keysWorker.h

Go to the documentation of this file.

/* Copyright 2014 - 2016 CyberTech Labs Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. */

#pragma once

#include <QtCore/QObject>
#include <QtCore/QScopedPointer>
#include <QtCore/QSet>
#include <QtCore/QReadWriteLock>

#include <trikHal/hardwareAbstractionInterface.h>

#include "deviceState.h"

namespace trikControl {

class KeysWorker : public QObject
{
    Q_OBJECT

public:
    KeysWorker(const QString &keysPath, DeviceState &state
            , const trikHal::HardwareAbstractionInterface &hardwareAbstraction);

    void reset();

public slots:
    bool wasPressed(int code);

private slots:
    void readKeysEvent(int eventType, int code, int value, const trikKernel::TimeVal &eventTime);

signals:
    void buttonPressed(int code, int value);

private:
    QScopedPointer<trikHal::EventFileInterface> mEventFile;
    int mButtonCode = 0;
    int mButtonValue = 0;
    QSet<int> mWasPressed;
    QReadWriteLock mLock;

    DeviceState &mState;
};

}