finddialog.cpp Example File
tutorials/addressbook/part7/finddialog.cpp

 /****************************************************************************
 **
 ** Copyright (C) 2007-2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
 ** Licensees holding a valid Qt License Agreement may use this file in
 ** accordance with the rights, responsibilities and obligations
 ** contained therein.  Please consult your licensing agreement or
 ** contact qt-sales@nokia.com if any conditions of this licensing
 ** agreement are not clear to you.
 **
 ** Further information about Qt licensing is available at:
 ** http://trolltech.com/products/appdev/licensing.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ****************************************************************************/

 #include <QtGui>
 #include "finddialog.h"

 FindDialog::FindDialog(QWidget *parent)
     : QDialog(parent)
 {
     QLabel *findLabel = new QLabel(tr("Enter the name of a contact:"));
     lineEdit = new QLineEdit;

     findButton = new QPushButton(tr("&Find"));
     findText = "";

     QHBoxLayout *layout = new QHBoxLayout;
     layout->addWidget(findLabel);
     layout->addWidget(lineEdit);
     layout->addWidget(findButton);

     setLayout(layout);
     setWindowTitle(tr("Find a Contact"));
     connect(findButton, SIGNAL(clicked()), this, SLOT(findClicked()));
     connect(findButton, SIGNAL(clicked()), this, SLOT(accept()));
 }

 void FindDialog::findClicked()
 {
     QString text = lineEdit->text();

     if (text.isEmpty()) {
         QMessageBox::information(this, tr("Empty Field"),
             tr("Please enter a name."));
         return;
     } else {
         findText = text;
         lineEdit->clear();
         hide();
     }
 }

 QString FindDialog::getFindText()
 {
     return findText;
 }