joystickconfig.h

Linux下比较早的基于命令行的DVD播放器

//
// Copyright (c) 2004 by Istv醤 V醨adi
//
// This file is part of dxr3Player, a DVD player written specifically 
// for the DXR3 (aka Hollywood+) decoder card.

// 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 DXR3PLAYER_UTIL_JOYSTICKCONFIG_H
#define DXR3PLAYER_UTIL_JOYSTICKCONFIG_H
//------------------------------------------------------------------------------

#include "DefaultAllocator.h"

#include <vector>

//------------------------------------------------------------------------------

/**
 * Joystick configuration.
 */
class JoystickConfig
{
private:
    /**
     * Vector of commands.
     */
    typedef std::vector<const char*, DefaultAllocatorTemplate<const char*> > commands_t;

    /**
     * Associate the given string with the given index in the given
     * command set.
     */
    static void setCommand(commands_t& commands, size_t index,
                           const char* command);

    /**
     * Associate the given string with the index retrieved from the
     * key in the given command set.
     */
    static void setCommand(commands_t& commands, const char* key,
                           const char* command);


    /**
     * Get the command for the given index from the given vector.
     */
    static const char* getCommand(const commands_t& commands, size_t index);

public:
    /**
     * The prefix of joystick-related entries in the config file.
     */
    static const char* jsPrefix;

    /**
     * The vector of button press commands.
     */
    commands_t buttonCommands;

    /**
     * The vector of commands executed when the joystick is deflected
     * to the left (or down) along an axis.
     */
    commands_t leftCommands;

    /**
     * The vector of commands executed when the joystick is deflected
     * to the right (or up) along an axis.
     */
    commands_t rightCommands;

public:
    /**
     * Destroy the joystick config.
     */
    ~JoystickConfig();

    /**
     * Process the given key-value pair from the config file.
     */
    void process(const char* key, const char* value);

    /**
     * Get the command for the given button press.
     */
    const char* getButtonCommand(size_t buttonNumber) const;

    /**
     * Get the command for the event of the joystick being deflected
     * to the left (down) along the given axis.
     */
    const char* getLeftCommand(size_t axisNumber) const;

    /**
     * Get the command for the event of the joystick being deflected
     * to the right (up) along the given axis.
     */
    const char* getRightCommand(size_t axisNumber) const;
};

//------------------------------------------------------------------------------
// Inline definitions
//------------------------------------------------------------------------------

inline const char* JoystickConfig::getButtonCommand(size_t buttonNumber) const
{
    return getCommand(buttonCommands, buttonNumber);
}

//------------------------------------------------------------------------------

inline const char* JoystickConfig::getLeftCommand(size_t axisNumber) const
{
    return getCommand(leftCommands, axisNumber);
}

//------------------------------------------------------------------------------

inline const char* JoystickConfig::getRightCommand(size_t axisNumber) const
{
    return getCommand(rightCommands, axisNumber);
}

//------------------------------------------------------------------------------
#endif // DXR3PLAYER_UTIL_JOYSTICKCONFIG_H

// Local variables:
// mode: c++
// End: