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/* Metacity UI Slave */

/* 
 * Copyright (C) 2001 Havoc Pennington
 * 
 * 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 of the
 * License, 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.
 */

#ifndef META_UI_SLAVE_H
#define META_UI_SLAVE_H

#include "util.h"
#include "uislave/messages.h"
#include "display.h"

typedef void (* MetaUISlaveFunc) (MetaUISlave *uislave,
                                  MetaMessage *message,
                                  gpointer     data);

struct _MetaUISlave
{
  GSource source;
  
  char *display_name;
  int child_pid;
  int in_pipe;
  int err_pipe;
  GPollFD out_poll;
  GIOChannel *err_channel;
  unsigned int errwatch;
  GQueue *queue;
  GString *buf;
  GString *current_message;
  int current_required_len;
  /* if we determine that our available slave is hosed,
   * set this bit.
   */
  guint no_respawn : 1;
};

MetaUISlave* meta_ui_slave_new     (const char      *display_name,
                                    MetaUISlaveFunc  func,
                                    gpointer         data);
void         meta_ui_slave_free    (MetaUISlave     *uislave);
void         meta_ui_slave_disable (MetaUISlave     *uislave);


#endif