Move QStateMachine from QtCore to QtScxml

Task-number: QTBUG-80316
Change-Id: I2ee74110fd55e94d86321d3b3dc5bb8297424ed4
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@qt.io>

7 files changed, 0 insertions, 723 deletions

diff --git a/src/corelib/doc/snippets/code/src_corelib_statemachine_qstatemachine.cpp b/src/corelib/doc/snippets/code/src_corelib_statemachine_qstatemachine.cpp
deleted file mode 100644
index c756116de4..0000000000
--- a/src/corelib/doc/snippets/code/src_corelib_statemachine_qstatemachine.cpp
+++ /dev/null
@@ -1,65 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the documentation of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, you may use this file under the terms of the BSD license
-** as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-**   * Redistributions of source code must retain the above copyright
-**     notice, this list of conditions and the following disclaimer.
-**   * Redistributions in binary form must reproduce the above copyright
-**     notice, this list of conditions and the following disclaimer in
-**     the documentation and/or other materials provided with the
-**     distribution.
-**   * Neither the name of The Qt Company Ltd nor the names of its
-**     contributors may be used to endorse or promote products derived
-**     from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-//! [simple state machine]
-QPushButton button;
-
-QStateMachine machine;
-QState *s1 = new QState();
-s1->assignProperty(&button, "text", "Click me");
-
-QFinalState *s2 = new QFinalState();
-s1->addTransition(&button, &QPushButton::clicked, s2);
-
-machine.addState(s1);
-machine.addState(s2);
-machine.setInitialState(s1);
-machine.start();
-//! [simple state machine]
diff --git a/src/corelib/doc/snippets/statemachine/eventtest.cpp b/src/corelib/doc/snippets/statemachine/eventtest.cpp
deleted file mode 100644
index d7d4ce0d21..0000000000
--- a/src/corelib/doc/snippets/statemachine/eventtest.cpp
+++ /dev/null
@@ -1,83 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the documentation of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, you may use this file under the terms of the BSD license
-** as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-**   * Redistributions of source code must retain the above copyright
-**     notice, this list of conditions and the following disclaimer.
-**   * Redistributions in binary form must reproduce the above copyright
-**     notice, this list of conditions and the following disclaimer in
-**     the documentation and/or other materials provided with the
-**     distribution.
-**   * Neither the name of The Qt Company Ltd nor the names of its
-**     contributors may be used to endorse or promote products derived
-**     from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QtGui>
-
-class MyTransition : public QAbstractTransition
-{
-    Q_OBJECT
-public:
-    MyTransition() {}
-
-protected:
-//![0]
-    bool eventTest(QEvent *event) override
-    {
-        if (event->type() == QEvent::Wrapped) {
-            QEvent *wrappedEvent = static_cast<QStateMachine::WrappedEvent *>(event)->event();
-            if (wrappedEvent->type() == QEvent::KeyPress) {
-                QKeyEvent *keyEvent = static_cast<QKeyEvent *>(wrappedEvent);
-                // Do your event test
-            }
-        }
-        return false;
-    }
-//![0]
-
-    void onTransition(QEvent *event) override
-    {
-
-    }
-};
-
-int main(int argv, char **args)
-{
-    return 0;
-}
diff --git a/src/corelib/doc/snippets/statemachine/main.cpp b/src/corelib/doc/snippets/statemachine/main.cpp
deleted file mode 100644
index c399f4f199..0000000000
--- a/src/corelib/doc/snippets/statemachine/main.cpp
+++ /dev/null
@@ -1,98 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the documentation of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, you may use this file under the terms of the BSD license
-** as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-**   * Redistributions of source code must retain the above copyright
-**     notice, this list of conditions and the following disclaimer.
-**   * Redistributions in binary form must reproduce the above copyright
-**     notice, this list of conditions and the following disclaimer in
-**     the documentation and/or other materials provided with the
-**     distribution.
-**   * Neither the name of The Qt Company Ltd nor the names of its
-**     contributors may be used to endorse or promote products derived
-**     from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QtWidgets>
-
-int main(int argv, char **args)
-{
-    QApplication app(argv, args);
-
-    QLabel *label = new QLabel;
-    QPushButton *button = new QPushButton;
-
-//![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, &QState::entered, button, &QPushButton:showMaximized);
-    QObject::connect(s3, &QState::exited, button, &QPushButton::showMinimized);
-//![5]
-
-//![1]
-    s1->addTransition(button, &QPushButton::clicked, s2);
-    s2->addTransition(button, &QPushButton::clicked, s3);
-    s3->addTransition(button, &QPushButton::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/src/corelib/doc/snippets/statemachine/main2.cpp b/src/corelib/doc/snippets/statemachine/main2.cpp
deleted file mode 100644
index dedd2d29bf..0000000000
--- a/src/corelib/doc/snippets/statemachine/main2.cpp
+++ /dev/null
@@ -1,103 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the documentation of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, you may use this file under the terms of the BSD license
-** as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-**   * Redistributions of source code must retain the above copyright
-**     notice, this list of conditions and the following disclaimer.
-**   * Redistributions in binary form must reproduce the above copyright
-**     notice, this list of conditions and the following disclaimer in
-**     the documentation and/or other materials provided with the
-**     distribution.
-**   * Neither the name of The Qt Company Ltd nor the names of its
-**     contributors may be used to endorse or promote products derived
-**     from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QtWidgets>
-
-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, &QPushButton::clicked, s12);
-//![2]
-
-//![1]
-    QFinalState *s2 = new QFinalState();
-    s1->addTransition(quitButton, &QPushButton::clicked, s2);
-    machine.addState(s2);
-    machine.setInitialState(s1);
-
-    QObject::connect(&machine, &QStateMachine::finished,
-                     QCoreApplication::instance(), &QCoreApplication::quit);
-//![1]
-
-  QButton *interruptButton = new QPushButton("Interrupt Button");
-  QWidget *mainWindow = new QWidget();
-
-//![3]
-    QHistoryState *s1h = new QHistoryState(s1);
-
-    QState *s3 = new QState();
-    s3->assignProperty(label, "text", "In s3");
-    QMessageBox *mbox = new QMessageBox(mainWindow);
-    mbox->addButton(QMessageBox::Ok);
-    mbox->setText("Interrupted!");
-    mbox->setIcon(QMessageBox::Information);
-    QObject::connect(s3, &QState::entered, mbox, &QMessageBox::exec);
-    s3->addTransition(s1h);
-    machine.addState(s3);
-
-    s1->addTransition(interruptButton, &QPushButton::clicked, s3);
-//![3]
-
-  return app.exec();
-}
-
diff --git a/src/corelib/doc/snippets/statemachine/main3.cpp b/src/corelib/doc/snippets/statemachine/main3.cpp
deleted file mode 100644
index b665565aef..0000000000
--- a/src/corelib/doc/snippets/statemachine/main3.cpp
+++ /dev/null
@@ -1,70 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the documentation of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, you may use this file under the terms of the BSD license
-** as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-**   * Redistributions of source code must retain the above copyright
-**     notice, this list of conditions and the following disclaimer.
-**   * Redistributions in binary form must reproduce the above copyright
-**     notice, this list of conditions and the following disclaimer in
-**     the documentation and/or other materials provided with the
-**     distribution.
-**   * Neither the name of The Qt Company Ltd nor the names of its
-**     contributors may be used to endorse or promote products derived
-**     from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#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, &QState::finished, s2);
-//![1]
-
-    return app.exec();
-}
-
diff --git a/src/corelib/doc/snippets/statemachine/main4.cpp b/src/corelib/doc/snippets/statemachine/main4.cpp
deleted file mode 100644
index e21656b91c..0000000000
--- a/src/corelib/doc/snippets/statemachine/main4.cpp
+++ /dev/null
@@ -1,122 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the documentation of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, you may use this file under the terms of the BSD license
-** as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-**   * Redistributions of source code must retain the above copyright
-**     notice, this list of conditions and the following disclaimer.
-**   * Redistributions in binary form must reproduce the above copyright
-**     notice, this list of conditions and the following disclaimer in
-**     the documentation and/or other materials provided with the
-**     distribution.
-**   * Neither the name of The Qt Company Ltd nor the names of its
-**     contributors may be used to endorse or promote products derived
-**     from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#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
-{
-    Q_OBJECT
-
-public:
-    StringTransition(const QString &value)
-        : m_value(value) {}
-
-protected:
-    bool eventTest(QEvent *e) override
-    {
-        if (e->type() != QEvent::Type(QEvent::User+1)) // StringEvent
-            return false;
-        StringEvent *se = static_cast<StringEvent*>(e);
-        return (m_value == se->value);
-    }
-
-    void onTransition(QEvent *) override {}
-
-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/src/corelib/doc/snippets/statemachine/main5.cpp b/src/corelib/doc/snippets/statemachine/main5.cpp
deleted file mode 100644
index d701f51e2b..0000000000
--- a/src/corelib/doc/snippets/statemachine/main5.cpp
+++ /dev/null
@@ -1,182 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the documentation of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, you may use this file under the terms of the BSD license
-** as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-**   * Redistributions of source code must retain the above copyright
-**     notice, this list of conditions and the following disclaimer.
-**   * Redistributions in binary form must reproduce the above copyright
-**     notice, this list of conditions and the following disclaimer in
-**     the documentation and/or other materials provided with the
-**     distribution.
-**   * Neither the name of The Qt Company Ltd nor the names of its
-**     contributors may be used to endorse or promote products derived
-**     from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QtGui>
-
-int main(int argv, char **args)
-{
-    QApplication app(argv, args);
-    QWidget *button;
-
-  {
-//![0]
-    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();
-    machine.addState(s2);
-//![0]
-  }
-
-  {
-
-//![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, &QPushButton::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, &QPushButton::clicked, s2);
-    transition->addAnimation(new QPropertyAnimation(button, "geometry"));
-//![4]
-
-  }
-
-  {
-    QMainWindow *mainWindow = 0;
-
-//![5]
-    QMessageBox *messageBox = new QMessageBox(mainWindow);
-    messageBox->addButton(QMessageBox::Ok);
-    messageBox->setText("Button geometry has been set!");
-    messageBox->setIcon(QMessageBox::Information);
-
-    QState *s1 = new QState();
-
-    QState *s2 = new QState();
-    s2->assignProperty(button, "geometry", QRectF(0, 0, 50, 50));
-    connect(s2, &QState::entered, messageBox, SLOT(exec()));
-
-    s1->addTransition(button, &QPushButton::clicked, s2);
-//![5]
-  }
-
-  {
-    QMainWindow *mainWindow = 0;
-
-//![6]
-    QMessageBox *messageBox = new QMessageBox(mainWindow);
-    messageBox->addButton(QMessageBox::Ok);
-    messageBox->setText("Button geometry has been set!");
-    messageBox->setIcon(QMessageBox::Information);
-
-    QState *s1 = new QState();
-
-    QState *s2 = new QState();
-    s2->assignProperty(button, "geometry", QRectF(0, 0, 50, 50));
-
-    QState *s3 = new QState();
-    connect(s3, &QState::entered, messageBox, SLOT(exec()));
-
-    s1->addTransition(button, &QPushButton::clicked, s2);
-    s2->addTransition(s2, &QState::propertiesAssigned, s3);
-//![6]
-
-  }
-
-  {
-
-//![7]
-    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"));
-//![7]
-
-  }
-
-
-
-    return app.exec();
-}
-