Mercurial > hg > svgui
view widgets/Fader.h @ 1262:a9c2e791ab8d
Fix loading of should-not-auto-invert scalable icons
author | Chris Cannam |
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date | Tue, 18 Jul 2017 15:11:49 +0100 |
parents | 1fe7951a61e8 |
children | a18e78b9c78b |
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/* -*- 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 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 FADER_H #define FADER_H /** * Horizontal audio fader and meter widget. * Based on the vertical fader and meter widget from: * * Hydrogen * Copyright(c) 2002-2005 by Alex >Comix< Cominu [comix@users.sourceforge.net] * http://www.hydrogen-music.org */ #include <string> #include <iostream> #include <QWidget> #include <QPixmap> #include <QMouseEvent> #include <QWheelEvent> #include <QPaintEvent> #include "base/Debug.h" class Fader : public QWidget { Q_OBJECT public: Fader(QWidget *parent, bool withoutKnob = false); ~Fader(); void setValue(float newValue); float getValue(); void setPeakLeft(float); float getPeakLeft() { return m_peakLeft; } void setPeakRight(float); float getPeakRight() { return m_peakRight; } signals: void valueChanged(float); // 0.0 -> 1.0 void mouseEntered(); void mouseLeft(); protected: virtual void mousePressEvent(QMouseEvent *ev); virtual void mouseDoubleClickEvent(QMouseEvent *ev); virtual void mouseMoveEvent(QMouseEvent *ev); virtual void mouseReleaseEvent(QMouseEvent *ev); virtual void wheelEvent( QWheelEvent *ev ); virtual void paintEvent(QPaintEvent *ev); virtual void enterEvent(QEvent *); virtual void leaveEvent(QEvent *); int getMaxX() const; bool m_withoutKnob; float m_value; float m_peakLeft; float m_peakRight; bool m_mousePressed; int m_mousePressX; float m_mousePressValue; QPixmap m_back; QPixmap m_leds; QPixmap m_knob; QPixmap m_clip; }; #endif