QT + menu bar and toolbar

#include "mainwindow.h"

#include <QMenuBar> // menu bar required header file 
#include <QMenu> // menu 

#include <QAction> 
#include <QDebug> 
#include <QToolBar> 
#include <QPushButton> 
MainWindow :: MainWindow (QWidget * parent)
    : QMainWindow(parent)
{
    // menu bar 
    QMenuBar * mBar = menuBar ();
         // add menu 
         QMenu * pFile mBar- => AddMenu ( " file " );
         // add menu items to add action 
        QAction * PNEW = pFile -> addAction ( " New " ) ;

        connect(pNew,&QAction::triggered,[=](){
             qDebug () << " New is pressed !! " ;
         });

         , pFile -> addSeparator (); // add the dividing line 

        The QAction * = popen, pFile -> the addAction ( " open " );

    // shortcut toolbar menu items 
    QToolBar * toolBar = AddToolbar ( " toobar " );
         // toolbar to add shortcuts 
    toolBar -> addAction (PNEW);

        // to add a small toolbar controls, look good points, add a little button right here ...... 
        QPushButton * b = new new QPushButton ( the this );
        B -> the setText ( " ^ _ ^ " );
         // add small control 
        toolBar -> addWidget (B);
         // click the button, button display becomes 123 
        Connect (B, the QPushButton :: & clicked, [= ] ( ) {
            b->setText("123");
        });

    // status bar
     // core controls
     // floating window 
}

MainWindow :: ~ MainWindow ()
{

}

 

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = 0);
    ~MainWindow();
};

#endif // MAINWINDOW_H