base_keyboard_state.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/>.
 *
 */

/*
 * This file is based on WME Lite.
 * http://dead-code.org/redir.php?target=wmelite
 * Copyright (c) 2011 Jan Nedoma
 */

#ifndef WINTERMUTE_BASE_KEYBOARD_STATE_H
#define WINTERMUTE_BASE_KEYBOARD_STATE_H


#include "engines/wintermute/base/base.h"
#include "engines/wintermute/base/base_scriptable.h"
#include "common/keyboard.h"
#include "common/events.h"

namespace Wintermute {

struct keyCodeMapping {
    Common::KeyCode commonKeycode;
    uint32 engineKeycode;
};

class BaseKeyboardState : public BaseScriptable {
public:
    uint32 _currentKeyData;
    uint32 _currentCharCode;
    bool _currentPrintable;

    bool _currentShift;
    bool _currentAlt;
    bool _currentControl;
    DECLARE_PERSISTENT(BaseKeyboardState, BaseScriptable)
    BaseKeyboardState(BaseGame *inGame);
    ~BaseKeyboardState() override;
    bool readKey(Common::Event *event);

    // scripting interface
    ScValue *scGetProperty(const char *name) override;
    bool scSetProperty(const char *name, ScValue *value) override;
    bool scCallMethod(ScScript *script, ScStack *stack, ScStack *thisStack, const char *name) override;
    const char *scToString() override;

    void handleKeyPress(Common::Event *event);
    void handleKeyRelease(Common::Event *event);
    static bool isShiftDown();
    static bool isControlDown();
    static bool isAltDown();
    bool isCurrentPrintable() const;

private:
    void init();

    uint8 *_keyStates;

    const keyCodeMapping *_mapping;
    uint32 _mappingSize;
};

} // End of namespace Wintermute

#endif