mirror of
https://github.com/GoldenCheetah/GoldenCheetah.git
synced 2026-02-14 00:28:42 +00:00
97 lines
2.4 KiB
C++
97 lines
2.4 KiB
C++
#include <qlayout.h>
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#include <qlabel.h>
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#include <qwt_wheel.h>
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#include <qwt_slider.h>
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#include <qwt_thermo.h>
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#include <qwt_math.h>
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#include "tunerfrm.h"
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class TuningThermo: public QWidget
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{
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public:
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TuningThermo(QWidget *parent):
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QWidget(parent)
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{
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d_thermo = new QwtThermo(this);
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d_thermo->setOrientation(Qt::Horizontal, QwtThermo::NoScale);
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d_thermo->setRange(0.0, 1.0);
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d_thermo->setFillColor(Qt::green);
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QLabel *label = new QLabel("Tuning", this);
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label->setAlignment(Qt::AlignCenter);
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QVBoxLayout *layout = new QVBoxLayout(this);
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layout->setMargin(0);
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layout->addWidget(d_thermo);
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layout->addWidget(label);
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setFixedWidth(3 * label->sizeHint().width());
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}
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void setValue(double value)
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{
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d_thermo->setValue(value);
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}
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private:
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QwtThermo *d_thermo;
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};
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TunerFrame::TunerFrame(QWidget *parent):
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QFrame(parent)
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{
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d_sldFreq = new QwtSlider(this, Qt::Horizontal, QwtSlider::TopScale);
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d_sldFreq->setRange(87.5, 108, 0.01, 10);
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d_sldFreq->setScaleMaxMinor(5);
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d_sldFreq->setScaleMaxMajor(12);
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d_sldFreq->setThumbLength(80);
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d_sldFreq->setBorderWidth(1);
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d_thmTune = new TuningThermo(this);
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d_whlFreq = new QwtWheel(this);
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d_whlFreq->setMass(0.5);
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d_whlFreq->setRange(87.5, 108, 0.01);
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d_whlFreq->setTotalAngle(3600.0);
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d_whlFreq->setFixedHeight(30);
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connect(d_whlFreq, SIGNAL(valueChanged(double)), SLOT(adjustFreq(double)));
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connect(d_sldFreq, SIGNAL(valueChanged(double)), SLOT(adjustFreq(double)));
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QVBoxLayout *mainLayout = new QVBoxLayout(this);
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mainLayout->setMargin(10);
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mainLayout->setSpacing(5);
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mainLayout->addWidget(d_sldFreq);
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QHBoxLayout *hLayout = new QHBoxLayout;
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hLayout->setMargin(0);
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hLayout->addWidget(d_thmTune, 0);
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hLayout->addStretch(5);
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hLayout->addWidget(d_whlFreq, 2);
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mainLayout->addLayout(hLayout);
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}
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void TunerFrame::adjustFreq(double frq)
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{
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const double factor = 13.0 / (108 - 87.5);
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const double x = (frq - 87.5) * factor;
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const double field = qwtSqr(sin(x) * cos(4.0 * x));
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d_thmTune->setValue(field);
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if (d_sldFreq->value() != frq)
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d_sldFreq->setValue(frq);
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if (d_whlFreq->value() != frq)
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d_whlFreq->setValue(frq);
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emit fieldChanged(field);
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}
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void TunerFrame::setFreq(double frq)
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{
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d_whlFreq->setValue(frq);
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}
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