void FxMixerView::keyPressEvent(QKeyEvent * e)
{
switch(e->key())
{
case Qt::Key_Delete:
deleteChannel(m_currentFxLine->channelIndex());
break;
case Qt::Key_Left:
if( e->modifiers() & Qt::AltModifier )
{
moveChannelLeft( m_currentFxLine->channelIndex() );
}
else
{
// select channel to the left
setCurrentFxLine( m_currentFxLine->channelIndex()-1 );
}
break;
case Qt::Key_Right:
if( e->modifiers() & Qt::AltModifier )
{
moveChannelRight( m_currentFxLine->channelIndex() );
}
else
{
// select channel to the right
setCurrentFxLine( m_currentFxLine->channelIndex()+1 );
}
break;
}
}
void FxMixerView::setCurrentFxLine( int _line )
{
if( _line >= 0 && _line < m_fxChannelViews.size() )
{
setCurrentFxLine( m_fxChannelViews[_line]->m_fxLine );
}
}
void FxMixerView::refreshDisplay()
{
// delete all views and re-add them
for( int i = 1; i<m_fxChannelViews.size(); ++i )
{
chLayout->removeWidget(m_fxChannelViews[i]->m_fxLine);
delete m_fxChannelViews[i]->m_fader;
delete m_fxChannelViews[i]->m_muteBtn;
delete m_fxChannelViews[i]->m_soloBtn;
delete m_fxChannelViews[i]->m_fxLine;
delete m_fxChannelViews[i];
m_racksLayout->removeWidget( m_fxChannelViews[i]->m_rackView );
}
m_channelAreaWidget->adjustSize();
// re-add the views
m_fxChannelViews.resize(engine::fxMixer()->numChannels());
for( int i = 1; i < m_fxChannelViews.size(); ++i )
{
m_fxChannelViews[i] = new FxChannelView(m_channelAreaWidget, this, i);
chLayout->addWidget(m_fxChannelViews[i]->m_fxLine);
m_racksLayout->addWidget( m_fxChannelViews[i]->m_rackView );
}
// set selected fx line to 0
setCurrentFxLine( 0 );
// update all fx lines
for( int i = 0; i < m_fxChannelViews.size(); ++i )
{
updateFxLine( i );
}
updateMaxChannelSelector();
}
void FxMixerView::deleteChannel(int index)
{
// can't delete master
if( index == 0 ) return;
// remember selected line
int selLine = m_currentFxLine->channelIndex();
// in case the deleted channel is soloed or the remaining
// channels will be left in a muted state
Engine::fxMixer()->clearChannel(index);
// delete the real channel
Engine::fxMixer()->deleteChannel(index);
// delete the view
chLayout->removeWidget(m_fxChannelViews[index]->m_fxLine);
m_racksLayout->removeWidget( m_fxChannelViews[index]->m_rackView );
delete m_fxChannelViews[index]->m_fader;
delete m_fxChannelViews[index]->m_muteBtn;
delete m_fxChannelViews[index]->m_soloBtn;
// delete fxLine later to prevent a crash when deleting from context menu
m_fxChannelViews[index]->m_fxLine->hide();
m_fxChannelViews[index]->m_fxLine->deleteLater();
delete m_fxChannelViews[index]->m_rackView;
delete m_fxChannelViews[index];
m_channelAreaWidget->adjustSize();
// make sure every channel knows what index it is
for(int i=0; i<m_fxChannelViews.size(); ++i)
{
if( i > index )
{
m_fxChannelViews[i]->m_fxLine->setChannelIndex(i-1);
}
}
m_fxChannelViews.remove(index);
// select the next channel
if( selLine >= m_fxChannelViews.size() )
{
selLine = m_fxChannelViews.size()-1;
}
setCurrentFxLine(selLine);
updateMaxChannelSelector();
}
void FxMixerView::moveChannelLeft(int index, int focusIndex)
{
// can't move master or first channel left or last channel right
if( index <= 1 || index >= m_fxChannelViews.size() ) return;
FxMixer *m = Engine::fxMixer();
// Move instruments channels
m->moveChannelLeft( index );
// Update widgets models
m_fxChannelViews[index]->setChannelIndex( index );
m_fxChannelViews[index - 1]->setChannelIndex( index - 1 );
// Focus on new position
setCurrentFxLine( focusIndex );
}
void FxMixerView::deleteChannel(int index)
{
// can't delete master
if( index == 0 ) return;
// remember selected line
int selLine = m_currentFxLine->channelIndex();
// delete the real channel
engine::fxMixer()->deleteChannel(index);
// delete the view
chLayout->removeWidget(m_fxChannelViews[index]->m_fxLine);
delete m_fxChannelViews[index]->m_fader;
delete m_fxChannelViews[index]->m_muteBtn;
delete m_fxChannelViews[index]->m_soloBtn;
delete m_fxChannelViews[index]->m_fxLine;
delete m_fxChannelViews[index];
m_channelAreaWidget->adjustSize();
// delete the fx rack
m_racksLayout->removeWidget( m_fxChannelViews[index]->m_rackView );
// make sure every channel knows what index it is
for(int i=0; i<m_fxChannelViews.size(); ++i)
{
if( i > index )
{
m_fxChannelViews[i]->m_fxLine->setChannelIndex(i-1);
}
}
m_fxChannelViews.remove(index);
// select the next channel
if( selLine >= m_fxChannelViews.size() )
{
selLine = m_fxChannelViews.size()-1;
}
setCurrentFxLine(selLine);
updateMaxChannelSelector();
}
void FxMixerView::moveChannelLeft(int index)
{
// can't move master or first channel left or last channel right
if( index <= 1 || index >= m_fxChannelViews.size() ) return;
int selIndex = m_currentFxLine->channelIndex();
FxMixer * mix = engine::fxMixer();
mix->moveChannelLeft(index);
// refresh the two mixer views
for( int i = index-1; i <= index; ++i )
{
// delete the mixer view
int replaceIndex = chLayout->indexOf(m_fxChannelViews[i]->m_fxLine);
chLayout->removeWidget(m_fxChannelViews[i]->m_fxLine);
m_racksLayout->removeWidget( m_fxChannelViews[i]->m_rackView );
delete m_fxChannelViews[i]->m_fader;
delete m_fxChannelViews[i]->m_muteBtn;
delete m_fxChannelViews[i]->m_soloBtn;
delete m_fxChannelViews[i]->m_fxLine;
delete m_fxChannelViews[i];
// add it again
m_fxChannelViews[i] = new FxChannelView( m_channelAreaWidget, this, i );
chLayout->insertWidget( replaceIndex, m_fxChannelViews[i]->m_fxLine );
m_racksLayout->insertWidget( replaceIndex, m_fxChannelViews[i]->m_rackView );
}
// keep selected channel
if( selIndex == index )
{
selIndex = index-1;
}
else if( selIndex == index - 1 )
{
selIndex = index;
}
setCurrentFxLine(selIndex);
}
FxMixerView::FxMixerView() :
QWidget(),
ModelView( NULL, this ),
SerializingObjectHook()
{
FxMixer * m = Engine::fxMixer();
m->setHook( this );
//QPalette pal = palette();
//pal.setColor( QPalette::Background, QColor( 72, 76, 88 ) );
//setPalette( pal );
setAutoFillBackground( true );
setSizePolicy( QSizePolicy::Preferred, QSizePolicy::Fixed );
setWindowTitle( tr( "FX-Mixer" ) );
setWindowIcon( embed::getIconPixmap( "fx_mixer" ) );
// main-layout
QHBoxLayout * ml = new QHBoxLayout;
// Set margins
ml->setContentsMargins( 0, 4, 0, 0 );
// Channel area
m_channelAreaWidget = new QWidget;
chLayout = new QHBoxLayout( m_channelAreaWidget );
chLayout->setSizeConstraint( QLayout::SetMinimumSize );
chLayout->setSpacing( 0 );
chLayout->setMargin( 0 );
m_channelAreaWidget->setLayout(chLayout);
// create rack layout before creating the first channel
m_racksWidget = new QWidget;
m_racksLayout = new QStackedLayout( m_racksWidget );
m_racksLayout->setContentsMargins( 0, 0, 0, 0 );
m_racksWidget->setLayout( m_racksLayout );
// add master channel
m_fxChannelViews.resize( m->numChannels() );
m_fxChannelViews[0] = new FxChannelView( this, this, 0 );
m_racksLayout->addWidget( m_fxChannelViews[0]->m_rackView );
FxChannelView * masterView = m_fxChannelViews[0];
ml->addWidget( masterView->m_fxLine, 0, Qt::AlignTop );
QSize fxLineSize = masterView->m_fxLine->size();
// add mixer channels
for( int i = 1; i < m_fxChannelViews.size(); ++i )
{
m_fxChannelViews[i] = new FxChannelView(m_channelAreaWidget, this, i);
chLayout->addWidget( m_fxChannelViews[i]->m_fxLine );
}
// add the scrolling section to the main layout
// class solely for scroll area to pass key presses down
class ChannelArea : public QScrollArea
{
public:
ChannelArea( QWidget * parent, FxMixerView * mv ) :
QScrollArea( parent ), m_mv( mv ) {}
~ChannelArea() {}
virtual void keyPressEvent( QKeyEvent * e )
{
m_mv->keyPressEvent( e );
}
private:
FxMixerView * m_mv;
};
channelArea = new ChannelArea( this, this );
channelArea->setWidget( m_channelAreaWidget );
channelArea->setVerticalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
channelArea->setFrameStyle( QFrame::NoFrame );
channelArea->setMinimumWidth( fxLineSize.width() * 6 );
channelArea->setFixedHeight( fxLineSize.height() +
style()->pixelMetric( QStyle::PM_ScrollBarExtent ) );
ml->addWidget( channelArea, 1, Qt::AlignTop );
// show the add new effect channel button
QPushButton * newChannelBtn = new QPushButton( embed::getIconPixmap( "new_channel" ), QString::null, this );
newChannelBtn->setObjectName( "newChannelBtn" );
newChannelBtn->setFixedSize( fxLineSize );
connect( newChannelBtn, SIGNAL( clicked() ), this, SLOT( addNewChannel() ) );
ml->addWidget( newChannelBtn, 0, Qt::AlignTop );
// add the stacked layout for the effect racks of fx channels
ml->addWidget( m_racksWidget, 0, Qt::AlignTop | Qt::AlignRight );
setCurrentFxLine( m_fxChannelViews[0]->m_fxLine );
setLayout( ml );
updateGeometry();
// timer for updating faders
connect( gui->mainWindow(), SIGNAL( periodicUpdate() ),
this, SLOT( updateFaders() ) );
// add ourself to workspace
QMdiSubWindow * subWin = gui->mainWindow()->addWindowedWidget( this );
Qt::WindowFlags flags = subWin->windowFlags();
flags &= ~Qt::WindowMaximizeButtonHint;
subWin->setWindowFlags( flags );
layout()->setSizeConstraint( QLayout::SetMinimumSize );
subWin->layout()->setSizeConstraint( QLayout::SetMinAndMaxSize );
parentWidget()->setAttribute( Qt::WA_DeleteOnClose, false );
parentWidget()->move( 5, 310 );
// we want to receive dataChanged-signals in order to update
setModel( m );
}
