mainwindow.cpp

#include "mainwindow.h"

#include <QAction>
#include <QMenuBar>
#include <QStatusBar>

MainWindow::MainWindow(QWidget * parent)
    : QMainWindow(parent)
{

    setWindowTitle("Basic Application");

    setMinimumSize(800, 450);


    QMenuBar * menuBar = new QMenuBar(this);
    setMenuBar(menuBar);


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


    QAction * action = new QAction("&New", this);
    connect(action, &QAction::triggered, this, &MainWindow::OnFileNew);
    menu->addAction(action);

    action = new QAction("&Open", this);
    connect(action, &QAction::triggered, this, &MainWindow::OnFileOpen);
    menu->addAction(action);


    action = new QAction("&Save", this);
    connect(action, &QAction::triggered, this, &MainWindow::OnFileSave);
    menu->addAction(action);


    menu->addSeparator();


    action = new QAction("&Exit", this);
    connect(action, &QAction::triggered, this, &MainWindow::close);
    menu->addAction(action);


    QStatusBar * statusBar = new QStatusBar(this);
    setStatusBar(statusBar);
}


void MainWindow::OnFileNew()
{
    statusBar()->showMessage("File -> New");
}

void MainWindow::OnFileOpen()
{
    statusBar()->showMessage("File -> Open");
}

void MainWindow::OnFileSave()
{
    statusBar()->showMessage("File -> Save");
}