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2010-05-25T14:21:06Z

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2010-05-25T10:25:14Z

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==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>

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