C++/Qt/QRegExpValidator
Версия от 17:21, 25 мая 2010; (обсуждение)
QRegExpValidator and QLineEdit
<source lang="cpp">
Foundations of Qt Development\Chapter03\revalidator\main.cpp /*
* Copyright (c) 2006-2007, Johan Thelin * * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of APress nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */
- include <QApplication>
- include <QDialog>
- include <QGridLayout>
- include <QLabel>
- include <QLineEdit>
- include <QPushButton>
- include <QRegExpValidator>
class ValidationDialog : public QDialog { public:
ValidationDialog() { QGridLayout *layout = new QGridLayout( this ); QLineEdit *reEdit = new QLineEdit( "+46(0)31-445566" ); QPushButton *button = new QPushButton( "Close" ); layout->addWidget( new QLabel("Phone:"), 0, 0 ); layout->addWidget( reEdit, 0, 1 ); layout->addWidget( button, 1, 0, 1, 2 ); QRegExpValidator *reVal = new QRegExpValidator( QRegExp("\\+\\d{1,2}\\([089]\\)\\d{2,5}\\-\\d+"), this ); reEdit->setValidator( reVal ); connect( button, SIGNAL(clicked()), this, SLOT(accept()) ); }
}; int main( int argc, char** argv ) {
QApplication app( argc, argv ); ValidationDialog w; w.show(); return app.exec();
}
</source>