#include <QMenu>

#include <QMenuBar>

#include <QStatusBar>

#include "checkable.h"

Checkable::Checkable(QWidget *parent)

: QMainWindow(parent) {

viewst = new QAction("&View statusbar", this);

viewst->setCheckable(true);

viewst->setChecked(true);

QMenu *file = menuBar()->addMenu("&File");

file->addAction(viewst);

statusBar();

connect(viewst, &QAction::triggered, this, &Checkable::toggleStatusbar);

}

void Checkable::toggleStatusbar() {

if (viewst->isChecked()) {

statusBar()->show();

} else {

statusBar()->hide();

}

}