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82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
/*
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*
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*
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* Implementation of KRestrictedLine
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*
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* Copyright (C) 1997 Michael Wiedmann, <mw@miwie.in-berlin.de>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include "krestrictedline.h"
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#include <kdebug.h>
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#include <QtGui/qevent.h>
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class KRestrictedLinePrivate
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{
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public:
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/// QString of valid characters for this line
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QString qsValidChars;
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};
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KRestrictedLine::KRestrictedLine( QWidget *parent )
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: KLineEdit( parent )
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, d( new KRestrictedLinePrivate )
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{
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}
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KRestrictedLine::~KRestrictedLine()
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{
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delete d;
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}
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void KRestrictedLine::keyPressEvent( QKeyEvent *e )
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{
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// let KLineEdit process "special" keys and return/enter
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// so that we still can use the default key binding
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if (e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return || e->key() == Qt::Key_Delete
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|| e->key() == Qt::Key_Backspace
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|| (e->modifiers() & (Qt::ControlModifier | Qt::AltModifier
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| Qt::MetaModifier | Qt::GroupSwitchModifier)))
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{
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KLineEdit::keyPressEvent(e);
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return;
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}
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// do we have a list of valid chars &&
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// is the pressed key in the list of valid chars?
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if (!d->qsValidChars.isEmpty() && !d->qsValidChars.contains(e->text())) {
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// invalid char, emit signal and return
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emit invalidChar(e->key());
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} else {
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// valid char: let KLineEdit process this key as usual
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KLineEdit::keyPressEvent(e);
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}
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}
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void KRestrictedLine::setValidChars( const QString& valid)
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{
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d->qsValidChars = valid;
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}
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QString KRestrictedLine::validChars() const
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{
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return d->qsValidChars;
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}
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#include "moc_krestrictedline.cpp"
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