view widgets/ProgressDialog.h @ 1386:fc3d89f88690 spectrogramparam

Use log-frequency rather than log-bin for calculating x coord in spectrum. This has the advantage that frequency positions don't move when we change the window size or oversampling ratio, but it does give us an unhelpfully large amount of space for very low frequencies - to be considered

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2007-2008 QMUL.
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef _PROGRESS_DIALOG_H_

#include "base/ProgressReporter.h"

class QProgressDialog;
class QTimer;

class ProgressDialog : public ProgressReporter
{
    Q_OBJECT
    
public:
    ProgressDialog(QString message,
                   bool cancellable,
                   int timeBeforeShow = 0,
                   QWidget *parent = 0,
                   Qt::WindowModality modality = Qt::NonModal);
    virtual ~ProgressDialog();

    virtual bool isDefinite() const;
    virtual void setDefinite(bool definite);

    virtual bool wasCancelled() const;

signals:
    void showing();
    void cancelled();

public slots:
    virtual void setMessage(QString text);
    virtual void setProgress(int percentage);

protected slots:
    virtual void showTimerElapsed();
    void canceled();

protected:
    QProgressDialog *m_dialog;
    QTimer *m_showTimer;
    bool m_timerElapsed;
    bool m_cancelled;
};

#endif