QwtPickerMachine Class Reference
A state machine for QwtPicker selections. More...
#include <qwt_picker_machine.h>
Inheritance diagram for QwtPickerMachine:
Public Types | |
enum | Command { Begin, Append, Move, End } |
typedef QList< Command > | CommandList |
Public Member Functions | |
virtual | ~QwtPickerMachine () |
virtual CommandList | transition (const QwtEventPattern &, const QEvent *)=0 |
void | reset () |
int | state () const |
void | setState (int) |
Protected Member Functions | |
QwtPickerMachine () |
Detailed Description
A state machine for QwtPicker selections.
QwtPickerMachine accepts key and mouse events and translates them into selection commands.
Member Enumeration Documentation
Commands - the output of the state machine.
Constructor & Destructor Documentation
QwtPickerMachine::~QwtPickerMachine | ( | ) | [virtual] |
Destructor.
QwtPickerMachine::QwtPickerMachine | ( | ) | [protected] |
Constructor.
Member Function Documentation
void QwtPickerMachine::reset | ( | ) |
Set the current state to 0.
void QwtPickerMachine::setState | ( | int | state | ) |
Change the current state.
int QwtPickerMachine::state | ( | ) | const |
Return the current state.
virtual CommandList QwtPickerMachine::transition | ( | const QwtEventPattern & | , | |
const QEvent * | ||||
) | [pure virtual] |
Transition.
Implemented in QwtPickerClickPointMachine, QwtPickerDragPointMachine, QwtPickerClickRectMachine, QwtPickerDragRectMachine, and QwtPickerPolygonMachine.
Generated on Wed Sep 2 18:37:25 2009 for Qwt User's Guide by 1.6.1