Files
lmms/include/fader.h
Tobias Doerffel 8a75c40fd6 Widgets/Fader: open input dialog on double click
There have been requests to have an input dialog when double clicking
the fader (like we have it for knobs for ages already).

Closes #3588157.
2012-11-28 00:10:11 +01:00

120 lines
3.4 KiB
C++

/*
* fader.h - fader-widget used in FX-mixer - partly taken from Hydrogen
*
* Copyright (c) 2008-2012 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
*
* 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.
*
* 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 (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
/*
* Hydrogen
* Copyright(c) 2002-2008 by Alex >Comix< Cominu [comix@users.sourceforge.net]
*
* http://www.hydrogen-music.org
*
* 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.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef _FADER_H
#define _FADER_H
#include <QtCore/QTime>
#include <QtGui/QWidget>
#include <QtGui/QPixmap>
#include "AutomatableModelView.h"
class textFloat;
class fader : public QWidget, public FloatModelView
{
Q_OBJECT
public:
fader( FloatModel * _model, const QString & _name, QWidget * _parent );
virtual ~fader();
void setPeak_L( float fPeak );
float getPeak_L() { return m_fPeakValue_L; }
void setPeak_R( float fPeak );
float getPeak_R() { return m_fPeakValue_R; }
private:
virtual void contextMenuEvent( QContextMenuEvent * _me );
virtual void mousePressEvent( QMouseEvent *ev );
virtual void mouseDoubleClickEvent( QMouseEvent* mouseEvent );
virtual void mouseMoveEvent( QMouseEvent *ev );
virtual void mouseReleaseEvent( QMouseEvent * _me );
virtual void wheelEvent( QWheelEvent *ev );
virtual void paintEvent( QPaintEvent *ev );
int knobPosY() const
{
float fRange = m_model->maxValue() - m_model->minValue();
float realVal = m_model->value() - m_model->minValue();
return height() - ( ( height() - m_knob.height() ) * ( realVal / fRange ) );
}
FloatModel * m_model;
void setPeak( float fPeak, float &targetPeak, float &persistentPeak, QTime &lastPeakTime );
int calculateDisplayPeak( float fPeak );
float m_fPeakValue_L;
float m_fPeakValue_R;
float m_persistentPeak_L;
float m_persistentPeak_R;
const float m_fMinPeak;
const float m_fMaxPeak;
QTime m_lastPeakTime_L;
QTime m_lastPeakTime_R;
QPixmap m_back;
QPixmap m_leds;
QPixmap m_knob;
int m_moveStartPoint;
float m_startValue;
static textFloat * s_textFloat;
void updateTextFloat();
} ;
#endif