| Qwt User's Guide
    6.0.2
    | 
#include <qwt_picker_machine.h>

| Public Member Functions | |
| QwtPickerPolygonMachine () | |
| virtual QList< Command > | transition (const QwtEventPattern &, const QEvent *) | 
|  Public Member Functions inherited from QwtPickerMachine | |
| QwtPickerMachine (SelectionType) | |
| virtual | ~QwtPickerMachine () | 
| void | reset () | 
| SelectionType | selectionType () const | 
| void | setState (int) | 
| int | state () const | 
| Additional Inherited Members | |
|  Public Types inherited from QwtPickerMachine | |
| enum | Command { Begin, Append, Move, Remove, End } | 
| enum | SelectionType { NoSelection = -1, PointSelection, RectSelection, PolygonSelection } | 
A state machine for polygon selections.
Pressing QwtEventPattern::MouseSelect1 or QwtEventPattern::KeySelect1 starts the selection and selects the first point, or appends a point. Pressing QwtEventPattern::MouseSelect2 or QwtEventPattern::KeySelect2 appends the last point and terminates the selection.
 1.8.1
 1.8.1