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# main.cpp Example File
activeqt/webbrowser/main.cpp

    /****************************************************************************
    **
    ** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
    **
    ** This file is part of the example classes of the Qt Toolkit.
    **
    ** Licensees holding valid Qt Preview licenses may use this file in
    ** accordance with the Qt Preview License Agreement provided with the
    ** Software.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    ** information about Qt Commercial License Agreements.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ****************************************************************************/

    #include <QApplication>
    #include <QMessageBox>
    #include <QProgressBar>
    #include <QStatusBar>
    #include <QMainWindow>

    #include "ui_mainwindow.h"

    class MainWindow : public QMainWindow, public Ui::MainWindow
    {
        Q_OBJECT
    public:
        MainWindow();

    public slots:
        void on_WebBrowser_TitleChange(const QString &title);
        void on_WebBrowser_ProgressChange(int a, int b);
        void on_WebBrowser_CommandStateChange(int cmd, bool on);
        void on_WebBrowser_BeforeNavigate();
        void on_WebBrowser_NavigateComplete(QString);

        void on_actionGo_triggered();
        void on_actionNewWindow_triggered();
        void on_actionAbout_triggered();
        void on_actionAboutQt_triggered();

    private:
        QProgressBar *pb;
    };

    MainWindow::MainWindow()
    {
        setupUi(this);

        connect(addressEdit, SIGNAL(returnPressed()), actionGo, SLOT(trigger()));
        connect(actionBack, SIGNAL(triggered()), WebBrowser, SLOT(GoBack()));
        connect(actionForward, SIGNAL(triggered()), WebBrowser, SLOT(GoForward()));
        connect(actionStop, SIGNAL(triggered()), WebBrowser, SLOT(Stop()));
        connect(actionRefresh, SIGNAL(triggered()), WebBrowser, SLOT(Refresh()));
        connect(actionHome, SIGNAL(triggered()), WebBrowser, SLOT(GoHome()));
        connect(actionSearch, SIGNAL(triggered()), WebBrowser, SLOT(GoSearch()));

        pb = new QProgressBar(statusBar());
        pb->setTextVisible(false);
        pb->hide();
        statusBar()->addPermanentWidget(pb);

        WebBrowser->dynamicCall("GoHome()");
    }

    void MainWindow::on_WebBrowser_TitleChange(const QString &title)
    {
        setWindowTitle("Qt WebBrowser - " + title);
    }

    void MainWindow::on_WebBrowser_ProgressChange(int a, int b)
    {
        if (a <= 0 || b <= 0) {
            pb->hide();
            return;
        }
        pb->show();
        pb->setRange(0, b);
        pb->setValue(a);
    }

    void MainWindow::on_WebBrowser_CommandStateChange(int cmd, bool on)
    {
        switch (cmd) {
        case 1:
            actionForward->setEnabled(on);
            break;
        case 2:
            actionBack->setEnabled(on);
            break;
        }
    }

    void MainWindow::on_WebBrowser_BeforeNavigate()
    {
        actionStop->setEnabled(true);
    }

    void MainWindow::on_WebBrowser_NavigateComplete(QString)
    {
        actionStop->setEnabled(false);
    }

    void MainWindow::on_actionGo_triggered()
    {
        WebBrowser->dynamicCall("Navigate(const QString&)", addressEdit->text());
    }

    void MainWindow::on_actionNewWindow_triggered()
    {
        MainWindow *window = new MainWindow;
        window->show();
        if (addressEdit->text().isEmpty())
            return;
        window->addressEdit->setText(addressEdit->text());
        window->actionStop->setEnabled(true);
        window->on_actionGo_triggered();
    }

    void MainWindow::on_actionAbout_triggered()
    {
        QMessageBox::about(this, tr("About WebBrowser"),
                    tr("This Example has been created using the ActiveQt integration into Qt Designer.\n"
                       "It demonstrates the use of QAxWidget to embed the Internet Explorer ActiveX\n"
                       "control into a Qt application."));
    }

    void MainWindow::on_actionAboutQt_triggered()
    {
        QMessageBox::aboutQt(this, tr("About Qt"));
    }

    #include "main.moc"

    int main(int argc, char ** argv)
    {
        QApplication a(argc, argv);
        MainWindow w;
        w.show();
        return a.exec();
    }