// vi:ft=cpp
/*
 * (c) 2010 Alexander Warg <warg@os.inf.tu-dresden.de>
 *     economic rights: Technische Universität Dresden (Germany)
 *
 * This file is part of TUD:OS and distributed under the terms of the
 * GNU General Public License 2.
 * Please see the COPYING-GPL-2 file for details.
 */
#pragma once

#include <l4/mag-gfx/geometry>
#include <l4/mag/server/view_stack>

#include <l4/re/event>

namespace Mag_server {

using namespace Mag_gfx;

class User_state
{
private:
  View_stack _vstack;
  Point _mouse_pos;
  View *_mouse_cursor;
  View *_pointed_view;

  Point _next_mouse_pos;
  int _pressed_keys;

public:
  User_state(Canvas *screen, View *cursor, View *bg)
  : _vstack(screen, bg), _mouse_pos(0,0),
    _mouse_cursor(cursor), _pointed_view(0), _next_mouse_pos(0,0),
    _pressed_keys(0)
  {
    if (_mouse_cursor)
      vstack()->push_top(_mouse_cursor, true);

    vstack()->update_all_views();
  }

  void forget_view(View *v)
  {
    _vstack.forget_view(v);
    if (_pointed_view == v)
      _pointed_view = _vstack.find(_next_mouse_pos);

  }


  View_stack *vstack() { return &_vstack; }
  View_stack const *vstack() const { return &_vstack; }


  typedef L4Re::Event_buffer::Event Event;

  virtual void handle_event(Event const &e);
  virtual ~User_state() {}
};

}