NULL;
1125
1126         if (!mimeview->opened) return;
1127         if (!mimeview->file) return;
1128
1129         partinfo = mimeview_get_selected_part(mimeview);
1130         if (!partinfo) {
1131                 partinfo = (MimeInfo *) g_object_get_data
1132                          (G_OBJECT(mimeview->popupmenu),
1133                          "pop_partinfo");
1134                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1135                                   "pop_partinfo", NULL);
1136         }
1137         g_return_if_fail(partinfo != NULL);
1138
1139         if (get_part_name(partinfo) == NULL) {
1140                 return;
1141         }
1142         partname = g_strdup(get_part_name(partinfo));
1143
1144         if (!g_utf8_validate(partname, -1, NULL)) {
1145                 gchar *tmp = conv_filename_to_utf8(partname);
1146                 g_free(partname);
1147                 partname = tmp;
1148         }
1149
1150         subst_for_filename(partname);
1151
1152         if (prefs_common.attach_save_dir)
1153                 filepath = g_strconcat(prefs_common.attach_save_dir,
1154                                        G_DIR_SEPARATOR_S, partname, NULL);
1155         else
1156                 filepath = g_strdup(partname);
1157
1158         g_free(partname);
1159
1160         filename = filesel_select_file_save(_("Save as"), filepath);
1161         if (!filename) {
1162                 g_free(filepath);
1163                 return;
1164         }
1165
1166         mimeview_write_part(filename, partinfo);
1167
1168         filedir = g_path_get_dirname(filename);
1169         if (filedir && strcmp(filedir, ".")) {
1170                 if (prefs_common.attach_save_dir)
1171                         g_free(prefs_common.attach_save_dir);
1172                 prefs_common.attach_save_dir = g_strdup(filedir);
1173         }
1174
1175         g_free(filedir);
1176         g_free(filepath);
1177 }
1178
1179 static void mimeview_display_as_text(MimeView *mimeview)
1180 {
1181         MimeInfo *partinfo;
1182
1183         if (!mimeview->opened) return;
1184
1185         partinfo = mimeview_get_selected_part(mimeview);
1186         if (!partinfo)  {
1187                 partinfo = (MimeInfo *) g_object_get_data
1188                         (G_OBJECT(mimeview->popupmenu),
1189                          "pop_partinfo");
1190                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1191                                   "pop_partinfo", NULL);
1192
1193         }
1194         g_return_if_fail(partinfo != NULL);
1195         mimeview_show_message_part(mimeview, partinfo);
1196 }
1197
1198 static void mimeview_launch(MimeView *mimeview)
1199 {
1200         MimeInfo *partinfo;
1201         gchar *filename;
1202
1203         if (!mimeview->opened) return;
1204         if (!mimeview->file) return;
1205
1206         partinfo = mimeview_get_selected_part(mimeview);
1207         if (!partinfo) {
1208                 partinfo = (MimeInfo *) g_object_get_data
1209                         (G_OBJECT(mimeview->popupmenu),
1210                          "pop_partinfo");
1211                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1212                                   "pop_partinfo", NULL);
1213         }
1214         g_return_if_fail(partinfo != NULL);
1215
1216         filename = procmime_get_tmp_file_name(partinfo);
1217
1218         if (procmime_get_part(filename, partinfo) < 0)
1219                 alertpanel_error
1220                         (_("Can't save the part of multipart message."));
1221         else
1222                 mimeview_view_file(filename, partinfo, NULL);
1223
1224         g_free(filename);
1225 }
1226
1227 static void mimeview_open_with(MimeView *mimeview)
1228 {
1229         MimeInfo *partinfo;
1230         gchar *filename;
1231         gchar *cmd;
1232
1233         if (!mimeview->opened) return;
1234         if (!mimeview->file) return;
1235
1236         partinfo = mimeview_get_selected_part(mimeview);
1237         if (!partinfo) {
1238                 partinfo = (MimeInfo *) g_object_get_data
1239                         (G_OBJECT(mimeview->popupmenu),
1240                          "pop_partinfo");
1241                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1242                                   "pop_partinfo", NULL);
1243         }
1244         g_return_if_fail(partinfo != NULL);
1245
1246         filename = procmime_get_tmp_file_name(partinfo);
1247
1248         if (procmime_get_part(filename, partinfo) < 0) {
1249                 alertpanel_error
1250                         (_("Can't save the part of multipart message."));
1251                 g_free(filename);
1252                 return;
1253         }
1254
1255         if (!prefs_common.mime_open_cmd_history)
1256                 prefs_common.mime_open_cmd_history =
1257                         add_history(NULL, prefs_common.mime_open_cmd);
1258
1259         cmd = input_dialog_combo
1260                 (_("Open with"),
1261                  _("Enter the command line to open file:\n"
1262                    "(`%s' will be replaced with file name)"),
1263                  prefs_common.mime_open_cmd,
1264                  prefs_common.mime_open_cmd_history,
1265                  TRUE);
1266         if (cmd) {
1267                 mimeview_view_file(filename, partinfo, cmd);
1268                 g_free(prefs_common.mime_open_cmd);
1269                 prefs_common.mime_open_cmd = cmd;
1270                 prefs_common.mime_open_cmd_history =
1271                         add_history(prefs_common.mime_open_cmd_history, cmd);
1272         }
1273
1274         g_free(filename);
1275 }
1276
1277 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1278                                const gchar *cmdline)
1279 {
1280         static gchar *default_image_cmdline = "display '%s'";
1281         static gchar *default_audio_cmdline = "play '%s'";
1282         static gchar *default_html_cmdline = DEFAULT_BROWSER_CMD;
1283         static gchar *mime_cmdline = "metamail -d -b -x -c %s '%s'";
1284         gchar buf[1024];
1285         gchar m_buf[1024];
1286         const gchar *cmd;
1287         const gchar *def_cmd;
1288         const gchar *p;
1289
1290         if (cmdline) {
1291                 cmd = cmdline;
1292                 def_cmd = NULL;
1293         } else if (MIMETYPE_APPLICATION == partinfo->type &&
1294                    !g_ascii_strcasecmp(partinfo->subtype, "octet-stream")) {
1295                 return;
1296         } else if (MIMETYPE_IMAGE == partinfo->type) {
1297                 cmd = prefs_common.mime_image_viewer;
1298                 def_cmd = default_image_cmdline;
1299         } else if (MIMETYPE_AUDIO == partinfo->type) {
1300                 cmd = prefs_common.mime_audio_player;
1301                 def_cmd = default_audio_cmdline;
1302         } else if (MIMETYPE_TEXT == partinfo->type && !strcmp(partinfo->subtype, "html")) {
1303                 cmd = prefs_common.uri_cmd;
1304                 def_cmd = default_html_cmdline;
1305         } else {
1306                 gchar *content_type;
1307
1308                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
1309                 g_snprintf(m_buf, sizeof(m_buf), mime_cmdline,
1310                            content_type, "%s");
1311                 g_free(content_type);
1312                 cmd = m_buf;
1313                 def_cmd = NULL;
1314         }
1315
1316         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
1317             !strchr(p + 2, '%'))
1318                 g_snprintf(buf, sizeof(buf), cmd, filename);
1319         else {
1320                 if (cmd)
1321                         g_warning("MIME viewer command line is invalid: `%s'", cmd);
1322                 if (def_cmd)
1323                         g_snprintf(buf, sizeof(buf), def_cmd, filename);
1324                 else
1325                         return;
1326         }
1327
1328         execute_command_line(buf, TRUE);
1329 }
1330
1331 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
1332 {
1333         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
1334 }
1335
1336 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
1337 {
1338         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
1339 }
1340
1341 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
1342 {
1343         GSList *mimeview_list, *viewer_list;
1344
1345         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
1346                 MimeView *mimeview = (MimeView *) mimeview_list->data;
1347
1348                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
1349                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1350                         mimeview->mimeviewer = NULL;
1351                 }
1352
1353                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
1354                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
1355
1356                         mimeviewer->destroy_viewer(mimeviewer);
1357                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
1358                 }
1359         }
1360
1361         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
1362 }
1363
1364 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
1365 {
1366         gint      num;
1367         MimeInfo *partinfo;
1368
1369         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1370         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1371
1372         icon_selected(mimeview, num, partinfo);
1373         gtk_widget_grab_focus(button);
1374         if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1375                 toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1376                 if (event->button == 2 || event->button == 3)
1377                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button),
1378                                                      TRUE);
1379         }
1380
1381         part_button_pressed(mimeview, event, partinfo);
1382
1383         return FALSE;
1384 }
1385
1386 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
1387 {
1388         GtkCTreeNode *node;
1389         node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
1390         if (node)
1391                 gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
1392 }
1393
1394 #undef  KEY_PRESS_EVENT_STOP
1395 #define KEY_PRESS_EVENT_STOP() \
1396         g_signal_stop_emission_by_name(G_OBJECT(button), \
1397                                        "key_press_event");
1398
1399 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
1400                              MimeView *mimeview)
1401 {
1402         gint          num;
1403         MimeInfo     *partinfo;
1404         SummaryView  *summaryview;
1405         TextView     *textview;
1406
1407         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1408         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1409
1410         if (!event) return FALSE;
1411
1412         textview = mimeview->textview;
1413
1414         switch (event->keyval) {
1415         case GDK_space:
1416                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1417                         /* stop the button being untoggled */
1418                         KEY_PRESS_EVENT_STOP();
1419                         if (textview_scroll_page(textview, FALSE))
1420                                 return TRUE;
1421
1422                         if (icon_list_select_by_number(mimeview, num + 1))
1423                                 return TRUE;
1424                 } else {
1425                         icon_selected(mimeview, num, partinfo);
1426                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1427                         return TRUE;
1428                 }
1429
1430                 break;
1431         case GDK_BackSpace:
1432                 textview_scroll_page(textview, TRUE);
1433                 return TRUE;
1434         case GDK_Return:
1435                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1436                         KEY_PRESS_EVENT_STOP();
1437                         textview_scroll_one_line(textview,
1438                                                  (event->state & GDK_MOD1_MASK) != 0);
1439                         return TRUE;
1440                 } else {
1441                         icon_selected(mimeview, num, partinfo);
1442                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1443                         return TRUE;
1444                 }
1445
1446         case GDK_n:
1447         case GDK_N:
1448                 BREAK_ON_MODIFIER_KEY();
1449                 if (icon_list_select_by_number(mimeview, num + 1)) {
1450                         KEY_PRESS_EVENT_STOP();
1451                         return TRUE;
1452                 }
1453                 break;
1454
1455         case GDK_p:
1456         case GDK_P:
1457                 BREAK_ON_MODIFIER_KEY();
1458                 if (icon_list_select_by_number(mimeview, num - 1)) {
1459                         KEY_PRESS_EVENT_STOP();
1460                         return TRUE;
1461                 }
1462                 break;
1463
1464         case GDK_y:
1465                 BREAK_ON_MODIFIER_KEY();
1466                 KEY_PRESS_EVENT_STOP();
1467                 mimeview_save_as(mimeview);
1468                 return TRUE;
1469         case GDK_t:
1470                 BREAK_ON_MODIFIER_KEY();
1471                 KEY_PRESS_EVENT_STOP();
1472                 mimeview_display_as_text(mimeview);
1473                 return TRUE;
1474         case GDK_l:
1475                 BREAK_ON_MODIFIER_KEY();
1476                 KEY_PRESS_EVENT_STOP();
1477                 mimeview_launch(mimeview);
1478                 return TRUE;
1479         case GDK_o:
1480                 BREAK_ON_MODIFIER_KEY();
1481                 KEY_PRESS_EVENT_STOP();
1482                 mimeview_open_with(mimeview);
1483                 return TRUE;
1484         default:
1485                 break;
1486         }
1487
1488         if (!mimeview->messageview->mainwin) return FALSE;
1489         summaryview = mimeview->messageview->mainwin->summaryview;
1490         summary_pass_key_press_event(summaryview, event);
1491         return TRUE;
1492 }
1493
1494 static void toggle_icon(GtkToggleButton *button, MimeView *mimeview)
1495 {
1496         GList *child;
1497
1498         child = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
1499         for (; child != NULL; child = g_list_next(child)) {
1500                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1501                     GTK_TOGGLE_BUTTON(child->data) != button &&
1502                     gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(child->data)))
1503                         gtk_toggle_button_set_active
1504                                 (GTK_TOGGLE_BUTTON(child->data),
1505                                  FALSE);
1506         }
1507 }
1508
1509 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
1510 {
1511         GtkWidget *pixmap = NULL;
1512         GtkWidget *vbox;
1513         GtkWidget *button;
1514         gchar *tip;
1515         gchar *tiptmp;
1516         const gchar *desc = NULL;
1517         gchar *sigshort = NULL;
1518         gchar *content_type;
1519         StockPixmap stockp;
1520         MimeInfo *partinfo;
1521         MimeInfo *siginfo = NULL;
1522         MimeInfo *encrypted = NULL;
1523
1524         vbox = mimeview->icon_vbox;
1525         mimeview->icon_count++;
1526         button = gtk_toggle_button_new();
1527         gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
1528         g_object_set_data(G_OBJECT(button), "icon_number",
1529                           GINT_TO_POINTER(mimeview->icon_count));
1530         g_object_set_data(G_OBJECT(button), "partinfo",
1531                           mimeinfo);
1532
1533         switch (mimeinfo->type) {
1534
1535         case MIMETYPE_TEXT:
1536                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
1537                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
1538                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
1539                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
1540                 else
1541                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
1542                 break;
1543         case MIMETYPE_MESSAGE:
1544                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
1545                 break;
1546         case MIMETYPE_APPLICATION:
1547                 stockp = STOCK_PIXMAP_MIME_APPLICATION;
1548                 break;
1549         case MIMETYPE_IMAGE:
1550                 stockp = STOCK_PIXMAP_MIME_IMAGE;
1551                 break;
1552         case MIMETYPE_AUDIO:
1553                 stockp = STOCK_PIXMAP_MIME_AUDIO;
1554                 break;
1555         default:
1556                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
1557                 break;
1558         }
1559
1560         partinfo = mimeinfo;
1561         while (partinfo != NULL) {
1562                 if (privacy_mimeinfo_is_signed(partinfo)) {
1563                         siginfo = partinfo;
1564                         break;
1565                 }
1566                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
1567                         encrypted = partinfo;
1568                         break;
1569                 }
1570                 partinfo = procmime_mimeinfo_parent(partinfo);
1571         }
1572
1573         if (siginfo != NULL) {
1574                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
1575                 case SIGNATURE_UNCHECKED:
1576                 case SIGNATURE_CHECK_FAILED:
1577                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1578                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1579                         break;
1580                 case SIGNATURE_OK:
1581                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1582                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1583                         break;
1584                 case SIGNATURE_WARN:
1585                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1586                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
1587                         break;
1588                 case SIGNATURE_INVALID:
1589                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1590                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1591                         break;
1592                 }
1593                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
1594         } else if (encrypted != NULL) {
1595                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1596                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1597         } else {
1598                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
1599                                                           OVERLAY_NONE, 6, 3);
1600         }
1601         gtk_container_add(GTK_CONTAINER(button), pixmap);
1602
1603         if (!desc) {
1604                 if (prefs_common.attach_desc)
1605                         desc = get_part_description(mimeinfo);
1606                 else
1607                         desc = get_part_name(mimeinfo);
1608         }
1609
1610         content_type = procmime_get_content_type_str(mimeinfo->type,
1611                                                      mimeinfo->subtype);
1612
1613         tip = g_strjoin("\n", content_type,
1614                         to_human_readable(mimeinfo->length), NULL);
1615         g_free(content_type);
1616         if (desc && *desc) {
1617                 gchar *tmp = NULL;
1618                 if (!g_utf8_validate(desc, -1, NULL)) {
1619                         tmp = conv_filename_to_utf8(desc);
1620                 } else {
1621                         tmp = g_strdup(desc);
1622                 }
1623                 tiptmp = g_strjoin("\n", tmp, tip, NULL);
1624                 g_free(tip);
1625                 tip = tiptmp;
1626                 g_free(tmp);
1627         }
1628         if (sigshort && *sigshort) {
1629                 tiptmp = g_strjoin("\n", tip, sigshort, NULL);
1630                 g_free(tip);
1631                 tip = tiptmp;
1632         }
1633         g_free(sigshort);
1634
1635         gtk_tooltips_set_tip(mimeview->tooltips, button, tip, NULL);
1636         g_free(tip);
1637         gtk_widget_show_all(button);
1638         g_signal_connect(G_OBJECT(button), "button_release_event",
1639                          G_CALLBACK(icon_clicked_cb), mimeview);
1640         g_signal_connect(G_OBJECT(button), "key_press_event",
1641                          G_CALLBACK(icon_key_pressed), mimeview);
1642         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
1643
1644 }
1645
1646 static void icon_list_clear (MimeView *mimeview)
1647 {
1648         GList     *child;
1649         GtkAdjustment *adj;
1650
1651         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1652         for (; child != NULL; child = g_list_next(child)) {
1653                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
1654                                        GTK_WIDGET(child->data));
1655         }
1656         mimeview->icon_count = 0;
1657         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1658         gtk_adjustment_set_value(adj, adj->lower);
1659 }
1660
1661 static void icon_list_toggle_by_mime_info(MimeView      *mimeview,
1662                                           MimeInfo      *mimeinfo)
1663 {
1664         GList *child;
1665
1666         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1667         for (; child != NULL; child = g_list_next(child)) {
1668                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1669                     g_object_get_data(G_OBJECT(child->data),
1670                                       "partinfo") == (gpointer)mimeinfo) {
1671                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1672                         gtk_toggle_button_set_active
1673                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1674                 }
1675         }
1676 }
1677
1678 /*!
1679  *\brief        Used to 'click' the next or previous icon.
1680  *
1681  *\return       true if the icon 'number' exists and was selected.
1682  */
1683 static gboolean icon_list_select_by_number(MimeView     *mimeview,
1684                                            gint          number)
1685 {
1686         GList *child;
1687
1688         if (number == 0) return FALSE;
1689         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1690         for (; child != NULL; child = g_list_next(child)) {
1691                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1692                     GPOINTER_TO_INT(g_object_get_data(G_OBJECT(child->data),
1693                                         "icon_number")) == number) {
1694                         icon_selected(mimeview, number,
1695                                       (MimeInfo*)g_object_get_data(G_OBJECT(child->data),
1696                                                                    "partinfo"));
1697                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1698                         gtk_toggle_button_set_active
1699                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1700                         gtk_widget_grab_focus(GTK_WIDGET(child->data));
1701
1702                         return TRUE;
1703                 }
1704         }
1705         return FALSE;
1706 }
1707
1708 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
1709                                          GtkAllocation *size, MimeView *mimeview)
1710 {
1711         GtkAllocation *mainbox_size;
1712         GtkAllocation *vbox_size;
1713         GtkAllocation *layout_size;
1714         GtkAdjustment *adj;
1715
1716         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1717
1718         mainbox_size = &mimeview->icon_mainbox->allocation;
1719         vbox_size = &mimeview->icon_vbox->allocation;
1720         layout_size = &mimeview->icon_scroll->allocation;
1721
1722         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
1723                             GTK_LAYOUT(mimeview->icon_scroll)->width,
1724                             MAX(vbox_size->height, layout_size->height));
1725         adj->step_increment = 5;
1726 }
1727
1728 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
1729 {
1730         GtkRequisition size;
1731
1732         g_return_if_fail(mimeinfo != NULL);
1733
1734         while (mimeinfo != NULL) {
1735                 if (mimeinfo->type != MIMETYPE_MULTIPART)
1736                         icon_list_append_icon(mimeview, mimeinfo);
1737                 if (mimeinfo->node->children != NULL)
1738                         icon_list_create(mimeview,
1739                                 (MimeInfo *) mimeinfo->node->children->data);
1740                 mimeinfo = mimeinfo->node->next != NULL
1741                          ? (MimeInfo *) mimeinfo->node->next->data
1742                          : NULL;
1743         }
1744         gtk_widget_size_request(mimeview->icon_vbox, &size);
1745         if (size.width > mimeview->icon_mainbox->requisition.width) {
1746                 gtk_widget_set_size_request(mimeview->icon_mainbox,
1747                                             size.width, -1);
1748         }
1749
1750 }
1751
1752 static void mime_toggle_button_cb (GtkWidget *button, MimeView *mimeview)
1753 {
1754         gtk_widget_ref(button);
1755
1756         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1757                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT,
1758                                         GTK_SHADOW_NONE);
1759                 gtk_widget_hide(mimeview->icon_mainbox);
1760                 gtk_widget_show(mimeview->ctree_mainbox);
1761                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
1762
1763                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
1764                                         button);
1765                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
1766                                    button, FALSE, FALSE, 0);
1767                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 6);
1768         } else {
1769                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT,
1770                               GTK_SHADOW_NONE);
1771                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
1772                 gtk_widget_hide(mimeview->ctree_mainbox);
1773                 gtk_widget_show(mimeview->icon_mainbox);
1774                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
1775
1776                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
1777                                         button);
1778                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
1779                                    button, FALSE, FALSE, 0);
1780                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
1781                 if (mimeview->opened)
1782                         icon_list_toggle_by_mime_info
1783                                 (mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree),
1784                                                                        mimeview->opened));
1785
1786                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 0);
1787         }
1788         gtk_widget_grab_focus(button);
1789         gtk_widget_unref(button);
1790
1791 }
1792
1793 void mimeview_update (MimeView *mimeview) {
1794         if (mimeview && mimeview->mimeinfo) {
1795                 icon_list_clear(mimeview);
1796                 icon_list_create(mimeview, mimeview->mimeinfo);
1797         }
1798 }