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calculatorform.cpp Example File
^{designer/calculatorbuilder/calculatorform.cpp}

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    **
    ** This file is part of the documentation of the Qt Toolkit.
    **
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    ** License version 2.0 as published by the Free Software Foundation
    ** and appearing in the file LICENSE.GPL included in the packaging of
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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()));
    }