C++/Qt/QRegExpValidator

Материал из C\C++ эксперт
Перейти к: навигация, поиск

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.
*
*/
  1. include <QApplication>
  2. include <QDialog>
  3. include <QGridLayout>
  4. include <QLabel>
  5. include <QLineEdit>
  6. include <QPushButton>
  7. 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>