int ScrollBar::extent() const
{
QStyleOptionSlider opt;
opt.init(this);
opt.subControls = QStyle::SC_None;
opt.activeSubControls = QStyle::SC_None;
opt.orientation = orientation();
opt.minimum = minimum();
opt.maximum = maximum();
opt.sliderPosition = sliderPosition();
opt.sliderValue = value();
opt.singleStep = singleStep();
opt.pageStep = pageStep();
opt.upsideDown = invertedAppearance();
if (orientation() == Qt::Horizontal)
opt.state |= QStyle::State_Horizontal;
return style()->pixelMetric(QStyle::PM_ScrollBarExtent, &opt, this);
}
void VCSlider::slotMonitorDMXValueChanged(int value)
{
if (value != sliderValue())
{
if (invertedAppearance())
m_monitorValue = 255 - value;
else
m_monitorValue = value;
m_levelValueMutex.lock();
m_levelValue = m_monitorValue;
m_levelValueMutex.unlock();
if (m_slider)
m_slider->blockSignals(true);
setSliderValue(m_monitorValue, true);
setTopLabelText(sliderValue());
if (m_slider)
m_slider->blockSignals(false);
updateFeedback();
}
}
/**
* @brief TextBubbleSlider::paintEvent Reimplements QSlider::paintEvent.
* @param bob
*/
void TextBubbleSlider::paintEvent(QPaintEvent *paintEvent)
{
if (hidden)
{
return;
}
// Pass paint event on to QSlider
QSlider::paintEvent(paintEvent);
/* Add numbers on top of handler */
// Calculate pixel position for text.
int sliderWidth = width();
int sliderHeight = height();
double valuePos;
if (!invertedAppearance()) {
valuePos = (slideHandleWidth - maximumFontWidth)/2 + slideHandleMargin + // First part centers text in handle...
(value()-minimum())/(double)(maximum()-minimum()) * (sliderWidth - (slideHandleWidth + slideHandleMargin) - 1); //... and second part moves text with handle
} else {
valuePos = (slideHandleWidth - maximumFontWidth)/2 + slideHandleMargin + // First part centers text in handle...
(maximum()-value())/(double)(maximum()-minimum()) * (sliderWidth - (slideHandleWidth + slideHandleMargin) - 1); //... and second part moves text with handle
}
// Create painter and set font
QPainter painter(this);
painter.setFont(font);
// Draw neutral value text. Verically center it in the handle
QString neutralStringWidth = QString("%1").arg(value());
QFontMetrics fontMetrics(font);
int textWidth = fontMetrics.width(neutralStringWidth);
painter.drawText(QRectF(valuePos + maximumFontWidth - textWidth, ceil((sliderHeight - maximumFontHeight)/2.0), textWidth, maximumFontHeight),
neutralStringWidth);
}
void mousePressEvent ( QMouseEvent * event )
{
QStyleOptionSlider opt;
initStyleOption(&opt);
QRect sr = style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderHandle, this);
if (event->button() == Qt::LeftButton &&
sr.contains(event->pos()) == false)
{
int newVal;
if (orientation() == Qt::Vertical)
newVal = minimum() + ((maximum()-minimum()) * (height()-event->y())) / height();
else
newVal = minimum() + ((maximum()-minimum()) * event->x()) / width();
if (invertedAppearance() == true)
setValue( maximum() - newVal );
else
setValue(newVal);
event->accept();
}
QSlider::mousePressEvent(event);
}
void
StatsGauge::paintEvent( QPaintEvent* event )
{
QPainter p( this );
p.setRenderHint( QPainter::Antialiasing );
p.setClipRect( event->rect() );
QSize gaugeSize = m_sizeHint - QSize( 0, 40 );
QPen pen( TomahawkStyle::HEADER_GAUGE_HIGHLIGHT );
pen.setWidth( 16 );
p.setPen( pen );
int fullCircle = 16 * 360;
p.drawArc( QRect( 12, 12, gaugeSize.width() - 24, gaugeSize.height() - 24 ),
4 * 360, (int)( -1.0 * (float)fullCircle * ( invertedAppearance() ? ( 1.0 - m_percentage ) : m_percentage ) ) );
pen = QPen( TomahawkStyle::HEADER_GAUGE_HIGHLIGHT.darker() );
pen.setWidth( 6 );
p.setPen( pen );
QBrush brush( TomahawkStyle::HEADER_GAUGE_BACKGROUND );
p.setBrush( brush );
p.drawEllipse( QRect( 28, 28, gaugeSize.width() - 56, gaugeSize.height() - 56 ) );
pen = QPen( TomahawkStyle::HEADER_GAUGE_TEXT );
p.setPen( pen );
QFont font = p.font();
font.setWeight( QFont::Black );
if ( value() <= 999 )
font.setPixelSize( 60 );
else
font.setPixelSize( 44 );
p.setFont( font );
QRect textRect( 0, gaugeSize.height() / 2 - 14, gaugeSize.width(), 62 );
p.drawText( textRect, Qt::AlignCenter, value() > 0 ? QString::number( value() ) : "-" );
pen = QPen( TomahawkStyle::HEADER_GAUGE_TEXT.darker() );
p.setPen( pen );
font = p.font();
font.setWeight( QFont::Black );
font.setPixelSize( 16 );
p.setFont( font );
textRect = QRect( 0, gaugeSize.height() / 2 - 32, gaugeSize.width(), 20 );
p.drawText( textRect, Qt::AlignCenter, maximum() > 0 ? tr( "out of %1" ).arg( maximum() ) : "-" );
if ( !m_text.isEmpty() )
{
pen = QPen( TomahawkStyle::HEADER_GAUGE_TEXT );
p.setPen( pen );
font = p.font();
font.setWeight( QFont::DemiBold );
font.setPixelSize( 16 );
p.setFont( font );
QColor figColor( TomahawkStyle::HEADER_GAUGE_LABEL_BACKGROUND );
p.setBrush( figColor );
QFontMetrics fm( font );
int textWidth = fm.width( m_text );
textRect = QRect( m_sizeHint.width() / 2 - ( textWidth / 2 + 12 ), m_sizeHint.height() - 32, textWidth + 24, 28 );
TomahawkUtils::drawBackgroundAndNumbers( &p, m_text, textRect );
}
}
int QAbstractSlider::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QWidget::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: valueChanged((*reinterpret_cast< int(*)>(_a[1]))); break;
case 1: sliderPressed(); break;
case 2: sliderMoved((*reinterpret_cast< int(*)>(_a[1]))); break;
case 3: sliderReleased(); break;
case 4: rangeChanged((*reinterpret_cast< int(*)>(_a[1])),(*reinterpret_cast< int(*)>(_a[2]))); break;
case 5: actionTriggered((*reinterpret_cast< int(*)>(_a[1]))); break;
case 6: setValue((*reinterpret_cast< int(*)>(_a[1]))); break;
case 7: setOrientation((*reinterpret_cast< Qt::Orientation(*)>(_a[1]))); break;
}
_id -= 8;
}
#ifndef QT_NO_PROPERTIES
else if (_c == QMetaObject::ReadProperty) {
void *_v = _a[0];
switch (_id) {
case 0: *reinterpret_cast< int*>(_v) = minimum(); break;
case 1: *reinterpret_cast< int*>(_v) = maximum(); break;
case 2: *reinterpret_cast< int*>(_v) = singleStep(); break;
case 3: *reinterpret_cast< int*>(_v) = pageStep(); break;
case 4: *reinterpret_cast< int*>(_v) = value(); break;
case 5: *reinterpret_cast< int*>(_v) = sliderPosition(); break;
case 6: *reinterpret_cast< bool*>(_v) = hasTracking(); break;
case 7: *reinterpret_cast< Qt::Orientation*>(_v) = orientation(); break;
case 8: *reinterpret_cast< bool*>(_v) = invertedAppearance(); break;
case 9: *reinterpret_cast< bool*>(_v) = invertedControls(); break;
case 10: *reinterpret_cast< bool*>(_v) = isSliderDown(); break;
}
_id -= 11;
} else if (_c == QMetaObject::WriteProperty) {
void *_v = _a[0];
switch (_id) {
case 0: setMinimum(*reinterpret_cast< int*>(_v)); break;
case 1: setMaximum(*reinterpret_cast< int*>(_v)); break;
case 2: setSingleStep(*reinterpret_cast< int*>(_v)); break;
case 3: setPageStep(*reinterpret_cast< int*>(_v)); break;
case 4: setValue(*reinterpret_cast< int*>(_v)); break;
case 5: setSliderPosition(*reinterpret_cast< int*>(_v)); break;
case 6: setTracking(*reinterpret_cast< bool*>(_v)); break;
case 7: setOrientation(*reinterpret_cast< Qt::Orientation*>(_v)); break;
case 8: setInvertedAppearance(*reinterpret_cast< bool*>(_v)); break;
case 9: setInvertedControls(*reinterpret_cast< bool*>(_v)); break;
case 10: setSliderDown(*reinterpret_cast< bool*>(_v)); break;
}
_id -= 11;
} else if (_c == QMetaObject::ResetProperty) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyDesignable) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyScriptable) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyStored) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyEditable) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyUser) {
_id -= 11;
}
#endif // QT_NO_PROPERTIES
return _id;
}
bool VCSlider::saveXML(QDomDocument* doc, QDomElement* vc_root)
{
QDomElement root;
QDomElement tag;
QDomElement subtag;
QDomText text;
QString str;
Q_ASSERT(doc != NULL);
Q_ASSERT(vc_root != NULL);
/* VC Slider entry */
root = doc->createElement(KXMLQLCVCSlider);
vc_root->appendChild(root);
/* Caption */
root.setAttribute(KXMLQLCVCCaption, caption());
/* Inverted appearance */
if (invertedAppearance() == true)
root.setAttribute(KXMLQLCVCSliderInvertedAppearance, "true");
else
root.setAttribute(KXMLQLCVCSliderInvertedAppearance, "false");
/* Window state */
saveXMLWindowState(doc, &root);
/* Appearance */
saveXMLAppearance(doc, &root);
/* External input */
saveXMLInput(doc, &root);
/* Mode */
tag = doc->createElement(KXMLQLCVCSliderMode);
root.appendChild(tag);
text = doc->createTextNode(sliderModeToString(m_sliderMode));
tag.appendChild(text);
/* Value display style */
str = valueDisplayStyleToString(valueDisplayStyle());
tag.setAttribute(KXMLQLCVCSliderValueDisplayStyle, str);
/* Level */
tag = doc->createElement(KXMLQLCVCSliderLevel);
root.appendChild(tag);
/* Level low limit */
str.setNum(levelLowLimit());
tag.setAttribute(KXMLQLCVCSliderLevelLowLimit, str);
/* Level high limit */
str.setNum(levelHighLimit());
tag.setAttribute(KXMLQLCVCSliderLevelHighLimit, str);
/* Level value */
str.setNum(levelValue());
tag.setAttribute(KXMLQLCVCSliderLevelValue, str);
/* Level channels */
QListIterator <LevelChannel> it(m_levelChannels);
while (it.hasNext() == true)
{
LevelChannel lch(it.next());
lch.saveXML(doc, &tag);
}
/* Playback */
tag = doc->createElement(KXMLQLCVCSliderPlayback);
root.appendChild(tag);
/* Playback function */
subtag = doc->createElement(KXMLQLCVCSliderPlaybackFunction);
text = doc->createTextNode(QString::number(playbackFunction()));
subtag.appendChild(text);
tag.appendChild(subtag);
return true;
}
