#include <qwt_knob.h>
Inherits QwtSliderBase, and QwtScaleIf.
Inheritance diagram for QwtKnob
Public Types | |
enum | Symbol { Line, Dot } |
Public Methods | |
QwtKnob (QWidget* parent = 0, const char *name = 0) | |
~QwtKnob () | |
void | setKnobWidth (int w) |
void | setTotalAngle (double angle) |
void | setBorderWidth (int bw) |
The QwtKnob widget imitates look and behaviour of a volume knob on a radio. It contains a scale around the knob which is set up automatically or can be configured manually (see QwtScaleIf). Automatic scrolling is enabled when the user presses a mouse button on the scale. For a description of signals, slots and other members, see QwtSliderBase.
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Constructor.
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Destructor.
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Set the knob's border width.
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Change the knob's width.
The specified width must be >= 5, or it will be clipped.
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Set the total angle by which the knob can be turned.
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