menu-menu-cpp.html

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    ~MyMenuItem(){}

    void paint( <a name="QPainter"></a><a href="qpainter.html">QPainter</a>* p, const QColorGroup&amp; /*cg*/, bool /*act*/, bool /*enabled*/, int x, int y, int w, int h )
    {
        p-&gt;<a name="setFont"></a><a href="qpainter.html#998df2">setFont</a> ( font );
        p-&gt;<a name="drawText"></a><a href="qpainter.html#0f088f">drawText</a>( x, y, w, h, AlignLeft | AlignVCenter | ShowPrefix | DontClip, string );
    }

    <a name="QSize"></a><a href="qsize.html">QSize</a> sizeHint()
    {
        return QFontMetrics( font ).size( AlignLeft | AlignVCenter | ShowPrefix | DontClip,  string );
    }
private:
    <a name="QString"></a><a href="qstring.html">QString</a> string;
    <a name="QFont"></a><a href="qfont.html">QFont</a> font;
};

MenuExample::MenuExample( <a name="QWidget"></a><a href="qwidget.html">QWidget</a> *parent, const char *name )
    : <a href="qwidget.html">QWidget</a>( parent, name )
{
    <a name="QPixmap"></a><a href="qpixmap.html">QPixmap</a> p1( p1_xpm );
    <a href="qpixmap.html">QPixmap</a> p2( p2_xpm );
    <a href="qpixmap.html">QPixmap</a> p3( p3_xpm );

    <a name="QPopupMenu"></a><a href="qpopupmenu.html">QPopupMenu</a> *print = new <a href="qpopupmenu.html">QPopupMenu</a>( this );
    CHECK_PTR( print );
    print-&gt;<a name="insertTearOffHandle"></a><a href="qpopupmenu.html#27032b">insertTearOffHandle</a>();
    print-&gt;<a name="insertItem"></a><a href="qmenudata.html#deddb9">insertItem</a>( "&amp;Print to printer", this, SLOT(<a name="printer"></a><a href="#327">printer</a>()) );
    print-&gt;<a href="qmenudata.html#deddb9">insertItem</a>( "Print to &amp;file", this, SLOT(<a name="file"></a><a href="#328">file</a>()) );
    print-&gt;<a href="qmenudata.html#deddb9">insertItem</a>( "Print to fa&amp;x", this, SLOT(<a name="fax"></a><a href="#329">fax</a>()) );
    print-&gt;<a name="insertSeparator"></a><a href="qmenudata.html#e34b79">insertSeparator</a>();
    print-&gt;<a href="qmenudata.html#deddb9">insertItem</a>( "Printer &amp;Setup", this, SLOT(<a name="printerSetup"></a><a href="#330">printerSetup</a>()) );

    <a href="qpopupmenu.html">QPopupMenu</a> *file = new <a href="qpopupmenu.html">QPopupMenu</a>( this );
    CHECK_PTR( file );
    file-&gt;<a href="qmenudata.html#deddb9">insertItem</a>( p1, "&amp;Open",  this, SLOT(<a name="open"></a><a href="#316">open</a>()), CTRL+Key_O );
    file-&gt;<a href="qmenudata.html#deddb9">insertItem</a>( p2, "&amp;New", this, SLOT(<a name="news"></a><a href="#317">news</a>()), CTRL+Key_N );
    file-&gt;<a href="qmenudata.html#deddb9">insertItem</a>( p3, "&amp;Save", this, SLOT(<a name="save"></a><a href="#318">save</a>()), CTRL+Key_S );
    file-&gt;<a href="qmenudata.html#deddb9">insertItem</a>( "&amp;Close", this, SLOT(<a name="closeDoc"></a><a href="#319">closeDoc</a>()), CTRL+Key_W );
    file-&gt;<a href="qmenudata.html#e34b79">insertSeparator</a>();
    file-&gt;<a href="qmenudata.html#deddb9">insertItem</a>( "&amp;Print", print, CTRL+Key_P );
    file-&gt;<a href="qmenudata.html#e34b79">insertSeparator</a>();
    file-&gt;<a href="qmenudata.html#deddb9">insertItem</a>( "E&amp;xit",  qApp, SLOT(quit()), CTRL+Key_Q );

    <a href="qpopupmenu.html">QPopupMenu</a> *edit = new <a href="qpopupmenu.html">QPopupMenu</a>( this );
    CHECK_PTR( edit );
    int undoID = edit-&gt;<a href="qmenudata.html#deddb9">insertItem</a>( "&amp;Undo", this, SLOT(<a name="undo"></a><a href="#320">undo</a>()) );
    int redoID = edit-&gt;<a href="qmenudata.html#deddb9">insertItem</a>( "&amp;Redo", this, SLOT(<a name="redo"></a><a href="#321">redo</a>()) );
    edit-&gt;<a name="setItemEnabled"></a><a href="qmenudata.html#c9a23c">setItemEnabled</a>( undoID, FALSE );
    edit-&gt;<a href="qmenudata.html#c9a23c">setItemEnabled</a>( redoID, FALSE );

    <a href="qpopupmenu.html">QPopupMenu</a>* options = new <a href="qpopupmenu.html">QPopupMenu</a>( this );
    CHECK_PTR( options );
    options-&gt;<a href="qpopupmenu.html#27032b">insertTearOffHandle</a>();
    options-&gt;<a name="setCaption"></a><a href="qwidget.html#d6a291">setCaption</a>("Options");
    options-&gt;<a href="qmenudata.html#deddb9">insertItem</a>( "&amp;Normal Font", this, SLOT(<a name="normal"></a><a href="#322">normal</a>()) );
    options-&gt;<a href="qmenudata.html#e34b79">insertSeparator</a>();

    options-&gt;<a name="polish"></a><a href="qwidget.html#c14a09">polish</a>(); // adjust system settings
    <a href="qfont.html">QFont</a> f = options-&gt;<a name="font"></a><a href="qwidget.html#167922">font</a>();
    f.<a name="setBold"></a><a href="qfont.html#ec241e">setBold</a>( TRUE );
    boldID = options-&gt;<a href="qmenudata.html#deddb9">insertItem</a>( new MyMenuItem( "Bold", f ) );
    options-&gt;<a name="setAccel"></a><a href="qmenudata.html#58b23b">setAccel</a>( CTRL+Key_B, boldID );
    options-&gt;<a name="connectItem"></a><a href="qmenudata.html#d7f757">connectItem</a>( boldID, this, SLOT(<a name="bold"></a><a href="#323">bold</a>()) );
    f = font();
    f.<a name="setUnderline"></a><a href="qfont.html#c11804">setUnderline</a>( TRUE );
    underlineID = options-&gt;<a href="qmenudata.html#deddb9">insertItem</a>( new MyMenuItem( "Underline", f ) );
    options-&gt;<a href="qmenudata.html#58b23b">setAccel</a>( CTRL+Key_U, underlineID );
    options-&gt;<a href="qmenudata.html#d7f757">connectItem</a>( underlineID, this, SLOT(<a name="underline"></a><a href="#324">underline</a>()) );

    isBold = FALSE;
    isUnderline = FALSE;
    options-&gt;<a name="setCheckable"></a><a href="qpopupmenu.html#672d77">setCheckable</a>( TRUE );

    <a href="qpopupmenu.html">QPopupMenu</a> *help = new <a href="qpopupmenu.html">QPopupMenu</a>( this );
    CHECK_PTR( help );
    help-&gt;<a href="qmenudata.html#deddb9">insertItem</a>( "&amp;About", this, SLOT(<a name="about"></a><a href="#325">about</a>()), CTRL+Key_H );
    help-&gt;<a href="qmenudata.html#deddb9">insertItem</a>( "About &amp;<a name="Qt"></a><a href="qt.html">Qt</a>", this, SLOT(<a name="aboutQt"></a><a href="#326">aboutQt</a>()) );

    menu = new <a name="QMenuBar"></a><a href="qmenubar.html">QMenuBar</a>( this );
    CHECK_PTR( menu );
    menu-&gt;insertItem( "&amp;File", file );
    menu-&gt;insertItem( "&amp;Edit", edit );
    menu-&gt;insertItem( "&amp;Options", options );
    menu-&gt;insertSeparator();
    menu-&gt;insertItem( "&amp;Help", help );
    menu-&gt;setSeparator( QMenuBar::InWindowsStyle );

    label = new <a name="QLabel"></a><a href="qlabel.html">QLabel</a>( this );
    CHECK_PTR( label );
    label-&gt;setGeometry( 20, <a name="rect"></a><a href="qwidget.html#75ae71">rect</a>().center().y()-20, <a name="width"></a><a href="qwidget.html#2edab1">width</a>()-40, 40 );
    label-&gt;setFrameStyle( QFrame::Box | QFrame::Raised );
    label-&gt;setLineWidth( 1 );
    label-&gt;setAlignment( AlignCenter );

    <a name="connect"></a><a href="qobject.html#fbde73">connect</a>( this,  SIGNAL(explain(const QString&amp;)),
             label, SLOT(setText(const QString&amp;)) );

    <a name="setMinimumSize"></a><a href="qwidget.html#c0b5fb">setMinimumSize</a>( 100, 80 );
}

void <a name="316"></a>MenuExample::open()
{
    emit explain( "File/Open selected" );
}

void <a name="317"></a>MenuExample::news()
{
    emit explain( "File/New selected" );
}

void <a name="318"></a>MenuExample::save()
{
    emit explain( "File/Save selected" );
}

void <a name="319"></a>MenuExample::closeDoc()
{
    emit explain( "File/Close selected" );
}

void <a name="320"></a>MenuExample::undo()
{
    emit explain( "Edit/Undo selected" );
}

void <a name="321"></a>MenuExample::redo()
{
    emit explain( "Edit/Redo selected" );
}

void <a name="322"></a>MenuExample::normal()
{
    isBold = FALSE;
    isUnderline = FALSE;
    menu-&gt;setItemChecked( boldID, isBold );
    menu-&gt;setItemChecked( underlineID, isUnderline );
    emit explain( "Options/Normal selected" );
}

void <a name="323"></a>MenuExample::bold()
{
    isBold = !isBold;
    menu-&gt;setItemChecked( boldID, isBold );
    emit explain( "Options/Bold selected" );
}

void <a name="324"></a>MenuExample::underline()
{
    isUnderline = !isUnderline;
    menu-&gt;setItemChecked( underlineID, isUnderline );
    emit explain( "Options/Underline selected" );
}

void <a name="325"></a>MenuExample::about()
{
    <a name="QMessageBox::about"></a><a href="qmessagebox.html#f6c3cd">QMessageBox::about</a>( this, "Qt Menu Example",
                        "This example demonstrates simple use of Qt menus.\n"
                        "You can cut and paste lines from it to your own\n"
                        "programs." );
}

void <a name="326"></a>MenuExample::aboutQt()
{
    <a name="QMessageBox::aboutQt"></a><a href="qmessagebox.html#b72270">QMessageBox::aboutQt</a>( this, "Qt Menu Example" );
}

void <a name="327"></a>MenuExample::printer()
{
    emit explain( "File/Printer/Print selected" );
}

void <a name="328"></a>MenuExample::file()
{
    emit explain( "File/Printer/Print To File selected" );
}

void <a name="329"></a>MenuExample::fax()
{
    emit explain( "File/Printer/Print To Fax selected" );
}

void <a name="330"></a>MenuExample::printerSetup()
{
    emit explain( "File/Printer/Printer Setup selected" );
}

void <a name="331"></a>MenuExample::resizeEvent( <a name="QResizeEvent"></a><a href="qresizeevent.html">QResizeEvent</a> * )
{
    label-&gt;setGeometry( 20, <a href="qwidget.html#75ae71">rect</a>().center().y()-20, <a href="qwidget.html#2edab1">width</a>()-40, 40 );
}

int main( int argc, char ** argv )
{
    <a name="QApplication"></a><a href="qapplication.html">QApplication</a> a( argc, argv );
    MenuExample m;

    a.<a name="setMainWidget"></a><a href="qapplication.html#7ad759">setMainWidget</a>( &amp;m );
    m.<a href="qwidget.html#d6a291">setCaption</a>("Qt Examples - Menus");
    m.<a name="show"></a><a href="qwidget.html#200ee5">show</a>();
    return a.<a name="exec"></a><a href="qapplication.html#84c7bf">exec</a>();
}
</pre>
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