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53 lines
2.4 KiB
C++
53 lines
2.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel //
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// Copyright (C) 2015-2019 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
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// Copyright (C) 2021-2023 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 "nanosecondsdelegate.h"
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NanoSecondsDelegate::NanoSecondsDelegate(QObject *parent) :
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QStyledItemDelegate(parent)
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{
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}
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QString NanoSecondsDelegate::displayText(const QVariant &value, const QLocale &locale) const
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{
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(void) locale;
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if (value.toString() == "")
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{
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return "";
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}
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else
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{
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double timeInNanoSec = value.toDouble();
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QString s;
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if (timeInNanoSec < 1e3) {
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s = QString("%1 ns").arg(timeInNanoSec, 0, 'f', 3);
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} else if (timeInNanoSec < 1e6) {
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s = QString("%1 us").arg(timeInNanoSec/1e3, 0, 'f', 3);
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} else if (timeInNanoSec < 1e9) {
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s = QString("%1 ms").arg(timeInNanoSec/1e6, 0, 'f', 3);
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} else {
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s = QString("%1 s").arg(timeInNanoSec/1e9, 0, 'f', 3);
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}
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return s;
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}
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}
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