gui.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef PARALLACTION_GUI_H
#define PARALLACTION_GUI_H

#include "common/system.h"
#include "common/hashmap.h"

#include "parallaction/input.h"
#include "parallaction/parallaction.h"
#include "parallaction/sound.h"


namespace Parallaction {

class MenuInputState;

class MenuInputHelper {
    typedef Common::HashMap<Common::String, MenuInputState *> StateMap;

    StateMap    _map;
    MenuInputState  *_state;
    MenuInputState *_newState;

public:
    MenuInputHelper() : _state(0), _newState(0) {
    }

    ~MenuInputHelper();

    void setState(const Common::String &name) {
        // bootstrap routine
        _newState = getState(name);
        assert(_newState);
    }

    void addState(const Common::String &name, MenuInputState *state) {
        _map.setVal(name, state);
    }

    MenuInputState *getState(const Common::String &name) {
        return _map[name];
    }

    bool run();
};

class MenuInputState {

protected:
    MenuInputHelper *_helper;

public:
    MenuInputState(const Common::String &name, MenuInputHelper *helper) : _helper(helper), _name(name) {
        debugC(3, kDebugExec, "MenuInputState(%s)", name.c_str());
        _helper->addState(name, this);
    }

    Common::String  _name;

    virtual ~MenuInputState() { }

    virtual MenuInputState* run() = 0;
    virtual void enter() = 0;
};


} // namespace Parallaction

#endif