Tobias Doerffel
3a827f061f
The MIDI event handling in InstrumentTrack was complex and buggy. It has been simplified now such that processInEvent() tries to handle note on, note off and key pressure events. The actions taken should result in equivalent calls to processOutEvent() by NotePlayHandle instances. The processOutEvent() function sends according MIDI events to the attached instruments. All unhandled MIDI events are directly forwarded to the instrument in processInEvent(). It's possible that some corner-cases are not handled yet with the new code and we have regressions now. Furthermore renamed midiTime/midiEvent to MidiTime/MidiEvent to match coding style. Closes #72.
196 lines
4.2 KiB
C++
196 lines
4.2 KiB
C++
/*
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* AutomationTrack.cpp - AutomationTrack handles automation of objects without
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* a track
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*
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* Copyright (c) 2008-2014 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 "AutomationTrack.h"
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#include "AutomationPattern.h"
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#include "engine.h"
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#include "embed.h"
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#include "ProjectJournal.h"
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#include "string_pair_drag.h"
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#include "TrackContainerView.h"
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#include "track_label_button.h"
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AutomationTrack::AutomationTrack( TrackContainer* tc, bool _hidden ) :
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track( _hidden ? HiddenAutomationTrack : track::AutomationTrack, tc )
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{
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setName( tr( "Automation track" ) );
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}
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AutomationTrack::~AutomationTrack()
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{
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}
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bool AutomationTrack::play( const MidiTime & _start, const fpp_t _frames,
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const f_cnt_t _frame_base, int _tco_num )
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{
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if( isMuted() )
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{
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return false;
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}
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tcoVector tcos;
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if( _tco_num >= 0 )
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{
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trackContentObject * tco = getTCO( _tco_num );
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tcos.push_back( tco );
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}
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else
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{
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getTCOsInRange( tcos, _start, _start + static_cast<int>(
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_frames / engine::framesPerTick()) );
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}
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for( tcoVector::iterator it = tcos.begin(); it != tcos.end(); ++it )
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{
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AutomationPattern * p = dynamic_cast<AutomationPattern *>( *it );
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if( p == NULL || ( *it )->isMuted() )
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{
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continue;
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}
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MidiTime cur_start = _start;
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if( _tco_num < 0 )
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{
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cur_start -= p->startPosition();
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}
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p->processMidiTime( cur_start );
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}
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return false;
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}
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trackView * AutomationTrack::createView( TrackContainerView* tcv )
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{
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return new AutomationTrackView( this, tcv );
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}
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trackContentObject * AutomationTrack::createTCO( const MidiTime & )
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{
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return new AutomationPattern( this );
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}
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void AutomationTrack::saveTrackSpecificSettings( QDomDocument & _doc,
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QDomElement & _this )
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{
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}
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void AutomationTrack::loadTrackSpecificSettings( const QDomElement & _this )
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{
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// just in case something somehow wrent wrong...
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if( type() == HiddenAutomationTrack )
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{
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setMuted( false );
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}
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}
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AutomationTrackView::AutomationTrackView( AutomationTrack * _at, TrackContainerView* tcv ) :
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trackView( _at, tcv )
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{
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setFixedHeight( 32 );
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trackLabelButton * tlb = new trackLabelButton( this,
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getTrackSettingsWidget() );
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tlb->setIcon( embed::getIconPixmap( "automation_track" ) );
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tlb->move( 3, 1 );
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tlb->show();
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setModel( _at );
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}
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AutomationTrackView::~AutomationTrackView()
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{
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}
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void AutomationTrackView::dragEnterEvent( QDragEnterEvent * _dee )
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{
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stringPairDrag::processDragEnterEvent( _dee, "automatable_model" );
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}
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void AutomationTrackView::dropEvent( QDropEvent * _de )
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{
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QString type = stringPairDrag::decodeKey( _de );
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QString val = stringPairDrag::decodeValue( _de );
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if( type == "automatable_model" )
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{
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AutomatableModel * mod = dynamic_cast<AutomatableModel *>(
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engine::projectJournal()->
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journallingObject( val.toInt() ) );
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if( mod != NULL )
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{
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MidiTime pos = MidiTime( trackContainerView()->
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currentPosition() +
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( _de->pos().x() -
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getTrackContentWidget()->x() ) *
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MidiTime::ticksPerTact() /
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static_cast<int>( trackContainerView()->pixelsPerTact() ) )
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.toNearestTact();
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if( pos.getTicks() < 0 )
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{
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pos.setTicks( 0 );
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}
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trackContentObject * tco = getTrack()->createTCO( pos );
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AutomationPattern * pat = dynamic_cast<AutomationPattern *>( tco );
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pat->addObject( mod );
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pat->movePosition( pos );
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}
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}
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update();
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}
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