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qwt/examples/oscilloscope/Knob.h
2023-10-31 09:22:42 +01:00

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C++

/*****************************************************************************
* Qwt Examples - Copyright (C) 2002 Uwe Rathmann
* This file may be used under the terms of the 3-clause BSD License
*****************************************************************************/
#pragma once
#include <QwtGlobal>
#include <QWidget>
class QwtKnob;
class QLabel;
class Knob : public QWidget
{
Q_OBJECT
Q_PROPERTY( QColor theme READ theme WRITE setTheme )
public:
Knob( const QString& title,
double min, double max, QWidget* parent = NULL );
virtual QSize sizeHint() const QWT_OVERRIDE;
void setValue( double value );
double value() const;
void setTheme( const QColor& );
QColor theme() const;
Q_SIGNALS:
double valueChanged( double );
protected:
virtual void resizeEvent( QResizeEvent* ) QWT_OVERRIDE;
private:
QwtKnob* m_knob;
QLabel* m_label;
};