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lmms/src/tracks/bb_track.cpp
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#ifndef SINGLE_SOURCE_COMPILE
/*
* bb_track.cpp - implementation of class bbTrack and bbTCO
*
* Copyright (c) 2004-2007 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 "qt3support.h"
#ifdef QT4
#include <Qt/QtXml>
#include <QtGui/QColorDialog>
#include <QtGui/QMenu>
#include <QtGui/QPainter>
#else
#include <qdom.h>
#include <qpainter.h>
#include <qcolordialog.h>
#include <qpopupmenu.h>
#endif
#include "bb_track.h"
#include "bb_editor.h"
#include "embed.h"
#include "engine.h"
#include "gui_templates.h"
#include "mixer.h"
#include "name_label.h"
#include "rename_dialog.h"
#include "song_editor.h"
#include "templates.h"
bbTrack::infoMap bbTrack::s_infoMap;
bbTCO::bbTCO( track * _track, const QColor & _c ) :
trackContentObject( _track ),
m_name( ( dynamic_cast<bbTrack *>( _track ) != NULL ) ?
dynamic_cast<bbTrack *>( _track )->trackLabel()->text() :
QString( "" ) ),
m_color( _c.isValid() ? _c : QColor( 64, 128, 255 ) )
{
#ifndef QT4
setBackgroundMode( Qt::NoBackground );
#endif
tact t = engine::getBBEditor()->lengthOfBB(
bbTrack::numOfBBTrack( getTrack() ) );
if( t > 0 )
{
saveJournallingState( FALSE );
changeLength( midiTime( t, 0 ) );
restoreJournallingState();
}
}
bbTCO::~bbTCO()
{
}
void bbTCO::constructContextMenu( QMenu * _cm )
{
#ifdef QT4
QAction * a = new QAction( embed::getIconPixmap( "bb_track" ),
tr( "Open in Beat+Baseline-Editor" ),
_cm );
_cm->insertAction( _cm->actions()[0], a );
connect( a, SIGNAL( triggered( bool ) ), this,
SLOT( openInBBEditor( bool ) ) );
#else
_cm->insertItem( embed::getIconPixmap( "bb_track" ),
tr( "Open in Beat+Baseline-Editor" ),
this, SLOT( openInBBEditor() ),
0, -1, 0 );
#endif
#ifdef QT4
_cm->insertSeparator( _cm->actions()[1] );
#else
_cm->insertSeparator( 1 );
#endif
#ifdef QT4
_cm->addSeparator();
#else
_cm->insertSeparator();
#endif
_cm->addAction( embed::getIconPixmap( "reload" ), tr( "Reset name" ),
this, SLOT( resetName() ) );
_cm->addAction( embed::getIconPixmap( "rename" ), tr( "Change name" ),
this, SLOT( changeName() ) );
_cm->addAction( embed::getIconPixmap( "colorize" ),
tr( "Change color" ), this, SLOT( changeColor() ) );
}
void bbTCO::mouseDoubleClickEvent( QMouseEvent * )
{
openInBBEditor();
}
void bbTCO::paintEvent( QPaintEvent * )
{
QColor col = m_color;
if( getTrack()->muted() || muted() )
{
col = QColor( 160, 160, 160 );
}
if( isSelected() == TRUE )
{
col = QColor( tMax( col.red() - 128, 0 ),
tMax( col.green() - 128, 0 ), 255 );
}
#ifdef QT4
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 );
#else
// create pixmap for whole widget
QPixmap pm( rect().size() );
// and a painter for it
QPainter p( &pm );
// COOL gradient ;-)
for( int y = 1; y < height() - 1; ++y )
{
p.setPen( col.light( 130 - y * 60 / height() ) );
p.drawLine( 1, y, width() - 1, y );
}
#endif
tact t = engine::getBBEditor()->lengthOfBB( bbTrack::numOfBBTrack(
getTrack() ) );
if( length() > 64 && 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() );
#ifndef QT3
p.drawRect( 0, 0, rect().right(), rect().bottom() );
#else
p.drawRect( rect() );
#endif
p.setFont( pointSize<7>( p.font() ) );
p.setPen( QColor( 0, 0, 0 ) );
p.drawText( 2, p.fontMetrics().height() - 1, m_name );
if( muted() )
{
p.drawPixmap( 3, p.fontMetrics().height() + 1,
embed::getIconPixmap( "muted", 16, 16 ) );
}
#ifndef QT4
bitBlt( this, rect().topLeft(), &pm );
#endif
}
void bbTCO::saveSettings( QDomDocument & _doc, QDomElement & _this )
{
_this.setAttribute( "name", m_name );
if( _this.parentNode().nodeName() == "clipboard" )
{
_this.setAttribute( "pos", -1 );
}
else
{
_this.setAttribute( "pos", startPosition() );
}
_this.setAttribute( "len", length() );
_this.setAttribute( "muted", muted() );
_this.setAttribute( "color", m_color.rgb() );
}
void bbTCO::loadSettings( const QDomElement & _this )
{
m_name = _this.attribute( "name" );
if( _this.attribute( "pos" ).toInt() >= 0 )
{
movePosition( _this.attribute( "pos" ).toInt() );
}
changeLength( _this.attribute( "len" ).toInt() );
if( _this.attribute( "muted" ).toInt() != muted() )
{
toggleMute();
}
if( _this.attribute( "color" ).toUInt() != 0 )
{
m_color.setRgb( _this.attribute( "color" ).toUInt() );
}
}
void bbTCO::openInBBEditor( bool )
{
engine::getBBEditor()->setCurrentBB( bbTrack::numOfBBTrack(
getTrack() ) );
engine::getBBEditor()->show();
engine::getBBEditor()->setFocus();
}
void bbTCO::openInBBEditor( void )
{
openInBBEditor( FALSE );
}
void bbTCO::resetName( void )
{
if( dynamic_cast<bbTrack *>( getTrack() ) != NULL )
{
m_name = dynamic_cast<bbTrack *>( getTrack() )->
trackLabel()->text();
}
}
void bbTCO::changeName( void )
{
renameDialog rename_dlg( m_name );
rename_dlg.exec();
}
void bbTCO::changeColor( void )
{
QColor _new_color = QColorDialog::getColor( m_color );
if( !_new_color.isValid() )
{
return;
}
if( isSelected() )
{
vvector<selectableObject *> selected =
engine::getSongEditor()->selectedObjects();
for( vvector<selectableObject *>::iterator it =
selected.begin();
it != selected.end(); ++it )
{
bbTCO * bb_tco = dynamic_cast<bbTCO *>( *it );
if( bb_tco )
{
bb_tco->setColor( _new_color );
}
}
}
else
{
setColor( _new_color );
}
}
void bbTCO::setColor( QColor _new_color )
{
if( _new_color != m_color )
{
m_color = _new_color;
engine::getSongEditor()->setModified();
update();
}
}
bbTrack::bbTrack( trackContainer * _tc ) :
track( _tc )
{
getTrackWidget()->setFixedHeight( 32 );
// drag'n'drop with bb-tracks only causes troubles (and makes no sense
// too), so disable it
getTrackWidget()->setAcceptDrops( FALSE );
csize bbNum = s_infoMap.size();
s_infoMap[this] = bbNum;
m_trackLabel = new nameLabel( tr( "Beat/Baseline %1" ).arg( bbNum ),
getTrackSettingsWidget() );
m_trackLabel->setPixmap( embed::getIconPixmap( "bb_track" ) );
m_trackLabel->setGeometry( 1, 1, DEFAULT_SETTINGS_WIDGET_WIDTH - 2,
29 );
m_trackLabel->show();
connect( m_trackLabel, SIGNAL( clicked() ),
this, SLOT( clickedTrackLabel() ) );
connect( m_trackLabel, SIGNAL( nameChanged() ),
engine::getBBEditor(), SLOT( updateComboBox() ) );
connect( m_trackLabel, SIGNAL( pixmapChanged() ),
engine::getBBEditor(), SLOT( updateComboBox() ) );
engine::getBBEditor()->setCurrentBB( bbNum );
engine::getBBEditor()->updateComboBox();
_tc->updateAfterTrackAdd();
}
bbTrack::~bbTrack()
{
engine::getMixer()->removePlayHandles( this );
csize bb = s_infoMap[this];
engine::getBBEditor()->removeBB( bb );
for( infoMap::iterator it = s_infoMap.begin(); it != s_infoMap.end();
++it )
{
#ifdef QT4
if( it.value() > bb )
{
--it.value();
}
#else
if( it.data() > bb )
{
--it.data();
}
#endif
}
s_infoMap.remove( this );
engine::getBBEditor()->updateComboBox();
}
track::trackTypes bbTrack::type( void ) const
{
return( BB_TRACK );
}
// play _frames frames of given TCO within starting with _start
bool FASTCALL bbTrack::play( const midiTime & _start,
const fpab_t _frames,
const f_cnt_t _frame_base,
Sint16 _tco_num )
{
sendMidiTime( _start );
if( _tco_num >= 0 )
{
return( engine::getBBEditor()->play( _start, _frames,
_frame_base,
s_infoMap[this] ) );
}
vlist<trackContentObject *> tcos;
getTCOsInRange( tcos, _start, _start + static_cast<Sint32>( _frames /
engine::framesPerTact64th() ) );
if ( tcos.size() == 0 )
{
return( FALSE );
}
midiTime lastPosition;
midiTime lastLen;
for( vlist<trackContentObject *>::iterator it = tcos.begin();
it != tcos.end(); ++it )
{
if( !( *it )->muted() &&
( *it )->startPosition() >= lastPosition )
{
lastPosition = ( *it )->startPosition();
lastLen = ( *it )->length();
}
}
if( _start - lastPosition < lastLen )
{
return( engine::getBBEditor()->play( _start - lastPosition,
_frames,
_frame_base,
s_infoMap[this] ) );
}
return( FALSE );
}
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
vlist<trackContentObject *> 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( "name", m_trackLabel->text() );
_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::getBBEditor() ) )->saveState(
_doc, _this );
}
int track_num = 0;
trackVector tracks = engine::getBBEditor()->tracks();
for( trackVector::iterator it = tracks.begin(); it != tracks.end();
++it, ++track_num )
{
if( automationDisabled( *it ) )
{
QDomElement disabled = _doc.createElement(
"automation-disabled" );
disabled.setAttribute( "track", track_num );
_this.appendChild( disabled );
}
}
}
void bbTrack::loadTrackSpecificSettings( const QDomElement & _this )
{
m_trackLabel->setText( _this.attribute( "name" ) );
if( _this.attribute( "icon" ) != "" )
{
m_trackLabel->setPixmapFile( _this.attribute( "icon" ) );
}
engine::getBBEditor()->updateComboBox();
QDomNode node = _this.namedItem( trackContainer::classNodeName() );
if( node.isElement() )
{
( (journallingObject *)engine::getBBEditor() )->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] );
}*/
trackVector tracks = engine::getBBEditor()->tracks();
node = _this.firstChild();
while( !node.isNull() )
{
if( node.isElement()
&& node.nodeName() == "automation-disabled" )
{
disableAutomation( tracks[node.toElement().attribute(
"track" ).toInt()] );
}
node = node.nextSibling();
}
}
// return pointer to bbTrack specified by _bb_num
bbTrack * bbTrack::findBBTrack( csize _bb_num )
{
for( infoMap::iterator it = s_infoMap.begin(); it != s_infoMap.end();
++it )
{
#ifdef QT4
if( it.value() == _bb_num )
#else
if( it.data() == _bb_num )
#endif
{
return( it.key() );
}
}
return( NULL );
}
csize 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::getBBEditor()->swapBB( s_infoMap[t1], s_infoMap[t2] );
engine::getBBEditor()->setCurrentBB( s_infoMap[t1] );
}
}
void bbTrack::clickedTrackLabel( void )
{
engine::getBBEditor()->setCurrentBB( s_infoMap[this] );
engine::getBBEditor()->show();
}
#include "bb_track.moc"
#endif