mirror of
https://github.com/LMMS/lmms.git
synced 2026-03-18 14:08:26 -04:00
67ca4d73f6
If the settings for an AutomationPattern contain just one value at position 0, this value was not loaded properly. Thanks to raine for pointing out this issue and providing a patch. Closes #3448562.
543 lines
11 KiB
C++
543 lines
11 KiB
C++
/*
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* AutomationPattern.cpp - implementation of class AutomationPattern which
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* holds dynamic values
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*
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* Copyright (c) 2008-2010 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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* Copyright (c) 2006-2008 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., 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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#include <QtXml/QDomElement>
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#include <QtGui/QMouseEvent>
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#include <QtGui/QPainter>
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#include "AutomationPattern.h"
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#include "AutomationPatternView.h"
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#include "AutomationEditor.h"
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#include "AutomationTrack.h"
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#include "ProjectJournal.h"
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#include "bb_track_container.h"
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#include "song.h"
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AutomationPattern::AutomationPattern( AutomationTrack * _auto_track ) :
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trackContentObject( _auto_track ),
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m_autoTrack( _auto_track ),
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m_objects(),
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m_hasAutomation( false )
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{
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changeLength( midiTime( 1, 0 ) );
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m_timeMap[0] = 0;
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}
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AutomationPattern::AutomationPattern( const AutomationPattern & _pat_to_copy ) :
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trackContentObject( _pat_to_copy.m_autoTrack ),
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m_autoTrack( _pat_to_copy.m_autoTrack ),
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m_objects( _pat_to_copy.m_objects ),
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m_hasAutomation( _pat_to_copy.m_hasAutomation )
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{
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for( timeMap::const_iterator it = _pat_to_copy.m_timeMap.begin();
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it != _pat_to_copy.m_timeMap.end(); ++it )
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{
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m_timeMap[it.key()] = it.value();
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}
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}
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AutomationPattern::~AutomationPattern()
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{
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if( engine::automationEditor() &&
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engine::automationEditor()->currentPattern() == this )
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{
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engine::automationEditor()->setCurrentPattern( NULL );
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}
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}
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void AutomationPattern::addObject( AutomatableModel * _obj, bool _search_dup )
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{
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bool addIt = true;
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if( _search_dup )
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{
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for( objectVector::iterator it = m_objects.begin();
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it != m_objects.end(); ++it )
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{
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if( *it == _obj )
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{
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// Already exists
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// TODO: Maybe let the user know in some non-annoying way
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addIt = false;
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break;
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}
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}
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}
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if( addIt )
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{
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m_objects += _obj;
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// been empty before?
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if( m_objects.size() == 1 && !hasAutomation() )
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{
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// then initialize default-value
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putValue( 0, _obj->value<float>(), false );
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}
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connect( _obj, SIGNAL( destroyed( jo_id_t ) ),
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this, SLOT( objectDestroyed( jo_id_t ) ),
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Qt::DirectConnection );
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}
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}
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const AutomatableModel * AutomationPattern::firstObject() const
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{
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AutomatableModel * m;
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if( !m_objects.isEmpty() && ( m = m_objects.first() ) != NULL )
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{
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return m;
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}
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static FloatModel _fm( 0, 0, 1, 0.001 );
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return &_fm;
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}
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//TODO: Improve this
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midiTime AutomationPattern::length() const
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{
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tick_t max_length = 0;
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for( timeMap::const_iterator it = m_timeMap.begin();
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it != m_timeMap.end(); ++it )
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{
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max_length = qMax<tick_t>( max_length, it.key() );
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}
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return midiTime( qMax( midiTime( max_length ).getTact() + 1, 1 ), 0 );
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}
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midiTime AutomationPattern::putValue( const midiTime & _time,
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const float _value,
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const bool _quant_pos )
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{
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midiTime newTime = _quant_pos && engine::automationEditor() ?
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note::quantized( _time,
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engine::automationEditor()->quantization() ) :
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_time;
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m_timeMap[newTime] = _value;
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if( newTime == 0 )
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{
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for( objectVector::iterator it = m_objects.begin();
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it != m_objects.end(); )
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{
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if( *it )
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{
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( *it )->setValue( _value );
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++it;
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}
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else
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{
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it = m_objects.erase( it );
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}
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}
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}
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// just one automation value?
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if( m_timeMap.size() == 1 )
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{
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m_hasAutomation = m_objects.isEmpty(); // usually false
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for( objectVector::iterator it = m_objects.begin();
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it != m_objects.end(); ++it )
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{
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// default value differs from current value?
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if( *it && _value != ( *it )->initValue<float>() )
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{
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// then enable automating this object
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m_hasAutomation = true;
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}
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}
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}
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else
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{
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// in all other cases assume we have automation
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m_hasAutomation = true;
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}
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// we need to maximize our length in case we're part of a hidden
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// automation track as the user can't resize this pattern
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if( getTrack() && getTrack()->type() == track::HiddenAutomationTrack )
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{
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changeLength( length() );
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}
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emit dataChanged();
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return newTime;
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}
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void AutomationPattern::removeValue( const midiTime & _time )
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{
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if( _time != 0 )
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{
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m_timeMap.remove( _time );
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if( m_timeMap.size() == 1 )
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{
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const float val = m_timeMap[0];
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m_hasAutomation = false;
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for( objectVector::iterator it = m_objects.begin();
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it != m_objects.end(); )
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{
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if( *it )
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{
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( *it )->setValue( val );
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if( ( *it )->initValue<float>() != val )
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{
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m_hasAutomation = true;
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}
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++it;
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}
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else
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{
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it = m_objects.erase( it );
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}
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}
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}
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if( getTrack() &&
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getTrack()->type() == track::HiddenAutomationTrack )
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{
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changeLength( length() );
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}
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emit dataChanged();
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}
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}
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float AutomationPattern::valueAt( const midiTime & _time ) const
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{
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if( m_timeMap.isEmpty() )
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{
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return 0;
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}
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timeMap::const_iterator v = m_timeMap.lowerBound( _time );
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// lowerBound returns next value with greater key, therefore we take
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// the previous element to get the current value
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return ( v != m_timeMap.begin() ) ? (v-1).value() : v.value();
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}
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void AutomationPattern::saveSettings( QDomDocument & _doc, QDomElement & _this )
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{
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_this.setAttribute( "pos", startPosition() );
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_this.setAttribute( "len", trackContentObject::length() );
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_this.setAttribute( "name", name() );
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for( timeMap::const_iterator it = m_timeMap.begin();
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it != m_timeMap.end(); ++it )
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{
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QDomElement element = _doc.createElement( "time" );
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element.setAttribute( "pos", it.key() );
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element.setAttribute( "value", it.value() );
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_this.appendChild( element );
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}
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for( objectVector::const_iterator it = m_objects.begin();
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it != m_objects.end(); ++it )
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{
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if( *it )
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{
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QDomElement element = _doc.createElement( "object" );
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element.setAttribute( "id", ( *it )->id() );
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_this.appendChild( element );
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}
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}
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}
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void AutomationPattern::loadSettings( const QDomElement & _this )
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{
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clear();
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movePosition( _this.attribute( "pos" ).toInt() );
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setName( _this.attribute( "name" ) );
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for( QDomNode node = _this.firstChild(); !node.isNull();
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node = node.nextSibling() )
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{
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QDomElement element = node.toElement();
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if( element.isNull() )
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{
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continue;
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}
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if( element.tagName() == "time" )
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{
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m_timeMap[element.attribute( "pos" ).toInt()]
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= element.attribute( "value" ).toFloat();
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}
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else if( element.tagName() == "object" )
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{
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m_idsToResolve << element.attribute( "id" ).toInt();
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}
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}
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m_hasAutomation = m_timeMap.size() > 0;
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if( m_hasAutomation == false )
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{
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for( objectVector::iterator it = m_objects.begin();
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it != m_objects.end(); ++it )
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{
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if( *it )
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{
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( *it )->setValue( m_timeMap[0] );
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}
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}
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}
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int len = _this.attribute( "len" ).toInt();
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if( len <= 0 )
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{
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len = length();
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}
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changeLength( len );
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}
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const QString AutomationPattern::name() const
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{
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if( !trackContentObject::name().isEmpty() )
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{
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return trackContentObject::name();
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}
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if( !m_objects.isEmpty() && m_objects.first() != NULL )
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{
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return m_objects.first()->fullDisplayName();
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}
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return tr( "Drag a control while pressing <Ctrl>" );
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}
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void AutomationPattern::processMidiTime( const midiTime & _time )
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{
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if( _time >= 0 && m_hasAutomation )
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{
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const float val = valueAt( _time );
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for( objectVector::iterator it = m_objects.begin();
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it != m_objects.end(); ++it )
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{
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if( *it )
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{
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( *it )->setAutomatedValue( val );
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}
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}
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}
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}
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trackContentObjectView * AutomationPattern::createView( trackView * _tv )
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{
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return new AutomationPatternView( this, _tv );
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}
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bool AutomationPattern::isAutomated( const AutomatableModel * _m )
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{
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trackContainer::trackList l = engine::getSong()->tracks() +
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engine::getBBTrackContainer()->tracks();
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l += engine::getSong()->globalAutomationTrack();
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for( trackContainer::trackList::const_iterator it = l.begin();
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it != l.end(); ++it )
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{
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if( ( *it )->type() == track::AutomationTrack ||
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( *it )->type() == track::HiddenAutomationTrack )
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{
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const track::tcoVector & v = ( *it )->getTCOs();
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for( track::tcoVector::const_iterator j = v.begin();
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j != v.end(); ++j )
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{
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const AutomationPattern * a =
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dynamic_cast<const AutomationPattern *>( *j );
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if( a && a->m_hasAutomation )
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{
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for( objectVector::const_iterator k = a->m_objects.begin();
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k != a->m_objects.end(); ++k )
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{
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if( *k == _m )
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{
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return true;
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}
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}
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}
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}
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}
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}
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return false;
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}
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AutomationPattern * AutomationPattern::globalAutomationPattern(
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AutomatableModel * _m )
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{
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AutomationTrack * t = engine::getSong()->globalAutomationTrack();
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track::tcoVector v = t->getTCOs();
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for( track::tcoVector::const_iterator j = v.begin(); j != v.end(); ++j )
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{
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AutomationPattern * a = dynamic_cast<AutomationPattern *>( *j );
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if( a )
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{
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for( objectVector::const_iterator k = a->m_objects.begin();
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k != a->m_objects.end(); ++k )
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{
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if( *k == _m )
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{
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return a;
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}
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}
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}
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}
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AutomationPattern * a = new AutomationPattern( t );
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a->addObject( _m, false );
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return a;
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}
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void AutomationPattern::resolveAllIDs()
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{
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trackContainer::trackList l = engine::getSong()->tracks() +
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engine::getBBTrackContainer()->tracks();
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l += engine::getSong()->globalAutomationTrack();
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for( trackContainer::trackList::iterator it = l.begin();
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it != l.end(); ++it )
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{
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if( ( *it )->type() == track::AutomationTrack ||
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( *it )->type() == track::HiddenAutomationTrack )
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{
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track::tcoVector v = ( *it )->getTCOs();
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for( track::tcoVector::iterator j = v.begin();
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j != v.end(); ++j )
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{
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AutomationPattern * a = dynamic_cast<AutomationPattern *>( *j );
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if( a )
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{
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for( QVector<jo_id_t>::Iterator k = a->m_idsToResolve.begin();
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k != a->m_idsToResolve.end(); ++k )
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{
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JournallingObject * o = engine::projectJournal()->
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journallingObject( *k );
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if( o && dynamic_cast<AutomatableModel *>( o ) )
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{
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a->addObject( dynamic_cast<AutomatableModel *>( o ), false );
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}
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}
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a->m_idsToResolve.clear();
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a->dataChanged();
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}
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}
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}
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}
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}
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void AutomationPattern::clear()
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{
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const float val = firstObject()->value<float>();
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m_timeMap.clear();
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putValue( 0, val );
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if( engine::automationEditor() &&
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engine::automationEditor()->currentPattern() == this )
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{
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engine::automationEditor()->update();
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}
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}
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void AutomationPattern::openInAutomationEditor()
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{
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engine::automationEditor()->setCurrentPattern( this );
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engine::automationEditor()->parentWidget()->show();
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engine::automationEditor()->setFocus();
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}
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void AutomationPattern::objectDestroyed( jo_id_t _id )
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{
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// TODO: distict between temporary removal (e.g. LADSPA controls
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// when switching samplerate) and real deletions because in the latter
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// case we had to remove ourselves if we're the global automation
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// pattern of the destroyed object
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m_idsToResolve += _id;
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}
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#include "moc_AutomationPattern.cxx"
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