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 != viewer) {
 568                 if (mimeview->mimeviewer != NULL)
 569                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 570                 mimeview->mimeviewer = viewer;
 571                 mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 572         }
 573         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 574
 575         return TRUE;
 576 }
 577
 578 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 579 {
 580         TextView  *textview  = mimeview->textview;
 581
 582         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 583             (mimeview->type == type)) return;
 584
 585         switch (type) {
 586         case MIMEVIEW_TEXT:
 587                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 588                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 589                         GTK_WIDGET_PTR(textview)));
 590                 break;
 591         case MIMEVIEW_VIEWER:
 592                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 593                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 594                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 595                 break;
 596         default:
 597                 return;
 598         }
 599
 600         mimeview->type = type;
 601 }
 602
 603 void mimeview_clear(MimeView *mimeview)
 604 {
 605         GtkCList *clist = GTK_CLIST(mimeview->ctree);
 606
 607         noticeview_hide(mimeview->siginfoview);
 608
 609         gtk_clist_clear(clist);
 610         textview_clear(mimeview->textview);
 611         if (mimeview->mimeviewer != NULL)
 612                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 613
 614         if (mimeview->mimeinfo != NULL)
 615                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 616         mimeview->mimeinfo = NULL;
 617
 618         mimeview->opened = NULL;
 619
 620         g_free(mimeview->file);
 621         mimeview->file = NULL;
 622
 623         icon_list_clear(mimeview);
 624 }
 625
 626 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
 627 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
 628
 629 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo)
 630 {
 631         gchar *text = NULL, *button_text = NULL;
 632         void  *func = NULL;
 633         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 634
 635         g_return_if_fail(mimeview != NULL);
 636         g_return_if_fail(mimeinfo != NULL);
 637
 638         switch (privacy_mimeinfo_get_sig_status(mimeinfo)) {
 639         case SIGNATURE_UNCHECKED:
 640                 button_text = _("Check");
 641                 func = check_signature_cb;
 642                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 643                 break;
 644         case SIGNATURE_OK:
 645                 button_text = _("Full info");
 646                 func = display_full_info_cb;
 647                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
 648                 break;
 649         case SIGNATURE_WARN:
 650                 button_text = _("Full info");
 651                 func = display_full_info_cb;
 652                 icon = STOCK_PIXMAP_PRIVACY_WARN;
 653                 break;
 654         case SIGNATURE_INVALID:
 655                 button_text = _("Full info");
 656                 func = display_full_info_cb;
 657                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
 658                 break;
 659         case SIGNATURE_CHECK_FAILED:
 660                 button_text = _("Check again");
 661                 func = check_signature_cb;
 662                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 663         default:
 664                 break;
 665         }
 666         text = privacy_mimeinfo_sig_info_short(mimeinfo);
 667         noticeview_set_text(mimeview->siginfoview, text);
 668         g_free(text);
 669         noticeview_set_button_text(mimeview->siginfoview, button_text);
 670         noticeview_set_button_press_callback(
 671                 mimeview->siginfoview,
 672                 G_CALLBACK(func),
 673                 (gpointer) mimeview);
 674         noticeview_set_icon(mimeview->siginfoview, icon);
 675 }
 676
 677 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
 678 {
 679         MimeView *mimeview = (MimeView *) user_data;
 680         MimeInfo *mimeinfo = mimeview->siginfo;
 681
 682         privacy_mimeinfo_check_signature(mimeinfo);
 683         update_signature_noticeview(mimeview, mimeview->siginfo);
 684         icon_list_clear(mimeview);
 685         icon_list_create(mimeview, mimeview->mimeinfo);
 686 }
 687
 688 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
 689 {
 690         MimeView *mimeview = (MimeView *) user_data;
 691         gchar *siginfo;
 692
 693         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
 694         textview_set_text(mimeview->textview, siginfo);
 695         g_free(siginfo);
 696         noticeview_set_button_text(mimeview->siginfoview, NULL);
 697 }
 698
 699 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
 700 {
 701         MimeInfo *siginfo;
 702
 703         g_return_if_fail(mimeview != NULL);
 704         g_return_if_fail(selected != NULL);
 705
 706         siginfo = selected;
 707         while (siginfo != NULL) {
 708                 if (privacy_mimeinfo_is_signed(siginfo))
 709                         break;
 710                 siginfo = procmime_mimeinfo_parent(siginfo);
 711         }
 712         mimeview->siginfo = siginfo;
 713
 714         if (siginfo == NULL) {
 715                 noticeview_hide(mimeview->siginfoview);
 716                 return;
 717         }
 718
 719         update_signature_noticeview(mimeview, siginfo);
 720         noticeview_show(mimeview->siginfoview);
 721 }
 722
 723 static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
 724                               MimeView *mimeview)
 725 {
 726         MimeInfo *partinfo;
 727
 728         if (mimeview->opened == node) return;
 729         mimeview->opened = node;
 730         gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
 731
 732         partinfo = gtk_ctree_node_get_row_data(ctree, node);
 733         if (!partinfo) return;
 734
 735         /* ungrab the mouse event */
 736         if (GTK_WIDGET_HAS_GRAB(ctree)) {
 737                 gtk_grab_remove(GTK_WIDGET(ctree));
 738                 if (gdk_pointer_is_grabbed())
 739                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
 740         }
 741
 742         mimeview->textview->default_text = FALSE;
 743
 744         update_signature_info(mimeview, partinfo);
 745
 746         if (!mimeview_show_part(mimeview, partinfo)) {
 747                 switch (partinfo->type) {
 748                 case MIMETYPE_TEXT:
 749                 case MIMETYPE_MESSAGE:
 750                 case MIMETYPE_MULTIPART:
 751                         mimeview_show_message_part(mimeview, partinfo);
 752
 753                         break;
 754                 default:
 755                         mimeview->textview->default_text = TRUE;
 756                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 757                         textview_show_mime_part(mimeview->textview, partinfo);
 758                         break;
 759                 }
 760         }
 761 }
 762
 763 static void mimeview_start_drag(GtkWidget *widget, gint button,
 764                                 GdkEvent *event, MimeView *mimeview)
 765 {
 766         GdkDragContext *context;
 767         MimeInfo *partinfo;
 768
 769         g_return_if_fail(mimeview != NULL);
 770
 771         partinfo = mimeview_get_selected_part(mimeview);
 772         if (partinfo->disposition == DISPOSITIONTYPE_INLINE) return;
 773
 774         context = gtk_drag_begin(widget, mimeview->target_list,
 775                                  GDK_ACTION_COPY, button, event);
 776         gtk_drag_set_icon_default(context);
 777 }
 778
 779 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
 780                                     MimeView *mimeview)
 781 {
 782         GtkCList *clist = GTK_CLIST(widget);
 783         gint row, column;
 784
 785         if (!event) return FALSE;
 786
 787         if (event->button == 2 || event->button == 3) {
 788                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
 789                                                   &row, &column))
 790                         return FALSE;
 791                 gtk_clist_unselect_all(clist);
 792                 gtk_clist_select_row(clist, row, column);
 793                 gtkut_clist_set_focus_row(clist, row);
 794         }
 795         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
 796
 797         return FALSE;
 798 }
 799
 800 /* from gdkevents.c */
 801 #define DOUBLE_CLICK_TIME 250
 802
 803 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
 804                                     MimeInfo *partinfo)
 805 {
 806         static MimeInfo *lastinfo;
 807         static guint32 lasttime;
 808
 809         if (event->button == 2 ||
 810             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
 811                 /* call external program for image, audio or html */
 812                 mimeview_launch(mimeview);
 813                 return TRUE;
 814         } else if (event->button == 3) {
 815                 if (partinfo && (partinfo->type == MIMETYPE_TEXT ||
 816                                  partinfo->type == MIMETYPE_MESSAGE ||
 817                                  partinfo->type == MIMETYPE_IMAGE ||
 818                                  partinfo->type == MIMETYPE_MULTIPART))
 819                         menu_set_sensitive(mimeview->popupfactory,
 820                                            "/Display as text", FALSE);
 821                 else
 822                         menu_set_sensitive(mimeview->popupfactory,
 823                                            "/Display as text", TRUE);
 824                 if (partinfo &&
 825                     partinfo->type == MIMETYPE_APPLICATION &&
 826                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
 827                         menu_set_sensitive(mimeview->popupfactory,
 828                                            "/Open", FALSE);
 829                 else
 830                         menu_set_sensitive(mimeview->popupfactory,
 831                                            "/Open", TRUE);
 832
 833                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
 834                                   "pop_partinfo", partinfo);
 835
 836                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
 837                                NULL, NULL, NULL, NULL,
 838                                event->button, event->time);
 839                 return TRUE;
 840         }
 841
 842         lastinfo = partinfo;
 843         lasttime = event->time;
 844         return FALSE;
 845 }
 846
 847
 848 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
 849 {
 850         mimeview_key_pressed(mimeview->ctree, event, mimeview);
 851 }
 852
 853 #define BREAK_ON_MODIFIER_KEY() \
 854         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
 855
 856 #define KEY_PRESS_EVENT_STOP() \
 857         g_signal_stop_emission_by_name(G_OBJECT(ctree), \
 858                                        "key_press_event");
 859
 860 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
 861                                  MimeView *mimeview)
 862 {
 863         SummaryView *summaryview;
 864         GtkCTree *ctree = GTK_CTREE(widget);
 865         GtkCTreeNode *node;
 866
 867         if (!event) return FALSE;
 868         if (!mimeview->opened) return FALSE;
 869
 870         summaryview = mimeview->messageview->mainwin->summaryview;
 871
 872         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
 873                 return FALSE;
 874
 875         switch (event->keyval) {
 876         case GDK_space:
 877                 if (textview_scroll_page(mimeview->textview, FALSE))
 878                         return TRUE;
 879
 880                 node = GTK_CTREE_NODE_NEXT(mimeview->opened);
 881                 if (node) {
 882                         gtk_sctree_unselect_all(GTK_SCTREE(ctree));
 883                         gtk_sctree_select(GTK_SCTREE(ctree), node);
 884                         return TRUE;
 885                 }
 886                 break;
 887         case GDK_BackSpace:
 888                 textview_scroll_page(mimeview->textview, TRUE);
 889                 return TRUE;
 890         case GDK_Return:
 891                 textview_scroll_one_line(mimeview->textview,
 892                                          (event->state & GDK_MOD1_MASK) != 0);
 893                 return TRUE;
 894         case GDK_n:
 895         case GDK_N:
 896                 BREAK_ON_MODIFIER_KEY();
 897                 if (!GTK_CTREE_NODE_NEXT(mimeview->opened)) break;
 898                 KEY_PRESS_EVENT_STOP();
 899                 g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical",
 900                                         GTK_SCROLL_STEP_FORWARD, 0.0);
 901                 return TRUE;
 902         case GDK_p:
 903         case GDK_P:
 904                 BREAK_ON_MODIFIER_KEY();
 905                 if (!GTK_CTREE_NODE_PREV(mimeview->opened)) break;
 906                 KEY_PRESS_EVENT_STOP();
 907                 g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical",
 908                                         GTK_SCROLL_STEP_BACKWARD, 0.0);
 909                 return TRUE;
 910         case GDK_y:
 911                 BREAK_ON_MODIFIER_KEY();
 912                 KEY_PRESS_EVENT_STOP();
 913                 mimeview_save_as(mimeview);
 914                 return TRUE;
 915         case GDK_t:
 916                 BREAK_ON_MODIFIER_KEY();
 917                 KEY_PRESS_EVENT_STOP();
 918                 mimeview_display_as_text(mimeview);
 919                 return TRUE;
 920         case GDK_l:
 921                 BREAK_ON_MODIFIER_KEY();
 922                 KEY_PRESS_EVENT_STOP();
 923                 mimeview_launch(mimeview);
 924                 return TRUE;
 925         case GDK_o:
 926                 BREAK_ON_MODIFIER_KEY();
 927                 KEY_PRESS_EVENT_STOP();
 928                 mimeview_open_with(mimeview);
 929                 return TRUE;
 930         default:
 931                 break;
 932         }
 933
 934         if (!mimeview->messageview->mainwin) return FALSE;
 935
 936         summary_pass_key_press_event(summaryview, event);
 937         return TRUE;
 938 }
 939
 940 static void mimeview_drag_data_get(GtkWidget        *widget,
 941                                    GdkDragContext   *drag_context,
 942                                    GtkSelectionData *selection_data,
 943                                    guint             info,
 944                                    guint             time,
 945                                    MimeView         *mimeview)
 946 {
 947         gchar *filename, *uriname, *tmp;
 948         MimeInfo *partinfo;
 949
 950         if (!mimeview->opened) return;
 951         if (!mimeview->file) return;
 952
 953         partinfo = mimeview_get_selected_part(mimeview);
 954         if (!partinfo) return;
 955
 956         filename = g_path_get_basename(get_part_name(partinfo));
 957         if (*filename == '\0') return;
 958
 959         tmp = filename;
 960
 961         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
 962                                filename, NULL);
 963
 964         g_free(tmp);
 965
 966         if (procmime_get_part(filename, partinfo) < 0)
 967                 alertpanel_error
 968                         (_("Can't save the part of multipart message."));
 969
 970         uriname = g_strconcat("file://", filename, NULL);
 971         gtk_selection_data_set(selection_data, selection_data->target, 8,
 972                                uriname, strlen(uriname));
 973
 974         g_free(uriname);
 975         g_free(filename);
 976 }
 977
 978 /**
 979  * Returns a filename (with path) for an attachment
 980  * \param partinfo The attachment to save
 981  * \param basedir The target directory
 982  * \param number Used for dummy filename if attachment is unnamed
 983  */
 984 gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
 985                                       const gchar *basedir,
 986                                       gint number)
 987 {
 988         gchar *fullname;
 989         gchar *filename;
 990
 991         filename = g_strdup(get_part_name(partinfo));
 992         if (!filename || !*filename)
 993                 filename = g_strdup_printf("noname.%d", number);
 994
 995         if (!g_utf8_validate(filename, -1, NULL)) {
 996                 gchar *tmp = conv_filename_to_utf8(filename);
 997                 g_free(filename);
 998                 filename = tmp;
 999         }
1000
1001         subst_for_filename(filename);
1002
1003         fullname = g_strconcat
1004                 (basedir, G_DIR_SEPARATOR_S, (filename[0] == G_DIR_SEPARATOR)
1005                  ? &filename[1] : filename, NULL);
1006
1007         g_free(filename);
1008         return fullname;
1009 }
1010
1011 /**
1012  * Write a single attachment to file
1013  * \param filename Filename with path
1014  * \param partinfo Attachment to save
1015  */
1016 static gboolean mimeview_write_part(const gchar *filename,
1017                                     MimeInfo *partinfo)
1018 {
1019         gchar *dir;
1020
1021         dir= g_path_get_dirname(filename);
1022         if (!is_dir_exist(dir))
1023                 make_dir_hier(dir);
1024         g_free(dir);
1025
1026         if (is_file_exist(filename)) {
1027                 AlertValue aval;
1028                 gchar *res;
1029
1030                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1031                                       filename);
1032                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_OK,
1033                                   GTK_STOCK_CANCEL, NULL);
1034                 g_free(res);
1035                 if (G_ALERTDEFAULT != aval) return FALSE;
1036         }
1037
1038         if (procmime_get_part(filename, partinfo) < 0) {
1039                 alertpanel_error
1040                         (_("Can't save the part of multipart message."));
1041                 return FALSE;
1042         }
1043
1044         return TRUE;
1045 }
1046
1047 /**
1048  * Menu callback: Save all attached files
1049  * \param mimeview Current display
1050  */
1051 static void mimeview_save_all(MimeView *mimeview)
1052 {
1053         MimeInfo *partinfo;
1054         gchar *dirname;
1055         gchar *startdir = NULL;
1056         gint number = 1;
1057
1058         if (!mimeview->opened) return;
1059         if (!mimeview->file) return;
1060         if (!mimeview->mimeinfo) return;
1061
1062         partinfo = mimeview->mimeinfo;
1063         if (prefs_common.attach_save_dir)
1064                 startdir = g_strconcat(prefs_common.attach_save_dir,
1065                                        G_DIR_SEPARATOR_S, NULL);
1066
1067         dirname = filesel_select_file_open_folder(_("Select destination folder"), startdir);
1068         if (!dirname) {
1069                 if (startdir) g_free(startdir);
1070                 return;
1071         }
1072
1073         if (!is_dir_exist (dirname)) {
1074                 alertpanel_error(_("`%s' is not a directory."),
1075                                  dirname);
1076                 if (startdir) g_free(startdir);
1077                 return;
1078         }
1079
1080         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1081                 dirname[strlen(dirname)-1] = '\0';
1082
1083         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1084         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1085                 partinfo = procmime_mimeinfo_next(partinfo);
1086         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1087                 partinfo = procmime_mimeinfo_next(partinfo);
1088                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1089                         partinfo = procmime_mimeinfo_next(partinfo);
1090         }
1091
1092         while (partinfo != NULL) {
1093                 if (partinfo->type != MIMETYPE_MESSAGE &&
1094                     partinfo->type != MIMETYPE_MULTIPART &&
1095                     partinfo->disposition != DISPOSITIONTYPE_INLINE) {
1096                         gchar *filename = mimeview_get_filename_for_part
1097                                 (partinfo, dirname, number++);
1098
1099                         mimeview_write_part(filename, partinfo);
1100                         g_free(filename);
1101                 }
1102                 partinfo = procmime_mimeinfo_next(partinfo);
1103         }
1104
1105         if (prefs_common.attach_save_dir)
1106                 g_free(prefs_common.attach_save_dir);
1107
1108         prefs_common.attach_save_dir = g_strdup(dirname);
1109
1110         if (startdir) g_free(startdir);
1111 }
1112
1113 /**
1114  * Menu callback: Save the selected attachment
1115  * \param mimeview Current display
1116  */
1117 static void mimeview_save_as(MimeView *mimeview)
1118 {
1119         gchar *filename;
1120         gchar *filepath = NULL;
1121         gchar *filedir = NULL;
1122         MimeInfo *partinfo;
1123         gchar *partname = NULL;
1124
1125         if (!mimeview->opened) return;
1126         if (!mimeview->file) return;
1127
1128         partinfo = mimeview_get_selected_part(mimeview);
1129         if (!partinfo) {
1130                 partinfo = (MimeInfo *) g_object_get_data
1131                          (G_OBJECT(mimeview->popupmenu),
1132                          "pop_partinfo");
1133                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1134                                   "pop_partinfo", NULL);
1135         }
1136         g_return_if_fail(partinfo != NULL);
1137
1138         if (get_part_name(partinfo) == NULL) {
1139                 return;
1140         }
1141         partname = g_strdup(get_part_name(partinfo));
1142
1143         if (!g_utf8_validate(partname, -1, NULL)) {
1144                 gchar *tmp = conv_filename_to_utf8(partname);
1145                 g_free(partname);
1146                 partname = tmp;
1147         }
1148
1149         subst_for_filename(partname);
1150
1151         if (prefs_common.attach_save_dir)
1152                 filepath = g_strconcat(prefs_common.attach_save_dir,
1153                                        G_DIR_SEPARATOR_S, partname, NULL);
1154         else
1155                 filepath = g_strdup(partname);
1156
1157         g_free(partname);
1158
1159         filename = filesel_select_file_save(_("Save as"), filepath);
1160         if (!filename) {
1161                 g_free(filepath);
1162                 return;
1163         }
1164
1165         mimeview_write_part(filename, partinfo);
1166
1167         filedir = g_path_get_dirname(filename);
1168         if (filedir && strcmp(filedir, ".")) {
1169                 if (prefs_common.attach_save_dir)
1170                         g_free(prefs_common.attach_save_dir);
1171                 prefs_common.attach_save_dir = g_strdup(filedir);
1172         }
1173
1174         g_free(filedir);
1175         g_free(filepath);
1176 }
1177
1178 static void mimeview_display_as_text(MimeView *mimeview)
1179 {
1180         MimeInfo *partinfo;
1181
1182         if (!mimeview->opened) return;
1183
1184         partinfo = mimeview_get_selected_part(mimeview);
1185         if (!partinfo)  {
1186                 partinfo = (MimeInfo *) g_object_get_data
1187                         (G_OBJECT(mimeview->popupmenu),
1188                          "pop_partinfo");
1189                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1190                                   "pop_partinfo", NULL);
1191
1192         }
1193         g_return_if_fail(partinfo != NULL);
1194         mimeview_show_message_part(mimeview, partinfo);
1195 }
1196
1197 static void mimeview_launch(MimeView *mimeview)
1198 {
1199         MimeInfo *partinfo;
1200         gchar *filename;
1201
1202         if (!mimeview->opened) return;
1203         if (!mimeview->file) return;
1204
1205         partinfo = mimeview_get_selected_part(mimeview);
1206         if (!partinfo) {
1207                 partinfo = (MimeInfo *) g_object_get_data
1208                         (G_OBJECT(mimeview->popupmenu),
1209                          "pop_partinfo");
1210                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1211                                   "pop_partinfo", NULL);
1212         }
1213         g_return_if_fail(partinfo != NULL);
1214
1215         filename = procmime_get_tmp_file_name(partinfo);
1216
1217         if (procmime_get_part(filename, partinfo) < 0)
1218                 alertpanel_error
1219                         (_("Can't save the part of multipart message."));
1220         else
1221                 mimeview_view_file(filename, partinfo, NULL);
1222
1223         g_free(filename);
1224 }
1225
1226 static void mimeview_open_with(MimeView *mimeview)
1227 {
1228         MimeInfo *partinfo;
1229         gchar *filename;
1230         gchar *cmd;
1231
1232         if (!mimeview->opened) return;
1233         if (!mimeview->file) return;
1234
1235         partinfo = mimeview_get_selected_part(mimeview);
1236         if (!partinfo) {
1237                 partinfo = (MimeInfo *) g_object_get_data
1238                         (G_OBJECT(mimeview->popupmenu),
1239                          "pop_partinfo");
1240                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1241                                   "pop_partinfo", NULL);
1242         }
1243         g_return_if_fail(partinfo != NULL);
1244
1245         filename = procmime_get_tmp_file_name(partinfo);
1246
1247         if (procmime_get_part(filename, partinfo) < 0) {
1248                 alertpanel_error
1249                         (_("Can't save the part of multipart message."));
1250                 g_free(filename);
1251                 return;
1252         }
1253
1254         if (!prefs_common.mime_open_cmd_history)
1255                 prefs_common.mime_open_cmd_history =
1256                         add_history(NULL, prefs_common.mime_open_cmd);
1257
1258         cmd = input_dialog_combo
1259                 (_("Open with"),
1260                  _("Enter the command line to open file:\n"
1261                    "(`%s' will be replaced with file name)"),
1262                  prefs_common.mime_open_cmd,
1263                  prefs_common.mime_open_cmd_history,
1264                  TRUE);
1265         if (cmd) {
1266                 mimeview_view_file(filename, partinfo, cmd);
1267                 g_free(prefs_common.mime_open_cmd);
1268                 prefs_common.mime_open_cmd = cmd;
1269                 prefs_common.mime_open_cmd_history =
1270                         add_history(prefs_common.mime_open_cmd_history, cmd);
1271         }
1272
1273         g_free(filename);
1274 }
1275
1276 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1277                                const gchar *cmdline)
1278 {
1279         static gchar *default_image_cmdline = "display '%s'";
1280         static gchar *default_audio_cmdline = "play '%s'";
1281         static gchar *default_html_cmdline = DEFAULT_BROWSER_CMD;
1282         static gchar *mime_cmdline = "metamail -d -b -x -c %s '%s'";
1283         gchar buf[1024];
1284         gchar m_buf[1024];
1285         const gchar *cmd;
1286         const gchar *def_cmd;
1287         const gchar *p;
1288
1289         if (cmdline) {
1290                 cmd = cmdline;
1291                 def_cmd = NULL;
1292         } else if (MIMETYPE_APPLICATION == partinfo->type &&
1293                    !g_ascii_strcasecmp(partinfo->subtype, "octet-stream")) {
1294                 return;
1295         } else if (MIMETYPE_IMAGE == partinfo->type) {
1296                 cmd = prefs_common.mime_image_viewer;
1297                 def_cmd = default_image_cmdline;
1298         } else if (MIMETYPE_AUDIO == partinfo->type) {
1299                 cmd = prefs_common.mime_audio_player;
1300                 def_cmd = default_audio_cmdline;
1301         } else if (MIMETYPE_TEXT == partinfo->type && !strcmp(partinfo->subtype, "html")) {
1302                 cmd = prefs_common.uri_cmd;
1303                 def_cmd = default_html_cmdline;
1304         } else {
1305                 gchar *content_type;
1306
1307                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
1308                 g_snprintf(m_buf, sizeof(m_buf), mime_cmdline,
1309                            content_type, "%s");
1310                 g_free(content_type);
1311                 cmd = m_buf;
1312                 def_cmd = NULL;
1313         }
1314
1315         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
1316             !strchr(p + 2, '%'))
1317                 g_snprintf(buf, sizeof(buf), cmd, filename);
1318         else {
1319                 if (cmd)
1320                         g_warning("MIME viewer command line is invalid: `%s'", cmd);
1321                 if (def_cmd)
1322                         g_snprintf(buf, sizeof(buf), def_cmd, filename);
1323                 else
1324                         return;
1325         }
1326
1327         execute_command_line(buf, TRUE);
1328 }
1329
1330 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
1331 {
1332         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
1333 }
1334
1335 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
1336 {
1337         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
1338 }
1339
1340 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
1341 {
1342         GSList *mimeview_list, *viewer_list;
1343
1344         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
1345                 MimeView *mimeview = (MimeView *) mimeview_list->data;
1346
1347                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
1348                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1349                         mimeview->mimeviewer = NULL;
1350                 }
1351
1352                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
1353                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
1354
1355                         mimeviewer->destroy_viewer(mimeviewer);
1356                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
1357                 }
1358         }
1359
1360         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
1361 }
1362
1363 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
1364 {
1365         gint      num;
1366         MimeInfo *partinfo;
1367
1368         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1369         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1370
1371         icon_selected(mimeview, num, partinfo);
1372         gtk_widget_grab_focus(button);
1373         if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1374                 toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1375                 if (event->button == 2 || event->button == 3)
1376                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button),
1377                                                      TRUE);
1378         }
1379
1380         part_button_pressed(mimeview, event, partinfo);
1381
1382         return FALSE;
1383 }
1384
1385 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
1386 {
1387         GtkCTreeNode *node;
1388         node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
1389         if (node)
1390                 gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
1391 }
1392
1393 #undef  KEY_PRESS_EVENT_STOP
1394 #define KEY_PRESS_EVENT_STOP() \
1395         g_signal_stop_emission_by_name(G_OBJECT(button), \
1396                                        "key_press_event");
1397
1398 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
1399                              MimeView *mimeview)
1400 {
1401         gint          num;
1402         MimeInfo     *partinfo;
1403         SummaryView  *summaryview;
1404         TextView     *textview;
1405
1406         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1407         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1408
1409         if (!event) return FALSE;
1410
1411         textview = mimeview->textview;
1412
1413         switch (event->keyval) {
1414         case GDK_space:
1415                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1416                         /* stop the button being untoggled */
1417                         KEY_PRESS_EVENT_STOP();
1418                         if (textview_scroll_page(textview, FALSE))
1419                                 return TRUE;
1420
1421                         if (icon_list_select_by_number(mimeview, num + 1))
1422                                 return TRUE;
1423                 } else {
1424                         icon_selected(mimeview, num, partinfo);
1425                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1426                         return TRUE;
1427                 }
1428
1429                 break;
1430         case GDK_BackSpace:
1431                 textview_scroll_page(textview, TRUE);
1432                 return TRUE;
1433         case GDK_Return:
1434                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1435                         KEY_PRESS_EVENT_STOP();
1436                         textview_scroll_one_line(textview,
1437                                                  (event->state & GDK_MOD1_MASK) != 0);
1438                         return TRUE;
1439                 } else {
1440                         icon_selected(mimeview, num, partinfo);
1441                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1442                         return TRUE;
1443                 }
1444
1445         case GDK_n:
1446         case GDK_N:
1447                 BREAK_ON_MODIFIER_KEY();
1448                 if (icon_list_select_by_number(mimeview, num + 1)) {
1449                         KEY_PRESS_EVENT_STOP();
1450                         return TRUE;
1451                 }
1452                 break;
1453
1454         case GDK_p:
1455         case GDK_P:
1456                 BREAK_ON_MODIFIER_KEY();
1457                 if (icon_list_select_by_number(mimeview, num - 1)) {
1458                         KEY_PRESS_EVENT_STOP();
1459                         return TRUE;
1460                 }
1461                 break;
1462
1463         case GDK_y:
1464                 BREAK_ON_MODIFIER_KEY();
1465                 KEY_PRESS_EVENT_STOP();
1466                 mimeview_save_as(mimeview);
1467                 return TRUE;
1468         case GDK_t:
1469                 BREAK_ON_MODIFIER_KEY();
1470                 KEY_PRESS_EVENT_STOP();
1471                 mimeview_display_as_text(mimeview);
1472                 return TRUE;
1473         case GDK_l:
1474                 BREAK_ON_MODIFIER_KEY();
1475                 KEY_PRESS_EVENT_STOP();
1476                 mimeview_launch(mimeview);
1477                 return TRUE;
1478         case GDK_o:
1479                 BREAK_ON_MODIFIER_KEY();
1480                 KEY_PRESS_EVENT_STOP();
1481                 mimeview_open_with(mimeview);
1482                 return TRUE;
1483         default:
1484                 break;
1485         }
1486
1487         if (!mimeview->messageview->mainwin) return FALSE;
1488         summaryview = mimeview->messageview->mainwin->summaryview;
1489         summary_pass_key_press_event(summaryview, event);
1490         return TRUE;
1491 }
1492
1493 static void toggle_icon(GtkToggleButton *button, MimeView *mimeview)
1494 {
1495         GList *child;
1496
1497         child = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
1498         for (; child != NULL; child = g_list_next(child)) {
1499                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1500                     GTK_TOGGLE_BUTTON(child->data) != button &&
1501                     gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(child->data)))
1502                         gtk_toggle_button_set_active
1503                                 (GTK_TOGGLE_BUTTON(child->data),
1504                                  FALSE);
1505         }
1506 }
1507
1508 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
1509 {
1510         GtkWidget *pixmap;
1511         GtkWidget *vbox;
1512         GtkWidget *button;
1513         gchar *tip;
1514         gchar *tiptmp;
1515         const gchar *desc = NULL;
1516         gchar *sigshort = NULL;
1517         gchar *content_type;
1518         StockPixmap stockp;
1519         MimeInfo *partinfo;
1520         MimeInfo *siginfo = NULL;
1521         MimeInfo *encrypted = NULL;
1522
1523         vbox = mimeview->icon_vbox;
1524         mimeview->icon_count++;
1525         button = gtk_toggle_button_new();
1526         gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
1527         g_object_set_data(G_OBJECT(button), "icon_number",
1528                           GINT_TO_POINTER(mimeview->icon_count));
1529         g_object_set_data(G_OBJECT(button), "partinfo",
1530                           mimeinfo);
1531
1532         switch (mimeinfo->type) {
1533
1534         case MIMETYPE_TEXT:
1535                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
1536                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
1537                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
1538                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
1539                 else
1540                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
1541                 break;
1542         case MIMETYPE_MESSAGE:
1543                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
1544                 break;
1545         case MIMETYPE_APPLICATION:
1546                 stockp = STOCK_PIXMAP_MIME_APPLICATION;
1547                 break;
1548         case MIMETYPE_IMAGE:
1549                 stockp = STOCK_PIXMAP_MIME_IMAGE;
1550                 break;
1551         case MIMETYPE_AUDIO:
1552                 stockp = STOCK_PIXMAP_MIME_AUDIO;
1553                 break;
1554         default:
1555                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
1556                 break;
1557         }
1558
1559         partinfo = mimeinfo;
1560         while (partinfo != NULL) {
1561                 if (privacy_mimeinfo_is_signed(partinfo)) {
1562                         siginfo = partinfo;
1563                         break;
1564                 }
1565                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
1566                         encrypted = partinfo;
1567                         break;
1568                 }
1569                 partinfo = procmime_mimeinfo_parent(partinfo);
1570         }
1571
1572         if (siginfo != NULL) {
1573                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
1574                 case SIGNATURE_UNCHECKED:
1575                 case SIGNATURE_CHECK_FAILED:
1576                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1577                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1578                         break;
1579                 case SIGNATURE_OK:
1580                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1581                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1582                         break;
1583                 case SIGNATURE_WARN:
1584                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1585                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
1586                         break;
1587                 case SIGNATURE_INVALID:
1588                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1589                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1590                         break;
1591                 }
1592                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
1593         } else if (encrypted != NULL) {
1594                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1595                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1596         } else {
1597                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
1598                                                           OVERLAY_NONE, 6, 3);
1599         }
1600         gtk_container_add(GTK_CONTAINER(button), pixmap);
1601
1602         if (!desc) {
1603                 if (prefs_common.attach_desc)
1604                         desc = get_part_description(mimeinfo);
1605                 else
1606                         desc = get_part_name(mimeinfo);
1607         }
1608
1609         content_type = procmime_get_content_type_str(mimeinfo->type,
1610                                                      mimeinfo->subtype);
1611
1612         tip = g_strjoin("\n", content_type,
1613                         to_human_readable(mimeinfo->length), NULL);
1614         g_free(content_type);
1615         if (desc && *desc) {
1616                 gchar *tmp = NULL;
1617                 if (!g_utf8_validate(desc, -1, NULL)) {
1618                         tmp = conv_filename_to_utf8(desc);
1619                 } else {
1620                         tmp = g_strdup(desc);
1621                 }
1622                 tiptmp = g_strjoin("\n", tmp, tip, NULL);
1623                 g_free(tip);
1624                 tip = tiptmp;
1625                 g_free(tmp);
1626         }
1627         if (sigshort && *sigshort) {
1628                 tiptmp = g_strjoin("\n", tip, sigshort, NULL);
1629                 g_free(tip);
1630                 tip = tiptmp;
1631         }
1632         g_free(sigshort);
1633
1634         gtk_tooltips_set_tip(mimeview->tooltips, button, tip, NULL);
1635         g_free(tip);
1636         gtk_widget_show_all(button);
1637         g_signal_connect(G_OBJECT(button), "button_release_event",
1638                          G_CALLBACK(icon_clicked_cb), mimeview);
1639         g_signal_connect(G_OBJECT(button), "key_press_event",
1640                          G_CALLBACK(icon_key_pressed), mimeview);
1641         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
1642
1643 }
1644
1645 static void icon_list_clear (MimeView *mimeview)
1646 {
1647         GList     *child;
1648         GtkAdjustment *adj;
1649
1650         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1651         for (; child != NULL; child = g_list_next(child)) {
1652                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
1653                                        GTK_WIDGET(child->data));
1654         }
1655         mimeview->icon_count = 0;
1656         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1657         gtk_adjustment_set_value(adj, adj->lower);
1658 }
1659
1660 static void icon_list_toggle_by_mime_info(MimeView      *mimeview,
1661                                           MimeInfo      *mimeinfo)
1662 {
1663         GList *child;
1664
1665         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1666         for (; child != NULL; child = g_list_next(child)) {
1667                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1668                     g_object_get_data(G_OBJECT(child->data),
1669                                       "partinfo") == (gpointer)mimeinfo) {
1670                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1671                         gtk_toggle_button_set_active
1672                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1673                 }
1674         }
1675 }
1676
1677 /*!
1678  *\brief        Used to 'click' the next or previous icon.
1679  *
1680  *\return       true if the icon 'number' exists and was selected.
1681  */
1682 static gboolean icon_list_select_by_number(MimeView     *mimeview,
1683                                            gint          number)
1684 {
1685         GList *child;
1686
1687         if (number == 0) return FALSE;
1688         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1689         for (; child != NULL; child = g_list_next(child)) {
1690                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1691                     GPOINTER_TO_INT(g_object_get_data(G_OBJECT(child->data),
1692                                         "icon_number")) == number) {
1693                         icon_selected(mimeview, number,
1694                                       (MimeInfo*)g_object_get_data(G_OBJECT(child->data),
1695                                                                    "partinfo"));
1696                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1697                         gtk_toggle_button_set_active
1698                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1699                         gtk_widget_grab_focus(GTK_WIDGET(child->data));
1700
1701                         return TRUE;
1702                 }
1703         }
1704         return FALSE;
1705 }
1706
1707 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
1708                                          GtkAllocation *size, MimeView *mimeview)
1709 {
1710         GtkAllocation *mainbox_size;
1711         GtkAllocation *vbox_size;
1712         GtkAllocation *layout_size;
1713         GtkAdjustment *adj;
1714
1715         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1716
1717         mainbox_size = &mimeview->icon_mainbox->allocation;
1718         vbox_size = &mimeview->icon_vbox->allocation;
1719         layout_size = &mimeview->icon_scroll->allocation;
1720
1721         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
1722                             GTK_LAYOUT(mimeview->icon_scroll)->width,
1723                             MAX(vbox_size->height, layout_size->height));
1724         adj->step_increment = 5;
1725 }
1726
1727 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
1728 {
1729         GtkRequisition size;
1730
1731         g_return_if_fail(mimeinfo != NULL);
1732
1733         while (mimeinfo != NULL) {
1734                 if (mimeinfo->type != MIMETYPE_MULTIPART)
1735                         icon_list_append_icon(mimeview, mimeinfo);
1736                 if (mimeinfo->node->children != NULL)
1737                         icon_list_create(mimeview,
1738                                 (MimeInfo *) mimeinfo->node->children->data);
1739                 mimeinfo = mimeinfo->node->next != NULL
1740                          ? (MimeInfo *) mimeinfo->node->next->data
1741                          : NULL;
1742         }
1743         gtk_widget_size_request(mimeview->icon_vbox, &size);
1744         if (size.width > mimeview->icon_mainbox->requisition.width) {
1745                 gtk_widget_set_size_request(mimeview->icon_mainbox,
1746                                             size.width, -1);
1747         }
1748
1749 }
1750
1751 static void mime_toggle_button_cb (GtkWidget *button, MimeView *mimeview)
1752 {
1753         gtk_widget_ref(button);
1754
1755         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1756                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT,
1757                                         GTK_SHADOW_NONE);
1758                 gtk_widget_hide(mimeview->icon_mainbox);
1759                 gtk_widget_show(mimeview->ctree_mainbox);
1760                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
1761
1762                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
1763                                         button);
1764                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
1765                                    button, FALSE, FALSE, 0);
1766                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 6);
1767         } else {
1768                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT,
1769                               GTK_SHADOW_NONE);
1770                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
1771                 gtk_widget_hide(mimeview->ctree_mainbox);
1772                 gtk_widget_show(mimeview->icon_mainbox);
1773                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
1774
1775                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
1776                                         button);
1777                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
1778                                    button, FALSE, FALSE, 0);
1779                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
1780                 if (mimeview->opened)
1781                         icon_list_toggle_by_mime_info
1782                                 (mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree),
1783                                                                        mimeview->opened));
1784
1785                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 0);
1786         }
1787         gtk_widget_grab_focus(button);
1788         gtk_widget_unref(button);
1789
1790 }
1791
1792 void mimeview_update (MimeView *mimeview) {
1793         if (mimeview && mimeview->mimeinfo) {
1794                 icon_list_clear(mimeview);
1795                 icon_list_create(mimeview, mimeview->mimeinfo);
1796         }
1797 }