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calculatorform.cpp Example File
designer/calculatorbuilder/calculatorform.cpp

 /****************************************************************************
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 ** Copyright (C) 2005-2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
 **
 ** This file is part of the documentation of the Qt Toolkit.
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 ** 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 [email protected] if any conditions of this licensing
 ** agreement are not clear to you.
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 ** http://trolltech.com/products/appdev/licensing.
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 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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 #include <QtUiTools>
 #include <QtGui>

 #include "calculatorform.h"

 CalculatorForm::CalculatorForm(QWidget *parent)
     : QWidget(parent)
 {
     QUiLoader loader;

     QFile file(":/forms/calculatorform.ui");
     file.open(QFile::ReadOnly);
     QWidget *formWidget = loader.load(&file, this);
     file.close();

     ui_inputSpinBox1 = qFindChild<QSpinBox*>(this, "inputSpinBox1");
     ui_inputSpinBox2 = qFindChild<QSpinBox*>(this, "inputSpinBox2");
     ui_outputWidget = qFindChild<QLabel*>(this, "outputWidget");

     QMetaObject::connectSlotsByName(this);

     QVBoxLayout *layout = new QVBoxLayout;
     layout->addWidget(formWidget);
     setLayout(layout);

     setWindowTitle(tr("Calculator Builder"));
 }

 void CalculatorForm::on_inputSpinBox1_valueChanged(int value)
 {
     ui_outputWidget->setText(QString::number(value + ui_inputSpinBox2->value()));
 }

 void CalculatorForm::on_inputSpinBox2_valueChanged(int value)
 {
     ui_outputWidget->setText(QString::number(value + ui_inputSpinBox1->value()));
 }


Copyright © 2008 Nokia Corporation and/or its subsidiary(-ies) Trademarks
Qt 4.4.3