StatusWidget.cpp

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/*************************************************************************
       StatusWidget.cpp  -  little widget with status icons
                             -------------------
    begin                : Sat Apr 15 2006
    copyright            : (C) 2006 by Thomas Eschenbacher
    email                : Thomas.Eschenbacher@gmx.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#include "config.h"

#include <QPainter>
#include <QPixmap>

#include "libkwave/Utils.h"

#include "StatusWidget.h"

//***************************************************************************
Kwave::StatusWidget::StatusWidget(QWidget *parent)
    :QWidget(parent), m_pixmaps(), m_index(0), m_timer()
{
    connect(&m_timer, SIGNAL(timeout()),
            this, SLOT(nextPixmap()));
}

//***************************************************************************
Kwave::StatusWidget::~StatusWidget()
{
    m_timer.stop();
    m_pixmaps.clear();
}

//***************************************************************************
void Kwave::StatusWidget::paintEvent(QPaintEvent *)
{
    if (!m_pixmaps.count()) return;

    QPixmap pixmap = m_pixmaps.at(m_index);
    const int ww = width();
    const int wh = height();
    const int pw = pixmap.width();
    const int ph = pixmap.height();

    QPainter p(this);
    p.drawPixmap((ww - pw) >> 1, (wh - ph) >> 1, pixmap);
}

//***************************************************************************
void Kwave::StatusWidget::setPixmaps(const QVector<QPixmap> &pixmaps,
                                     unsigned int speed)
{
    m_timer.stop();
    m_pixmaps.clear();
    m_pixmaps = pixmaps;
    m_index = 0;
    repaint();

    m_timer.setSingleShot(false);
    m_timer.setInterval(speed);
    if (m_pixmaps.count() > 1) m_timer.start();
}

//***************************************************************************
void Kwave::StatusWidget::nextPixmap()
{
    m_index++;
    if (Kwave::toInt(m_index) >= m_pixmaps.count())
        m_index = 0;
    repaint();
}

//***************************************************************************
//***************************************************************************