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Fader: add a way to disable the x100 display conversion so the fader widget can be used with arbitrary values

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Also it can now be used with alternate pixmaps
This commit is contained in:
Vesa
2014-12-10 06:55:59 +02:00
parent 150b16bd15
commit 170f60c8e0
6 changed files with 90 additions and 26 deletions
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2
src/gui/widgets/AutomatableSlider.cpp
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@@ -1,5 +1,5 @@
/*
* AutomatableSlider.cpp - implementation of class automatableSlider
* AutomatableSlider.cpp - implementation of class AutomatableSlider
*
* Copyright (c) 2006-2007 Javier Serrano Polo <jasp00/at/users.sourceforge.net>
* Copyright (c) 2007-2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>

97
src/gui/widgets/Fader.cpp
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@@ -74,6 +74,7 @@ Fader::Fader( FloatModel * _model, const QString & _name, QWidget * _parent ) :
m_persistentPeak_R( 0.0 ),
m_fMinPeak( 0.01f ),
m_fMaxPeak( 1.1 ),
m_displayConversion( true ),
m_moveStartPoint( -1 ),
m_startValue( 0 ),
m_peakGreen( 0, 0, 0 ),
@@ -95,7 +96,11 @@ Fader::Fader( FloatModel * _model, const QString & _name, QWidget * _parent ) :
{
s_knob = new QPixmap( embed::getIconPixmap( "fader_knob" ) );
}
m_back = s_back;
m_leds = s_leds;
m_knob = s_knob;
setWindowTitle( _name );
setAttribute( Qt::WA_OpaquePaintEvent, false );
setMinimumSize( 23, 116 );
@@ -105,6 +110,39 @@ Fader::Fader( FloatModel * _model, const QString & _name, QWidget * _parent ) :
}
Fader::Fader( FloatModel * model, const QString & name, QWidget * parent, QPixmap * back, QPixmap * leds, QPixmap * knob ) :
QWidget( parent ),
FloatModelView( model, this ),
m_model( model ),
m_fPeakValue_L( 0.0 ),
m_fPeakValue_R( 0.0 ),
m_persistentPeak_L( 0.0 ),
m_persistentPeak_R( 0.0 ),
m_fMinPeak( 0.01f ),
m_fMaxPeak( 1.1 ),
m_displayConversion( false ),
m_moveStartPoint( -1 ),
m_startValue( 0 ),
m_peakGreen( 0, 0, 0 ),
m_peakRed( 0, 0, 0 )
{
if( s_textFloat == NULL )
{
s_textFloat = new TextFloat;
}
m_back = back;
m_leds = leds;
m_knob = knob;
setWindowTitle( name );
setAttribute( Qt::WA_OpaquePaintEvent, false );
setMinimumSize( m_back->width(), m_back->height() );
setMaximumSize( m_back->width(), m_back->height() );
resize( m_back->width(), m_back->height() );
setModel( model );
}
Fader::~Fader()
{
@@ -172,19 +210,33 @@ void Fader::mousePressEvent( QMouseEvent* mouseEvent )
void Fader::mouseDoubleClickEvent( QMouseEvent* mouseEvent )
{
bool ok;
float newValue;
// TODO: dbV handling
int newValue = QInputDialog::getInt( this, windowTitle(),
tr( "Please enter a new value between %1 and %2:" ).
arg( model()->minValue()*100 ).
arg( model()->maxValue()*100 ),
model()->value()*100,
model()->minValue()*100,
model()->maxValue()*100, 1, &ok );
if( m_displayConversion )
{
newValue = QInputDialog::getDouble( this, windowTitle(),
tr( "Please enter a new value between %1 and %2:" ).
arg( model()->minValue() * 100 ).
arg( model()->maxValue() * 100 ),
model()->value() * 100,
model()->minValue() * 100,
model()->maxValue() * 100, 4, &ok ) * 0.01f;
}
else
{
newValue = QInputDialog::getDouble( this, windowTitle(),
tr( "Please enter a new value between %1 and %2:" ).
arg( model()->minValue() ).
arg( model()->maxValue() ),
model()->value(),
model()->minValue(),
model()->maxValue(), 4, &ok );
}
if( ok )
{
model()->setValue( newValue / 100.0f );
model()->setValue( newValue );
}
}
@@ -265,25 +317,24 @@ void Fader::setPeak_R( float fPeak )
// update tooltip showing value and adjust position while changing fader value
void Fader::updateTextFloat()
{
if( ConfigManager::inst()->value( "app", "displaydbv" ).toInt() )
if( ConfigManager::inst()->value( "app", "displaydbv" ).toInt() && m_displayConversion )
{
s_textFloat->setText( QString("Volume: %1 dBV").
arg( 20.0 * log10( model()->value() ), 3, 'f', 2 ) );
}
else
{
s_textFloat->setText( QString("Volume: %1 %").arg( m_model->value() * 100 ) );
s_textFloat->setText( QString("Volume: %1 %").arg( m_displayConversion ? m_model->value() * 100 : m_model->value() ) );
}
s_textFloat->moveGlobal( this, QPoint( width() - ( *s_knob ).width() - 5, knobPosY() - 46 ) );
s_textFloat->moveGlobal( this, QPoint( width() - ( *m_knob ).width() - 5, knobPosY() - 46 ) );
}
inline int Fader::calculateDisplayPeak( float fPeak )
{
int peak = (int)( 116 - ( fPeak / ( m_fMaxPeak - m_fMinPeak ) ) * 116.0 );
int peak = (int)( m_back->height() - ( fPeak / ( m_fMaxPeak - m_fMinPeak ) ) * m_back->height() );
if ( peak > 116 ) return 116;
else return peak;
return qMin( peak, m_back->height() );
}
void Fader::paintEvent( QPaintEvent * ev)
@@ -291,7 +342,7 @@ void Fader::paintEvent( QPaintEvent * ev)
QPainter painter(this);
// background
painter.drawPixmap( ev->rect(), *s_back, ev->rect() );
painter.drawPixmap( ev->rect(), *m_back, ev->rect() );
// peak leds
@@ -299,28 +350,28 @@ void Fader::paintEvent( QPaintEvent * ev)
int peak_L = calculateDisplayPeak( m_fPeakValue_L - m_fMinPeak );
int persistentPeak_L = qMax<int>( 3, calculateDisplayPeak( m_persistentPeak_L - m_fMinPeak ) );
painter.drawPixmap( QRect( 0, peak_L, 11, 116 - peak_L ), *s_leds, QRect( 0, peak_L, 11, 116 - peak_L ) );
painter.drawPixmap( QRect( 0, peak_L, 11, 116 - peak_L ), *m_leds, QRect( 0, peak_L, 11, 116 - peak_L ) );
if( m_persistentPeak_L > 0.05 )
{
painter.fillRect( QRect( 2, persistentPeak_L, 7, 1 ), ( m_persistentPeak_L < 1.0 )
? peakGreen()
? peakGreen()
: peakRed() );
}
int peak_R = calculateDisplayPeak( m_fPeakValue_R - m_fMinPeak );
int persistentPeak_R = qMax<int>( 3, calculateDisplayPeak( m_persistentPeak_R - m_fMinPeak ) );
painter.drawPixmap( QRect( 11, peak_R, 11, 116 - peak_R ), *s_leds, QRect( 11, peak_R, 11, 116 - peak_R ) );
painter.drawPixmap( QRect( 11, peak_R, 11, 116 - peak_R ), *m_leds, QRect( 11, peak_R, 11, 116 - peak_R ) );
if( m_persistentPeak_R > 0.05 )
{
painter.fillRect( QRect( 14, persistentPeak_R, 7, 1 ), ( m_persistentPeak_R < 1.0 )
? peakGreen()
? peakGreen()
: peakRed() );
}
// knob
painter.drawPixmap( 0, knobPosY() - ( *s_knob ).height(), *s_knob );
painter.drawPixmap( 0, knobPosY() - ( *m_knob ).height(), *s_knob );
}
@@ -333,12 +384,12 @@ QColor Fader::peakRed() const
{
return m_peakRed;
}
void Fader::setPeakGreen( const QColor & c )
{
m_peakGreen = c;
}
void Fader::setPeakRed( const QColor & c )
{
m_peakRed = c;