void QRangeModel::setPositionRange(qreal min, qreal max)
{
Q_D(QRangeModel);
bool emitPosAtMinChanged = !qFuzzyCompare(min, d->posatmin);
bool emitPosAtMaxChanged = !qFuzzyCompare(max, d->posatmax);
if (!(emitPosAtMinChanged || emitPosAtMaxChanged))
return;
const qreal oldPosition = position();
d->posatmin = min;
d->posatmax = max;
// When a new positionRange is defined, the position property must be updated based on the value property.
// For instance, imagine that you have a valueRange of [0,100] and a position range of [20,100],
// if a user set the value to 50, the position would be 60. If this positionRange is updated to [0,100], then
// the new position, based on the value (50), will be 50.
// If the newPosition is different than the old one, it must be updated, in order to emit
// the positionChanged signal.
d->pos = d->equivalentPosition(d->value);
if (emitPosAtMinChanged)
emit positionAtMinimumChanged(d->posatmin);
if (emitPosAtMaxChanged)
emit positionAtMaximumChanged(d->posatmax);
d->emitValueAndPositionIfChanged(value(), oldPosition);
}
int QRangeModel::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QObject::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: valueChanged((*reinterpret_cast< qreal(*)>(_a[1]))); break;
case 1: positionChanged((*reinterpret_cast< qreal(*)>(_a[1]))); break;
case 2: stepSizeChanged((*reinterpret_cast< qreal(*)>(_a[1]))); break;
case 3: invertedChanged((*reinterpret_cast< bool(*)>(_a[1]))); break;
case 4: minimumChanged((*reinterpret_cast< qreal(*)>(_a[1]))); break;
case 5: maximumChanged((*reinterpret_cast< qreal(*)>(_a[1]))); break;
case 6: positionAtMinimumChanged((*reinterpret_cast< qreal(*)>(_a[1]))); break;
case 7: positionAtMaximumChanged((*reinterpret_cast< qreal(*)>(_a[1]))); break;
case 8: toMinimum(); break;
case 9: toMaximum(); break;
case 10: setValue((*reinterpret_cast< qreal(*)>(_a[1]))); break;
case 11: setPosition((*reinterpret_cast< qreal(*)>(_a[1]))); break;
case 12: { qreal _r = valueForPosition((*reinterpret_cast< qreal(*)>(_a[1])));
if (_a[0]) *reinterpret_cast< qreal*>(_a[0]) = _r; } break;
case 13: { qreal _r = positionForValue((*reinterpret_cast< qreal(*)>(_a[1])));
if (_a[0]) *reinterpret_cast< qreal*>(_a[0]) = _r; } break;
default: ;
}
_id -= 14;
}
#ifndef QT_NO_PROPERTIES
else if (_c == QMetaObject::ReadProperty) {
void *_v = _a[0];
switch (_id) {
case 0: *reinterpret_cast< qreal*>(_v) = value(); break;
case 1: *reinterpret_cast< qreal*>(_v) = minimum(); break;
case 2: *reinterpret_cast< qreal*>(_v) = maximum(); break;
case 3: *reinterpret_cast< qreal*>(_v) = stepSize(); break;
case 4: *reinterpret_cast< qreal*>(_v) = position(); break;
case 5: *reinterpret_cast< qreal*>(_v) = positionAtMinimum(); break;
case 6: *reinterpret_cast< qreal*>(_v) = positionAtMaximum(); break;
case 7: *reinterpret_cast< bool*>(_v) = inverted(); break;
}
_id -= 8;
} else if (_c == QMetaObject::WriteProperty) {
void *_v = _a[0];
switch (_id) {
case 0: setValue(*reinterpret_cast< qreal*>(_v)); break;
case 1: setMinimum(*reinterpret_cast< qreal*>(_v)); break;
case 2: setMaximum(*reinterpret_cast< qreal*>(_v)); break;
case 3: setStepSize(*reinterpret_cast< qreal*>(_v)); break;
case 4: setPosition(*reinterpret_cast< qreal*>(_v)); break;
case 5: setPositionAtMinimum(*reinterpret_cast< qreal*>(_v)); break;
case 6: setPositionAtMaximum(*reinterpret_cast< qreal*>(_v)); break;
case 7: setInverted(*reinterpret_cast< bool*>(_v)); break;
}
_id -= 8;
} else if (_c == QMetaObject::ResetProperty) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyDesignable) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyScriptable) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyStored) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyEditable) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyUser) {
_id -= 8;
}
#endif // QT_NO_PROPERTIES
return _id;
}
