mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-24 17:08:36 -05:00
90 lines
3.3 KiB
C++
90 lines
3.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
|
|
// written by Christian Daniel //
|
|
// Copyright (C) 2015-2020 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
|
|
// Copyright (C) 2020-2024 Jon Beniston, M7RCE <jon@beniston.com> //
|
|
// //
|
|
// 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 <QDoubleValidator>
|
|
|
|
#include "decimaldelegate.h"
|
|
|
|
// Allow "" or double
|
|
class DoubleOrEmptyValidator : public QDoubleValidator {
|
|
public:
|
|
DoubleOrEmptyValidator(double bottom, double top, int decimals, QObject *parent = nullptr) :
|
|
QDoubleValidator(bottom, top, decimals, parent)
|
|
{
|
|
}
|
|
|
|
QValidator::State validate(QString& input, int &pos) const
|
|
{
|
|
if (input == "") {
|
|
return QValidator::Acceptable;
|
|
} else {
|
|
return QDoubleValidator::validate(input, pos);
|
|
}
|
|
}
|
|
};
|
|
|
|
DecimalDelegate::DecimalDelegate(int precision, QObject *parent) :
|
|
QStyledItemDelegate(parent),
|
|
m_precision(precision),
|
|
m_min(-std::numeric_limits<double>::max()),
|
|
m_max(std::numeric_limits<double>::max())
|
|
{
|
|
}
|
|
|
|
DecimalDelegate::DecimalDelegate(int precision, double min, double max, QObject *parent) :
|
|
QStyledItemDelegate(parent),
|
|
m_precision(precision),
|
|
m_min(min),
|
|
m_max(max)
|
|
{
|
|
}
|
|
|
|
QString DecimalDelegate::displayText(const QVariant &value, const QLocale &locale) const
|
|
{
|
|
(void) locale;
|
|
bool ok;
|
|
double d = value.toDouble(&ok);
|
|
if (ok) {
|
|
return QString::number(d, 'f', m_precision);
|
|
} else {
|
|
return value.toString();
|
|
}
|
|
}
|
|
|
|
QWidget *DecimalDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
|
|
{
|
|
(void) option;
|
|
(void) index;
|
|
|
|
QLineEdit* editor = new QLineEdit(parent);
|
|
DoubleOrEmptyValidator *validator = new DoubleOrEmptyValidator(m_min, m_max, m_precision);
|
|
validator->setBottom(m_min);
|
|
validator->setTop(m_max);
|
|
editor->setValidator(validator);
|
|
return editor;
|
|
}
|
|
|
|
void DecimalDelegate::setRange(double min, double max)
|
|
{
|
|
m_min = min;
|
|
m_max = max;
|
|
}
|