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6.87
QwtWheel Class Reference
6.87.3.9
396
void QwtWheel::setViewAngle (double angle)
Specify the visible portion of the wheel.
You may use this function for fine-tuning the appearance of the wheel. The default value is 175 degrees.
The value is limited from 10 to 175 degrees.
Parameters:
angle Visible angle in degrees
See also:
viewAngle(), setTotalAngle()
6.87.3.10
void QwtWheel::setInternalBorder (int w)
Set the internal border width of the wheel.
The internal border must not be smaller than 1 and is limited in dependence on the wheel’s size. Values
outside the allowed range will be clipped.
The internal border defaults to 2.
Parameters:
w border width
See also:
internalBorder()
6.87.3.11
void QwtWheel::setMass (double val) [virtual]
Set the mass of the wheel.
Assigning a mass turns the wheel into a flywheel.
Parameters:
val the wheel’s mass
Reimplemented from QwtAbstractSlider.
6.87.3.12
void QwtWheel::setWheelWidth (int w)
Set the width of the wheel.
Corresponds to the wheel height for horizontal orientation, and the wheel width for vertical orientation.
Parameters:
w the wheel’s width
6.87.3.13
QSize QwtWheel::sizeHint () const [virtual]
Returns:
a size hint
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