Rename example directory (all examples in it are statemachine examples)

Pick-to: 6.1
Task-number: QTBUG-89833
Change-Id: I5703667054d5f32633c741f97c2890b64801960c
Reviewed-by: Paul Wicking <paul.wicking@qt.io>

23 files changed, 1405 insertions, 0 deletions

diff --git a/examples/statemachine/graphicsview/padnavigator/.prev_CMakeLists.txt b/examples/statemachine/graphicsview/padnavigator/.prev_CMakeLists.txt
new file mode 100644
index 0000000..056dbf6
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/.prev_CMakeLists.txt
@@ -0,0 +1,74 @@
+# Generated from padnavigator.pro.
+
+cmake_minimum_required(VERSION 3.14)
+project(padnavigator LANGUAGES CXX)
+
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+set(CMAKE_AUTOUIC ON)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+  set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/graphicsview/padnavigator")
+
+find_package(Qt6 COMPONENTS Core)
+find_package(Qt6 COMPONENTS Gui)
+find_package(Qt6 COMPONENTS StateMachine)
+find_package(Qt6 COMPONENTS Widgets)
+
+qt_add_executable(padnavigator
+    flippablepad.cpp flippablepad.h
+    form.ui
+    main.cpp
+    padnavigator.cpp padnavigator.h
+    roundrectitem.cpp roundrectitem.h
+    splashitem.cpp splashitem.h
+)
+set_target_properties(padnavigator PROPERTIES
+    WIN32_EXECUTABLE FALSE
+    MACOSX_BUNDLE TRUE
+)
+target_link_libraries(padnavigator PUBLIC
+    Qt::Core
+    Qt::Gui
+    Qt::StateMachine
+    Qt::Widgets
+)
+
+
+# Resources:
+set(padnavigator_resource_files
+    "images/artsfftscope.png"
+    "images/blue_angle_swirl.jpg"
+    "images/kontact_contacts.png"
+    "images/kontact_journal.png"
+    "images/kontact_mail.png"
+    "images/kontact_notes.png"
+    "images/kopeteavailable.png"
+    "images/metacontact_online.png"
+    "images/minitools.png"
+)
+
+qt6_add_resources(padnavigator "padnavigator"
+    PREFIX
+        "/"
+    FILES
+        ${padnavigator_resource_files}
+)
+
+if(TARGET Qt::OpenGL)
+    target_link_libraries(padnavigator PUBLIC
+        Qt::OpenGL
+        Qt::OpenGLWidgets
+    )
+endif()
+
+install(TARGETS padnavigator
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)
diff --git a/examples/statemachine/graphicsview/padnavigator/CMakeLists.txt b/examples/statemachine/graphicsview/padnavigator/CMakeLists.txt
new file mode 100644
index 0000000..979cca9
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/CMakeLists.txt
@@ -0,0 +1,75 @@
+# Generated from padnavigator.pro.
+
+cmake_minimum_required(VERSION 3.14)
+project(padnavigator LANGUAGES CXX)
+
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+set(CMAKE_AUTOUIC ON)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+  set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/graphicsview/padnavigator")
+
+find_package(Qt6 COMPONENTS Core)
+find_package(Qt6 COMPONENTS Gui)
+find_package(Qt6 COMPONENTS StateMachine)
+find_package(Qt6 COMPONENTS Widgets)
+find_package(Qt6 COMPONENTS OpenGL) # special case
+
+qt_add_executable(padnavigator
+    flippablepad.cpp flippablepad.h
+    form.ui
+    main.cpp
+    padnavigator.cpp padnavigator.h
+    roundrectitem.cpp roundrectitem.h
+    splashitem.cpp splashitem.h
+)
+set_target_properties(padnavigator PROPERTIES
+    WIN32_EXECUTABLE FALSE
+    MACOSX_BUNDLE TRUE
+)
+target_link_libraries(padnavigator PUBLIC
+    Qt::Core
+    Qt::Gui
+    Qt::StateMachine
+    Qt::Widgets
+)
+
+
+# Resources:
+set(padnavigator_resource_files
+    "images/artsfftscope.png"
+    "images/blue_angle_swirl.jpg"
+    "images/kontact_contacts.png"
+    "images/kontact_journal.png"
+    "images/kontact_mail.png"
+    "images/kontact_notes.png"
+    "images/kopeteavailable.png"
+    "images/metacontact_online.png"
+    "images/minitools.png"
+)
+
+qt6_add_resources(padnavigator "padnavigator"
+    PREFIX
+        "/"
+    FILES
+        ${padnavigator_resource_files}
+)
+
+if(TARGET Qt::OpenGL AND TARGET Qt::OpenGLWidgets)
+    target_link_libraries(padnavigator PUBLIC
+        Qt::OpenGL
+        Qt::OpenGLWidgets
+    )
+endif()
+
+install(TARGETS padnavigator
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)
diff --git a/examples/statemachine/graphicsview/padnavigator/flippablepad.cpp b/examples/statemachine/graphicsview/padnavigator/flippablepad.cpp
new file mode 100644
index 0000000..2639092
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/flippablepad.cpp
@@ -0,0 +1,108 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples 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 "flippablepad.h"
+
+#include <QDirIterator>
+
+//! [0]
+static QRectF boundsFromSize(const QSize &size)
+{
+    return QRectF((-size.width() / 2.0) * 150, (-size.height() / 2.0) * 150,
+                  size.width() * 150, size.height() * 150);
+}
+//! [0]
+
+//! [1]
+static QPointF posForLocation(int column, int row, const QSize &size)
+{
+    return QPointF(column * 150, row * 150)
+        - QPointF((size.width() - 1) * 75, (size.height() - 1) * 75);
+}
+//! [1]
+
+//! [2]
+FlippablePad::FlippablePad(const QSize &size, QGraphicsItem *parent)
+    : RoundRectItem(boundsFromSize(size), QColor(226, 255, 92, 64), parent)
+{
+//! [2]
+//! [3]
+    int numIcons = size.width() * size.height();
+    QList<QPixmap> pixmaps;
+    QDirIterator it(":/images", {"*.png"});
+    while (it.hasNext() && pixmaps.size() < numIcons)
+        pixmaps << it.next();
+//! [3]
+
+//! [4]
+    const QRectF iconRect(-54, -54, 108, 108);
+    const QColor iconColor(214, 240, 110, 128);
+    iconGrid.resize(size.height());
+    int n = 0;
+
+    for (int y = 0; y < size.height(); ++y) {
+        iconGrid[y].resize(size.width());
+        for (int x = 0; x < size.width(); ++x) {
+            RoundRectItem *rect = new RoundRectItem(iconRect, iconColor, this);
+            rect->setZValue(1);
+            rect->setPos(posForLocation(x, y, size));
+            rect->setPixmap(pixmaps.at(n++ % pixmaps.size()));
+            iconGrid[y][x] = rect;
+        }
+    }
+}
+//! [4]
+
+//! [5]
+RoundRectItem *FlippablePad::iconAt(int column, int row) const
+{
+    return iconGrid[row][column];
+}
+//! [5]
diff --git a/examples/statemachine/graphicsview/padnavigator/flippablepad.h b/examples/statemachine/graphicsview/padnavigator/flippablepad.h
new file mode 100644
index 0000000..a056eae
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/flippablepad.h
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef FLIPPABLEPAD_H
+#define FLIPPABLEPAD_H
+
+#include "roundrectitem.h"
+
+#include <QList>
+
+//! [0]
+class FlippablePad : public RoundRectItem
+{
+public:
+    explicit FlippablePad(const QSize &size, QGraphicsItem *parent = nullptr);
+
+    RoundRectItem *iconAt(int column, int row) const;
+
+private:
+    QList<QList<RoundRectItem *>> iconGrid;
+};
+//! [0]
+
+#endif // FLIPPABLEPAD_H
diff --git a/examples/statemachine/graphicsview/padnavigator/form.ui b/examples/statemachine/graphicsview/padnavigator/form.ui
new file mode 100644
index 0000000..fc7d123
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/form.ui
@@ -0,0 +1,208 @@
+<ui version="4.0" >
+ <class>Form</class>
+ <widget class="QWidget" name="Form" >
+  <property name="geometry" >
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>378</width>
+    <height>385</height>
+   </rect>
+  </property>
+  <property name="windowTitle" >
+   <string>BackSide</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout_2" >
+   <item>
+    <widget class="QGroupBox" name="groupBox" >
+     <property name="title" >
+      <string>Settings</string>
+     </property>
+     <property name="flat" >
+      <bool>true</bool>
+     </property>
+     <property name="checkable" >
+      <bool>true</bool>
+     </property>
+     <layout class="QGridLayout" name="gridLayout" >
+      <item row="0" column="0" >
+       <widget class="QLabel" name="label" >
+        <property name="text" >
+         <string>Title:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1" >
+       <widget class="QLineEdit" name="hostName" >
+        <property name="text" >
+         <string>Pad Navigator Example</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="0" >
+       <widget class="QLabel" name="label_2" >
+        <property name="text" >
+         <string>Modified:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="0" >
+       <widget class="QLabel" name="label_3" >
+        <property name="text" >
+         <string>Extent</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="1" >
+       <layout class="QHBoxLayout" name="horizontalLayout" >
+        <item>
+         <widget class="QSlider" name="horizontalSlider" >
+          <property name="value" >
+           <number>42</number>
+          </property>
+          <property name="orientation" >
+           <enum>Qt::Horizontal</enum>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QSpinBox" name="spinBox" >
+          <property name="value" >
+           <number>42</number>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+      <item row="1" column="1" >
+       <widget class="QDateTimeEdit" name="dateTimeEdit" />
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QGroupBox" name="groupBox_2" >
+     <property name="title" >
+      <string>Other input</string>
+     </property>
+     <property name="flat" >
+      <bool>true</bool>
+     </property>
+     <property name="checkable" >
+      <bool>true</bool>
+     </property>
+     <layout class="QHBoxLayout" name="horizontalLayout_2" >
+      <item>
+       <widget class="QTreeWidget" name="treeWidget" >
+        <column>
+         <property name="text" >
+          <string>Widgets On Graphics View</string>
+         </property>
+        </column>
+        <item>
+         <property name="text" >
+          <string>QGraphicsProxyWidget</string>
+         </property>
+         <item>
+          <property name="text" >
+           <string>QGraphicsWidget</string>
+          </property>
+          <item>
+           <property name="text" >
+            <string>QObject</string>
+           </property>
+          </item>
+          <item>
+           <property name="text" >
+            <string>QGraphicsItem</string>
+           </property>
+          </item>
+          <item>
+           <property name="text" >
+            <string>QGraphicsLayoutItem</string>
+           </property>
+          </item>
+         </item>
+        </item>
+        <item>
+         <property name="text" >
+          <string>QGraphicsGridLayout</string>
+         </property>
+         <item>
+          <property name="text" >
+           <string>QGraphicsLayout</string>
+          </property>
+          <item>
+           <property name="text" >
+            <string>QGraphicsLayoutItem</string>
+           </property>
+          </item>
+         </item>
+        </item>
+        <item>
+         <property name="text" >
+          <string>QGraphicsLinearLayout</string>
+         </property>
+         <item>
+          <property name="text" >
+           <string>QGraphicsLayout</string>
+          </property>
+          <item>
+           <property name="text" >
+            <string>QGraphicsLayoutItem</string>
+           </property>
+          </item>
+         </item>
+        </item>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <tabstops>
+  <tabstop>groupBox</tabstop>
+  <tabstop>hostName</tabstop>
+  <tabstop>dateTimeEdit</tabstop>
+  <tabstop>horizontalSlider</tabstop>
+  <tabstop>spinBox</tabstop>
+  <tabstop>groupBox_2</tabstop>
+  <tabstop>treeWidget</tabstop>
+ </tabstops>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>horizontalSlider</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>spinBox</receiver>
+   <slot>setValue(int)</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>184</x>
+     <y>125</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>275</x>
+     <y>127</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>spinBox</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>horizontalSlider</receiver>
+   <slot>setValue(int)</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>272</x>
+     <y>114</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>190</x>
+     <y>126</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/examples/statemachine/graphicsview/padnavigator/images/artsfftscope.png b/examples/statemachine/graphicsview/padnavigator/images/artsfftscope.png
new file mode 100644
index 0000000..4db003f
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/images/artsfftscope.png
diff --git a/examples/statemachine/graphicsview/padnavigator/images/blue_angle_swirl.jpg b/examples/statemachine/graphicsview/padnavigator/images/blue_angle_swirl.jpg
new file mode 100644
index 0000000..5bf0deb
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/images/blue_angle_swirl.jpg
diff --git a/examples/statemachine/graphicsview/padnavigator/images/kontact_contacts.png b/examples/statemachine/graphicsview/padnavigator/images/kontact_contacts.png
new file mode 100644
index 0000000..6fb4cc8
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/images/kontact_contacts.png
diff --git a/examples/statemachine/graphicsview/padnavigator/images/kontact_journal.png b/examples/statemachine/graphicsview/padnavigator/images/kontact_journal.png
new file mode 100644
index 0000000..b1fedb6
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/images/kontact_journal.png
diff --git a/examples/statemachine/graphicsview/padnavigator/images/kontact_mail.png b/examples/statemachine/graphicsview/padnavigator/images/kontact_mail.png
new file mode 100644
index 0000000..672f8fa
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/images/kontact_mail.png
diff --git a/examples/statemachine/graphicsview/padnavigator/images/kontact_notes.png b/examples/statemachine/graphicsview/padnavigator/images/kontact_notes.png
new file mode 100644
index 0000000..229bf73
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/images/kontact_notes.png
diff --git a/examples/statemachine/graphicsview/padnavigator/images/kopeteavailable.png b/examples/statemachine/graphicsview/padnavigator/images/kopeteavailable.png
new file mode 100644
index 0000000..2eaf41a
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/images/kopeteavailable.png
diff --git a/examples/statemachine/graphicsview/padnavigator/images/metacontact_online.png b/examples/statemachine/graphicsview/padnavigator/images/metacontact_online.png
new file mode 100644
index 0000000..6a398dd
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/images/metacontact_online.png
diff --git a/examples/statemachine/graphicsview/padnavigator/images/minitools.png b/examples/statemachine/graphicsview/padnavigator/images/minitools.png
new file mode 100644
index 0000000..0248c9d
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/images/minitools.png
diff --git a/examples/statemachine/graphicsview/padnavigator/main.cpp b/examples/statemachine/graphicsview/padnavigator/main.cpp
new file mode 100644
index 0000000..c433ab3
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/main.cpp
@@ -0,0 +1,65 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples 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 "padnavigator.h"
+
+#include <QtWidgets/QtWidgets>
+
+//! [0]
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    Q_INIT_RESOURCE(padnavigator);
+
+    PadNavigator navigator(QSize(3, 3));
+    navigator.show();
+    return app.exec();
+}
+//! [0]
diff --git a/examples/statemachine/graphicsview/padnavigator/padnavigator.cpp b/examples/statemachine/graphicsview/padnavigator/padnavigator.cpp
new file mode 100644
index 0000000..5088386
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/padnavigator.cpp
@@ -0,0 +1,318 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples 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 "flippablepad.h"
+#include "padnavigator.h"
+#include "splashitem.h"
+
+#include <QEventTransition>
+#include <QGraphicsProxyWidget>
+#include <QGraphicsRotation>
+#include <QHistoryState>
+#include <QKeyEventTransition>
+#include <QParallelAnimationGroup>
+#include <QPropertyAnimation>
+#include <QSequentialAnimationGroup>
+#include <QStateMachine>
+
+#ifndef QT_NO_OPENGL
+#include <QOpenGLWidget>
+#endif
+
+//! [0]
+PadNavigator::PadNavigator(const QSize &size, QWidget *parent)
+    : QGraphicsView(parent)
+{
+//! [0]
+//! [1]
+    // Splash item
+    SplashItem *splash = new SplashItem;
+    splash->setZValue(1);
+//! [1]
+
+//! [2]
+    // Pad item
+    FlippablePad *pad = new FlippablePad(size);
+    QGraphicsRotation *flipRotation = new QGraphicsRotation(pad);
+    QGraphicsRotation *xRotation = new QGraphicsRotation(pad);
+    QGraphicsRotation *yRotation = new QGraphicsRotation(pad);
+    flipRotation->setAxis(Qt::YAxis);
+    xRotation->setAxis(Qt::YAxis);
+    yRotation->setAxis(Qt::XAxis);
+    pad->setTransformations(QList<QGraphicsTransform *>()
+                            << flipRotation
+                            << xRotation << yRotation);
+//! [2]
+
+//! [3]
+    // Back (proxy widget) item
+    QGraphicsProxyWidget *backItem = new QGraphicsProxyWidget(pad);
+    QWidget *widget = new QWidget;
+    form.setupUi(widget);
+    form.hostName->setFocus();
+    backItem->setWidget(widget);
+    backItem->setVisible(false);
+    backItem->setFocus();
+    backItem->setCacheMode(QGraphicsItem::ItemCoordinateCache);
+    const QRectF r = backItem->rect();
+    backItem->setTransform(QTransform()
+                           .rotate(180, Qt::YAxis)
+                           .translate(-r.width()/2, -r.height()/2));
+//! [3]
+
+//! [4]
+    // Selection item
+    RoundRectItem *selectionItem = new RoundRectItem(QRectF(-60, -60, 120, 120), Qt::gray, pad);
+    selectionItem->setZValue(0.5);
+//! [4]
+
+//! [5]
+    // Splash animations
+    QPropertyAnimation *smoothSplashMove = new QPropertyAnimation(splash, "y");
+    QPropertyAnimation *smoothSplashOpacity = new QPropertyAnimation(splash, "opacity");
+    smoothSplashMove->setEasingCurve(QEasingCurve::InQuad);
+    smoothSplashMove->setDuration(250);
+    smoothSplashOpacity->setDuration(250);
+//! [5]
+
+//! [6]
+    // Selection animation
+    QPropertyAnimation *smoothXSelection = new QPropertyAnimation(selectionItem, "x");
+    QPropertyAnimation *smoothYSelection = new QPropertyAnimation(selectionItem, "y");
+    QPropertyAnimation *smoothXRotation = new QPropertyAnimation(xRotation, "angle");
+    QPropertyAnimation *smoothYRotation = new QPropertyAnimation(yRotation, "angle");
+    smoothXSelection->setDuration(125);
+    smoothYSelection->setDuration(125);
+    smoothXRotation->setDuration(125);
+    smoothYRotation->setDuration(125);
+    smoothXSelection->setEasingCurve(QEasingCurve::InOutQuad);
+    smoothYSelection->setEasingCurve(QEasingCurve::InOutQuad);
+    smoothXRotation->setEasingCurve(QEasingCurve::InOutQuad);
+    smoothYRotation->setEasingCurve(QEasingCurve::InOutQuad);
+//! [6]
+
+//! [7]
+    // Flip animation setup
+    QPropertyAnimation *smoothFlipRotation = new QPropertyAnimation(flipRotation, "angle");
+    QPropertyAnimation *smoothFlipScale = new QPropertyAnimation(pad, "scale");
+    QParallelAnimationGroup *flipAnimation = new QParallelAnimationGroup(this);
+    smoothFlipScale->setDuration(500);
+    smoothFlipRotation->setDuration(500);
+    smoothFlipScale->setEasingCurve(QEasingCurve::InOutQuad);
+    smoothFlipRotation->setEasingCurve(QEasingCurve::InOutQuad);
+    smoothFlipScale->setKeyValueAt(0, qvariant_cast<qreal>(1.0));
+    smoothFlipScale->setKeyValueAt(0.5, qvariant_cast<qreal>(0.7));
+    smoothFlipScale->setKeyValueAt(1, qvariant_cast<qreal>(1.0));
+    flipAnimation->addAnimation(smoothFlipRotation);
+    flipAnimation->addAnimation(smoothFlipScale);
+//! [7]
+
+//! [8]
+    // Flip animation delayed property assignment
+    QSequentialAnimationGroup *setVariablesSequence = new QSequentialAnimationGroup;
+    QPropertyAnimation *setFillAnimation = new QPropertyAnimation(pad, "fill");
+    QPropertyAnimation *setBackItemVisibleAnimation = new QPropertyAnimation(backItem, "visible");
+    QPropertyAnimation *setSelectionItemVisibleAnimation = new QPropertyAnimation(selectionItem, "visible");
+    setFillAnimation->setDuration(0);
+    setBackItemVisibleAnimation->setDuration(0);
+    setSelectionItemVisibleAnimation->setDuration(0);
+    setVariablesSequence->addPause(250);
+    setVariablesSequence->addAnimation(setBackItemVisibleAnimation);
+    setVariablesSequence->addAnimation(setSelectionItemVisibleAnimation);
+    setVariablesSequence->addAnimation(setFillAnimation);
+    flipAnimation->addAnimation(setVariablesSequence);
+//! [8]
+
+//! [9]
+    // Build the state machine
+    QStateMachine *stateMachine = new QStateMachine(this);
+    QState *splashState = new QState(stateMachine);
+    QState *frontState = new QState(stateMachine);
+    QHistoryState *historyState = new QHistoryState(frontState);
+    QState *backState = new QState(stateMachine);
+//! [9]
+//! [10]
+    frontState->assignProperty(pad, "fill", false);
+    frontState->assignProperty(splash, "opacity", 0.0);
+    frontState->assignProperty(backItem, "visible", false);
+    frontState->assignProperty(flipRotation, "angle", qvariant_cast<qreal>(0.0));
+    frontState->assignProperty(selectionItem, "visible", true);
+    backState->assignProperty(pad, "fill", true);
+    backState->assignProperty(backItem, "visible", true);
+    backState->assignProperty(xRotation, "angle", qvariant_cast<qreal>(0.0));
+    backState->assignProperty(yRotation, "angle", qvariant_cast<qreal>(0.0));
+    backState->assignProperty(flipRotation, "angle", qvariant_cast<qreal>(180.0));
+    backState->assignProperty(selectionItem, "visible", false);
+    stateMachine->addDefaultAnimation(smoothXRotation);
+    stateMachine->addDefaultAnimation(smoothYRotation);
+    stateMachine->addDefaultAnimation(smoothXSelection);
+    stateMachine->addDefaultAnimation(smoothYSelection);
+    stateMachine->setInitialState(splashState);
+//! [10]
+
+//! [11]
+    // Transitions
+    QEventTransition *anyKeyTransition = new QEventTransition(this, QEvent::KeyPress, splashState);
+    anyKeyTransition->setTargetState(frontState);
+    anyKeyTransition->addAnimation(smoothSplashMove);
+    anyKeyTransition->addAnimation(smoothSplashOpacity);
+//! [11]
+
+//! [12]
+    QKeyEventTransition *enterTransition = new QKeyEventTransition(this, QEvent::KeyPress,
+                                                                   Qt::Key_Enter, backState);
+    QKeyEventTransition *returnTransition = new QKeyEventTransition(this, QEvent::KeyPress,
+                                                                    Qt::Key_Return, backState);
+    QKeyEventTransition *backEnterTransition = new QKeyEventTransition(this, QEvent::KeyPress,
+                                                                       Qt::Key_Enter, frontState);
+    QKeyEventTransition *backReturnTransition = new QKeyEventTransition(this, QEvent::KeyPress,
+                                                                        Qt::Key_Return, frontState);
+    enterTransition->setTargetState(historyState);
+    returnTransition->setTargetState(historyState);
+    backEnterTransition->setTargetState(backState);
+    backReturnTransition->setTargetState(backState);
+    enterTransition->addAnimation(flipAnimation);
+    returnTransition->addAnimation(flipAnimation);
+    backEnterTransition->addAnimation(flipAnimation);
+    backReturnTransition->addAnimation(flipAnimation);
+//! [12]
+
+//! [13]
+    // Create substates for each icon; store in temporary grid.
+    int columns = size.width();
+    int rows = size.height();
+    QList<QList<QState *>> stateGrid;
+    stateGrid.resize(rows);
+    for (int y = 0; y < rows; ++y) {
+        stateGrid[y].resize(columns);
+        for (int x = 0; x < columns; ++x)
+            stateGrid[y][x] = new QState(frontState);
+    }
+    frontState->setInitialState(stateGrid[0][0]);
+    selectionItem->setPos(pad->iconAt(0, 0)->pos());
+//! [13]
+
+//! [14]
+    // Enable key navigation using state transitions
+    for (int y = 0; y < rows; ++y) {
+        for (int x = 0; x < columns; ++x) {
+            QState *state = stateGrid[y][x];
+            QKeyEventTransition *rightTransition = new QKeyEventTransition(this, QEvent::KeyPress,
+                                                                           Qt::Key_Right, state);
+            QKeyEventTransition *leftTransition = new QKeyEventTransition(this, QEvent::KeyPress,
+                                                                          Qt::Key_Left, state);
+            QKeyEventTransition *downTransition = new QKeyEventTransition(this, QEvent::KeyPress,
+                                                                          Qt::Key_Down, state);
+            QKeyEventTransition *upTransition = new QKeyEventTransition(this, QEvent::KeyPress,
+                                                                        Qt::Key_Up, state);
+            rightTransition->setTargetState(stateGrid[y][(x + 1) % columns]);
+            leftTransition->setTargetState(stateGrid[y][((x - 1) + columns) % columns]);
+            downTransition->setTargetState(stateGrid[(y + 1) % rows][x]);
+            upTransition->setTargetState(stateGrid[((y - 1) + rows) % rows][x]);
+//! [14]
+//! [15]
+            RoundRectItem *icon = pad->iconAt(x, y);
+            state->assignProperty(xRotation, "angle", -icon->x() / 6.0);
+            state->assignProperty(yRotation, "angle", icon->y() / 6.0);
+            state->assignProperty(selectionItem, "x", icon->x());
+            state->assignProperty(selectionItem, "y", icon->y());
+            frontState->assignProperty(icon, "visible", true);
+            backState->assignProperty(icon, "visible", false);
+
+            QPropertyAnimation *setIconVisibleAnimation = new QPropertyAnimation(icon, "visible");
+            setIconVisibleAnimation->setDuration(0);
+            setVariablesSequence->addAnimation(setIconVisibleAnimation);
+        }
+    }
+//! [15]
+
+//! [16]
+    // Scene
+    QGraphicsScene *scene = new QGraphicsScene(this);
+    scene->setBackgroundBrush(QPixmap(":/images/blue_angle_swirl.jpg"));
+    scene->setItemIndexMethod(QGraphicsScene::NoIndex);
+    scene->addItem(pad);
+    scene->setSceneRect(scene->itemsBoundingRect());
+    setScene(scene);
+//! [16]
+
+//! [17]
+    // Adjust splash item to scene contents
+    const QRectF sbr = splash->boundingRect();
+    splash->setPos(-sbr.width() / 2, scene->sceneRect().top() - 2);
+    frontState->assignProperty(splash, "y", splash->y() - 100.0);
+    scene->addItem(splash);
+//! [17]
+
+//! [18]
+    // View
+    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    setMinimumSize(50, 50);
+    setViewportUpdateMode(FullViewportUpdate);
+    setCacheMode(CacheBackground);
+    setRenderHints(QPainter::Antialiasing
+                   | QPainter::SmoothPixmapTransform
+                   | QPainter::TextAntialiasing);
+#ifndef QT_NO_OPENGL
+    setViewport(new QOpenGLWidget);
+#endif
+
+    stateMachine->start();
+//! [18]
+}
+
+//! [19]
+void PadNavigator::resizeEvent(QResizeEvent *event)
+{
+    QGraphicsView::resizeEvent(event);
+    fitInView(scene()->sceneRect(), Qt::KeepAspectRatio);
+}
+//! [19]
diff --git a/examples/statemachine/graphicsview/padnavigator/padnavigator.h b/examples/statemachine/graphicsview/padnavigator/padnavigator.h
new file mode 100644
index 0000000..0fe9ad0
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/padnavigator.h
@@ -0,0 +1,72 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef PADNAVIGATOR_H
+#define PADNAVIGATOR_H
+
+#include <QGraphicsView>
+#include "ui_form.h"
+
+//! [0]
+class PadNavigator : public QGraphicsView
+{
+    Q_OBJECT
+public:
+    explicit PadNavigator(const QSize &size, QWidget *parent = nullptr);
+
+protected:
+    void resizeEvent(QResizeEvent *event) override;
+
+private:
+    Ui::Form form;
+};
+//! [0]
+
+#endif // PADNAVIGATOR_H
diff --git a/examples/statemachine/graphicsview/padnavigator/padnavigator.pro b/examples/statemachine/graphicsview/padnavigator/padnavigator.pro
new file mode 100644
index 0000000..f787c51
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/padnavigator.pro
@@ -0,0 +1,27 @@
+SOURCES += main.cpp \
+    roundrectitem.cpp \
+    flippablepad.cpp \
+    padnavigator.cpp \
+    splashitem.cpp
+
+HEADERS += \
+    roundrectitem.h \
+    flippablepad.h \
+    padnavigator.h \
+    splashitem.h
+
+RESOURCES += \
+    padnavigator.qrc
+
+FORMS += \
+    form.ui
+
+QT += statemachine widgets
+requires(qtConfig(treewidget))
+qtHaveModule(opengl): QT += opengl openglwidgets
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/statemachine/graphicsview/padnavigator
+INSTALLS += target
+
+CONFIG += console
diff --git a/examples/statemachine/graphicsview/padnavigator/padnavigator.qrc b/examples/statemachine/graphicsview/padnavigator/padnavigator.qrc
new file mode 100644
index 0000000..b26ab92
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/padnavigator.qrc
@@ -0,0 +1,13 @@
+<RCC>
+ <qresource>
+  <file>images/blue_angle_swirl.jpg</file>
+  <file>images/artsfftscope.png</file>
+  <file>images/kontact_contacts.png</file>
+  <file>images/kontact_journal.png</file>
+  <file>images/kontact_mail.png</file>
+  <file>images/kontact_notes.png</file>
+  <file>images/kopeteavailable.png</file>
+  <file>images/metacontact_online.png</file>
+  <file>images/minitools.png</file>
+ </qresource>
+</RCC>
diff --git a/examples/statemachine/graphicsview/padnavigator/roundrectitem.cpp b/examples/statemachine/graphicsview/padnavigator/roundrectitem.cpp
new file mode 100644
index 0000000..b4ea489
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/roundrectitem.cpp
@@ -0,0 +1,125 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples 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 "roundrectitem.h"
+
+#include <QGuiApplication>
+#include <QPainter>
+#include <QPalette>
+
+//! [0]
+RoundRectItem::RoundRectItem(const QRectF &bounds, const QColor &color,
+                             QGraphicsItem *parent)
+    : QGraphicsObject(parent), fillRect(false), bounds(bounds)
+{
+    gradient.setStart(bounds.topLeft());
+    gradient.setFinalStop(bounds.bottomRight());
+    gradient.setColorAt(0, color);
+    gradient.setColorAt(1, color.darker(200));
+    setCacheMode(ItemCoordinateCache);
+}
+//! [0]
+
+//! [1]
+QPixmap RoundRectItem::pixmap() const
+{
+    return pix;
+}
+void RoundRectItem::setPixmap(const QPixmap &pixmap)
+{
+    pix = pixmap;
+    update();
+}
+//! [1]
+
+//! [2]
+QRectF RoundRectItem::boundingRect() const
+{
+    return bounds.adjusted(0, 0, 2, 2);
+}
+//! [2]
+
+//! [3]
+void RoundRectItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+                          QWidget *widget)
+{
+    Q_UNUSED(option);
+    Q_UNUSED(widget);
+    painter->setPen(Qt::NoPen);
+    painter->setBrush(QColor(0, 0, 0, 64));
+    painter->drawRoundedRect(bounds.translated(2, 2), 25, 25, Qt::RelativeSize);
+//! [3]
+//! [4]
+    if (fillRect)
+        painter->setBrush(QGuiApplication::palette().brush(QPalette::Window));
+    else
+        painter->setBrush(gradient);
+    painter->setPen(QPen(Qt::black, 1));
+    painter->drawRoundedRect(bounds, 25,25, Qt::RelativeSize);
+//! [4]
+//! [5]
+    if (!pix.isNull()) {
+        painter->scale(1.95, 1.95);
+        painter->drawPixmap(-pix.width() / 2, -pix.height() / 2, pix);
+    }
+}
+//! [5]
+
+//! [6]
+bool RoundRectItem::fill() const
+{
+    return fillRect;
+}
+void RoundRectItem::setFill(bool fill)
+{
+    fillRect = fill;
+    update();
+}
+//! [6]
diff --git a/examples/statemachine/graphicsview/padnavigator/roundrectitem.h b/examples/statemachine/graphicsview/padnavigator/roundrectitem.h
new file mode 100644
index 0000000..91b3e65
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/roundrectitem.h
@@ -0,0 +1,85 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef ROUNDRECTITEM_H
+#define ROUNDRECTITEM_H
+
+#include <QGraphicsObject>
+#include <QLinearGradient>
+
+//! [0]
+class RoundRectItem : public QGraphicsObject
+{
+    Q_OBJECT
+    Q_PROPERTY(bool fill READ fill WRITE setFill)
+public:
+    RoundRectItem(const QRectF &bounds, const QColor &color,
+                  QGraphicsItem *parent = nullptr);
+
+    QPixmap pixmap() const;
+    void setPixmap(const QPixmap &pixmap);
+
+    QRectF boundingRect() const override;
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr) override;
+
+    bool fill() const;
+    void setFill(bool fill);
+//! [0]
+
+//! [1]
+private:
+    QPixmap pix;
+    bool fillRect;
+    QRectF bounds;
+    QLinearGradient gradient;
+};
+//! [1]
+
+#endif // ROUNDRECTITEM_H
diff --git a/examples/statemachine/graphicsview/padnavigator/splashitem.cpp b/examples/statemachine/graphicsview/padnavigator/splashitem.cpp
new file mode 100644
index 0000000..7c3dfba
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/splashitem.cpp
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples 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 "splashitem.h"
+
+#include <QPainter>
+
+//! [0]
+SplashItem::SplashItem(QGraphicsItem *parent)
+    : QGraphicsObject(parent)
+{
+    text = tr("Welcome to the Pad Navigator Example. You can use the"
+              " keyboard arrows to navigate the icons, and press enter"
+              " to activate an item. Press any key to begin.");
+    setCacheMode(DeviceCoordinateCache);
+}
+//! [0]
+
+//! [1]
+QRectF SplashItem::boundingRect() const
+{
+    return QRectF(0, 0, 400, 175);
+}
+//! [1]
+
+//! [2]
+void SplashItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+                       QWidget *widget)
+{
+    Q_UNUSED(option);
+    Q_UNUSED(widget);
+    painter->setPen(QPen(Qt::black, 2));
+    painter->setBrush(QColor(245, 245, 255, 220));
+    painter->setClipRect(boundingRect());
+    painter->drawRoundedRect(3, -100 + 3, 400 - 6, 250 - 6, 25, 25, Qt::RelativeSize);
+
+    QRectF textRect = boundingRect().adjusted(10, 10, -10, -10);
+    int flags = Qt::AlignTop | Qt::AlignLeft | Qt::TextWordWrap;
+
+    QFont font;
+    font.setPixelSize(18);
+    painter->setPen(Qt::black);
+    painter->setFont(font);
+    painter->drawText(textRect, flags, text);
+}
+//! [2]
diff --git a/examples/statemachine/graphicsview/padnavigator/splashitem.h b/examples/statemachine/graphicsview/padnavigator/splashitem.h
new file mode 100644
index 0000000..b8e723d
--- /dev/null
+++ b/examples/statemachine/graphicsview/padnavigator/splashitem.h
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SPLASHITEM_H
+#define SPLASHITEM_H
+
+#include <QGraphicsObject>
+
+//! [0]
+class SplashItem : public QGraphicsObject
+{
+    Q_OBJECT
+public:
+    explicit SplashItem(QGraphicsItem *parent = nullptr);
+
+    QRectF boundingRect() const override;
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr) override;
+
+private:
+    QString text;
+};
+//! [0]
+
+#endif // SPLASHITEM_H