The QFinalState class provides a final state. 更多...
| 头: | #include <QFinalState> | 
| qmake: | QT += core | 
| Since: | Qt 4.6 | 
| 继承: | QAbstractState | 
| QFinalState (QState * parent = nullptr) | |
| virtual | ~QFinalState () | 
| const QMetaObject | staticMetaObject | 
| virtual bool | event (QEvent * e ) override | 
| virtual void | onEntry (QEvent * event ) override | 
| virtual void | onExit (QEvent * event ) override | 
The QFinalState class provides a final state.
最终状态用于传达 (属于) QStateMachine 已完成其工作。当进入最终顶层状态时,状态机的 finished () 信号发射。一般而言,当最终子状态 (子级化的 QState ) 进入,父级状态的 finished () 信号发射。 QFinalState 属于 状态机框架 .
To use a final state, you create a QFinalState object and add a transition to it from another state. Example:
QPushButton button; QStateMachine machine; QState *s1 = new QState(); QFinalState *s2 = new QFinalState(); s1->addTransition(&button, SIGNAL(clicked()), s2); machine.addState(s1); machine.addState(s2); QObject::connect(&machine, SIGNAL(finished()), QApplication::instance(), SLOT(quit())); machine.setInitialState(s1); machine.start();
另请参阅 QState::finished ().
构造新的 QFinalState 对象采用给定 parent 状态。
[虚拟]
						
						QFinalState::
						
							~QFinalState
						
						()
						
					销毁此最终状态。
[override virtual protected]
						
						
							bool
						
						QFinalState::
						
							event
						
						(
						
							
								QEvent
							
						
						*
						
							e
						
						)
						
					重实现自 QAbstractState::event ().
[override virtual protected]
						
						
							void
						
						QFinalState::
						
							onEntry
						
						(
						
							
								QEvent
							
						
						*
						event
						)
						
					重实现自 QAbstractState::onEntry ().
[override virtual protected]
						
						
							void
						
						QFinalState::
						
							onExit
						
						(
						
							
								QEvent
							
						
						*
						event
						)
						
					重实现自 QAbstractState::onExit ().