qtau/editor/ui/meter.h

/*
    This file is part of QTau
    Copyright (C) 2013-2018  Tobias "Tomoko" Platen <tplaten@posteo.de>
    Copyright (C) 2013       digited       <https://github.com/digited>
    Copyright (C) 2010-2013  HAL@ShurabaP  <https://github.com/haruneko>

    QTau 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 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

    SPDX-License-Identifier: GPL-3.0+
*/

#ifndef METER_H
#define METER_H

#include "Utils.h"
#include <QWidget>

class QPixmap;


class qtauMeterBar : public QWidget
{
    Q_OBJECT

public:
    qtauMeterBar(QWidget *parent = 0);
    ~qtauMeterBar();

    void setOffset(int off);
    void configure(const SNoteSetup &newSetup);

signals:
    void scrolled(int delta);
    void zoomed  (int delta);

public slots:
    //

protected:
    void paintEvent           (QPaintEvent  *event);
    void resizeEvent          (QResizeEvent *event);

    void mouseDoubleClickEvent(QMouseEvent  *event);
    void mouseMoveEvent       (QMouseEvent  *event);
    void mousePressEvent      (QMouseEvent  *event);
    void mouseReleaseEvent    (QMouseEvent  *event);
    void wheelEvent           (QWheelEvent  *event);

    int _offset;
    SNoteSetup _ns;

    QPixmap *_bgCache;
    QPixmap *_labelCache;

    void updateCache();

};

#endif // METER_H