QwtPickerDragPointMachine - A state machine for point selections.

NAME  SYNOPSIS  Public Member Functions  Additional Inherited Members  Detailed Description  Constructor & Destructor Documentation  QwtPickerDragPointMachine::QwtPickerDragPointMachine ()  Member Function Documentation  QList< QwtPickerMachine::Command > QwtPickerDragPointMachine::transition(const QwtEventPattern & eventPattern, const QEvent * event)[override], [virtual]  Author 

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NAME

QwtPickerDragPointMachine − A state machine for point selections.

SYNOPSIS

#include <qwt_picker_machine.h>

Inherits QwtPickerMachine.

Public Member Functions

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

Public Member Functions inherited from QwtPickerMachine

QwtPickerMachine (SelectionType)
Constructor.
virtual ˜QwtPickerMachine ()
Destructor.
void reset ()
Set the current state to 0.
int state () const
Return the current state.
void setState (int)
Change the current state.
SelectionType selectionType () const
Return the selection type.

Additional Inherited Members

Public Types inherited from QwtPickerMachine

enum SelectionType { NoSelection = -1, PointSelection, RectSelection, PolygonSelection }
enum Command { Begin, Append, Move, Remove, End }
Commands - the output of a state machine.

Detailed Description

A state machine for point selections.

Pressing QwtEventPattern::MouseSelect1 or QwtEventPattern::KeySelect1 starts the selection, releasing QwtEventPattern::MouseSelect1 or a second press of QwtEventPattern::KeySelect1 terminates it.

Definition at line 118 of file qwt_picker_machine.h.

Constructor & Destructor Documentation

QwtPickerDragPointMachine::QwtPickerDragPointMachine ()

Constructor.

Definition at line 140 of file qwt_picker_machine.cpp.

Member Function Documentation

QList< QwtPickerMachine::Command > QwtPickerDragPointMachine::transition(const QwtEventPattern & eventPattern, const QEvent * event)[override], [virtual]

Transition.

Implements QwtPickerMachine.

Definition at line 146 of file qwt_picker_machine.cpp.

Author

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

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