src/mimeview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <gdk/gdkkeysyms.h>
  28 #include <gtk/gtknotebook.h>
  29 #include <gtk/gtkscrolledwindow.h>
  30 #include <gtk/gtkctree.h>
  31 #include <gtk/gtkvbox.h>
  32 #include <gtk/gtkhbox.h>
  33 #include <gtk/gtkvpaned.h>
  34 #include <gtk/gtktext.h>
  35 #include <gtk/gtksignal.h>
  36 #include <gtk/gtkmenu.h>
  37 #include <gtk/gtkdnd.h>
  38 #include <gtk/gtkselection.h>
  39 #include <gtk/gtktooltips.h>
  40 #include <gtk/gtkcontainer.h>
  41 #include <gtk/gtkbutton.h>
  42 #include <stdio.h>
  43
  44 #ifndef HAVE_APACHE_FNMATCH
  45 /* kludge: apache's fnmatch clashes with <regex.h>, don't include
  46  * fnmatch.h */
  47 #include <fnmatch.h>
  48 #endif
  49
  50 #include "intl.h"
  51 #include "main.h"
  52 #include "mimeview.h"
  53 #include "textview.h"
  54 #include "procmime.h"
  55 #include "summaryview.h"
  56 #include "menu.h"
  57 #include "filesel.h"
  58 #include "alertpanel.h"
  59 #include "inputdialog.h"
  60 #include "utils.h"
  61 #include "gtkutils.h"
  62 #include "prefs_common.h"
  63 #include "rfc2015.h"
  64 #include "stock_pixmap.h"
  65 #include "gtk/gtkvscrollbutton.h"
  66
  67
  68 typedef enum
  69 {
  70         COL_MIMETYPE = 0,
  71         COL_SIZE     = 1,
  72         COL_NAME     = 2
  73 } MimeViewColumnPos;
  74
  75 #define N_MIMEVIEW_COLS 3
  76
  77 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  78                                                  MimeInfo       *mimeinfo,
  79                                                  GtkCTreeNode   *parent);
  80 static GtkCTreeNode *mimeview_append_part       (MimeView       *mimeview,
  81                                                  MimeInfo       *partinfo,
  82                                                  GtkCTreeNode   *parent);
  83 static void mimeview_show_message_part          (MimeView       *mimeview,
  84                                                  MimeInfo       *partinfo);
  85 static void mimeview_change_view_type           (MimeView       *mimeview,
  86                                                  MimeViewType    type);
  87 gchar *mimeview_get_filename_for_part           (MimeInfo       *partinfo,
  88                                                  const gchar    *basedir,
  89                                                  gint            number);
  90 static gboolean mimeview_write_part             (const gchar    *filename,
  91                                                  MimeInfo       *partinfo);
  92
  93 static void mimeview_selected           (GtkCTree       *ctree,
  94                                          GtkCTreeNode   *node,
  95                                          gint            column,
  96                                          MimeView       *mimeview);
  97 static void mimeview_start_drag         (GtkWidget      *widget,
  98                                          gint            button,
  99                                          GdkEvent       *event,
 100                                          MimeView       *mimeview);
 101 static gint mimeview_button_pressed     (GtkWidget      *widget,
 102                                          GdkEventButton *event,
 103                                          MimeView       *mimeview);
 104 static gint mimeview_key_pressed        (GtkWidget      *widget,
 105                                          GdkEventKey    *event,
 106                                          MimeView       *mimeview);
 107
 108 static void mimeview_drag_data_get      (GtkWidget        *widget,
 109                                          GdkDragContext   *drag_context,
 110                                          GtkSelectionData *selection_data,
 111                                          guint             info,
 112                                          guint             time,
 113                                          MimeView         *mimeview);
 114
 115 static void mimeview_display_as_text    (MimeView       *mimeview);
 116 static void mimeview_save_as            (MimeView       *mimeview);
 117 static void mimeview_save_all           (MimeView       *mimeview);
 118 static void mimeview_launch             (MimeView       *mimeview);
 119 static void mimeview_open_with          (MimeView       *mimeview);
 120 static void mimeview_view_file          (const gchar    *filename,
 121                                          MimeInfo       *partinfo,
 122                                          const gchar    *cmdline);
 123 static gboolean icon_clicked_cb         (GtkWidget      *button,
 124                                          GdkEventButton *event,
 125                                          MimeView       *mimeview);
 126 static void icon_selected               (MimeView       *mimeview,
 127                                          gint            num,
 128                                          MimeInfo       *partinfo);
 129 static gint icon_key_pressed            (GtkWidget      *button,
 130                                          GdkEventKey    *event,
 131                                          MimeView       *mimeview);
 132 static void toggle_icon                 (GtkToggleButton *button,
 133                                          MimeView       *mimeview);
 134 static void icon_list_append_icon       (MimeView       *mimeview,
 135                                          MimeInfo       *mimeinfo);
 136 static void icon_list_create            (MimeView       *mimeview,
 137                                          MimeInfo       *mimeinfo);
 138 static void icon_list_clear             (MimeView       *mimeview);
 139 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 140                                            MimeInfo     *mimeinfo);
 141 static gboolean icon_list_select_by_number(MimeView     *mimeview,
 142                                            gint          number);
 143 static void mime_toggle_button_cb       (GtkWidget      *button,
 144                                          MimeView       *mimeview);
 145 static gboolean part_button_pressed     (MimeView       *mimeview,
 146                                          GdkEventButton *event,
 147                                          MimeInfo       *partinfo);
 148 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 149                                          GtkAllocation  *layout_size,
 150                                          MimeView       *mimeview);
 151
 152 static GtkItemFactoryEntry mimeview_popup_entries[] =
 153 {
 154         {N_("/_Open"),            NULL, mimeview_launch,          0, NULL},
 155         {N_("/Open _with..."),    NULL, mimeview_open_with,       0, NULL},
 156         {N_("/_Display as text"), NULL, mimeview_display_as_text, 0, NULL},
 157         {N_("/_Save as..."),      NULL, mimeview_save_as,         0, NULL},
 158         {N_("/Save _all..."),     NULL, mimeview_save_all,        0, NULL},
 159 };
 160
 161 static GtkTargetEntry mimeview_mime_types[] =
 162 {
 163         {"text/uri-list", 0, 0}
 164 };
 165
 166 GSList *mimeviewer_factories;
 167 GSList *mimeviews;
 168
 169 MimeView *mimeview_create(MainWindow *mainwin)
 170 {
 171         MimeView *mimeview;
 172
 173         GtkWidget *paned;
 174         GtkWidget *scrolledwin;
 175         GtkWidget *ctree;
 176         GtkWidget *mime_notebook;
 177         GtkWidget *popupmenu;
 178         GtkWidget *ctree_mainbox;
 179         GtkWidget *vbox;
 180         GtkWidget *mime_toggle;
 181         GtkWidget *icon_mainbox;
 182         GtkWidget *icon_scroll;
 183         GtkWidget *icon_vbox;
 184         GtkWidget *arrow;
 185         GtkWidget *scrollbutton;
 186         GtkWidget *hbox;
 187         GtkTooltips *tooltips;
 188         GtkItemFactory *popupfactory;
 189         NoticeView *siginfoview;
 190         gchar *titles[N_MIMEVIEW_COLS];
 191         gint n_entries;
 192         gint i;
 193
 194         debug_print("Creating MIME view...\n");
 195         mimeview = g_new0(MimeView, 1);
 196
 197         titles[COL_MIMETYPE] = _("MIME Type");
 198         titles[COL_SIZE]     = _("Size");
 199         titles[COL_NAME]     = _("Name");
 200
 201         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 202         gtk_widget_show(scrolledwin);
 203         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 204                                        GTK_POLICY_AUTOMATIC,
 205                                        GTK_POLICY_ALWAYS);
 206
 207         ctree = gtk_sctree_new_with_titles(N_MIMEVIEW_COLS, 0, titles);
 208         gtk_widget_show(ctree);
 209         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 210         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 211         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_SIZE,
 212                                            GTK_JUSTIFY_RIGHT);
 213         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_MIMETYPE, 240);
 214         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_SIZE, 90);
 215         for (i = 0; i < N_MIMEVIEW_COLS; i++)
 216                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 217                                        GTK_CAN_FOCUS);
 218         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 219
 220         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 221                          G_CALLBACK(mimeview_selected), mimeview);
 222         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 223                          G_CALLBACK(mimeview_button_pressed), mimeview);
 224         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 225                          G_CALLBACK(mimeview_key_pressed), mimeview);
 226         g_signal_connect(G_OBJECT (ctree),"start_drag",
 227                          G_CALLBACK (mimeview_start_drag), mimeview);
 228         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 229                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 230
 231         mime_notebook = gtk_notebook_new();
 232         gtk_widget_show(mime_notebook);
 233         GTK_WIDGET_UNSET_FLAGS(mime_notebook, GTK_CAN_FOCUS);
 234         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 235         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 236
 237         icon_vbox = gtk_vbox_new(FALSE, 2);
 238         gtk_widget_show(icon_vbox);
 239         icon_scroll = gtk_layout_new(NULL, NULL);
 240         gtk_widget_show(icon_scroll);
 241         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 242         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 243         gtk_widget_show(scrollbutton);
 244
 245         mime_toggle = gtk_toggle_button_new();
 246         gtk_widget_show(mime_toggle);
 247         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 248         gtk_widget_show(arrow);
 249         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 250         g_signal_connect(G_OBJECT(mime_toggle), "toggled",
 251                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 252
 253         icon_mainbox = gtk_vbox_new(FALSE, 0);
 254         gtk_widget_show(icon_mainbox);
 255         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 256         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 257         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 258         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 259                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 260
 261         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 262         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 263
 264         n_entries = sizeof(mimeview_popup_entries) /
 265                 sizeof(mimeview_popup_entries[0]);
 266         popupmenu = menu_create_items(mimeview_popup_entries, n_entries,
 267                                       "<MimeView>", &popupfactory, mimeview);
 268         tooltips = gtk_tooltips_new();
 269         gtk_tooltips_set_delay(tooltips, 0);
 270
 271         vbox = gtk_vbox_new(FALSE, 0);
 272         gtk_widget_show(vbox);
 273         siginfoview = noticeview_create(mainwin);
 274         noticeview_hide(siginfoview);
 275         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 276         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 277
 278         paned = gtk_vpaned_new();
 279         gtk_widget_show(paned);
 280         gtk_paned_set_gutter_size(GTK_PANED(paned), 0);
 281         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 282         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 283
 284         hbox = gtk_hbox_new(FALSE, 0);
 285         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 286         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 287
 288         gtk_widget_show(hbox);
 289         gtk_widget_hide(ctree_mainbox);
 290
 291         mimeview->hbox          = hbox;
 292         mimeview->paned         = paned;
 293         mimeview->scrolledwin   = scrolledwin;
 294         mimeview->ctree         = ctree;
 295         mimeview->mime_notebook = mime_notebook;
 296         mimeview->popupmenu     = popupmenu;
 297         mimeview->popupfactory  = popupfactory;
 298         mimeview->type          = -1;
 299         mimeview->ctree_mainbox = ctree_mainbox;
 300         mimeview->icon_scroll   = icon_scroll;
 301         mimeview->icon_vbox     = icon_vbox;
 302         mimeview->icon_mainbox  = icon_mainbox;
 303         mimeview->icon_count    = 0;
 304         mimeview->mainwin       = mainwin;
 305         mimeview->tooltips      = tooltips;
 306         mimeview->oldsize       = 60;
 307         mimeview->mime_toggle   = mime_toggle;
 308         mimeview->siginfoview   = siginfoview;
 309
 310         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 311
 312         mimeviews = g_slist_prepend(mimeviews, mimeview);
 313
 314         return mimeview;
 315 }
 316
 317 void mimeview_init(MimeView *mimeview)
 318 {
 319         textview_init(mimeview->textview);
 320
 321         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 322                 GTK_WIDGET_PTR(mimeview->textview));
 323 }
 324
 325 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 326                            const gchar *file)
 327 {
 328         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 329         GtkCTreeNode *node;
 330
 331         mimeview_clear(mimeview);
 332
 333         g_return_if_fail(file != NULL);
 334         g_return_if_fail(mimeinfo != NULL);
 335
 336         mimeview->mimeinfo = mimeinfo;
 337
 338         mimeview->file = g_strdup(file);
 339
 340         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 341                                         mimeview);
 342
 343         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 344         icon_list_create(mimeview, mimeinfo);
 345
 346         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 347                                           mimeview_selected, mimeview);
 348
 349         node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 350         if (node) {
 351                 gtk_ctree_select(ctree, node);
 352                 icon_list_toggle_by_mime_info
 353                         (mimeview, gtk_ctree_node_get_row_data(ctree, node));
 354                 gtkut_ctree_set_focus_row(ctree, node);
 355         }
 356 }
 357
 358 void mimeview_destroy(MimeView *mimeview)
 359 {
 360         GSList *cur;
 361
 362         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 363                 MimeViewer *viewer = (MimeViewer *) cur->data;
 364                 gtk_container_remove(GTK_CONTAINER(mimeview->mime_notebook),
 365                         GTK_WIDGET(viewer->get_widget(viewer)));
 366                 viewer->destroy_viewer(viewer);
 367         }
 368         g_slist_free(mimeview->viewers);
 369         gtk_target_list_unref(mimeview->target_list);
 370
 371         procmime_mimeinfo_free_all(mimeview->mimeinfo);
 372         g_free(mimeview->file);
 373         g_free(mimeview);
 374
 375         mimeviews = g_slist_remove(mimeviews, mimeview);
 376
 377 }
 378
 379 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 380 {
 381         return gtk_ctree_node_get_row_data
 382                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 383 }
 384
 385 static void mimeview_set_multipart_tree(MimeView *mimeview,
 386                                         MimeInfo *mimeinfo,
 387                                         GtkCTreeNode *parent)
 388 {
 389         GtkCTreeNode *node;
 390
 391         g_return_if_fail(mimeinfo != NULL);
 392
 393         while (mimeinfo != NULL) {
 394                 node = mimeview_append_part(mimeview, mimeinfo, parent);
 395
 396                 if (mimeinfo->node->children)
 397                         mimeview_set_multipart_tree(mimeview, (MimeInfo *) mimeinfo->node->children->data, node);
 398                 mimeinfo = mimeinfo->node->next != NULL ? (MimeInfo *) mimeinfo->node->next->data : NULL;
 399         }
 400 }
 401
 402 static const gchar *get_part_name(MimeInfo *partinfo)
 403 {
 404         const gchar *name;
 405
 406         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 407         if (name == NULL)
 408                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 409         if (name == NULL)
 410                 name = "";
 411
 412         return name;
 413 }
 414
 415 static const gchar *get_part_description(MimeInfo *partinfo)
 416 {
 417         if (partinfo->description)
 418                 return partinfo->description;
 419         else
 420                 return get_part_name(partinfo);
 421 }
 422
 423 static GtkCTreeNode *mimeview_append_part(MimeView *mimeview,
 424                                           MimeInfo *partinfo,
 425                                           GtkCTreeNode *parent)
 426 {
 427         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 428         GtkCTreeNode *node;
 429         static gchar content_type[64];
 430         gchar *str[N_MIMEVIEW_COLS];
 431
 432         if (partinfo->type != MIMETYPE_UNKNOWN && partinfo->subtype) {
 433                 g_snprintf(content_type, 64, "%s/%s", procmime_get_type_str(partinfo->type), partinfo->subtype);
 434         } else {
 435                 g_snprintf(content_type, 64, "UNKNOWN");
 436         }
 437
 438         str[COL_MIMETYPE] = content_type;
 439         str[COL_SIZE] = to_human_readable(partinfo->length);
 440         if (prefs_common.attach_desc)
 441                 str[COL_NAME] = (gchar *) get_part_description(partinfo);
 442         else
 443                 str[COL_NAME] = (gchar *) get_part_name(partinfo);
 444
 445         node = gtk_ctree_insert_node(ctree, parent, NULL, str, 0,
 446                                      NULL, NULL, NULL, NULL,
 447                                      FALSE, TRUE);
 448         gtk_ctree_node_set_row_data(ctree, node, partinfo);
 449
 450         return node;
 451 }
 452
 453 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 454 {
 455         FILE *fp;
 456         const gchar *fname;
 457
 458         if (!partinfo) return;
 459
 460         fname = mimeview->file;
 461         if (!fname) return;
 462
 463         if ((fp = fopen(fname, "rb")) == NULL) {
 464                 FILE_OP_ERROR(fname, "fopen");
 465                 return;
 466         }
 467
 468         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 469                 FILE_OP_ERROR(mimeview->file, "fseek");
 470                 fclose(fp);
 471                 return;
 472         }
 473
 474         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 475         textview_show_part(mimeview->textview, partinfo, fp);
 476
 477         fclose(fp);
 478 }
 479
 480 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 481 {
 482         GSList *cur;
 483         MimeViewerFactory *factory = NULL;
 484         MimeViewer *viewer = NULL;
 485
 486 /*
 487  * FNM_CASEFOLD is a GNU extension
 488  * if its not defined copy the string to the stack and
 489  * convert the copy to lower case
 490  */
 491 #ifndef FNM_CASEFOLD
 492 #define FNM_CASEFOLD 0
 493         Xstrdup_a(content_type, content_type, return NULL);
 494         g_strdown((gchar *)content_type);
 495 #endif
 496
 497         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 498                 MimeViewerFactory *curfactory = cur->data;
 499                 gint i = 0;
 500
 501                 while (curfactory->content_types[i] != NULL) {
 502                         if(!fnmatch(curfactory->content_types[i], content_type, FNM_CASEFOLD)) {
 503                                 debug_print("%s\n", curfactory->content_types[i]);
 504                                 factory = curfactory;
 505                                 break;
 506                         }
 507                         i++;
 508                 }
 509                 if (factory != NULL)
 510                         break;
 511         }
 512         if (factory == NULL)
 513                 return NULL;
 514
 515         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 516                 MimeViewer *curviewer = cur->data;
 517
 518                 if (curviewer->factory == factory)
 519                         return curviewer;
 520         }
 521         viewer = factory->create_viewer();
 522         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 523                 GTK_WIDGET(viewer->get_widget(viewer)));
 524
 525         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 526
 527         return viewer;
 528 }
 529
 530 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 531 {
 532         gchar *content_type = NULL;
 533         MimeViewer *viewer = NULL;
 534
 535         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 536             (!g_strcasecmp(partinfo->subtype, "octet-stream"))) {
 537                 const gchar *filename;
 538
 539                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 540                 if (filename == NULL)
 541                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 542                 if (filename != NULL)
 543                         content_type = procmime_get_mime_type(filename);
 544         } else {
 545                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 546         }
 547
 548         if (content_type != NULL) {
 549                 viewer = get_viewer_for_content_type(mimeview, content_type);
 550                 g_free(content_type);
 551         }
 552
 553         return viewer;
 554 }
 555
 556 static gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 557 {
 558         MimeViewer *viewer;
 559
 560         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 561         if (viewer == NULL) {
 562                 if (mimeview->mimeviewer != NULL)
 563                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 564                 mimeview->mimeviewer = NULL;
 565                 return FALSE;
 566         }
 567
 568         if (mimeview->mimeviewer != viewer) {
 569                 if (mimeview->mimeviewer != NULL)
 570                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 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_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_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                 GTK_SIGNAL_FUNC(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_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         subst_for_shellsafe_filename(filename);
 996
 997         fullname = g_strconcat
 998                 (basedir, G_DIR_SEPARATOR_S, (filename[0] == G_DIR_SEPARATOR)
 999                  ? &filename[1] : filename, NULL);
1000         subst_chars(fullname, "/\\", G_DIR_SEPARATOR);
1001
1002         g_free(filename);
1003         return fullname;
1004 }
1005
1006 /**
1007  * Write a single attachment to file
1008  * \param filename Filename with path
1009  * \param partinfo Attachment to save
1010  */
1011 static gboolean mimeview_write_part(const gchar *filename,
1012                                     MimeInfo *partinfo)
1013 {
1014         gchar *dir;
1015
1016         dir= g_dirname(filename);
1017         if (!is_dir_exist(dir))
1018                 make_dir_hier(dir);
1019         g_free(dir);
1020
1021         if (is_file_exist(filename)) {
1022                 AlertValue aval;
1023                 gchar *res;
1024
1025                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1026                                       filename);
1027                 aval = alertpanel(_("Overwrite"), res, _("OK"),
1028                                   _("Cancel"), NULL);
1029                 g_free(res);
1030                 if (G_ALERTDEFAULT != aval) return FALSE;
1031         }
1032
1033         if (procmime_get_part(filename, partinfo) < 0) {
1034                 alertpanel_error
1035                         (_("Can't save the part of multipart message."));
1036                 return FALSE;
1037         }
1038
1039         return TRUE;
1040 }
1041
1042 /**
1043  * Menu callback: Save all attached files
1044  * \param mimeview Current display
1045  */
1046 static void mimeview_save_all(MimeView *mimeview)
1047 {
1048         MimeInfo *partinfo;
1049         gchar *dirname;
1050         gchar *startdir = NULL;
1051         gint number = 1;
1052
1053         if (!mimeview->opened) return;
1054         if (!mimeview->file) return;
1055         if (!mimeview->mimeinfo) return;
1056
1057         partinfo = mimeview->mimeinfo;
1058         if (prefs_common.attach_save_dir)
1059                 startdir = g_strconcat(prefs_common.attach_save_dir,
1060                                        G_DIR_SEPARATOR_S, NULL);
1061
1062         dirname = filesel_select_file(_("Select destination folder"), startdir);
1063         if (!dirname) {
1064                 if (startdir) g_free(startdir);
1065                 return;
1066         }
1067
1068         if (!is_dir_exist (dirname)) {
1069                 alertpanel_error(_("`%s' is not a directory."),
1070                                  dirname);
1071                 if (startdir) g_free(startdir);
1072                 return;
1073         }
1074
1075         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1076                 dirname[strlen(dirname)-1] = '\0';
1077
1078         while (partinfo != NULL) {
1079                 if (partinfo->type != MIMETYPE_MESSAGE &&
1080                     partinfo->type != MIMETYPE_MULTIPART &&
1081                     partinfo->disposition != DISPOSITIONTYPE_INLINE) {
1082                         gchar *filename = mimeview_get_filename_for_part
1083                                 (partinfo, dirname, number++);
1084
1085                         mimeview_write_part(filename, partinfo);
1086                         g_free(filename);
1087                 }
1088                 partinfo = procmime_mimeinfo_next(partinfo);
1089         }
1090
1091         if (prefs_common.attach_save_dir)
1092                 g_free(prefs_common.attach_save_dir);
1093
1094         prefs_common.attach_save_dir = g_strdup(dirname);
1095
1096         if (startdir) g_free(startdir);
1097 }
1098
1099 /**
1100  * Menu callback: Save the selected attachment
1101  * \param mimeview Current display
1102  */
1103 static void mimeview_save_as(MimeView *mimeview)
1104 {
1105         gchar *filename;
1106         gchar *defname = NULL;
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 *) g_object_get_data
1118                          (G_OBJECT(mimeview->popupmenu),
1119                          "pop_partinfo");
1120                 g_object_set_data(G_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                 Xstrdup_a(defname, partname, return);
1127                 subst_for_shellsafe_filename(defname);
1128         }
1129
1130         if (prefs_common.attach_save_dir)
1131                 filepath = g_strconcat(prefs_common.attach_save_dir,
1132                                        G_DIR_SEPARATOR_S, defname, NULL);
1133         else
1134                 filepath = g_strdup(defname);
1135
1136         filename = filesel_select_file(_("Save as"), filepath);
1137         if (!filename) {
1138                 g_free(filepath);
1139                 return;
1140         }
1141
1142         mimeview_write_part(filename, partinfo);
1143
1144         filedir = g_dirname(filename);
1145         if (filedir && strcmp(filedir, ".")) {
1146                 if (prefs_common.attach_save_dir)
1147                         g_free(prefs_common.attach_save_dir);
1148                 prefs_common.attach_save_dir = g_strdup(filedir);
1149         }
1150
1151         g_free(filedir);
1152         g_free(filepath);
1153 }
1154
1155 static void mimeview_display_as_text(MimeView *mimeview)
1156 {
1157         MimeInfo *partinfo;
1158
1159         if (!mimeview->opened) return;
1160
1161         partinfo = mimeview_get_selected_part(mimeview);
1162         if (!partinfo)  {
1163                 partinfo = (MimeInfo *) g_object_get_data
1164                         (G_OBJECT(mimeview->popupmenu),
1165                          "pop_partinfo");
1166                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1167                                   "pop_partinfo", NULL);
1168
1169         }
1170         g_return_if_fail(partinfo != NULL);
1171         mimeview_show_message_part(mimeview, partinfo);
1172 }
1173
1174 static void mimeview_launch(MimeView *mimeview)
1175 {
1176         MimeInfo *partinfo;
1177         gchar *filename;
1178
1179         if (!mimeview->opened) return;
1180         if (!mimeview->file) return;
1181
1182         partinfo = mimeview_get_selected_part(mimeview);
1183         if (!partinfo) {
1184                 partinfo = (MimeInfo *) g_object_get_data
1185                         (G_OBJECT(mimeview->popupmenu),
1186                          "pop_partinfo");
1187                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1188                                   "pop_partinfo", NULL);
1189         }
1190         g_return_if_fail(partinfo != NULL);
1191
1192         filename = procmime_get_tmp_file_name(partinfo);
1193
1194         if (procmime_get_part(filename, partinfo) < 0)
1195                 alertpanel_error
1196                         (_("Can't save the part of multipart message."));
1197         else
1198                 mimeview_view_file(filename, partinfo, NULL);
1199
1200         g_free(filename);
1201 }
1202
1203 static void mimeview_open_with(MimeView *mimeview)
1204 {
1205         MimeInfo *partinfo;
1206         gchar *filename;
1207         gchar *cmd;
1208
1209         if (!mimeview->opened) return;
1210         if (!mimeview->file) return;
1211
1212         partinfo = mimeview_get_selected_part(mimeview);
1213         if (!partinfo) {
1214                 partinfo = (MimeInfo *) g_object_get_data
1215                         (G_OBJECT(mimeview->popupmenu),
1216                          "pop_partinfo");
1217                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1218                                   "pop_partinfo", NULL);
1219         }
1220         g_return_if_fail(partinfo != NULL);
1221
1222         filename = procmime_get_tmp_file_name(partinfo);
1223
1224         if (procmime_get_part(filename, partinfo) < 0) {
1225                 alertpanel_error
1226                         (_("Can't save the part of multipart message."));
1227                 g_free(filename);
1228                 return;
1229         }
1230
1231         if (!prefs_common.mime_open_cmd_history)
1232                 prefs_common.mime_open_cmd_history =
1233                         add_history(NULL, prefs_common.mime_open_cmd);
1234
1235         cmd = input_dialog_combo
1236                 (_("Open with"),
1237                  _("Enter the command line to open file:\n"
1238                    "(`%s' will be replaced with file name)"),
1239                  prefs_common.mime_open_cmd,
1240                  prefs_common.mime_open_cmd_history,
1241                  TRUE);
1242         if (cmd) {
1243                 mimeview_view_file(filename, partinfo, cmd);
1244                 g_free(prefs_common.mime_open_cmd);
1245                 prefs_common.mime_open_cmd = cmd;
1246                 prefs_common.mime_open_cmd_history =
1247                         add_history(prefs_common.mime_open_cmd_history, cmd);
1248         }
1249
1250         g_free(filename);
1251 }
1252
1253 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1254                                const gchar *cmdline)
1255 {
1256         static gchar *default_image_cmdline = "display '%s'";
1257         static gchar *default_audio_cmdline = "play '%s'";
1258         static gchar *default_html_cmdline = DEFAULT_BROWSER_CMD;
1259         static gchar *mime_cmdline = "metamail -d -b -x -c %s '%s'";
1260         gchar buf[1024];
1261         gchar m_buf[1024];
1262         const gchar *cmd;
1263         const gchar *def_cmd;
1264         const gchar *p;
1265
1266         if (cmdline) {
1267                 cmd = cmdline;
1268                 def_cmd = NULL;
1269         } else if (MIMETYPE_APPLICATION == partinfo->type &&
1270                    !g_strcasecmp(partinfo->subtype, "octet-stream")) {
1271                 return;
1272         } else if (MIMETYPE_IMAGE == partinfo->type) {
1273                 cmd = prefs_common.mime_image_viewer;
1274                 def_cmd = default_image_cmdline;
1275         } else if (MIMETYPE_AUDIO == partinfo->type) {
1276                 cmd = prefs_common.mime_audio_player;
1277                 def_cmd = default_audio_cmdline;
1278         } else if (MIMETYPE_TEXT == partinfo->type && !strcmp(partinfo->subtype, "html")) {
1279                 cmd = prefs_common.uri_cmd;
1280                 def_cmd = default_html_cmdline;
1281         } else {
1282                 gchar *content_type;
1283
1284                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
1285                 g_snprintf(m_buf, sizeof(m_buf), mime_cmdline,
1286                            content_type, "%s");
1287                 g_free(content_type);
1288                 cmd = m_buf;
1289                 def_cmd = NULL;
1290         }
1291
1292         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
1293             !strchr(p + 2, '%'))
1294                 g_snprintf(buf, sizeof(buf), cmd, filename);
1295         else {
1296                 if (cmd)
1297                         g_warning("MIME viewer command line is invalid: `%s'", cmd);
1298                 if (def_cmd)
1299                         g_snprintf(buf, sizeof(buf), def_cmd, filename);
1300                 else
1301                         return;
1302         }
1303
1304         execute_command_line(buf, TRUE);
1305 }
1306
1307 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
1308 {
1309         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
1310 }
1311
1312 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
1313 {
1314         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
1315 }
1316
1317 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
1318 {
1319         GSList *mimeview_list, *viewer_list;
1320
1321         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
1322                 MimeView *mimeview = (MimeView *) mimeview_list->data;
1323
1324                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
1325                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1326                         mimeview->mimeviewer = NULL;
1327                 }
1328
1329                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
1330                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
1331
1332                         mimeviewer->destroy_viewer(mimeviewer);
1333                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
1334                 }
1335         }
1336
1337         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
1338 }
1339
1340 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
1341 {
1342         gint      num;
1343         MimeInfo *partinfo;
1344
1345         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1346         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1347
1348         icon_selected(mimeview, num, partinfo);
1349         gtk_widget_grab_focus(button);
1350         if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1351                 toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1352                 if (event->button == 2 || event->button == 3)
1353                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button),
1354                                                      TRUE);
1355         }
1356
1357         part_button_pressed(mimeview, event, partinfo);
1358
1359         return FALSE;
1360 }
1361
1362 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
1363 {
1364         GtkCTreeNode *node;
1365         node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
1366         if (node)
1367                 gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
1368 }
1369
1370 #undef  KEY_PRESS_EVENT_STOP
1371 #define KEY_PRESS_EVENT_STOP() \
1372         g_signal_stop_emission_by_name(G_OBJECT(button), \
1373                                        "key_press_event");
1374
1375 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
1376                              MimeView *mimeview)
1377 {
1378         gint          num;
1379         MimeInfo     *partinfo;
1380         SummaryView  *summaryview;
1381         TextView     *textview;
1382
1383         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1384         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1385
1386         if (!event) return FALSE;
1387
1388         textview = mimeview->textview;
1389
1390         switch (event->keyval) {
1391         case GDK_space:
1392                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1393                         /* stop the button being untoggled */
1394                         KEY_PRESS_EVENT_STOP();
1395                         if (textview_scroll_page(textview, FALSE))
1396                                 return TRUE;
1397
1398                         if (icon_list_select_by_number(mimeview, num + 1))
1399                                 return TRUE;
1400                 } else {
1401                         icon_selected(mimeview, num, partinfo);
1402                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1403                         return TRUE;
1404                 }
1405
1406                 break;
1407         case GDK_BackSpace:
1408                 textview_scroll_page(textview, TRUE);
1409                 return TRUE;
1410         case GDK_Return:
1411                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1412                         KEY_PRESS_EVENT_STOP();
1413                         textview_scroll_one_line(textview,
1414                                                  (event->state & GDK_MOD1_MASK) != 0);
1415                         return TRUE;
1416                 } else {
1417                         icon_selected(mimeview, num, partinfo);
1418                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1419                         return TRUE;
1420                 }
1421
1422         case GDK_n:
1423         case GDK_N:
1424                 BREAK_ON_MODIFIER_KEY();
1425                 if (icon_list_select_by_number(mimeview, num + 1)) {
1426                         KEY_PRESS_EVENT_STOP();
1427                         return TRUE;
1428                 }
1429                 break;
1430
1431         case GDK_p:
1432         case GDK_P:
1433                 BREAK_ON_MODIFIER_KEY();
1434                 if (icon_list_select_by_number(mimeview, num - 1)) {
1435                         KEY_PRESS_EVENT_STOP();
1436                         return TRUE;
1437                 }
1438                 break;
1439
1440         case GDK_y:
1441                 BREAK_ON_MODIFIER_KEY();
1442                 KEY_PRESS_EVENT_STOP();
1443                 mimeview_save_as(mimeview);
1444                 return TRUE;
1445         case GDK_t:
1446                 BREAK_ON_MODIFIER_KEY();
1447                 KEY_PRESS_EVENT_STOP();
1448                 mimeview_display_as_text(mimeview);
1449                 return TRUE;
1450         case GDK_l:
1451                 BREAK_ON_MODIFIER_KEY();
1452                 KEY_PRESS_EVENT_STOP();
1453                 mimeview_launch(mimeview);
1454                 return TRUE;
1455         case GDK_o:
1456                 BREAK_ON_MODIFIER_KEY();
1457                 KEY_PRESS_EVENT_STOP();
1458                 mimeview_open_with(mimeview);
1459                 return TRUE;
1460         default:
1461                 break;
1462         }
1463
1464         if (!mimeview->messageview->mainwin) return FALSE;
1465         summaryview = mimeview->messageview->mainwin->summaryview;
1466         summary_pass_key_press_event(summaryview, event);
1467         return TRUE;
1468 }
1469
1470 static void toggle_icon(GtkToggleButton *button, MimeView *mimeview)
1471 {
1472         GList *child;
1473
1474         child = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
1475         for (; child != NULL; child = g_list_next(child)) {
1476                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1477                     GTK_TOGGLE_BUTTON(child->data) != button &&
1478                     gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(child->data)))
1479                         gtk_toggle_button_set_active
1480                                 (GTK_TOGGLE_BUTTON(child->data),
1481                                  FALSE);
1482         }
1483 }
1484
1485 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
1486 {
1487         GtkWidget *pixmap;
1488         GtkWidget *vbox;
1489         GtkWidget *button;
1490         gchar *tip;
1491         gchar *tiptmp;
1492         const gchar *desc = NULL;
1493         gchar *sigshort = NULL;
1494         gchar *content_type;
1495         StockPixmap stockp;
1496         MimeInfo *partinfo;
1497         MimeInfo *siginfo = NULL;
1498         MimeInfo *encrypted = NULL;
1499
1500         vbox = mimeview->icon_vbox;
1501         mimeview->icon_count++;
1502         button = gtk_toggle_button_new();
1503         gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
1504         g_object_set_data(G_OBJECT(button), "icon_number",
1505                           GINT_TO_POINTER(mimeview->icon_count));
1506         g_object_set_data(G_OBJECT(button), "partinfo",
1507                           mimeinfo);
1508
1509         switch (mimeinfo->type) {
1510
1511         case MIMETYPE_TEXT:
1512                 if (mimeinfo->subtype && !g_strcasecmp(mimeinfo->subtype, "html"))
1513                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
1514                 else if  (mimeinfo->subtype && !g_strcasecmp(mimeinfo->subtype, "enriched"))
1515                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
1516                 else
1517                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
1518                 break;
1519         case MIMETYPE_MESSAGE:
1520                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
1521                 break;
1522         case MIMETYPE_APPLICATION:
1523                 stockp = STOCK_PIXMAP_MIME_APPLICATION;
1524                 break;
1525         case MIMETYPE_IMAGE:
1526                 stockp = STOCK_PIXMAP_MIME_IMAGE;
1527                 break;
1528         case MIMETYPE_AUDIO:
1529                 stockp = STOCK_PIXMAP_MIME_AUDIO;
1530                 break;
1531         default:
1532                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
1533                 break;
1534         }
1535
1536         partinfo = mimeinfo;
1537         while (partinfo != NULL) {
1538                 if (privacy_mimeinfo_is_signed(partinfo)) {
1539                         siginfo = partinfo;
1540                         break;
1541                 }
1542                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
1543                         encrypted = partinfo;
1544                         break;
1545                 }
1546                 partinfo = procmime_mimeinfo_parent(partinfo);
1547         }
1548
1549         if (siginfo != NULL) {
1550                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
1551                 case SIGNATURE_UNCHECKED:
1552                 case SIGNATURE_CHECK_FAILED:
1553                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1554                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1555                         break;
1556                 case SIGNATURE_OK:
1557                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1558                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1559                         break;
1560                 case SIGNATURE_WARN:
1561                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1562                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
1563                         break;
1564                 case SIGNATURE_INVALID:
1565                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1566                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1567                         break;
1568                 }
1569                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
1570         } else if (encrypted != NULL) {
1571                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1572                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1573         } else {
1574                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
1575                                                           OVERLAY_NONE, 6, 3);
1576         }
1577         gtk_container_add(GTK_CONTAINER(button), pixmap);
1578
1579         if (!desc) {
1580                 if (prefs_common.attach_desc)
1581                         desc = get_part_description(mimeinfo);
1582                 else
1583                         desc = get_part_name(mimeinfo);
1584         }
1585
1586         content_type = procmime_get_content_type_str(mimeinfo->type,
1587                                                      mimeinfo->subtype);
1588
1589         tip = g_strjoin("\n", content_type,
1590                         to_human_readable(mimeinfo->length), NULL);
1591         g_free(content_type);
1592         if (desc && *desc) {
1593                 tiptmp = g_strjoin("\n", desc, tip, NULL);
1594                 g_free(tip);
1595                 tip = tiptmp;
1596         }
1597         if (sigshort && *sigshort) {
1598                 tiptmp = g_strjoin("\n", tip, sigshort, NULL);
1599                 g_free(tip);
1600                 tip = tiptmp;
1601         }
1602         g_free(sigshort);
1603
1604         gtk_tooltips_set_tip(mimeview->tooltips, button, tip, NULL);
1605         g_free(tip);
1606         gtk_widget_show_all(button);
1607         g_signal_connect(G_OBJECT(button), "button_release_event",
1608                          G_CALLBACK(icon_clicked_cb), mimeview);
1609         g_signal_connect(G_OBJECT(button), "key_press_event",
1610                          G_CALLBACK(icon_key_pressed), mimeview);
1611         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
1612
1613 }
1614
1615 static void icon_list_clear (MimeView *mimeview)
1616 {
1617         GList     *child;
1618         GtkAdjustment *adj;
1619
1620         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1621         for (; child != NULL; child = g_list_next(child)) {
1622                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
1623                                        GTK_WIDGET(child->data));
1624         }
1625         mimeview->icon_count = 0;
1626         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1627         adj->value = adj->lower;
1628 }
1629
1630 static void icon_list_toggle_by_mime_info(MimeView      *mimeview,
1631                                           MimeInfo      *mimeinfo)
1632 {
1633         GList *child;
1634
1635         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1636         for (; child != NULL; child = g_list_next(child)) {
1637                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1638                     g_object_get_data(G_OBJECT(child->data),
1639                                       "partinfo") == (gpointer)mimeinfo) {
1640                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1641                         gtk_toggle_button_set_active
1642                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1643                 }
1644         }
1645 }
1646
1647 /*!
1648  *\brief        Used to 'click' the next or previous icon.
1649  *
1650  *\return       true if the icon 'number' exists and was selected.
1651  */
1652 static gboolean icon_list_select_by_number(MimeView     *mimeview,
1653                                            gint          number)
1654 {
1655         GList *child;
1656
1657         if (number == 0) return FALSE;
1658         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1659         for (; child != NULL; child = g_list_next(child)) {
1660                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1661                     GPOINTER_TO_INT(g_object_get_data(G_OBJECT(child->data),
1662                                         "icon_number")) == number) {
1663                         icon_selected(mimeview, number,
1664                                       (MimeInfo*)g_object_get_data(G_OBJECT(child->data),
1665                                                                    "partinfo"));
1666                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1667                         gtk_toggle_button_set_active
1668                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1669                         gtk_widget_grab_focus(GTK_WIDGET(child->data));
1670
1671                         return TRUE;
1672                 }
1673         }
1674         return FALSE;
1675 }
1676
1677 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
1678                                          GtkAllocation *size, MimeView *mimeview)
1679 {
1680         GtkAllocation *mainbox_size;
1681         GtkAllocation *vbox_size;
1682         GtkAllocation *layout_size;
1683         GtkAdjustment *adj;
1684
1685         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1686
1687         mainbox_size = &mimeview->icon_mainbox->allocation;
1688         vbox_size = &mimeview->icon_vbox->allocation;
1689         layout_size = &mimeview->icon_scroll->allocation;
1690
1691         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
1692                             GTK_LAYOUT(mimeview->icon_scroll)->width,
1693                             MAX(vbox_size->height, layout_size->height));
1694         adj->step_increment = 5;
1695 }
1696
1697 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
1698 {
1699         GtkRequisition size;
1700         gint           width;
1701         g_return_if_fail(mimeinfo != NULL);
1702
1703         while (mimeinfo != NULL) {
1704                 if (mimeinfo->type != MIMETYPE_MULTIPART)
1705                         icon_list_append_icon(mimeview, mimeinfo);
1706                 if (mimeinfo->node->children != NULL)
1707                         icon_list_create(mimeview, (MimeInfo *) mimeinfo->node->children->data);
1708                 mimeinfo = mimeinfo->node->next != NULL ? (MimeInfo *) mimeinfo->node->next->data : NULL;
1709         }
1710         gtk_widget_size_request(mimeview->icon_vbox, &size);
1711         width = size.width + 4;
1712         if (width > mimeview->icon_mainbox->requisition.width) {
1713                 gtk_widget_set_size_request(mimeview->icon_mainbox,
1714                                             width, -1);
1715         }
1716
1717 }
1718
1719 static void mime_toggle_button_cb (GtkWidget *button, MimeView *mimeview)
1720 {
1721         gtk_widget_ref(button);
1722
1723         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1724                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT,
1725                                         GTK_SHADOW_NONE);
1726                 gtk_widget_hide(mimeview->icon_mainbox);
1727                 gtk_widget_show(mimeview->ctree_mainbox);
1728                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
1729
1730                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
1731                                         button);
1732                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
1733                                    button, FALSE, FALSE, 0);
1734                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 6);
1735         } else {
1736                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT,
1737                               GTK_SHADOW_NONE);
1738                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
1739                 gtk_widget_hide(mimeview->ctree_mainbox);
1740                 gtk_widget_show(mimeview->icon_mainbox);
1741                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
1742
1743                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
1744                                         button);
1745                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
1746                                    button, FALSE, FALSE, 0);
1747                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
1748                 if (mimeview->opened)
1749                         icon_list_toggle_by_mime_info
1750                                 (mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree),
1751                                                                        mimeview->opened));
1752
1753                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 0);
1754         }
1755         gtk_widget_grab_focus(button);
1756         gtk_widget_unref(button);
1757
1758 }
1759
1760 void mimeview_update (MimeView *mimeview) {
1761         if (mimeview && mimeview->mimeinfo) {
1762                 icon_list_clear(mimeview);
1763                 icon_list_create(mimeview, mimeview->mimeinfo);
1764         }
1765 }