76 lines
1.8 KiB
C++
76 lines
1.8 KiB
C++
/*
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Copyright (C) 2016 Srivats P.
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This file is part of "Ostinato"
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This 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, either version 3 of the License, or
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(at your option) any later version.
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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 for more details.
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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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#ifndef _MAC_EDIT_H
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#define _MAC_EDIT_H
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#include <QLineEdit>
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#include <QRegExpValidator>
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class MacEdit: public QLineEdit
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{
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public:
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MacEdit(QWidget *parent = 0);
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quint64 value();
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void setValue(quint64 val);
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protected:
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virtual void focusOutEvent(QFocusEvent *e);
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};
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inline MacEdit::MacEdit(QWidget *parent)
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: QLineEdit(parent)
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{
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// Allow : or - as separator
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QRegExp reMac("([0-9,a-f,A-F]{0,2}[:-]){5,5}[0-9,a-f,A-F]{0,2}");
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setValidator(new QRegExpValidator(reMac, this));
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}
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inline quint64 MacEdit::value()
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{
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QStringList bytes = text().split(QRegExp("[:-]"));
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quint64 mac = 0;
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while (bytes.count() > 6)
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bytes.removeLast();
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for (int i = 0; i < bytes.count(); i++)
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mac |= (bytes.at(i).toULongLong(NULL, 16) & 0xff) << (5-i)*8;
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return mac;
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}
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inline void MacEdit::setValue(quint64 val)
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{
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setText(QString("%1").arg(val, 6*2, 16, QChar('0'))
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.replace(QRegExp("([0-9a-fA-F]{2}\\B)"), "\\1:").toUpper());
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}
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inline void MacEdit::focusOutEvent(QFocusEvent *e)
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{
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// be helpful and show a well-formatted value on focus out
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setValue(value());
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QLineEdit::focusOutEvent(e);
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}
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#endif
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