progress bar

#ifndef BROWSER_H
#define BROWSER_H
 
#include <QMainWindow>
class QWebView;
class QLineEdit;
class QPushButton;
class QProgressBar;
 
class browser : public QMainWindow
{
    Q_OBJECT
 
public:
    browser();
 
public slots:
    void load();
 
private:
    QWebView *view;
    QToolBar *fileToolBar;
    QLineEdit *adress;
    QPushButton *backward, *forward, *reload, *stop;
    QProgressBar *progress;
};
 
#endif

#include "browser.h"
#include "ui_browser.h"
 
#include <QtGui>
#include <QtWebKit>
#include <QTextCodec>
 
browser::browser()
{
    view = new QWebView(this);
    view->load(QUrl(" "));
    setCentralWidget(view);
 
    QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));
    fileToolBar = addToolBar(tr("Файл"));
    adress = new QLineEdit(fileToolBar);
    fileToolBar->addWidget(adress);
    backward = new QPushButton(tr("Назад"), fileToolBar);
    fileToolBar->addWidget(backward);
    forward = new QPushButton(tr("Вперед"), fileToolBar);
    fileToolBar->addWidget(forward);
    reload = new QPushButton(tr("Перегрузить"), fileToolBar);
    fileToolBar->addWidget(reload);
    stop = new QPushButton(tr("Остановить"), fileToolBar);
    fileToolBar->addWidget(stop);
 
    progress = new QProgressBar(fileToolBar);
    fileToolBar->addWidget(progress);
    connect(view,SIGNAL(loadProgressChanged(int)),progress,SLOT(setValue(int)));
    connect(adress,SIGNAL(returnPressed()),this,SLOT(load()));
    connect(backward,SIGNAL(clicked()),view,SLOT(backward()));
    connect(forward,SIGNAL(clicked()),view,SLOT(forward()));
    connect(reload,SIGNAL(clicked()),view,SLOT(reload()));
    connect(stop,SIGNAL(clicked()),view,SLOT(stop()));
}
 
 
void browser::load()
{
    QString name("http://" + adress->text());
    view->load(QUrl(name));
}

#include <QApplication>
#include "browser.h"
 
int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    browser wnd;
    wnd.setWindowTitle("Stasik Browser");
    wnd.show();
    return app.exec();
}

...
QStatusBar * status = view::statusBar();

QStatusBar * status = statusBar();