mirror of
https://github.com/f4exb/sdrangel.git
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126 lines
4.1 KiB
C++
126 lines
4.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2024 Jon Beniston, M7RCE <jon@beniston.com> //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <cmath>
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#include "perioddial.h"
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#include "wrappingdial.h"
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#include "wrappingspinbox.h"
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#include <QComboBox>
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#include <QHBoxLayout>
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PeriodDial::PeriodDial(QWidget *parent) :
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QWidget(parent)
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{
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m_layout = new QHBoxLayout(this);
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m_layout->setContentsMargins(0, 0, 0, 0);
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m_dial = new WrappingDial();
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m_dial->setMinimum(1);
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m_dial->setMaximum(999);
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m_dial->setMaximumSize(24, 24);
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m_spinBox = new WrappingSpinBox();
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m_spinBox->setMinimum(1);
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m_spinBox->setMaximum(999);
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m_spinBox->setButtonSymbols(QAbstractSpinBox::NoButtons);
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m_units = new QComboBox();
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m_units->addItem(QString("%1s").arg(QChar(0x3bc)));
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m_units->addItem("ms");
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m_units->addItem("s");
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m_layout->addWidget(m_dial);
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m_layout->addWidget(m_spinBox);
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m_layout->addWidget(m_units);
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connect(m_dial, &WrappingDial::valueChanged, this, &PeriodDial::on_dial_valueChanged);
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connect(m_dial, &WrappingDial::wrapUp, this, &PeriodDial::on_wrapUp);
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connect(m_dial, &WrappingDial::wrapDown, this, &PeriodDial::on_wrapDown);
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connect(m_spinBox, QOverload<int>::of(&WrappingSpinBox::valueChanged), this, &PeriodDial::on_spinBox_valueChanged);
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connect(m_spinBox, &WrappingSpinBox::wrapUp, this, &PeriodDial::on_wrapUp);
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connect(m_spinBox, &WrappingSpinBox::wrapDown, this, &PeriodDial::on_wrapDown);
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connect(m_units, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &PeriodDial::on_units_currentIndexChanged);
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}
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void PeriodDial::on_dial_valueChanged(int dialValue)
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{
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m_spinBox->setValue(dialValue);
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emit valueChanged(value());
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}
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void PeriodDial::on_spinBox_valueChanged(int boxValue)
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{
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m_dial->setValue(boxValue);
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}
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void PeriodDial::on_units_currentIndexChanged(int index)
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{
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(void) index;
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emit valueChanged(value());
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}
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void PeriodDial::on_wrapUp()
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{
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int index = m_units->currentIndex();
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if (index < m_units->count() - 1) {
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m_units->setCurrentIndex(index + 1);
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}
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}
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void PeriodDial::on_wrapDown()
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{
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int index = m_units->currentIndex();
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if (index > 0) {
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m_units->setCurrentIndex(index - 1);
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}
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}
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void PeriodDial::setValue(double newValue)
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{
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double oldValue = value();
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int index;
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if (newValue < 1e-3) {
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index = 0;
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} else if (newValue < 1.0) {
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index = 1;
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} else {
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index = 2;
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}
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double scale = std::pow(10.0, 3 * (2 - index));
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int mantissa = std::round(newValue * scale);
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bool blocked = blockSignals(true);
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m_dial->setValue(mantissa);
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m_units->setCurrentIndex(index);
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blockSignals(blocked);
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if (newValue != oldValue) {
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emit valueChanged(value());
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}
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}
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double PeriodDial::value()
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{
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int index = -3 * (2 - m_units->currentIndex()); // 0=s -3=ms -6=us
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double scale = std::pow(10.0, index);
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int mantissa = m_dial->value();
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return mantissa * scale;
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}
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