/*
    KmPlot - a math. function plotter for the KDE-Desktop

    SPDX-FileCopyrightText: 2004 Fredrik Edemar <f_edemar@linux.se>
    SPDX-FileCopyrightText: 2006 David Saxton <david@bluehaze.org>

    This file is part of the KDE Project.
    KmPlot is part of the KDE-EDU Project.

    SPDX-License-Identifier: GPL-2.0-or-later

*/

#ifndef kmplotprogress_included
#define kmplotprogress_included

#include <QWidget>

class QPushButton;
class QProgressBar;
class QTimer;

/// The progress-widget in the statusbar which appears when drawing integrals
class KmPlotProgress : public QWidget
{
    Q_OBJECT
public:
    explicit KmPlotProgress(QWidget *parent = nullptr);
    ~KmPlotProgress();
    /**
     * Sets proportion done (\p progress should be between 0 and 1). The
     * progress bar won't be shown immediately, but only after a small
     * delay.
     *
     * If \p progress is >= 1, then this progress bar will be hidden.
     */
    void setProgress(double progress);

Q_SIGNALS:
    /**
     * Emitted when the stop button is clicked.
     */
    void cancelDraw();

private Q_SLOTS:
    /**
     * Called from timeout of m_showTimer.
     */
    void showProgressBar();

private:
    QTimer *m_showTimer;
    QPushButton *m_button;
    QProgressBar *m_progress;
};

#endif // kmplotprogress_included
