Function qwtSetTabOrder

3rdparty/qwt/src/qwt_plot.cpp:39–85

}

static void qwtSetTabOrder(
    QWidget* first, QWidget* second, bool withChildren )
{
    QList< QWidget* > tabChain;
    tabChain += first;
    tabChain += second;

    if ( withChildren )
    {
        QList< QWidget* > children = second->findChildren< QWidget* >();

        QWidget* w = second->nextInFocusChain();
        while ( children.contains( w ) )
        {
            children.removeAll( w );

            tabChain += w;
            w = w->nextInFocusChain();
        }
    }

    for ( int i = 0; i < tabChain.size() - 1; i++ )
    {
        QWidget* from = tabChain[i];
        QWidget* to = tabChain[i + 1];

        const Qt::FocusPolicy policy1 = from->focusPolicy();
        const Qt::FocusPolicy policy2 = to->focusPolicy();

        QWidget* proxy1 = from->focusProxy();
        QWidget* proxy2 = to->focusProxy();

        from->setFocusPolicy( Qt::TabFocus );
        from->setFocusProxy( NULL);

        to->setFocusPolicy( Qt::TabFocus );
        to->setFocusProxy( NULL);

        QWidget::setTabOrder( from, to );

        from->setFocusPolicy( policy1 );
        from->setFocusProxy( proxy1);

        to->setFocusPolicy( policy2 );
        to->setFocusProxy( proxy2 );
    }
}

class QwtPlot::PrivateData
{