diff options
Diffstat (limited to 'doc/src/statemachine.qdoc')
| -rw-r--r-- | doc/src/statemachine.qdoc | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/doc/src/statemachine.qdoc b/doc/src/statemachine.qdoc index 3051d19..60ae815 100644 --- a/doc/src/statemachine.qdoc +++ b/doc/src/statemachine.qdoc @@ -76,11 +76,10 @@ becomes part of your application's event loop. The above state machine is perfectly fine, but it doesn't \e do anything; it - merely transitions from one state to another. The - QAbstractState::assignProperty() function can be used to have a state set a - property of a QObject when the state is entered. In the following snippet, - the value that should be assigned to a QLabel's text property is specified - for each state: + merely transitions from one state to another. The QState::assignProperty() + function can be used to have a state set a property of a QObject when the + state is entered. In the following snippet, the value that should be + assigned to a QLabel's text property is specified for each state: \code s1->assignProperty(label, "text", "In state s1"); @@ -91,13 +90,12 @@ When any of the states is entered, the label's text will be changed accordingly. - The QActionState::invokeMethodOnEntry() function can be used to have a state - invoke a method (a slot) of a QObject when the state is entered. In the + The QActionState::entered() signal is emitted when the state is entered. In the following snippet, the button's showMaximized() slot will be called when state \c s3 is entered: \code - s2->invokeMethodOnEntry(button, "showMaximized"); + QObject::connect(s3, SIGNAL(entered()), button, SLOT(showMaximized())); \endcode \section1 Sharing Transitions By Grouping States @@ -209,7 +207,7 @@ mbox.addButton(QMessageBox::Ok); mbox.setText("Interrupted!"); mbox.setIcon(QMessageBox::Information); - s3->invokeMethodOnEntry(&mbox, "exec"); + QObject::connect(s3, SIGNAL(entered()), &mbox, SLOT(exec())); s3->addTransition(s1h); machine.addState(s3); @@ -243,11 +241,11 @@ \caption This is a caption \endomit - To create a parallel state group, pass QState::ParallelStateGroup to the - QState constructor. + To create a parallel state group, pass QState::ParallelStates to the QState + constructor. \code - QState *s1 = new QState(QState::ParallelStateGroup); + QState *s1 = new QState(QState::ParallelStates); // s11 and s12 will be entered in parallel QState *s11 = new QState(s1); QState *s12 = new QState(s1); @@ -255,9 +253,8 @@ \section1 Detecting that a Composite State has Finished - A child state can be final; when a final child state is entered, a - QStateFinishedEvent is generated for the parent state. You can use the - QStateFinishedTransition class to trigger a transition based on this event. + A child state can be final; when a final child state is entered, the parent + state emits the QState::finished() signal. \img statemachine-finished.png \omit |