コード例 #1
0
ファイル: qwt_legend.cpp プロジェクト: 151706061/sofa
/*!
  \brief Create a widget to be inserted into the legend

  The default implementation returns a QwtLegendLabel.

  \param data Attributes of the legend entry
  \return Widget representing data on the legend
  
  \note updateWidget() will called soon after createWidget()
        with the same attributes.
 */
QWidget *QwtLegend::createWidget( const QwtLegendData &data ) const
{
    Q_UNUSED( data );

    QwtLegendLabel *label = new QwtLegendLabel();
    label->setItemMode( defaultItemMode() );

    connect( label, SIGNAL( clicked() ), SLOT( itemClicked() ) );
    connect( label, SIGNAL( checked( bool ) ), SLOT( itemChecked( bool ) ) );

    return label;
}
コード例 #2
0
ファイル: qwt_legend.cpp プロジェクト: 151706061/sofa
/*!
  \brief Update the widget 

  \param widget Usually a QwtLegendLabel
  \param data Attributes to be displayed

  \sa createWidget()
  \note When widget is no QwtLegendLabel updateWidget() does nothing.
 */
void QwtLegend::updateWidget( QWidget *widget, const QwtLegendData &data )
{
    QwtLegendLabel *label = qobject_cast<QwtLegendLabel *>( widget );
    if ( label )
    {
        label->setData( data );
        if ( !data.value( QwtLegendData::ModeRole ).isValid() )
        {
            // use the default mode, when there is no specific
            // hint from the legend data

            label->setItemMode( defaultItemMode() );
        }
    }
}