void TimelineWidget::layout(bool update_geometry)
{
if(mpD->mpController == NULL)
{
setScaleDraw(new QwtScaleDraw);
setRange(0.0, 1.0);
mpD->animCount = 0;
return;
}
if(mpD->mpController->getFrameType() == FRAME_TIME)
{
setScaleDraw(new QwtTimeScaleDraw);
}
else
{
setScaleDraw(new QwtScaleDraw);
}
setRange(mpD->mpController->getStartFrame(), mpD->mpController->getStopFrame());
mpD->animCount = mpD->mpController->getNumAnimations();
QRect r = rect();
int d1, d2;
scaleDraw()->getBorderDistHint(font(), d1, d2);
int mbd = qwtMax(d1, d2);
int scaleHeight = scaleDraw()->extent(QPen(), font());
mpD->animRect.setRect(
r.x() + mbd + mpD->borderWidth,
r.y() + scaleHeight + mpD->borderWidth + mpD->scaleDist,
r.width() - 2 * (mpD->borderWidth + mbd),
mpD->animCount * (mpD->animHeight + mpD->animSpacing));
scaleDraw()->setAlignment(QwtScaleDraw::TopScale);
scaleDraw()->move(mpD->animRect.x(), mpD->animRect.y() - mpD->scaleDist);
scaleDraw()->setLength(mpD->animRect.width());
// paint the scale in this area
mpD->map.setPaintInterval(mpD->animRect.x(), mpD->animRect.x() + mpD->animRect.width() - 1);
if(update_geometry)
{
updateGeometry();
update();
}
}
void QwtKnob::initKnob()
{
d_data = new PrivateData;
setScaleDraw( new QwtRoundScaleDraw() );
setUpdateTime( 50 );
setTotalAngle( 270.0 );
recalcAngle();
setSizePolicy( QSizePolicy( QSizePolicy::Minimum, QSizePolicy::Minimum ) );
setRange( 0.0, 10.0, 1.0 );
setValue( 0.0 );
}
/*!
\brief Constructor
Construct a knob with an angle of 270°. The style is
QwtKnob::Raised and the marker style is QwtKnob::Notch.
The width of the knob is set to 50 pixels.
\param parent Parent widget
\sa setTotalAngle()
*/
QwtKnob::QwtKnob( QWidget* parent ):
QwtAbstractSlider( parent )
{
d_data = new PrivateData;
setScaleDraw( new QwtRoundScaleDraw() );
setTotalAngle( 270.0 );
setScale( 0.0, 10.0 );
setValue( 0.0 );
setSizePolicy( QSizePolicy::MinimumExpanding,
QSizePolicy::MinimumExpanding );
}
/*!
\brief Constructor
\param parent Parent widget
Create a compass widget with a scale, no needle and no rose.
The default origin is 270.0 with no valid value. It accepts
mouse and keyboard inputs and has no step size. The default mode
is QwtDial::RotateNeedle.
*/
QwtCompass::QwtCompass( QWidget* parent ):
QwtDial( parent )
{
d_data = new PrivateData;
setScaleDraw( new QwtCompassScaleDraw() );
setOrigin( 270.0 );
setWrapping( true );
setScaleMaxMajor( 36 );
setScaleMaxMinor( 10 );
setScale( 0.0, 360.0 ); // degrees as default
setTotalSteps( 360 );
}
void QwtKnob::initKnob()
{
#if QT_VERSION < 0x040000
setWFlags(Qt::WNoAutoErase);
#endif
d_data = new PrivateData;
setScaleDraw(new QwtRoundScaleDraw());
setUpdateTime(50);
setTotalAngle( 270.0 );
recalcAngle();
setSizePolicy(QSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum));
setRange(0.0, 10.0, 1.0);
setValue(0.0);
}
/*!
A wrapper method for accessing the scale draw.
\param components Scale components
\sa QwtAbstractScaleDraw::enableComponent()
*/
void QwtDial::setScaleComponents(
QwtAbstractScaleDraw::ScaleComponents components )
{
if ( components == 0 )
setScaleDraw( NULL );
QwtDialScaleDraw *sd = d_data->scaleDraw;
if ( sd == NULL )
return;
sd->enableComponent( QwtAbstractScaleDraw::Backbone,
components & QwtAbstractScaleDraw::Backbone );
sd->enableComponent( QwtAbstractScaleDraw::Ticks,
components & QwtAbstractScaleDraw::Ticks );
sd->enableComponent( QwtAbstractScaleDraw::Labels,
components & QwtAbstractScaleDraw::Labels );
}
/*!
A wrapper method for accessing the scale draw.
- options == 0\n
No visible scale: setScaleDraw(NULL)
- options & ScaleBackbone\n
En/disable the backbone of the scale.
- options & ScaleTicks\n
Don´t change anything. Otherwise set all tick lengths to 0.
- options & ScaleLabel\n
En/disable scale labels
\sa QwtScaleDraw:.setOptions, QwtScaleDraw::setTickLength,
QwtDialScaleDraw::showLabels
*/
void QwtDial::setScaleOptions(int options)
{
if ( options == 0 )
setScaleDraw(NULL);
if ( d_scaleDraw == NULL )
return;
int flags = d_scaleDraw->options();
if ( options & ScaleBackbone )
flags |= QwtScaleDraw::Backbone;
else
flags &= ~QwtScaleDraw::Backbone;
d_scaleDraw->setOptions(flags);
if ( !(options & ScaleTicks) )
d_scaleDraw->setTickLength(0, 0, 0);
d_scaleDraw->showLabels(options & ScaleLabel);
}