ostinato/common/macedit.h
2018-01-31 22:03:04 +05:30

75 lines
1.8 KiB
C++

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