ROX-Filer/src/usericons.c

   1 /*
   2  * $Id$
   3  *
   4  * ROX-Filer, filer for the ROX desktop project
   5  * Copyright (C) 2002, the ROX-Filer team.
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the Free
   9  * Software Foundation; either version 2 of the License, or (at your option)
  10  * any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  * more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along with
  18  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  19  * Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 /* usericons.c - handle user-defined icons. Diego Zamboni, Feb 7, 2001. */
  23
  24 #include "config.h"
  25
  26 #include <gtk/gtk.h>
  27 #include <errno.h>
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <unistd.h>
  31 #include <fnmatch.h>
  32 #include <libxml/parser.h>
  33 #include <time.h>
  34
  35 #include "global.h"
  36
  37 #include "fscache.h"
  38 #include "diritem.h"
  39 #include "dir.h"
  40 #include "gui_support.h"
  41 #include "choices.h"
  42 #include "pixmaps.h"
  43 #include "type.h"
  44 #include "run.h"
  45 #include "dnd.h"
  46 #include "support.h"
  47 #include "usericons.h"
  48 #include "main.h"
  49 #include "menu.h"
  50 #include "filer.h"
  51 #include "action.h"
  52 #include "display.h"
  53 #include "icon.h"
  54
  55 static GHashTable *glob_icons = NULL; /* Pathname -> Icon pathname */
  56
  57 /* Static prototypes */
  58 static const char *process_globicons_line(gchar *line);
  59 static gboolean free_globicon(gpointer key, gpointer value, gpointer data);
  60 static void get_path_set_icon(GtkWidget *dialog);
  61 static void show_icon_help(gpointer data);
  62 static void write_globicons(void);
  63 static void show_current_dirs_menu(GtkWidget *button, gpointer data);
  64 static void add_globicon(const gchar *path, const gchar *icon);
  65 static void drag_icon_dropped(GtkWidget         *frame,
  66                               GdkDragContext    *context,
  67                               gint              x,
  68                               gint              y,
  69                               GtkSelectionData  *selection_data,
  70                               guint             info,
  71                               guint32           time,
  72                               GtkWidget         *dialog);
  73 static void remove_icon(GtkWidget *dialog);
  74 static gboolean set_icon_for_type(MIME_type *type, const gchar *iconpath,
  75                                   gboolean just_media);
  76
  77 /****************************************************************
  78  *                      EXTERNAL INTERFACE                      *
  79  ****************************************************************/
  80
  81 /* Read glob-pattern -> icon mappings from "globicons" in Choices */
  82 void read_globicons()
  83 {
  84         static time_t last_read = (time_t) 0;
  85         struct stat info;
  86         guchar *path;
  87         xmlDocPtr doc;
  88
  89         if (!glob_icons)
  90                 glob_icons = g_hash_table_new(g_str_hash, g_str_equal);
  91
  92         path = choices_find_path_load("globicons", PROJECT);
  93         if (!path)
  94                 return; /* Nothing to load */
  95
  96         if (mc_stat(path, &info) == -1)
  97                 goto out;
  98
  99         if (info.st_mtime <= last_read)
 100                 goto out;  /* File hasn't been modified since we last read it */
 101
 102         g_hash_table_foreach_remove(glob_icons, free_globicon, NULL);
 103
 104         doc = xmlParseFile(path);
 105         if (doc)
 106         {
 107                 xmlNodePtr node, icon, root;
 108                 char       *match;
 109
 110                 root = xmlDocGetRootElement(doc);
 111
 112                 /* Handle the new XML file format */
 113                 for (node = root->xmlChildrenNode; node; node = node->next)
 114                 {
 115                         gchar *path, *icon_path;
 116
 117                         if (node->type != XML_ELEMENT_NODE)
 118                                 continue;
 119                         if (strcmp(node->name, "rule") != 0)
 120                                 continue;
 121                         icon = get_subnode(node, NULL, "icon");
 122                         if (!icon)
 123                                 continue;
 124                         match = xmlGetProp(node, "match");
 125                         if (!match)
 126                                 continue;
 127
 128                         icon_path = xmlNodeGetContent(icon);
 129                         path = icon_convert_path(match);
 130                         g_hash_table_insert(glob_icons, path, icon_path);
 131                         g_free(match);
 132                 }
 133
 134                 xmlFreeDoc(doc);
 135         }
 136         else
 137         {
 138                 /* Handle the old non-XML format */
 139                 parse_file(path, process_globicons_line);
 140                 if (g_hash_table_size(glob_icons))
 141                         write_globicons();      /* Upgrade to new format */
 142         }
 143
 144         last_read = time(NULL);   /* Update time stamp */
 145 out:
 146         g_free(path);
 147 }
 148
 149 /* Set an item's image field according to the globicons patterns if
 150  * it matches one of them and the file exists.
 151  */
 152 void check_globicon(const guchar *path, DirItem *item)
 153 {
 154         gchar *gi;
 155
 156         g_return_if_fail(item && !item->image);
 157
 158         gi = g_hash_table_lookup(glob_icons, path);
 159         if (gi)
 160                 item->image = g_fscache_lookup(pixmap_cache, gi);
 161 }
 162
 163 /* Add a globicon mapping for the given file to the given icon path */
 164 gboolean set_icon_path(const guchar *filepath, const guchar *iconpath)
 165 {
 166         struct stat icon;
 167         MaskedPixmap *pic;
 168
 169         /* Check if file exists */
 170         if (!mc_stat(iconpath, &icon) == 0) {
 171                 delayed_error(_("The pathname you gave does not exist. "
 172                                     "The icon has not been changed."));
 173                 return FALSE;
 174         }
 175
 176         /* Check if we can load the image, warn the user if not. */
 177         pic = g_fscache_lookup(pixmap_cache, iconpath);
 178         if (!pic)
 179         {
 180                 delayed_error(
 181                         _("Unable to load image file -- maybe it's not in a "
 182                           "format I understand, or maybe the permissions are "
 183                           "wrong?\n"
 184                           "The icon has not been changed."));
 185                 return FALSE;
 186         }
 187         g_fscache_data_unref(pixmap_cache, pic);
 188
 189         /* Add the globicon mapping and update visible icons */
 190         add_globicon(filepath, iconpath);
 191
 192         return TRUE;
 193 }
 194
 195 /* Display a dialog box allowing the user to set the icon for
 196  * a file or directory.
 197  */
 198 void icon_set_handler_dialog(DirItem *item, const guchar *path)
 199 {
 200         guchar          *tmp;
 201         GtkWidget       *dialog, *vbox, *frame, *hbox, *vbox2;
 202         GtkWidget       *entry, *label, *button, *align, *icon;
 203         GtkWidget       **radio;
 204         GtkTargetEntry  targets[] = {
 205                 {"text/uri-list", 0, TARGET_URI_LIST},
 206         };
 207         char    *gi;
 208
 209         g_return_if_fail(item != NULL && path != NULL);
 210
 211         gi = g_hash_table_lookup(glob_icons, path);
 212
 213         dialog = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 214         gtk_window_set_type_hint(GTK_WINDOW(dialog),
 215                         GDK_WINDOW_TYPE_HINT_DIALOG);
 216         g_object_set_data_full(G_OBJECT(dialog), "pathname",
 217                                  strdup(path), g_free);
 218
 219         gtk_window_set_title(GTK_WINDOW(dialog), _("Set icon"));
 220         gtk_container_set_border_width(GTK_CONTAINER(dialog), 10);
 221
 222         vbox = gtk_vbox_new(FALSE, 4);
 223         gtk_container_add(GTK_CONTAINER(dialog), vbox);
 224
 225         radio = g_new(GtkWidget *, 3);
 226
 227         tmp = g_strdup_printf(_("Set icon for all `%s/<anything>'"),
 228                         item->mime_type->media_type);
 229         radio[2] = gtk_radio_button_new_with_label(NULL, tmp);
 230         gtk_box_pack_start(GTK_BOX(vbox), radio[2], FALSE, TRUE, 0);
 231         g_free(tmp);
 232
 233         tmp = g_strdup_printf(_("Only for the type `%s/%s'"),
 234                         item->mime_type->media_type,
 235                         item->mime_type->subtype);
 236         radio[1] = gtk_radio_button_new_with_label_from_widget(
 237                                         GTK_RADIO_BUTTON(radio[2]), tmp);
 238         gtk_box_pack_start(GTK_BOX(vbox), radio[1], FALSE, TRUE, 0);
 239         g_free(tmp);
 240
 241         tmp = g_strdup_printf(_("Only for the file `%s'"), path);
 242         radio[0] = gtk_radio_button_new_with_label_from_widget(
 243                                         GTK_RADIO_BUTTON(radio[2]), tmp);
 244         gtk_box_pack_start(GTK_BOX(vbox), radio[0], FALSE, TRUE, 0);
 245         g_free(tmp);
 246
 247         g_object_set_data_full(G_OBJECT(dialog), "radios", radio, g_free);
 248         g_object_set_data(G_OBJECT(dialog), "mime_type", item->mime_type);
 249
 250         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(radio[0]), TRUE);
 251
 252         frame = gtk_frame_new(NULL);
 253         gtk_box_pack_start(GTK_BOX(vbox), frame, TRUE, TRUE, 4);
 254         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
 255         gtk_container_set_border_width(GTK_CONTAINER(frame), 4);
 256
 257         gtk_drag_dest_set(frame, GTK_DEST_DEFAULT_ALL,
 258                         targets, sizeof(targets) / sizeof(*targets),
 259                         GDK_ACTION_COPY);
 260         g_signal_connect(frame, "drag_data_received",
 261                         G_CALLBACK(drag_icon_dropped), dialog);
 262
 263         vbox2 = gtk_vbox_new(FALSE, 0);
 264         gtk_container_add(GTK_CONTAINER(frame), vbox2);
 265
 266         label = gtk_label_new(_("Drop an icon file here"));
 267         gtk_misc_set_padding(GTK_MISC(label), 10, 10);
 268         gtk_box_pack_start(GTK_BOX(vbox2), label, TRUE, TRUE, 0);
 269         align = gtk_alignment_new(1, 1, 0, 0);
 270         gtk_box_pack_start(GTK_BOX(vbox2), align, FALSE, TRUE, 0);
 271         button = gtk_button_new();
 272         gtk_container_add(GTK_CONTAINER(align), button);
 273         icon = gtk_image_new_from_pixmap(im_dirs->pixmap, im_dirs->mask);
 274         gtk_container_add(GTK_CONTAINER(button), icon);
 275         gtk_tooltips_set_tip(tooltips, button,
 276                         _("Menu of directories previously used for icons"),
 277                         NULL);
 278         g_signal_connect(button, "clicked",
 279                         G_CALLBACK(show_current_dirs_menu), NULL);
 280
 281         hbox = gtk_hbox_new(FALSE, 4);
 282         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 4);
 283         gtk_box_pack_start(GTK_BOX(hbox), gtk_hseparator_new(), TRUE, TRUE, 0);
 284         gtk_box_pack_start(GTK_BOX(hbox), gtk_label_new(_("OR")),
 285                                                 FALSE, TRUE, 0);
 286         gtk_box_pack_start(GTK_BOX(hbox), gtk_hseparator_new(), TRUE, TRUE, 0);
 287
 288         hbox = gtk_hbox_new(FALSE, 4);
 289         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
 290
 291         label = gtk_label_new(_("Enter the path of an icon file:")),
 292         gtk_misc_set_alignment(GTK_MISC(label), 0, .5);
 293         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 4);
 294
 295         gtk_box_pack_start(GTK_BOX(hbox),
 296                         new_help_button(show_icon_help, NULL), FALSE, TRUE, 0);
 297
 298         entry = gtk_entry_new();
 299         /* Set the current icon as the default text if there is one */
 300         if (gi)
 301                 gtk_entry_set_text(GTK_ENTRY(entry), gi);
 302
 303         gtk_box_pack_start(GTK_BOX(vbox), entry, FALSE, TRUE, 0);
 304         gtk_widget_grab_focus(entry);
 305         g_object_set_data(G_OBJECT(dialog), "icon_path", entry);
 306         g_signal_connect_swapped(entry, "activate",
 307                         G_CALLBACK(get_path_set_icon), dialog);
 308
 309         hbox = gtk_hbox_new(FALSE, 4);
 310         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 4);
 311         gtk_box_pack_start(GTK_BOX(hbox), gtk_hseparator_new(), TRUE, TRUE, 0);
 312         gtk_box_pack_start(GTK_BOX(hbox), gtk_label_new(_("OR")),
 313                                                 FALSE, TRUE, 0);
 314         gtk_box_pack_start(GTK_BOX(hbox), gtk_hseparator_new(), TRUE, TRUE, 0);
 315
 316         hbox = gtk_hbox_new(TRUE, 4);
 317         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
 318
 319         button = gtk_button_new_with_label(_("Remove custom icon"));
 320         gtk_box_pack_start(GTK_BOX(hbox), button, TRUE, TRUE, 0);
 321         g_signal_connect_swapped(button, "clicked",
 322                                   G_CALLBACK(remove_icon), dialog);
 323
 324         hbox = gtk_hbox_new(TRUE, 4);
 325         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
 326
 327         button = gtk_button_new_with_label(_("OK"));
 328         gtk_box_pack_start(GTK_BOX(hbox), button, TRUE, TRUE, 0);
 329         GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
 330         gtk_window_set_default(GTK_WINDOW(dialog), button);
 331         g_signal_connect_swapped(button, "clicked",
 332                         G_CALLBACK(get_path_set_icon), dialog);
 333
 334         button = gtk_button_new_with_label(_("Cancel"));
 335         GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
 336         gtk_box_pack_start(GTK_BOX(hbox), button, TRUE, TRUE, 0);
 337         g_signal_connect_swapped(button, "clicked",
 338                         G_CALLBACK(gtk_widget_destroy), dialog);
 339
 340         gtk_widget_show_all(dialog);
 341 }
 342
 343
 344 /****************************************************************
 345  *                      INTERNAL FUNCTIONS                      *
 346  ****************************************************************/
 347
 348 static gboolean free_globicon(gpointer key, gpointer value, gpointer data)
 349 {
 350         g_free(key);
 351         g_free(value);
 352
 353         return TRUE;            /* For g_hash_table_foreach_remove() */
 354 }
 355
 356 static void write_globicon(gpointer key, gpointer value, gpointer data)
 357 {
 358         xmlNodePtr doc = (xmlNodePtr) data;
 359         xmlNodePtr tree;
 360
 361         tree = xmlNewTextChild(doc, NULL, "rule", NULL);
 362         xmlSetProp(tree, "match", key);
 363         xmlNewChild(tree, NULL, "icon", value);
 364 }
 365
 366 /* Write globicons file */
 367 static void write_globicons(void)
 368 {
 369         gchar *save = NULL, *save_new = NULL;
 370         xmlDocPtr doc = NULL;
 371
 372         save = choices_find_path_save("globicons", PROJECT, TRUE);
 373
 374         if (!save)
 375                 return;         /* Saving is disabled */
 376
 377         save_new = g_strconcat(save, ".new", NULL);
 378
 379         doc = xmlNewDoc("1.0");
 380         xmlDocSetRootElement(doc,
 381                              xmlNewDocNode(doc, NULL, "special-files", NULL));
 382
 383         g_hash_table_foreach(glob_icons, write_globicon,
 384                              xmlDocGetRootElement(doc));
 385
 386         if (save_xml_file(doc, save_new) || rename(save_new, save))
 387                 delayed_error(_("Error saving %s: %s"),
 388                                 save, g_strerror(errno));
 389
 390         g_free(save_new);
 391         g_free(save);
 392
 393         if (doc)
 394                 xmlFreeDoc(doc);
 395 }
 396
 397 /* Process a globicon line. Format:
 398         glob-pattern    icon-path
 399    Example:
 400        /home/<*>/Mail   /usr/local/icons/mailbox.xpm
 401          (<*> represents a single asterisk, enclosed in brackets to not break
 402          the C comment).
 403 */
 404 static const char *process_globicons_line(gchar *line)
 405 {
 406         guchar *pattern, *iconpath;
 407
 408         pattern = strtok(line, " \t");
 409         /* We ignore empty lines, but they are no cause for a message */
 410         if (pattern == NULL)
 411                 return NULL;
 412
 413         iconpath = strtok(NULL, " \t");
 414
 415         /* If there is no icon, then we worry */
 416         g_return_val_if_fail(iconpath != NULL,
 417                         "Invalid line in globicons: no icon specified");
 418
 419         g_hash_table_insert(glob_icons, g_strdup(pattern), g_strdup(iconpath));
 420
 421         return NULL;
 422 }
 423
 424 /* Add a globicon entry to the list. If another one with the same
 425  * path exists, it is replaced. Otherwise, the new entry is
 426  * added to the top of the list (so that it takes precedence over
 427  * other entries).
 428  */
 429 static void add_globicon(const gchar *path, const gchar *icon)
 430 {
 431         g_hash_table_insert(glob_icons, g_strdup(path), g_strdup(icon));
 432
 433         /* Rewrite the globicons file */
 434         write_globicons();
 435
 436         /* Make sure any visible icons for the file are updated */
 437         examine(path);
 438 }
 439
 440 /* Remove the globicon for a certain path */
 441 static void delete_globicon(guchar *path)
 442 {
 443         gpointer key, value;
 444
 445         if (!g_hash_table_lookup_extended(glob_icons, path, &key, &value))
 446                 return;
 447
 448         g_hash_table_remove(glob_icons, path);
 449
 450         g_free(key);
 451         g_free(value);
 452
 453         write_globicons();
 454         examine(path);
 455 }
 456
 457 /* Set the icon for this dialog's file to 'icon' */
 458 static void do_set_icon(GtkWidget *dialog, const gchar *icon)
 459 {
 460         guchar  *path = NULL;
 461         GtkToggleButton **radio;
 462
 463         path = g_object_get_data(G_OBJECT(dialog), "pathname");
 464         g_return_if_fail(path != NULL);
 465
 466         radio = g_object_get_data(G_OBJECT(dialog), "radios");
 467         g_return_if_fail(radio != NULL);
 468
 469         if (gtk_toggle_button_get_active(radio[0]))
 470         {
 471                 if (!set_icon_path(path, icon))
 472                         return;
 473         }
 474         else
 475         {
 476                 gboolean just_media;
 477                 MIME_type *type;
 478
 479                 type = g_object_get_data(G_OBJECT(dialog), "mime_type");
 480                 just_media = gtk_toggle_button_get_active(radio[2]);
 481
 482                 if (!set_icon_for_type(type, icon, just_media))
 483                         return;
 484         }
 485
 486         destroy_on_idle(dialog);
 487 }
 488
 489 /* Called when a URI list is dropped onto the box in the Set Icon
 490  * dialog. Make that the default icon.
 491  */
 492 static void drag_icon_dropped(GtkWidget         *frame,
 493                               GdkDragContext    *context,
 494                               gint              x,
 495                               gint              y,
 496                               GtkSelectionData  *selection_data,
 497                               guint             info,
 498                               guint32           time,
 499                               GtkWidget         *dialog)
 500 {
 501         GList   *uris, *next;
 502         guchar  *icon = NULL;
 503
 504         if (!selection_data->data)
 505                 return;
 506
 507         uris = uri_list_to_glist(selection_data->data);
 508
 509         if (g_list_length(uris) == 1)
 510                 icon = g_strdup(get_local_path((guchar *) uris->data));
 511
 512         for (next = uris; next; next = next->next)
 513                 g_free(next->data);
 514         g_list_free(uris);
 515
 516         if (!icon)
 517         {
 518                 delayed_error(_("You should drop a single local icon file "
 519                                     "onto the drop box - that icon will be "
 520                                     "used for this file from now on."));
 521                 return;
 522         }
 523
 524         do_set_icon(dialog, icon);
 525
 526         g_free(icon);
 527 }
 528
 529 /* Called if the user clicks on the OK button on the Set Icon dialog */
 530 static void get_path_set_icon(GtkWidget *dialog)
 531 {
 532         GtkEntry *entry;
 533         const gchar *icon;
 534
 535         entry = g_object_get_data(G_OBJECT(dialog), "icon_path");
 536         g_return_if_fail(entry != NULL);
 537
 538         icon = gtk_entry_get_text(entry);
 539
 540         do_set_icon(dialog, icon);
 541 }
 542
 543 /* Called if the user clicks on the "Remove custom icon" button */
 544 static void remove_icon(GtkWidget *dialog)
 545 {
 546         guchar *path;
 547
 548         g_return_if_fail(dialog != NULL);
 549
 550         path = g_object_get_data(G_OBJECT(dialog), "pathname");
 551         g_return_if_fail(path != NULL);
 552
 553         delete_globicon(path);
 554
 555         destroy_on_idle(dialog);
 556 }
 557
 558 static void show_icon_help(gpointer data)
 559 {
 560         report_error(
 561                 _("Enter the full path of a file that contains a valid "
 562                   "image to be used as the icon for this file or directory."));
 563 }
 564
 565 /* Set the icon for the given MIME type.  We copy the file. */
 566 static gboolean set_icon_for_type(MIME_type *type, const gchar *iconpath,
 567                                   gboolean just_media)
 568 {
 569         gchar *target;
 570         gchar *leaf;
 571         gchar *dir;
 572         GList *paths;
 573
 574         /* XXX: Should convert to XPM format... */
 575
 576         if (just_media)
 577                 leaf = g_strconcat(type->media_type, ".xpm", NULL);
 578         else
 579                 leaf = g_strconcat(type->media_type, "_", type->subtype,
 580                                                                 ".xpm", NULL);
 581
 582         target = choices_find_path_save(leaf, "MIME-icons", TRUE);
 583         if (!target)
 584         {
 585                 delayed_error(_("Setting icon disabled by CHOICESPATH"));
 586                 g_free(leaf);
 587                 return FALSE;
 588         }
 589
 590         dir = g_dirname(target);
 591         paths = g_list_append(NULL, (gchar *) iconpath);
 592
 593         action_copy(paths, dir, leaf, -1);
 594
 595         g_free(leaf);
 596         g_free(dir);
 597         g_free(target);
 598         g_list_free(paths);
 599
 600         return TRUE;
 601 }
 602
 603 static void get_dir(gpointer key, gpointer value, gpointer data)
 604 {
 605         GHashTable *names = (GHashTable *) data;
 606         gchar *dir;
 607
 608         dir = g_dirname(value); /* Freed in add_dir_to_menu */
 609         if (dir)
 610         {
 611                 g_hash_table_insert(names, dir, NULL);
 612         }
 613 }
 614
 615 static void open_icon_dir(GtkMenuItem *item, gpointer data)
 616 {
 617         FilerWindow *filer;
 618         const char *dir;
 619
 620         dir = gtk_label_get_text(GTK_LABEL(GTK_BIN(item)->child));
 621         filer = filer_opendir(dir, NULL);
 622         if (filer)
 623                 display_set_thumbs(filer, TRUE);
 624 }
 625
 626 static void add_dir_to_menu(gpointer key, gpointer value, gpointer data)
 627 {
 628         GtkMenuShell *menu = (GtkMenuShell *) data;
 629         GtkWidget *item;
 630
 631         item = gtk_menu_item_new_with_label(key);
 632         gtk_widget_set_accel_path(item, NULL, NULL);    /* XXX */
 633         g_signal_connect(item, "activate",
 634                         G_CALLBACK(open_icon_dir), NULL);
 635         g_free(key);
 636         gtk_menu_shell_append(menu, item);
 637 }
 638
 639 static void show_current_dirs_menu(GtkWidget *button, gpointer data)
 640 {
 641         GHashTable *names;
 642         GtkWidget *menu;
 643
 644         names = g_hash_table_new(g_str_hash, g_str_equal);
 645
 646         g_hash_table_foreach(glob_icons, get_dir, names);
 647         if (g_hash_table_size(glob_icons) == 0)
 648         {
 649                 /* TODO: Include MIME-icons? */
 650                 delayed_error(_("You have not yet set any special icons; "
 651                         "therefore, I have no directories to show you"));
 652                 return;
 653         }
 654
 655         menu = gtk_menu_new();
 656
 657         g_hash_table_foreach(names, add_dir_to_menu, menu);
 658
 659         g_hash_table_destroy(names);
 660
 661         show_popup_menu(menu, gtk_get_current_event(), 0);
 662 }