initial release, slider with automation
git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@208 0778d3d1-df1d-0410-868b-ea421aaaa00d
This commit is contained in:
Javier Serrano Polo
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include/automatable_slider.h
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99
include/automatable_slider.h
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/*
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* automatable_slider.h - class automatableSlider, a QSlider with automation
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*
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* Copyright (c) 2006 Javier Serrano Polo <jasp00/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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef _AUTOMATABLE_SLIDER_H
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#define _AUTOMATABLE_SLIDER_H
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#include "qt3support.h"
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#ifdef QT4
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#include <QtGui/QSlider>
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#else
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#include <qslider.h>
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#endif
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#include "knob.h"
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class automatableSlider : public QSlider
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{
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Q_OBJECT
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public:
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automatableSlider( QWidget * _parent, const QString & _name,
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engine * _engine, class track * _track );
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virtual ~automatableSlider();
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virtual void setRange( int _min, int _max );
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virtual void setValue( int _value );
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virtual void setInitValue( int _value );
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virtual void saveSettings( QDomDocument & _doc, QDomElement & _this,
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const QString & _name );
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virtual void loadSettings( const QDomElement & _this,
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const QString & _name );
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int logicValue( void );
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void clearAutomationValues( void );
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bool showStatus( void )
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{
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return( m_show_status );
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}
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signals:
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void logicValueChanged( int _value );
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void logicSliderMoved( int _value );
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protected:
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virtual void contextMenuEvent( QContextMenuEvent * _me );
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virtual void mousePressEvent( QMouseEvent * _me );
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virtual void mouseReleaseEvent( QMouseEvent * _me );
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virtual void wheelEvent( QWheelEvent * _me );
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private:
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knob * m_knob;
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bool m_show_status;
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private slots:
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void changeValue( int _value );
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void moveSlider( int _value );
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void updateSlider( void );
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} ;
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#endif
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231
src/widgets/automatable_slider.cpp
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231
src/widgets/automatable_slider.cpp
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#ifndef SINGLE_SOURCE_COMPILE
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/*
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* automatable_slider.cpp - implementation of class automatableSlider
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*
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* Copyright (c) 2006 Javier Serrano Polo <jasp00/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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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*/
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#include "automatable_slider.h"
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#ifndef QT3
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#include <QtGui/QCursor>
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#include <QtGui/QLabel>
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#include <QtGui/QMenu>
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#include <QtGui/QMouseEvent>
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#else
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#include <qcursor.h>
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#include <qlabel.h>
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#include <qpopupmenu.h>
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#endif
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#include "embed.h"
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automatableSlider::automatableSlider( QWidget * _parent, const QString & _name,
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engine * _engine, class track * _track ) :
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QSlider( _parent
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#ifndef QT4
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, _name.ascii()
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#endif
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),
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m_show_status( FALSE )
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{
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m_knob = new knob( knobDark_28, NULL, _name, _engine, _track );
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#ifdef QT4
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setAccessibleName( _name );
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#endif
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connect( m_knob, SIGNAL( valueChanged( float ) ), this,
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SLOT( updateSlider( void ) ) );
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connect( this, SIGNAL( valueChanged( int ) ), this,
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SLOT( changeValue( int ) ) );
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connect( this, SIGNAL( sliderMoved( int ) ), this,
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SLOT( moveSlider( int ) ) );
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}
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automatableSlider::~automatableSlider()
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{
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delete m_knob;
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}
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void automatableSlider::setRange( int _min, int _max )
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{
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QSlider::setRange( _min, _max );
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m_knob->setRange( _min, _max, 1.0f );
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}
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void automatableSlider::setValue( int _value )
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{
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QSlider::setValue( _value );
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m_knob->setValue( minValue() + maxValue() - _value );
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}
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void automatableSlider::setInitValue( int _value )
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{
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m_knob->setInitValue( _value );
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QSlider::setValue( minValue() + maxValue() - _value );
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}
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void automatableSlider::contextMenuEvent( QContextMenuEvent * _me )
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{
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// for the case, the user clicked right while pressing left mouse-
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// button, the context-menu appears while mouse-cursor is still hidden
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// and it isn't shown again until user does something which causes
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// an QApplication::restoreOverrideCursor()-call...
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mouseReleaseEvent( NULL );
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QMenu contextMenu( this );
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#ifdef QT4
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contextMenu.setTitle( accessibleName() );
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#else
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QLabel * caption = new QLabel( "<font color=white><b>" +
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QString( accessibleName() ) + "</b></font>", this );
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caption->setPaletteBackgroundColor( QColor( 0, 0, 192 ) );
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caption->setAlignment( Qt::AlignCenter );
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contextMenu.addAction( caption );
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#endif
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//TODO: Change icon
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contextMenu.addAction( embed::getIconPixmap( "piano" ),
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tr( "&Open in automation editor" ),
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m_knob->getAutomationPattern(),
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SLOT( openInAutomationEditor() ) );
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contextMenu.exec( QCursor::pos() );
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}
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void automatableSlider::mousePressEvent( QMouseEvent * _me )
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{
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m_show_status = TRUE;
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QSlider::mousePressEvent( _me );
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}
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void automatableSlider::mouseReleaseEvent( QMouseEvent * _me )
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{
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m_show_status = FALSE;
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QSlider::mouseReleaseEvent( _me );
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}
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void automatableSlider::wheelEvent( QWheelEvent * _me )
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{
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bool old_status = m_show_status;
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m_show_status = TRUE;
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QSlider::wheelEvent( _me );
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m_show_status = old_status;
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}
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void automatableSlider::changeValue( int _value )
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{
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setValue( _value );
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emit logicValueChanged( logicValue() );
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}
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void automatableSlider::moveSlider( int _value )
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{
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setValue( _value );
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emit logicSliderMoved( logicValue() );
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}
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void automatableSlider::updateSlider( void )
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{
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QSlider::setValue( minValue() + maxValue() - logicValue() );
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}
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void automatableSlider::saveSettings( QDomDocument & _doc, QDomElement & _this,
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const QString & _name )
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{
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m_knob->saveSettings( _doc, _this, _name );
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}
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void automatableSlider::loadSettings( const QDomElement & _this,
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const QString & _name )
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{
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m_knob->loadSettings( _this, _name );
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}
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int automatableSlider::logicValue( void )
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{
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return( (int)roundf( m_knob->value() ) );
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}
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void automatableSlider::clearAutomationValues( void )
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{
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m_knob->getAutomationPattern()->clearValues();
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}
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#include "automatable_slider.moc"
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#endif
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