The QFinalState class provides a final state. 更多...
| 頭: | #include <QFinalState> |
| qmake: | QT += core |
| Since: | Qt 4.6 |
| 繼承: | 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.
最終狀態用於傳達 (屬於) QStateMachine 已完成其工作。當進入最終頂層狀態時,狀態機的 finished () 信號發射。一般而言,當最終子狀態 (子級化的 QState ) 進入,父級狀態的 finished () 信號發射。 QFinalState 屬於 狀態機框架 .
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();
另請參閱 QState::finished ().
構造新的 QFinalState 對象采用給定 parent 狀態。
[虛擬]
QFinalState::
~QFinalState
()
銷毀此最終狀態。
[override virtual protected]
bool
QFinalState::
event
(
QEvent
*
e
)
重實現自 QAbstractState::event ().
[override virtual protected]
void
QFinalState::
onEntry
(
QEvent
*
event
)
重實現自 QAbstractState::onEntry ().
[override virtual protected]
void
QFinalState::
onExit
(
QEvent
*
event
)
重實現自 QAbstractState::onExit ().