Public Member Functions | List of all members
QwtPickerClickRectMachine Class Reference

A state machine for rectangle selections. More...

#include <qwt_picker_machine.h>

Inheritance diagram for QwtPickerClickRectMachine:
Inheritance graph
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Public Member Functions

 QwtPickerClickRectMachine ()
 Constructor. More...
 
virtual QList< Commandtransition (const QwtEventPattern &, const QEvent *)
 Transition. More...
 
- Public Member Functions inherited from QwtPickerMachine
 QwtPickerMachine (SelectionType)
 Constructor. More...
 
void reset ()
 Set the current state to 0. More...
 
SelectionType selectionType () const
 Return the selection type. More...
 
void setState (int)
 Change the current state. More...
 
int state () const
 Return the current state. More...
 
virtual ~QwtPickerMachine ()
 Destructor. More...
 

Additional Inherited Members

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

Detailed Description

A state machine for rectangle selections.

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

See also
QwtEventPattern::MousePatternCode, QwtEventPattern::KeyPatternCode

Definition at line 140 of file qwt_picker_machine.h.

Constructor & Destructor Documentation

QwtPickerClickRectMachine::QwtPickerClickRectMachine ( )

Constructor.

Definition at line 212 of file qwt_picker_machine.cpp.

Member Function Documentation

QList< QwtPickerMachine::Command > QwtPickerClickRectMachine::transition ( const QwtEventPattern eventPattern,
const QEvent *  event 
)
virtual

Transition.

Implements QwtPickerMachine.

Definition at line 218 of file qwt_picker_machine.cpp.


The documentation for this class was generated from the following files:


plotjuggler
Author(s): Davide Faconti
autogenerated on Sat Jul 6 2019 03:44:18