void QSlider::moveSlider( int pos )
{
int a = available();
int newPos = QMIN( a, QMAX( 0, pos ) );
int newVal = valueFromPosition( newPos );
if ( sliderVal != newVal ) {
sliderVal = newVal;
emit sliderMoved( sliderVal );
}
if ( tracking() && sliderVal != value() ) {
setValue( sliderVal );
// ### Why do we emit the valueChanged signal here? It will get emitted in
// valueChange() anyway...
//emit valueChanged( sliderVal );
}
switch ( (GUIStyle)style() ) {
case WindowsStyle:
newPos = positionFromValue( newVal );
break;
default:
case MotifStyle:
break;
}
if ( sliderPos != newPos )
reallyMoveSlider( newPos );
}
void
QvisOpacitySlider::moveSlider(int pos)
{
int newPos = qMin(available(), qMax( 0, pos));
int newVal = valueFromPosition(newPos);
newPos = positionFromValue( newVal );
if(sliderPos != newPos)
reallyMoveSlider(newPos);
}
void
QvisOpacitySlider::paintValueText(QPainter *p, const QPalette &cg, int x,
int h)
{
// Create the text that we have to display.
int v = (state == Dragging) ? (valueFromPosition(sliderPos)) : value();
float t = float(v - minimum()) / float(maximum() - minimum());
QString txt; txt.sprintf("%d%%", int(t * 100.f));
// Figure out the y offset.
int dy = h - fontMetrics().height();
int y = (h - dy / 2);
// Set the brush and draw the text.
p->setPen(cg.color(QPalette::Text));
p->drawText(x + textPadding(), y, txt);
}
void QSlider::resetState()
{
if ( timer ) {
timer->stop();
timer->disconnect();
}
switch ( state ) {
case TimingUp:
case TimingDown:
break;
case Dragging: {
setValue( valueFromPosition( sliderPos ) );
emit sliderReleased();
break;
}
case Idle:
break;
default:
qWarning("QSlider: (%s) in wrong state", name( "unnamed" ) );
}
state = Idle;
}
void
QvisOpacitySlider::resetState()
{
if(timer )
{
timer->stop();
timer->disconnect();
}
switch(state)
{
case TimingUp:
case TimingDown:
break;
case Dragging:
setValue(valueFromPosition(sliderPos));
// emit sliderReleased();
break;
case Idle:
break;
}
state = Idle;
}
