QvisAnimationSlider.h 3.28 KB
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/*****************************************************************************
*
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* Copyright (c) 2000 - 2014, Lawrence Livermore National Security, LLC
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* Produced at the Lawrence Livermore National Laboratory
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* LLNL-CODE-442911
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* All rights reserved.
*
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* This file is  part of VisIt. For  details, see https://visit.llnl.gov/.  The
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* full copyright notice is contained in the file COPYRIGHT located at the root
* of the VisIt distribution or at http://www.llnl.gov/visit/copyright.html.
*
* Redistribution  and  use  in  source  and  binary  forms,  with  or  without
* modification, are permitted provided that the following conditions are met:
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*  - Redistributions of  source code must  retain the above  copyright notice,
*    this list of conditions and the disclaimer below.
*  - Redistributions in binary form must reproduce the above copyright notice,
*    this  list of  conditions  and  the  disclaimer (as noted below)  in  the
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*    documentation and/or other materials provided with the distribution.
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*    specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT  HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR  IMPLIED WARRANTIES, INCLUDING,  BUT NOT  LIMITED TO, THE
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* ARE  DISCLAIMED. IN  NO EVENT  SHALL LAWRENCE  LIVERMORE NATIONAL  SECURITY,
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* DAMAGES (INCLUDING, BUT NOT  LIMITED TO, PROCUREMENT OF  SUBSTITUTE GOODS OR
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#ifndef QVIS_ANIMATION_SLIDER_H
#define QVIS_ANIMATION_SLIDER_H
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#include <QSlider>
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// ****************************************************************************
// Class: QvisAnimationSlider
//
// Purpose:
//   Special purpose slider that does not emit valueChanged signals while
//   the slider is being paged.
//
// Notes:      
//
// Programmer: Brad Whitlock
// Creation:   Tue Dec 30 14:26:22 PST 2003
//
// Modifications:
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//   Brad Whitlock, Fri May 30 09:48:45 PDT 2008
//   Qt 4.
//
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// ****************************************************************************

class QvisAnimationSlider : public QSlider
{
    Q_OBJECT
public:
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    QvisAnimationSlider(Qt::Orientation, QWidget *parent = 0);
    QvisAnimationSlider(QWidget *parent = 0);
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    virtual ~QvisAnimationSlider();

    bool sliderIsDown() const { return the_sliderIsDown; };

signals:
    void sliderValueChanged(int);
    void sliderWasReleased();
protected slots:
    void handleValueChanged(int);
    void handleSliderReleased();
protected:
    virtual void mousePressEvent(QMouseEvent *);
    virtual void mouseReleaseEvent(QMouseEvent *);

    bool the_sliderIsDown;
    bool emittedSignal;
};

#endif