QvisColorTableButton.h 4.1 KB
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/*****************************************************************************
*
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* Copyright (c) 2000 - 2007, The Regents of the University of California
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* Produced at the Lawrence Livermore National Laboratory
* All rights reserved.
*
* This file is part of VisIt. For details, see http://www.llnl.gov/visit/. The
* 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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*    this list of conditions and the disclaimer below.
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*    documentation and/or 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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#ifndef QVIS_COLORTABLE_BUTTON_H
#define QVIS_COLORTABLE_BUTTON_H
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#include <winutil_exports.h>
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#include <vector>
#include <qpushbutton.h>

// Forward declarations.
class QPopupMenu;

// ****************************************************************************
// Class: QvisColorTableButton
//
// Purpose:
//   This is a type of push button that is aware of the different color tables
//   that can be used for plots.
//
// Notes:      
//
// Programmer: Brad Whitlock
// Creation:   Wed Jun 20 12:37:24 PDT 2001
//
// Modifications:
//   Brad Whitlock, Thu Feb 14 13:37:41 PST 2002
//   Added a counter.
//
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//   Brad Whitlock, Tue Feb 20 11:47:37 PDT 2007
//   Changed API.
//
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// ****************************************************************************

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class WINUTIL_API QvisColorTableButton : public QPushButton
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{
    Q_OBJECT

    typedef std::vector<QvisColorTableButton *> ColorTableButtonVector;
public:
    QvisColorTableButton(QWidget *parent, const char *name = 0);
    virtual ~QvisColorTableButton();
    virtual QSize sizeHint() const;
    virtual QSizePolicy sizePolicy () const;

    void setColorTable(const QString &ctName);
    const QString &getColorTable() const;
    void useDefaultColorTable();

    // Methods to set the list of internal color tables.
    static void clearAllColorTables();
    static void addColorTable(const QString &ctName);
    static void updateColorTableButtons();
signals:
    void selectedColorTable(bool useDefault, const QString &ctName);
private slots:
    void popupPressed();
    void colorTableSelected(int index);
private:
    static int  getColorTableIndex(const QString &ctName);
    static void regeneratePopupMenu();

    QString                        colorTable;

    static int                     numInstances;
    static QPopupMenu             *colorTablePopup;
    static bool                    popupHasEntries;
    static ColorTableButtonVector  buttons;

    static int                     numColorTableNames;
    static QString                *colorTableNames;
};

#endif