/* bzflag
 * Copyright (c) 1993-2017 Tim Riker
 *
 * This package is free software;  you can redistribute it and/or
 * modify it under the terms of the license found in the file
 * named COPYING that should have accompanied this file.
 *
 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef	__HUDDIALOGSTACK_H__
#define	__HUDDIALOGSTACK_H__

/* common header */
#include "common.h"

/* system interface headers */
#include <vector>

/* local interface headers */
class HUDDialog;

/** general utility class for the HUDDialog
 */
class HUDDialogStack {
public:
  static HUDDialogStack* get();

  bool isActive() const;
  HUDDialog* top() const;
  void push(HUDDialog*);
  void pop();

  void render();
  void setFailedMessage(const char *msg);

  HUDDialogStack();
  ~HUDDialogStack();

private:
  static void resize(void*);

private:
  std::vector<HUDDialog*> stack;
  static HUDDialogStack globalStack;
};


#endif /* __HUDDIALOGSTACK_H__ */

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