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# slidersgroup.cpp Example File
widgets/sliders/slidersgroup.cpp

    /****************************************************************************
    **
    ** Copyright (C) 2004-2006 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 <QtGui>

    #include "slidersgroup.h"

    SlidersGroup::SlidersGroup(Qt::Orientation orientation, const QString &title,
                               QWidget *parent)
        : QGroupBox(title, parent)
    {
        slider = new QSlider(orientation);
        slider->setFocusPolicy(Qt::StrongFocus);
        slider->setTickPosition(QSlider::TicksBothSides);
        slider->setTickInterval(10);
        slider->setSingleStep(1);

        scrollBar = new QScrollBar(orientation);
        scrollBar->setFocusPolicy(Qt::StrongFocus);

        dial = new QDial;
        dial->setFocusPolicy(Qt::StrongFocus);

        connect(slider, SIGNAL(valueChanged(int)), scrollBar, SLOT(setValue(int)));
        connect(scrollBar, SIGNAL(valueChanged(int)), dial, SLOT(setValue(int)));
        connect(dial, SIGNAL(valueChanged(int)), slider, SLOT(setValue(int)));
        connect(dial, SIGNAL(valueChanged(int)), this, SIGNAL(valueChanged(int)));

        QBoxLayout::Direction direction;

        if (orientation == Qt::Horizontal)
            direction = QBoxLayout::TopToBottom;
        else
            direction = QBoxLayout::LeftToRight;

        QBoxLayout *slidersLayout = new QBoxLayout(direction);
        slidersLayout->addWidget(slider);
        slidersLayout->addWidget(scrollBar);
        slidersLayout->addWidget(dial);
        setLayout(slidersLayout);
    }

    void SlidersGroup::setValue(int value)
    {
        slider->setValue(value);
    }

    void SlidersGroup::setMinimum(int value)
    {
        slider->setMinimum(value);
        scrollBar->setMinimum(value);
        dial->setMinimum(value);
    }

    void SlidersGroup::setMaximum(int value)
    {
        slider->setMaximum(value);
        scrollBar->setMaximum(value);
        dial->setMaximum(value);
    }

    void SlidersGroup::invertAppearance(bool invert)
    {
        slider->setInvertedAppearance(invert);
        scrollBar->setInvertedAppearance(invert);
        dial->setInvertedAppearance(invert);
    }

    void SlidersGroup::invertKeyBindings(bool invert)
    {
        slider->setInvertedControls(invert);
        scrollBar->setInvertedControls(invert);
        dial->setInvertedControls(invert);
    }