QwtPickerPolygonMachine(3) | Qwt User's Guide | QwtPickerPolygonMachine(3) |
QwtPickerPolygonMachine - A state machine for polygon selections.
#include <qwt_picker_machine.h>
Inherits QwtPickerMachine.
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.
See also:
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Wed Jan 2 2019 | Version 6.1.4 |