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lmms/src/tracks/bb_track.cpp

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/*
* bb_track.cpp - implementation of class bbTrack and bbTCO
*
* Copyright (c) 2004-2014 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.
*
*/
#include <QtXml/QDomElement>
#include <QtGui/QColorDialog>
#include <QtGui/QMenu>
#include <QtGui/QPainter>
#include "bb_editor.h"
#include "bb_track.h"
#include "bb_track_container.h"
#include "embed.h"
#include "engine.h"
#include "gui_templates.h"
#include "MainWindow.h"
#include "Mixer.h"
#include "rename_dialog.h"
#include "song.h"
#include "song_editor.h"
#include "templates.h"
#include "track_label_button.h"
bbTrack::infoMap bbTrack::s_infoMap;
bbTCO::bbTCO( track * _track, unsigned int _color ) :
trackContentObject( _track ),
m_color( _color > 0 ? _color : qRgb( 64, 128, 255 ) )
{
tact_t t = engine::getBBTrackContainer()->lengthOfBB(
bbTrack::numOfBBTrack( getTrack() ) );
if( t > 0 )
{
saveJournallingState( false );
changeLength( midiTime( t, 0 ) );
restoreJournallingState();
}
}
bbTCO::~bbTCO()
{
}
void bbTCO::saveSettings( QDomDocument & _doc, QDomElement & _this )
{
_this.setAttribute( "name", name() );
if( _this.parentNode().nodeName() == "clipboard" )
{
_this.setAttribute( "pos", -1 );
}
else
{
_this.setAttribute( "pos", startPosition() );
}
_this.setAttribute( "len", length() );
_this.setAttribute( "muted", isMuted() );
_this.setAttribute( "color", m_color );
}
void bbTCO::loadSettings( const QDomElement & _this )
{
setName( _this.attribute( "name" ) );
if( _this.attribute( "pos" ).toInt() >= 0 )
{
movePosition( _this.attribute( "pos" ).toInt() );
}
changeLength( _this.attribute( "len" ).toInt() );
if( _this.attribute( "muted" ).toInt() != isMuted() )
{
toggleMute();
}
if( _this.attribute( "color" ).toUInt() != 0 )
{
m_color = _this.attribute( "color" ).toUInt();
}
}
trackContentObjectView * bbTCO::createView( trackView * _tv )
{
return new bbTCOView( this, _tv );
}
bbTCOView::bbTCOView( trackContentObject * _tco, trackView * _tv ) :
trackContentObjectView( _tco, _tv ),
m_bbTCO( dynamic_cast<bbTCO *>( _tco ) )
{
}
bbTCOView::~bbTCOView()
{
}
void bbTCOView::constructContextMenu( QMenu * _cm )
{
QAction * a = new QAction( embed::getIconPixmap( "bb_track" ),
tr( "Open in Beat+Bassline-Editor" ),
_cm );
_cm->insertAction( _cm->actions()[0], a );
connect( a, SIGNAL( triggered( bool ) ),
this, SLOT( openInBBEditor() ) );
_cm->insertSeparator( _cm->actions()[1] );
_cm->addSeparator();
_cm->addAction( embed::getIconPixmap( "reload" ), tr( "Reset name" ),
this, SLOT( resetName() ) );
_cm->addAction( embed::getIconPixmap( "edit_rename" ),
tr( "Change name" ),
this, SLOT( changeName() ) );
_cm->addAction( embed::getIconPixmap( "colorize" ),
tr( "Change color" ), this, SLOT( changeColor() ) );
}
void bbTCOView::mouseDoubleClickEvent( QMouseEvent * )
{
openInBBEditor();
}
void bbTCOView::paintEvent( QPaintEvent * )
{
QColor col( m_bbTCO->m_color );
if( m_bbTCO->getTrack()->isMuted() || m_bbTCO->isMuted() )
{
col = QColor( 160, 160, 160 );
}
if( isSelected() == true )
{
col = QColor( qMax( col.red() - 128, 0 ),
qMax( col.green() - 128, 0 ), 255 );
}
QPainter p( this );
QLinearGradient lingrad( 0, 0, 0, height() );
lingrad.setColorAt( 0, col.light( 130 ) );
lingrad.setColorAt( 1, col.light( 70 ) );
p.fillRect( rect(), lingrad );
tact_t t = engine::getBBTrackContainer()->lengthOfBB(
bbTrack::numOfBBTrack( m_bbTCO->getTrack() ) );
if( m_bbTCO->length() > midiTime::ticksPerTact() && t > 0 )
{
for( int x = static_cast<int>( t * pixelsPerTact() );
x < width()-2;
x += static_cast<int>( t * pixelsPerTact() ) )
{
p.setPen( col.light( 80 ) );
p.drawLine( x, 1, x, 5 );
p.setPen( col.light( 120 ) );
p.drawLine( x, height() - 6, x, height() - 2 );
}
}
p.setPen( col.dark() );
p.drawRect( 0, 0, rect().right(), rect().bottom() );
p.setFont( pointSize<7>( p.font() ) );
p.setPen( QColor( 0, 0, 0 ) );
p.drawText( 2, p.fontMetrics().height() - 1, m_bbTCO->name() );
if( m_bbTCO->isMuted() )
{
p.drawPixmap( 3, p.fontMetrics().height() + 1,
embed::getIconPixmap( "muted", 16, 16 ) );
}
}
void bbTCOView::openInBBEditor()
{
engine::getBBTrackContainer()->setCurrentBB( bbTrack::numOfBBTrack( m_bbTCO->getTrack() ) );
engine::mainWindow()->toggleBBEditorWin( true );
}
void bbTCOView::resetName()
{
m_bbTCO->setName( m_bbTCO->getTrack()->name() );
}
void bbTCOView::changeName()
{
QString s = m_bbTCO->name();
renameDialog rename_dlg( s );
rename_dlg.exec();
m_bbTCO->setName( s );
}
void bbTCOView::changeColor()
{
QColor _new_color = QColorDialog::getColor( m_bbTCO->m_color );
if( !_new_color.isValid() )
{
return;
}
if( isSelected() )
{
QVector<selectableObject *> selected =
engine::getSongEditor()->selectedObjects();
for( QVector<selectableObject *>::iterator it =
selected.begin();
it != selected.end(); ++it )
{
bbTCOView * bb_tcov = dynamic_cast<bbTCOView *>( *it );
if( bb_tcov )
{
bb_tcov->setColor( _new_color );
}
}
}
else
{
setColor( _new_color );
}
}
void bbTCOView::setColor( QColor _new_color )
{
if( _new_color.rgb() != m_bbTCO->m_color )
{
m_bbTCO->m_color = _new_color.rgb();
engine::getSong()->setModified();
update();
}
}
bbTrack::bbTrack( TrackContainer* tc ) :
track( BBTrack, tc )
{
int bbNum = s_infoMap.size();
s_infoMap[this] = bbNum;
setName( tr( "Beat/Bassline %1" ).arg( bbNum ) );
engine::getBBTrackContainer()->setCurrentBB( bbNum );
engine::getBBTrackContainer()->updateComboBox();
connect( this, SIGNAL( nameChanged() ),
engine::getBBTrackContainer(), SLOT( updateComboBox() ) );
}
bbTrack::~bbTrack()
{
engine::mixer()->removePlayHandles( this );
const int bb = s_infoMap[this];
engine::getBBTrackContainer()->removeBB( bb );
for( infoMap::iterator it = s_infoMap.begin(); it != s_infoMap.end();
++it )
{
if( it.value() > bb )
{
--it.value();
}
}
s_infoMap.remove( this );
// remove us from TC so bbTrackContainer::numOfBBs() returns a smaller
// value and thus combobox-updating in bbTrackContainer works well
trackContainer()->removeTrack( this );
engine::getBBTrackContainer()->updateComboBox();
}
// play _frames frames of given TCO within starting with _start
bool bbTrack::play( const midiTime & _start, const fpp_t _frames,
const f_cnt_t _offset, int _tco_num )
{
if( isMuted() )
{
return false;
}
if( _tco_num >= 0 )
{
return engine::getBBTrackContainer()->play( _start, _frames, _offset, s_infoMap[this] );
}
tcoVector tcos;
getTCOsInRange( tcos, _start, _start + static_cast<int>( _frames / engine::framesPerTick() ) );
if( tcos.size() == 0 )
{
return false;
}
midiTime lastPosition;
midiTime lastLen;
for( tcoVector::iterator it = tcos.begin(); it != tcos.end(); ++it )
{
if( !( *it )->isMuted() &&
( *it )->startPosition() >= lastPosition )
{
lastPosition = ( *it )->startPosition();
lastLen = ( *it )->length();
}
}
if( _start - lastPosition < lastLen )
{
return engine::getBBTrackContainer()->play( _start - lastPosition, _frames, _offset, s_infoMap[this] );
}
return false;
}
trackView * bbTrack::createView( TrackContainerView* tcv )
{
return new bbTrackView( this, tcv );
}
trackContentObject * bbTrack::createTCO( const midiTime & _pos )
{
// if we're creating a new bbTCO, we colorize it according to the
// previous bbTCO, so we have to get all TCOs from 0 to _pos and
// pickup the last and take the color if it
tcoVector tcos;
getTCOsInRange( tcos, 0, _pos );
if( tcos.size() > 0 && dynamic_cast<bbTCO *>( tcos.back() ) != NULL )
{
return new bbTCO( this, dynamic_cast<bbTCO *>( tcos.back() )->color() );
}
return new bbTCO( this );
}
void bbTrack::saveTrackSpecificSettings( QDomDocument & _doc,
QDomElement & _this )
{
// _this.setAttribute( "icon", m_trackLabel->pixmapFile() );
/* _this.setAttribute( "current", s_infoMap[this] ==
engine::getBBEditor()->currentBB() );*/
if( s_infoMap[this] == 0 &&
_this.parentNode().parentNode().nodeName() != "clone" &&
_this.parentNode().nodeName() != "journaldata" )
{
( (JournallingObject *)( engine::getBBTrackContainer() ) )->
saveState( _doc, _this );
}
if( _this.parentNode().parentNode().nodeName() == "clone" )
{
_this.setAttribute( "clonebbt", s_infoMap[this] );
}
}
void bbTrack::loadTrackSpecificSettings( const QDomElement & _this )
{
/* if( _this.attribute( "icon" ) != "" )
{
m_trackLabel->setPixmapFile( _this.attribute( "icon" ) );
}*/
if( _this.hasAttribute( "clonebbt" ) )
{
const int src = _this.attribute( "clonebbt" ).toInt();
const int dst = s_infoMap[this];
engine::getBBTrackContainer()->createTCOsForBB( dst );
TrackContainer::TrackList tl =
engine::getBBTrackContainer()->tracks();
// copy TCOs of all tracks from source BB (at bar "src") to destination
// TCOs (which are created if they do not exist yet)
for( TrackContainer::TrackList::iterator it = tl.begin();
it != tl.end(); ++it )
{
( *it )->getTCO( src )->copy();
( *it )->getTCO( dst )->paste();
}
setName( tr( "Clone of %1" ).arg(
_this.parentNode().toElement().attribute( "name" ) ) );
}
else
{
QDomNode node = _this.namedItem(
TrackContainer::classNodeName() );
if( node.isElement() )
{
( (JournallingObject *)engine::getBBTrackContainer() )->
restoreState( node.toElement() );
}
}
/* doesn't work yet because bbTrack-ctor also sets current bb so if
bb-tracks are created after this function is called, this doesn't
help at all....
if( _this.attribute( "current" ).toInt() )
{
engine::getBBEditor()->setCurrentBB( s_infoMap[this] );
}*/
}
// return pointer to bbTrack specified by _bb_num
bbTrack * bbTrack::findBBTrack( int _bb_num )
{
for( infoMap::iterator it = s_infoMap.begin(); it != s_infoMap.end();
++it )
{
if( it.value() == _bb_num )
{
return it.key();
}
}
return NULL;
}
int bbTrack::numOfBBTrack( track * _track )
{
if( dynamic_cast<bbTrack *>( _track ) != NULL )
{
return s_infoMap[dynamic_cast<bbTrack *>( _track )];
}
return 0;
}
void bbTrack::swapBBTracks( track * _track1, track * _track2 )
{
bbTrack * t1 = dynamic_cast<bbTrack *>( _track1 );
bbTrack * t2 = dynamic_cast<bbTrack *>( _track2 );
if( t1 != NULL && t2 != NULL )
{
qSwap( s_infoMap[t1], s_infoMap[t2] );
engine::getBBTrackContainer()->swapBB( s_infoMap[t1],
s_infoMap[t2] );
engine::getBBTrackContainer()->setCurrentBB( s_infoMap[t1] );
}
}
bbTrackView::bbTrackView( bbTrack * _bbt, TrackContainerView* tcv ) :
trackView( _bbt, tcv ),
m_bbTrack( _bbt )
{
setFixedHeight( 32 );
// drag'n'drop with bb-tracks only causes troubles (and makes no sense
// too), so disable it
setAcceptDrops( false );
m_trackLabel = new trackLabelButton( this, getTrackSettingsWidget() );
m_trackLabel->setIcon( embed::getIconPixmap( "bb_track" ) );
m_trackLabel->move( 3, 1 );
m_trackLabel->show();
connect( m_trackLabel, SIGNAL( clicked( bool ) ),
this, SLOT( clickedTrackLabel() ) );
setModel( _bbt );
}
bbTrackView::~bbTrackView()
{
engine::getBBEditor()->removeBBView( bbTrack::s_infoMap[m_bbTrack] );
}
bool bbTrackView::close()
{
engine::getBBEditor()->removeBBView( bbTrack::s_infoMap[m_bbTrack] );
return trackView::close();
}
void bbTrackView::clickedTrackLabel()
{
engine::getBBTrackContainer()->setCurrentBB(
bbTrack::numOfBBTrack( m_bbTrack ) );
engine::getBBEditor()->show();
/* foreach( bbTrackView * tv,
trackContainerView()->findChildren<bbTrackView *>() )
{
tv->m_trackLabel->update();
}*/
}
#include "moc_bb_track.cxx"
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