PushButton.h

#pragma once
#include <QFrame>
#include <QLabel>
#include <QMainWindow>
#include <QPushButton>

namespace Examples {
  class Window1 : public QMainWindow {
    Q_OBJECT
  public:
    Window1() {
      pushButton1.setText("button1");
      pushButton1.move(50, 50);
      connect(&pushButton1, &QPushButton::clicked, [&] {
        label1.setText(QString("button1 clicked %1 times").arg(++button1Clicked));
       });

      pushButton2.setText("button2");
      pushButton2.setAutoRepeat(true);
      pushButton2.move(50, 100);
      pushButton2.resize(200, 75);
      connect(&pushButton2, &QPushButton::clicked, [&] {
        label2.setText(QString("button2 clicked %1 times").arg(++button2Clicked));
       });

      label1.setText("button1 clicked 0 times");
      label1.move(50, 200);
      label1.resize(200, 20);

      label2.setText("button2 clicked 0 times");
      label2.move(50, 230);
      label2.resize(200, 20);

      setCentralWidget(&frame);
      setWindowTitle("Push button example");
      resize(300, 300);
    }

  private:
    QFrame frame;
    QPushButton pushButton1 {&frame};
    QPushButton pushButton2 {&frame};
    QLabel label1 {&frame};
    QLabel label2 {&frame};
    int button1Clicked = 0;
    int button2Clicked = 0;
  };
}