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sdrangel/sdrgui/gui/frequencydelegate.cpp
2023-05-15 16:40:43 +01:00

59 lines
2.3 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2023 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 "frequencydelegate.h"
FrequencyDelegate::FrequencyDelegate(QString units, int precision, bool group) :
m_units(units),
m_precision(precision),
m_group(group)
{
}
QString FrequencyDelegate::displayText(const QVariant &value, const QLocale &locale) const
{
bool ok;
qlonglong v = value.toLongLong(&ok);
if (ok)
{
double d;
if (m_units == "GHz") {
d = v / 1000000000.0;
} else if (m_units == "MHz") {
d = v / 1000000.0;
} else if (m_units == "kHz") {
d = v / 1000.0;
} else {
d = v;
}
QLocale l(locale);
if (m_group) {
l.setNumberOptions(l.numberOptions() & ~QLocale::OmitGroupSeparator);
} else {
l.setNumberOptions(l.numberOptions() | QLocale::OmitGroupSeparator);
}
QString s = l.toString(d, 'f', m_precision);
return QString("%1 %2").arg(s).arg(m_units);
}
else
{
return value.toString();
}
}