QwtPickerDragLineMachine - A state machine for line selections.

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Version 6.1.4                                    Wed Jan 2 2019                      QwtPickerDragLineMachine(3)

       A state machine for line selections.

       Pressing QwtEventPattern::MouseSelect1 selects the first point, releasing it the second point. Pressing
       QwtEventPattern::KeySelect1 also selects the first point, a second press selects the second point and
       terminates the selection.

       A common use case of QwtPickerDragLineMachine are pickers for distance measurements.

       Seealso:QwtEventPattern::MousePatternCode, QwtEventPattern::KeyPatternCode

       QwtPickerDragLineMachine - A state machine for line selections.

       #include <qwt_picker_machine.h>

       Inherits QwtPickerMachine.

   PublicMemberFunctionsQwtPickerDragLineMachine ()
           Constructor.
       virtual QList< Command > transition (const QwtEventPattern &, const QEvent *)
           Transition.

   AdditionalInheritedMembers