A state machine for polygon selections. More...
#include <qwt_picker_machine.h>
Public Member Functions | |
virtual CommandList | transition (const QwtEventPattern &, const QEvent *) |
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.
QwtPickerMachine::CommandList QwtPickerPolygonMachine::transition | ( | const QwtEventPattern & | eventPattern, | |
const QEvent * | e | |||
) | [virtual] |
Transition.
Implements QwtPickerMachine.