Qwt User's Guide
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A state machine for polygon selections. More...
#include <qwt_picker_machine.h>
Public Member Functions | |
QwtPickerPolygonMachine () | |
Constructor. | |
virtual QList< Command > | transition (const QwtEventPattern &, const QEvent *) |
Transition. |
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.