trusty (3) QwtPickerPolygonMachine.3.gz

NAME

       QwtPickerPolygonMachine -

       A state machine for polygon selections.

SYNOPSIS

       #include <qwt_picker_machine.h>

       Inherits QwtPickerMachine.

   Public Member Functions
       QwtPickerPolygonMachine ()
       virtual QList< Command > transition (const QwtEventPattern &, const QEvent *)

Detailed Description

       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:
           QwtEventPattern::MousePatternCode, QwtEventPattern::KeyPatternCode

Constructor & Destructor Documentation

   QwtPickerPolygonMachine::QwtPickerPolygonMachine ()
       Constructor.

Member Function Documentation

   QList< QwtPickerMachine::Command > QwtPickerPolygonMachine::transition (const QwtEventPattern &eventPattern,
       const QEvent *e) [virtual]
       Transition.

       Implements QwtPickerMachine.

Author

       Generated automatically by Doxygen for Qwt User's Guide from the source code.