chasewidget.h Example File | Qt WebKit Examples 5.4

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# chasewidget.h Example File

webkitwidgets/browser/chasewidget.h

    /****************************************************************************
    **
    ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
    ** Contact: http://www.qt-project.org/legal
    **
    ** This file is part of the demonstration applications of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:LGPL21$
    ** Commercial License Usage
    ** Licensees holding valid commercial Qt licenses may use this file in
    ** accordance with the commercial license agreement provided with the
    ** Software or, alternatively, in accordance with the terms contained in
    ** a written agreement between you and Digia. For licensing terms and
    ** conditions see http://qt.digia.com/licensing. For further information
    ** use the contact form at http://qt.digia.com/contact-us.
    **
    ** 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 or version 3 as published by the Free
    ** Software Foundation and appearing in the file LICENSE.LGPLv21 and
    ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
    ** following information to ensure the GNU Lesser General Public License
    ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
    ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    **
    ** In addition, as a special exception, Digia gives you certain additional
    ** rights. These rights are described in the Digia Qt LGPL Exception
    ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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    ****************************************************************************/

    #ifndef CHASEWIDGET_H
    #define CHASEWIDGET_H

    #include <QtWidgets/QWidget>

    #include <QtCore/QSize>
    #include <QtGui/QColor>
    #include <QtGui/QPixmap>

    class QHideEvent;
    class QShowEvent;
    class QPaintEvent;
    class QTimerEvent;

    class ChaseWidget : public QWidget
    {
        Q_OBJECT
    public:
        ChaseWidget(QWidget *parent = 0, QPixmap pixmap = QPixmap(), bool pixmapEnabled = false);

        void setAnimated(bool value);
        void setPixmapEnabled(bool enable);
        QSize sizeHint() const;

    protected:
        void paintEvent(QPaintEvent *event);
        void timerEvent(QTimerEvent *event);

    private:
        int segmentCount() const;
        QColor colorForSegment(int segment) const;

        int m_segment;
        int m_delay;
        int m_step;
        int m_timerId;
        bool m_animated;
        QPixmap m_pixmap;
        bool m_pixmapEnabled;
    };

    #endif