Subversion Repositories Projects

#include <qpainter.h>

#include <qwt_dial_needle.h>

#include "cSpeedMeter.h"

cSpeedMeter::cSpeedMeter(QWidget *parent): QwtDial(parent), d_label("m/s")

{

    setWrapping(false);

    setReadOnly(true);

    setOrigin(125.0);

    setScaleArc(0.0, 270.0);

    scaleDraw()->setSpacing(8);

    QwtDialSimpleNeedle *needle = new QwtDialSimpleNeedle(QwtDialSimpleNeedle::Arrow, true, Qt::red, QColor(Qt::gray).light(130));

    setNeedle(needle);

    setScaleOptions(ScaleTicks | ScaleLabel);

    setScaleTicks(0, 4, 8);

}

void cSpeedMeter::setLabel(const QString &label)

{

    d_label = label;

    update();

}

QString cSpeedMeter::label() const

{

    return d_label;

}

void cSpeedMeter::drawScaleContents(QPainter *painter, const QPoint &center, int radius) const

{

    QRect rect(0, 0, 2 * radius, 2 * radius - 10);

    rect.moveCenter(center);

    const QColor color =

    palette().color(QPalette::Text);

    painter->setPen(color);

    const int flags = Qt::AlignBottom | Qt::AlignHCenter;

    painter->drawText(rect, flags, d_label);

}