/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the tools applications of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#ifndef QTGRADIENTWIDGET_H

#define QTGRADIENTWIDGET_H

#include <QtGui/QWidget>

QT_BEGIN_NAMESPACE

class QtGradientWidget : public QWidget

{

    Q_OBJECT

    Q_PROPERTY(bool backgroundCheckered READ isBackgroundCheckered WRITE setBackgroundCheckered)

public:

    QtGradientWidget(QWidget *parent = 0);

    ~QtGradientWidget();

    QSize minimumSizeHint() const;

    QSize sizeHint() const;

    int heightForWidth(int w) const;

    bool isBackgroundCheckered() const;

    void setBackgroundCheckered(bool checkered);

    QGradientStops gradientStops() const;

    void setGradientType(QGradient::Type type);

    QGradient::Type gradientType() const;

    void setGradientSpread(QGradient::Spread spread);

    QGradient::Spread gradientSpread() const;

    void setStartLinear(const QPointF &point);

    QPointF startLinear() const;

    void setEndLinear(const QPointF &point);

    QPointF endLinear() const;

    void setCentralRadial(const QPointF &point);

    QPointF centralRadial() const;

    void setFocalRadial(const QPointF &point);

    QPointF focalRadial() const;

    void setRadiusRadial(qreal radius);

    qreal radiusRadial() const;

    void setCentralConical(const QPointF &point);

    QPointF centralConical() const;

    void setAngleConical(qreal angle);

    qreal angleConical() const;

public slots:

    void setGradientStops(const QGradientStops &stops);

signals:

    void startLinearChanged(const QPointF &point);

    void endLinearChanged(const QPointF &point);

    void centralRadialChanged(const QPointF &point);

    void focalRadialChanged(const QPointF &point);

    void radiusRadialChanged(qreal radius);

    void centralConicalChanged(const QPointF &point);

    void angleConicalChanged(qreal angle);

protected:

    void paintEvent(QPaintEvent *e);

    void mousePressEvent(QMouseEvent *e);

    void mouseReleaseEvent(QMouseEvent *e);

    void mouseMoveEvent(QMouseEvent *e);

    void mouseDoubleClickEvent(QMouseEvent *e);

private:

    QScopedPointer<class QtGradientWidgetPrivate> d_ptr;

    Q_DECLARE_PRIVATE(QtGradientWidget)

    Q_DISABLE_COPY(QtGradientWidget)

};

QT_END_NAMESPACE

#endif