sensorLever.h

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/* Copyright 2016 Mikhail Kita
 *
 * 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/qglobal.h>

#include <QtWidgets/QWidget>
#include <QtWidgets/QHBoxLayout>
#include <QtWidgets/QLabel>
#include <QtWidgets/QProgressBar>

#include <QtCore/QString>

namespace trikGui {

class SensorLever : public QWidget
{
    Q_OBJECT

public:
    explicit SensorLever(const QString &port, QWidget *parent = 0);

    int distance() const;

    bool isGreater() const;

protected:
    void keyPressEvent(QKeyEvent *event) override;

    void paintEvent(QPaintEvent *) override;

private slots:
    void setDistance(int distance);

    void changeSign();

private:
    bool mIsGreater;
    const int mMaxDistance;
    const int mMinDistance;
    const int mDistanceStep;
    int mDistance;

    QHBoxLayout mLayout;
    QLabel mNameLabel;
    QProgressBar mDistanceBar;
    QLabel mSignLabel;
};

}