sdrangel/sdrgui/gui/dmsspinbox.cpp

127 wiersze
3.7 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2021 Jon Beniston, M7RCE //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QLineEdit>
#include "util/units.h"
#include "dmsspinbox.h"
DMSSpinBox::DMSSpinBox(QWidget *parent) :
QAbstractSpinBox(parent),
m_value(0.0),
m_minimum(0.0),
m_maximum(360.0),
m_units(DM)
{
setButtonSymbols(QAbstractSpinBox::UpDownArrows);
connect(lineEdit(), SIGNAL(editingFinished()), this, SLOT(on_lineEdit_editingFinished()));
}
bool DMSSpinBox::hasValue() const
{
return m_text.isNull();
}
double DMSSpinBox::value() const
{
return m_value;
}
void DMSSpinBox::setValue(double degrees)
{
if (m_value != degrees)
{
m_value = degrees;
if (m_value < m_minimum) {
m_value = m_minimum;
}
if (m_value > m_maximum) {
m_value = m_maximum;
}
m_text = QString();
emit valueChanged(m_value);
}
lineEdit()->setText(convertDegreesToText(m_value));
}
void DMSSpinBox::setRange(double minimum, double maximum)
{
m_minimum = minimum;
m_maximum = maximum;
}
void DMSSpinBox::setUnits(DisplayUnits units)
{
m_units = units;
if (hasValue()) {
lineEdit()->setText(convertDegreesToText(m_value));
}
}
void DMSSpinBox::setText(QString text)
{
m_text = text;
lineEdit()->setText(m_text);
}
void DMSSpinBox::stepBy(int steps)
{
if (hasValue()) {
setValue(m_value + (double)steps);
}
}
QAbstractSpinBox::StepEnabled DMSSpinBox::stepEnabled() const
{
QAbstractSpinBox::StepEnabled enabled = QAbstractSpinBox::StepNone;
if (hasValue() && (m_value < m_maximum)) {
enabled |= QAbstractSpinBox::StepUpEnabled;
}
if (hasValue() && (m_value > m_minimum)) {
enabled |= QAbstractSpinBox::StepDownEnabled;
}
return enabled;
}
QString DMSSpinBox::convertDegreesToText(double degrees)
{
if (m_units == DMS) {
return Units::decimalDegreesToDegreeMinutesAndSeconds(degrees);
} else if (m_units == DM) {
return Units::decimalDegreesToDegreesAndMinutes(degrees);
} else if (m_units == D) {
return Units::decimalDegreesToDegrees(degrees);
} else {
return QString("%1").arg(degrees, 0, 'f', 2);
}
}
void DMSSpinBox::on_lineEdit_editingFinished()
{
QString text = lineEdit()->text().trimmed();
float decimal;
if (Units::degreeMinuteAndSecondsToDecimalDegrees(text, decimal)) {
setValue(decimal);
} else {
qDebug() << "DMSSpinBox::on_lineEdit_editingFinished: Invalid format: " << text;
}
}