annotate widgets/ProgressDialog.h @ 1534:bfd8b22fd67c

Fix #1904 Scrolling colour 3d plot does not always work when in View normalisation mode. We shouldn't imagine we've just invalidated the cache if the truth is that we've only just created the renderer

/* -*- 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 SV_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();

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

    bool wasCancelled() const override;

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

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

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

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

#endif