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/*
* Copyright (C) 2014-2016 Team Kodi
* http://kodi.tv
*
* 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, 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; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#pragma once
#include "input/joysticks/DriverPrimitive.h"
#include "input/joysticks/IButtonMapCallback.h"
#include "input/joysticks/IDriverHandler.h"
#include <vector>
namespace JOYSTICK
{
class IButtonMap;
class IButtonMapper;
/*
* \brief Generic implementation of a class that provides button mapping by
* translating driver events to button mapping commands
*
* Button mapping commands are invoked instantly for buttons and hats.
*
* Button mapping commands are deferred for a short while after an axis is
* activated, and only one command will be invoked per activation.
*/
class CButtonMapping : public IDriverHandler,
public IButtonMapCallback
{
public:
/*
* \brief Constructor for CButtonMapping
*
* \param buttonMapper Carries out button-mapping commands using <buttonMap>
* \param buttonMap The button map given to <buttonMapper> on each command
*/
CButtonMapping(IButtonMapper* buttonMapper, IButtonMap* buttonMap);
virtual ~CButtonMapping(void) { }
// implementation of IDriverHandler
virtual bool OnButtonMotion(unsigned int buttonIndex, bool bPressed) override;
virtual bool OnHatMotion(unsigned int hatIndex, HAT_STATE state) override;
virtual bool OnAxisMotion(unsigned int axisIndex, float position) override;
virtual void ProcessAxisMotions(void) override;
// implementation of IButtonMapCallback
virtual void SaveButtonMap() override;
private:
void MapPrimitive(const CDriverPrimitive& primitive);
void Activate(const CDriverPrimitive& semiAxis);
void Deactivate(const CDriverPrimitive& semiAxis);
bool IsActive(const CDriverPrimitive& semiAxis);
IButtonMapper* const m_buttonMapper;
IButtonMap* const m_buttonMap;
struct ActivatedAxis
{
CDriverPrimitive driverPrimitive;
bool bEmitted; // true if this axis has emited a button-mapping command
};
std::vector<ActivatedAxis> m_activatedAxes;
unsigned int m_lastAction;
};
}
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