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-rw-r--r--doc/src/snippets/statemachine/main.cpp48
-rw-r--r--doc/src/snippets/statemachine/main2.cpp51
-rw-r--r--doc/src/snippets/statemachine/main3.cpp21
-rw-r--r--doc/src/snippets/statemachine/main4.cpp71
-rw-r--r--doc/src/snippets/statemachine/main5.cpp103
5 files changed, 294 insertions, 0 deletions
diff --git a/doc/src/snippets/statemachine/main.cpp b/doc/src/snippets/statemachine/main.cpp
new file mode 100644
index 0000000..f20d245
--- /dev/null
+++ b/doc/src/snippets/statemachine/main.cpp
@@ -0,0 +1,48 @@
+
+#include <QtGui>
+
+int main(int argv, char **args)
+{
+ QApplication app(argv, args);
+
+ QLabel *label = new QLabel;
+
+//![0]
+ QStateMachine machine;
+ QState *s1 = new QState();
+ QState *s2 = new QState();
+ QState *s3 = new QState();
+//![0]
+
+//![4]
+ s1->assignProperty(label, "text", "In state s1");
+ s2->assignProperty(label, "text", "In state s2");
+ s3->assignProperty(label, "text", "In state s3");
+//![4]
+
+//![5]
+ QObject::connect(s3, SIGNAL(entered()), button, SLOT(showMaximized()));
+ QObject::connect(s3, SIGNAL(exited()), button, SLOT(showMinimized()));
+//![5]
+
+//![1]
+ s1->addTransition(button, SIGNAL(clicked()), s2);
+ s2->addTransition(button, SIGNAL(clicked()), s3);
+ s3->addTransition(button, SIGNAL(clicked()), s1);
+//![1]
+
+//![2]
+ machine.addState(s1);
+ machine.addState(s2);
+ machine.addState(s3);
+ machine.setInitialState(s1);
+//![2]
+
+//![3]
+ machine.start();
+//![3]
+
+ label->show();
+
+ return app.exec();
+}
diff --git a/doc/src/snippets/statemachine/main2.cpp b/doc/src/snippets/statemachine/main2.cpp
new file mode 100644
index 0000000..60a61e7
--- /dev/null
+++ b/doc/src/snippets/statemachine/main2.cpp
@@ -0,0 +1,51 @@
+
+#include <QtGui>
+
+int main(int argv, char **args)
+{
+ QApplication app(argv, args);
+
+ QStateMachine machine;
+
+//![0]
+ QState *s1 = new QState();
+ QState *s11 = new QState(s1);
+ QState *s12 = new QState(s1);
+ QState *s13 = new QState(s1);
+ s1->setInitialState(s11);
+ machine.addState(s1);
+//![0]
+
+//![2]
+ s12>addTransition(quitButton, SIGNAL(clicked()), s12);
+//![2]
+
+//![1]
+ QFinalState *s2 = new QFinalState();
+ s1->addTransition(quitButton, SIGNAL(clicked()), s2);
+ machine.addState(s2);
+
+ QObject::connect(&machine, SIGNAL(finished()), QApplication::instance(), SLOT(quit()));
+//![1]
+
+ QButton *interruptButton = new QPushButton("Interrupt Button");
+
+//![3]
+ QHistoryState *s1h = s1->addHistoryState();
+
+ QState *s3 = new QState();
+ s3->assignProperty(label, "text", "In s3");
+ QMessageBox mbox;
+ mbox.addButton(QMessageBox::Ok);
+ mbox.setText("Interrupted!");
+ mbox.setIcon(QMessageBox::Information);
+ QObject::connect(s3, SIGNAL(entered()), &mbox, SLOT(exec()));
+ s3->addTransition(s1h);
+ machine.addState(s3);
+
+ s1->addTransition(interruptButton, SIGNAL(clicked()), s3);
+//![3]
+
+ return app.exec();
+}
+
diff --git a/doc/src/snippets/statemachine/main3.cpp b/doc/src/snippets/statemachine/main3.cpp
new file mode 100644
index 0000000..b04b850
--- /dev/null
+++ b/doc/src/snippets/statemachine/main3.cpp
@@ -0,0 +1,21 @@
+
+#include <QtGui>
+
+int main(int argv, char **args)
+{
+ QApplication app(argv, args);
+
+//![0]
+ QState *s1 = new QState(QState::ParallelStates);
+ // s11 and s12 will be entered in parallel
+ QState *s11 = new QState(s1);
+ QState *s12 = new QState(s1);
+//![0]
+
+//![1]
+ s1->addTransition(s1, SIGNAL(finished()), s2);
+//![1]
+
+ return app.exec();
+}
+
diff --git a/doc/src/snippets/statemachine/main4.cpp b/doc/src/snippets/statemachine/main4.cpp
new file mode 100644
index 0000000..5681bbd
--- /dev/null
+++ b/doc/src/snippets/statemachine/main4.cpp
@@ -0,0 +1,71 @@
+
+#include <QtGui>
+
+
+//![0]
+struct StringEvent : public QEvent
+{
+ StringEvent(const QString &val)
+ : QEvent(QEvent::Type(QEvent::User+1)),
+ value(val) {}
+
+ QString value;
+};
+//![0]
+
+//![1]
+class StringTransition : public QAbstractTransition
+{
+public:
+ StringTransition(const QString &value)
+ : m_value(value) {}
+
+protected:
+ virtual bool eventTest(QEvent *e) const
+ {
+ if (e->type() != QEvent::Type(QEvent::User+1)) // StringEvent
+ return false;
+ StringEvent *se = static_cast<StringEvent*>(e);
+ return (m_value == se->value);
+ }
+
+ virtual void onTransition(QEvent *) {}
+
+private:
+ QString m_value;
+};
+//![1]
+
+int main(int argv, char **args)
+{
+ QApplication app(argv, args);
+
+//![2]
+ QStateMachine machine;
+ QState *s1 = new QState();
+ QState *s2 = new QState();
+ QFinalState *done = new QFinalState();
+
+ StringTransition *t1 = new StringTransition("Hello");
+ t1->setTargetState(s2);
+ s1->addTransition(t1);
+ StringTransition *t2 = new StringTransition("world");
+ t2->setTargetState(done);
+ s2->addTransition(t2);
+
+ machine.addState(s1);
+ machine.addState(s2);
+ machine.addState(done);
+ machine.setInitialState(s1);
+//![2]
+
+//![3]
+ machine.postEvent(new StringEvent("Hello"));
+ machine.postEvent(new StringEvent("world"));
+//![3]
+
+ return app.exec();
+}
+
+#include "main4.moc"
+
diff --git a/doc/src/snippets/statemachine/main5.cpp b/doc/src/snippets/statemachine/main5.cpp
new file mode 100644
index 0000000..90ad8c7
--- /dev/null
+++ b/doc/src/snippets/statemachine/main5.cpp
@@ -0,0 +1,103 @@
+
+#include <QtGui>
+
+int main(int argv, char **args)
+{
+ QApplication app(argv, args);
+
+ {
+//![0]
+ QStateMachine machine;
+ machine.setGlobalRestorePolicy(QStateMachine::RestoreProperties);
+//![0]
+
+//![1]
+ QState *s1 = new QState();
+ s1->assignProperty(object, "fooBar", 1.0);
+ machine.addState(s1);
+ machine.setInitialState(s1);
+
+ QState *s2 = new QState();
+ machine.addState(s2);
+//![1]
+ }
+
+ {
+
+//![2]
+ QStateMachine machine;
+ machine.setGlobalRestorePolicy(QStateMachine::RestoreProperties);
+
+ QState *s1 = new QState();
+ s1->assignProperty(object, "fooBar", 1.0);
+ machine.addState(s1);
+ machine.setInitialState(s1);
+
+ QState *s2 = new QState(s1);
+ s2->assignProperty(object, "fooBar", 2.0);
+ s1->setInitialState(s2);
+
+ QState *s3 = new QState(s1);
+//![2]
+
+ }
+
+ {
+//![3]
+ QState *s1 = new QState();
+ QState *s2 = new QState();
+
+ s1->assignProperty(button, "geometry", QRectF(0, 0, 50, 50));
+ s2->assignProperty(button, "geometry", QRectF(0, 0, 100, 100));
+
+ s1->addTransition(button, SIGNAL(clicked()), s2);
+//![3]
+
+ }
+
+ {
+//![4]
+ QState *s1 = new QState();
+ QState *s2 = new QState();
+
+ s1->assignProperty(button, "geometry", QRectF(0, 0, 50, 50));
+ s2->assignProperty(button, "geometry", QRectF(0, 0, 100, 100));
+
+ QSignalTransition *transition = s1->addTransition(button, SIGNAL(clicked()), s2);
+ transition->addAnimation(new QPropertyAnimation(button, "geometry"));
+//![4]
+
+ }
+
+ {
+
+//![5]
+ QState *s1 = new QState();
+ s1->assignProperty(button, "geometry", QRectF(0, 0, 50, 50));
+
+ QState *s2 = new QState();
+
+ s1->addTransition(s1, SIGNAL(polished()), s2);
+//![5]
+
+ }
+
+ {
+
+//![6]
+ QState *s1 = new QState();
+ QState *s2 = new QState();
+
+ s2->assignProperty(object, "fooBar", 2.0);
+ s1->addTransition(s2);
+
+ QStateMachine machine;
+ machine.setInitialState(s1);
+ machine.addDefaultAnimation(new QPropertyAnimation(object, "fooBar"));
+//![6]
+
+ }
+
+ return app.exec();
+}
+