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d4684f3ab1
Based on the patch by Thorsten Müller provided at #3307037, I continued the work to display nice indicators for the peak value of the last 1500 ms. Closes #3307037.
115 lines
3.3 KiB
C++
115 lines
3.3 KiB
C++
/*
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* fader.h - fader-widget used in FX-mixer - partly taken from Hydrogen
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*
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* Copyright (c) 2008-2011 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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/*
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* Hydrogen
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* Copyright(c) 2002-2008 by Alex >Comix< Cominu [comix@users.sourceforge.net]
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*
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* http://www.hydrogen-music.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY, without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef _FADER_H
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#define _FADER_H
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#include <QtCore/QTime>
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#include <QtGui/QWidget>
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#include <QtGui/QPixmap>
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#include "AutomatableModelView.h"
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class textFloat;
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class fader : public QWidget, public FloatModelView
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{
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Q_OBJECT
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public:
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fader( FloatModel * _model, const QString & _name, QWidget * _parent );
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virtual ~fader();
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void setPeak_L( float fPeak );
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float getPeak_L() { return m_fPeakValue_L; }
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void setPeak_R( float fPeak );
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float getPeak_R() { return m_fPeakValue_R; }
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private:
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virtual void contextMenuEvent( QContextMenuEvent * _me );
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virtual void mousePressEvent( QMouseEvent *ev );
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virtual void mouseMoveEvent( QMouseEvent *ev );
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virtual void mouseReleaseEvent( QMouseEvent * _me );
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virtual void wheelEvent( QWheelEvent *ev );
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virtual void paintEvent( QPaintEvent *ev );
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inline uint knob_y() const
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{
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float fRange = m_model->maxValue() - m_model->minValue();
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float realVal = m_model->value() - m_model->minValue();
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// uint knob_y = (uint)( 116.0 - ( 86.0 * ( m_model->value() / fRange ) ) );
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return (uint)( 116.0 - ( 86.0 * ( realVal / fRange ) ) );
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}
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FloatModel * m_model;
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void setPeak( float fPeak, float &targetPeak, float &persistentPeak, QTime &lastPeakTime );
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int calculateDisplayPeak( float fPeak );
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float m_fPeakValue_L;
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float m_fPeakValue_R;
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float m_persistentPeak_L;
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float m_persistentPeak_R;
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const float m_fMinPeak;
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const float m_fMaxPeak;
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QTime m_lastPeakTime_L;
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QTime m_lastPeakTime_R;
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QPixmap m_back;
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QPixmap m_leds;
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QPixmap m_knob;
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static textFloat * s_textFloat;
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void updateTextFloat();
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} ;
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#endif
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