calculatorform.cpp Example File

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  #include <QtUiTools>
  #include <QSpinBox>
  #include <QLabel>
  #include <QVBoxLayout>
  #include <QFile>

  #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 = findChild<QSpinBox*>("inputSpinBox1");
      ui_inputSpinBox2 = findChild<QSpinBox*>("inputSpinBox2");
      ui_outputWidget = findChild<QLabel*>("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()));
  }