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capplet-util.c

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/* -*- mode: c; style: linux -*- */

/* capplet-util.c
 * Copyright (C) 2001 Ximian, Inc.
 *
 * Written by Bradford Hovinen <hovinen@ximian.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 */

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include <ctype.h>

/* For stat */
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <glib/gi18n.h>
#include <stdlib.h>

#include "capplet-util.h"

static void
capplet_error_dialog (GtkWindow *parent, char const *msg, GError *err)
{
      if (err != NULL) {
            GtkWidget *dialog;

            dialog = gtk_message_dialog_new (GTK_WINDOW (parent),
                  GTK_DIALOG_DESTROY_WITH_PARENT,
                  GTK_MESSAGE_ERROR,
                  GTK_BUTTONS_CLOSE,
                  msg, err->message);

            g_signal_connect (G_OBJECT (dialog),
                  "response",
                  G_CALLBACK (gtk_widget_destroy), NULL);
            gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
            gtk_widget_show (dialog);
            g_error_free (err);
      }
}

/**
 * capplet_help :
 * @parent :
 * @helpfile :
 * @section  :
 *
 * A quick utility routine to display help for capplets, and handle errors in a
 * Havoc happy way.
 **/
void
00070 capplet_help (GtkWindow *parent, char const *section)
{
      GError *error = NULL;
      char *uri;
      GdkScreen *screen;

      g_return_if_fail (section != NULL);

      if (!parent)
            screen = gdk_screen_get_default ();
      else
            screen = gtk_widget_get_screen (GTK_WIDGET (parent));

      uri = g_strdup_printf ("ghelp:user-guide#%s", section);

      if (!gtk_show_uri (screen, uri, gtk_get_current_event_time (), &error)) {
            capplet_error_dialog (
                  parent,
                  _("There was an error displaying help: %s"),
                  error);
      }

      g_free (uri);
}

/**
 * capplet_set_icon :
 * @window :
 * @file_name  :
 *
 * A quick utility routine to avoid the cut-n-paste of bogus code
 * that caused several bugs.
 **/
void
00104 capplet_set_icon (GtkWidget *window, char const *icon_file_name)
{
      /* Make sure that every window gets an icon */
      gtk_window_set_default_icon_name (icon_file_name);
      gtk_window_set_icon_name (GTK_WINDOW (window), icon_file_name);
}

static gboolean
directory_delete_recursive (GFile *directory, GError **error)
{
      GFileEnumerator *enumerator;
      GFileInfo *info;
      gboolean success = TRUE;

      enumerator = g_file_enumerate_children (directory,
                                    G_FILE_ATTRIBUTE_STANDARD_NAME ","
                                    G_FILE_ATTRIBUTE_STANDARD_TYPE,
                                    G_FILE_QUERY_INFO_NONE,
                                    NULL, error);
      if (enumerator == NULL)
            return FALSE;

      while (success &&
             (info = g_file_enumerator_next_file (enumerator, NULL, NULL))) {
            GFile *child;

            child = g_file_get_child (directory, g_file_info_get_name (info));

            if (g_file_info_get_file_type (info) == G_FILE_TYPE_DIRECTORY) {
                  success = directory_delete_recursive (child, error);
            } else {
                  success = g_file_delete (child, NULL, error);
            }
            g_object_unref (info);
      }
      g_file_enumerator_close (enumerator, NULL, NULL);

      if (success)
            success = g_file_delete (directory, NULL, error);

      return success;
}

/**
 * capplet_file_delete_recursive :
 * @file :
 * @error  :
 *
 * A utility routine to delete files and/or directories,
 * including non-empty directories.
 **/
gboolean
capplet_file_delete_recursive (GFile *file, GError **error)
{
      GFileInfo *info;
      GFileType type;

      g_return_val_if_fail (error == NULL || *error == NULL, FALSE);

      info = g_file_query_info (file,
                          G_FILE_ATTRIBUTE_STANDARD_TYPE,
                          G_FILE_QUERY_INFO_NONE,
                          NULL, error);
      if (info == NULL)
            return FALSE;

      type = g_file_info_get_file_type (info);
      g_object_unref (info);

      if (type == G_FILE_TYPE_DIRECTORY)
            return directory_delete_recursive (file, error);
      else
            return g_file_delete (file, NULL, error);
}

void
capplet_init (GOptionContext *context,
            int *argc,
            char ***argv)
{
      GError *err = NULL;

#ifdef ENABLE_NLS
      bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR);
      bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
      textdomain (GETTEXT_PACKAGE);
#endif

      if (context) {
#if GLIB_CHECK_VERSION (2, 12, 0)
            g_option_context_set_translation_domain (context, GETTEXT_PACKAGE);
#endif
            g_option_context_add_group (context, gtk_get_option_group (TRUE));

            if (!g_option_context_parse (context, argc, argv, &err)) {
                  g_printerr ("%s\n", err->message);
                  exit (1);
            }
      }

      gtk_init (argc, argv);
}

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