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227 | KeyOz | 1 | #include <qpainter.h> |
2 | #include <qwt_dial_needle.h> |
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3 | #include "cSpeedMeter.h" |
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4 | |||
5 | cSpeedMeter::cSpeedMeter(QWidget *parent): QwtDial(parent), d_label("m/s") |
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6 | { |
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7 | setWrapping(false); |
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8 | setReadOnly(true); |
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9 | |||
10 | setOrigin(125.0); |
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11 | setScaleArc(0.0, 270.0); |
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12 | scaleDraw()->setSpacing(8); |
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13 | |||
14 | QwtDialSimpleNeedle *needle = new QwtDialSimpleNeedle(QwtDialSimpleNeedle::Arrow, true, Qt::red, QColor(Qt::gray).light(130)); |
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15 | setNeedle(needle); |
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16 | |||
17 | setScaleOptions(ScaleTicks | ScaleLabel); |
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18 | setScaleTicks(0, 4, 8); |
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19 | } |
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20 | |||
21 | void cSpeedMeter::setLabel(const QString &label) |
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22 | { |
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23 | d_label = label; |
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24 | update(); |
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25 | } |
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26 | |||
27 | QString cSpeedMeter::label() const |
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28 | { |
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29 | return d_label; |
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30 | } |
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31 | |||
32 | void cSpeedMeter::drawScaleContents(QPainter *painter, const QPoint ¢er, int radius) const |
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33 | { |
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34 | QRect rect(0, 0, 2 * radius, 2 * radius - 10); |
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35 | rect.moveCenter(center); |
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36 | |||
37 | const QColor color = |
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38 | |||
39 | palette().color(QPalette::Text); |
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40 | painter->setPen(color); |
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41 | |||
42 | const int flags = Qt::AlignBottom | Qt::AlignHCenter; |
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43 | painter->drawText(rect, flags, d_label); |
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44 | } |