Moving .qdoc files under examples/widgets/doc

Updated those .qdoc files to refer to the new relative examples
emplacement. Images and snippets to be moved later.

Also grouped all widgets related examples under widgets.

Change-Id: Ib29696e2d8948524537f53e8dda88f9ee26a597f
Reviewed-by: J-P Nurmi <j-p.nurmi@nokia.com>

32 files changed, 1055 insertions, 0 deletions

diff --git a/examples/widgets/effects/blurpicker/blureffect.cpp b/examples/widgets/effects/blurpicker/blureffect.cpp
new file mode 100644
index 0000000000..d9a757722b
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/blureffect.cpp
@@ -0,0 +1,68 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation and its Subsidiary(-ies) 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 "blureffect.h"
+
+#include <QDebug>
+
+BlurEffect::BlurEffect(QGraphicsItem *item)
+    : QGraphicsBlurEffect()
+    , m_baseLine(200), item(item)
+{
+}
+
+void BlurEffect::adjustForItem()
+{
+    qreal y = m_baseLine - item->pos().y();
+    qreal radius = qBound(qreal(0.0), y / 32, qreal(16.0));
+    setBlurRadius(radius);
+}
+
+QRectF BlurEffect::boundingRect() const
+{
+    const_cast<BlurEffect *>(this)->adjustForItem();
+    return QGraphicsBlurEffect::boundingRect();
+}
+
+void BlurEffect::draw(QPainter *painter)
+{
+    adjustForItem();
+    QGraphicsBlurEffect::draw(painter);
+}
diff --git a/examples/widgets/effects/blurpicker/blureffect.h b/examples/widgets/effects/blurpicker/blureffect.h
new file mode 100644
index 0000000000..6cef9df4b5
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/blureffect.h
@@ -0,0 +1,66 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation and its Subsidiary(-ies) 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 BLUREFFECT_H
+#define BLUREFFECT_H
+
+#include <QGraphicsEffect>
+#include <QGraphicsItem>
+
+class BlurEffect: public QGraphicsBlurEffect
+{
+public:
+    BlurEffect(QGraphicsItem *item);
+
+    void setBaseLine(qreal y) { m_baseLine = y; }
+
+    QRectF boundingRect() const;
+
+    void draw(QPainter *painter);
+
+private:
+    void adjustForItem();
+
+private:
+    qreal m_baseLine;
+    QGraphicsItem *item;
+};
+
+#endif // BLUREFFECT_H
diff --git a/examples/widgets/effects/blurpicker/blurpicker.cpp b/examples/widgets/effects/blurpicker/blurpicker.cpp
new file mode 100644
index 0000000000..ab56b241f8
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/blurpicker.cpp
@@ -0,0 +1,161 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation and its Subsidiary(-ies) 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 "blurpicker.h"
+
+#include <QtWidgets>
+
+#include "blureffect.h"
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+BlurPicker::BlurPicker(QWidget *parent): QGraphicsView(parent), m_index(0.0), m_animation(this, "index")
+{
+    setBackgroundBrush(QPixmap(":/images/background.jpg"));
+    setScene(new QGraphicsScene(this));
+
+    setupScene();
+    setIndex(0);
+
+    m_animation.setDuration(400);
+    m_animation.setEasingCurve(QEasingCurve::InOutSine);
+
+    setRenderHint(QPainter::Antialiasing, true);
+    setFrameStyle(QFrame::NoFrame);
+}
+
+qreal BlurPicker::index() const
+{
+    return m_index;
+}
+
+void BlurPicker::setIndex(qreal index)
+{
+    m_index = index;
+
+    qreal baseline = 0;
+    for (int i = 0; i < m_icons.count(); ++i) {
+        QGraphicsItem *icon = m_icons[i];
+        qreal a = ((i + m_index) * 2 * M_PI) / m_icons.count();
+        qreal xs = 170 * sin(a);
+        qreal ys = 100 * cos(a);
+        QPointF pos(xs, ys);
+        pos = QTransform().rotate(-20).map(pos);
+        pos -= QPointF(40, 40);
+        icon->setPos(pos);
+        baseline = qMax(baseline, ys);
+        static_cast<BlurEffect *>(icon->graphicsEffect())->setBaseLine(baseline);
+    }
+
+    scene()->update();
+}
+
+void BlurPicker::setupScene()
+{
+    scene()->setSceneRect(-200, -120, 400, 240);
+
+    QStringList names;
+    names << ":/images/accessories-calculator.png";
+    names << ":/images/accessories-text-editor.png";
+    names << ":/images/help-browser.png";
+    names << ":/images/internet-group-chat.png";
+    names << ":/images/internet-mail.png";
+    names << ":/images/internet-web-browser.png";
+    names << ":/images/office-calendar.png";
+    names << ":/images/system-users.png";
+
+    for (int i = 0; i < names.count(); i++) {
+        QPixmap pixmap(names[i]);
+        QGraphicsPixmapItem *icon = scene()->addPixmap(pixmap);
+        icon->setZValue(1);
+        icon->setGraphicsEffect(new BlurEffect(icon));
+        m_icons << icon;
+    }
+
+    QGraphicsPixmapItem *bg = scene()->addPixmap(QPixmap(":/images/background.jpg"));
+    bg->setZValue(0);
+    bg->setPos(-200, -150);
+}
+
+void BlurPicker::keyPressEvent(QKeyEvent *event)
+{
+    int delta = 0;
+    switch (event->key())
+    {
+    case Qt::Key_Left:
+        delta = -1;
+        break;
+    case  Qt::Key_Right:
+        delta = 1;
+        break;
+    default:
+        break;
+    }
+    if (m_animation.state() == QAbstractAnimation::Stopped && delta) {
+        m_animation.setEndValue(m_index + delta);
+        m_animation.start();
+        event->accept();
+    }
+}
+
+void BlurPicker::resizeEvent(QResizeEvent */*event*/)
+{
+}
+
+void BlurPicker::mousePressEvent(QMouseEvent *event)
+{
+    int delta = 0;
+    if(event->x() > (width() / 2))
+    {
+        delta = 1;
+    }
+    else
+    {
+        delta = -1;
+    }
+
+    if (m_animation.state() == QAbstractAnimation::Stopped && delta) {
+        m_animation.setEndValue(m_index + delta);
+        m_animation.start();
+        event->accept();
+    }
+}
diff --git a/examples/widgets/effects/blurpicker/blurpicker.desktop b/examples/widgets/effects/blurpicker/blurpicker.desktop
new file mode 100644
index 0000000000..0863ef7ba8
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/blurpicker.desktop
@@ -0,0 +1,11 @@
+[Desktop Entry]
+Encoding=UTF-8
+Version=1.0
+Type=Application
+Terminal=false
+Name=Blur Picker Effect
+Exec=/opt/usr/bin/blurpicker
+Icon=blurpicker
+X-Window-Icon=
+X-HildonDesk-ShowInToolbar=true
+X-Osso-Type=application/x-executable
diff --git a/examples/widgets/effects/blurpicker/blurpicker.h b/examples/widgets/effects/blurpicker/blurpicker.h
new file mode 100644
index 0000000000..c0df0814d0
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/blurpicker.h
@@ -0,0 +1,75 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation and its Subsidiary(-ies) 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 BLURPICKER_H
+#define BLURPICKER_H
+
+#include <QGraphicsEffect>
+#include <QGraphicsView>
+#include <QPropertyAnimation>
+
+#include "blureffect.h"
+
+class BlurPicker: public QGraphicsView
+{
+    Q_OBJECT
+    Q_PROPERTY(qreal index READ index WRITE setIndex)
+
+public:
+    BlurPicker(QWidget *parent = 0);
+
+    qreal index() const;
+    void setIndex(qreal);
+
+protected:
+    void keyPressEvent(QKeyEvent *event);
+    void resizeEvent(QResizeEvent *event);
+    void mousePressEvent(QMouseEvent *event);
+
+private:
+    void setupScene();
+
+private:
+    qreal m_index;
+    QList<QGraphicsItem*> m_icons;
+    QPropertyAnimation m_animation;
+};
+
+#endif // BLURPICKER_H
diff --git a/examples/widgets/effects/blurpicker/blurpicker.pro b/examples/widgets/effects/blurpicker/blurpicker.pro
new file mode 100644
index 0000000000..c477ea6e39
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/blurpicker.pro
@@ -0,0 +1,11 @@
+SOURCES += main.cpp blurpicker.cpp blureffect.cpp
+HEADERS += blurpicker.h blureffect.h
+RESOURCES += blurpicker.qrc
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/effects/blurpicker
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS blurpicker.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/effects/blurpicker
+INSTALLS += target sources
+QT += widgets
+
diff --git a/examples/widgets/effects/blurpicker/blurpicker.qrc b/examples/widgets/effects/blurpicker/blurpicker.qrc
new file mode 100644
index 0000000000..e88eaca966
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/blurpicker.qrc
@@ -0,0 +1,14 @@
+<RCC>
+    <qresource prefix="/" >
+        <file>images/background.jpg</file>
+        <file>images/accessories-calculator.png</file>
+        <file>images/accessories-text-editor.png</file>
+        <file>images/help-browser.png</file>
+        <file>images/internet-group-chat.png</file>
+        <file>images/internet-mail.png</file>
+        <file>images/internet-web-browser.png</file>
+        <file>images/office-calendar.png</file>
+        <file>images/system-users.png</file>
+    </qresource>
+</RCC>
+
diff --git a/examples/widgets/effects/blurpicker/images/README.txt b/examples/widgets/effects/blurpicker/images/README.txt
new file mode 100644
index 0000000000..0927e177d2
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/images/README.txt
@@ -0,0 +1,5 @@
+The background is taken from a public domain photo at:
+http://www.photos8.com/view/computer_board2-800x600.html
+
+All other icons are from the Tango Desktop project:
+http://tango.freedesktop.org/Tango_Desktop_Project
diff --git a/examples/widgets/effects/blurpicker/images/accessories-calculator.png b/examples/widgets/effects/blurpicker/images/accessories-calculator.png
new file mode 100644
index 0000000000..4e7661f65c
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/images/accessories-calculator.png
diff --git a/examples/widgets/effects/blurpicker/images/accessories-text-editor.png b/examples/widgets/effects/blurpicker/images/accessories-text-editor.png
new file mode 100644
index 0000000000..33bef0bc17
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/images/accessories-text-editor.png
diff --git a/examples/widgets/effects/blurpicker/images/background.jpg b/examples/widgets/effects/blurpicker/images/background.jpg
new file mode 100644
index 0000000000..e75b38899d
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/images/background.jpg
diff --git a/examples/widgets/effects/blurpicker/images/help-browser.png b/examples/widgets/effects/blurpicker/images/help-browser.png
new file mode 100644
index 0000000000..8ef4fae91b
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/images/help-browser.png
diff --git a/examples/widgets/effects/blurpicker/images/internet-group-chat.png b/examples/widgets/effects/blurpicker/images/internet-group-chat.png
new file mode 100644
index 0000000000..dd92d93947
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/images/internet-group-chat.png
diff --git a/examples/widgets/effects/blurpicker/images/internet-mail.png b/examples/widgets/effects/blurpicker/images/internet-mail.png
new file mode 100644
index 0000000000..7e6b93be83
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/images/internet-mail.png
diff --git a/examples/widgets/effects/blurpicker/images/internet-web-browser.png b/examples/widgets/effects/blurpicker/images/internet-web-browser.png
new file mode 100644
index 0000000000..a979a92b4f
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/images/internet-web-browser.png
diff --git a/examples/widgets/effects/blurpicker/images/office-calendar.png b/examples/widgets/effects/blurpicker/images/office-calendar.png
new file mode 100644
index 0000000000..e09590682b
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/images/office-calendar.png
diff --git a/examples/widgets/effects/blurpicker/images/system-users.png b/examples/widgets/effects/blurpicker/images/system-users.png
new file mode 100644
index 0000000000..a7f630a5bd
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/images/system-users.png
diff --git a/examples/widgets/effects/blurpicker/main.cpp b/examples/widgets/effects/blurpicker/main.cpp
new file mode 100644
index 0000000000..662800596d
--- /dev/null
+++ b/examples/widgets/effects/blurpicker/main.cpp
@@ -0,0 +1,55 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation and its Subsidiary(-ies) 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 "blurpicker.h"
+#include <QApplication>
+
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+
+    BlurPicker blurPicker;
+    blurPicker.setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Application Picker"));
+
+    blurPicker.setFixedSize(400, 300);
+    blurPicker.show();
+
+    return app.exec();
+}
diff --git a/examples/widgets/effects/effects.pro b/examples/widgets/effects/effects.pro
new file mode 100644
index 0000000000..db7b8a723e
--- /dev/null
+++ b/examples/widgets/effects/effects.pro
@@ -0,0 +1,14 @@
+TEMPLATE      = \
+              subdirs
+SUBDIRS       = \
+              blurpicker \
+              lighting \
+              fademessage
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/effects
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS effects.pro README
+sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/effects
+INSTALLS += target sources
+
+QT += widgets
diff --git a/examples/widgets/effects/fademessage/README.txt b/examples/widgets/effects/fademessage/README.txt
new file mode 100644
index 0000000000..f639e76508
--- /dev/null
+++ b/examples/widgets/effects/fademessage/README.txt
@@ -0,0 +1,2 @@
+The background is taken from a public domain photo at:
+http://www.photos8.com/view/windows_problem_blue-800x600.html
diff --git a/examples/widgets/effects/fademessage/background.jpg b/examples/widgets/effects/fademessage/background.jpg
new file mode 100644
index 0000000000..9884233a29
--- /dev/null
+++ b/examples/widgets/effects/fademessage/background.jpg
diff --git a/examples/widgets/effects/fademessage/fademessage.cpp b/examples/widgets/effects/fademessage/fademessage.cpp
new file mode 100644
index 0000000000..0af0a57904
--- /dev/null
+++ b/examples/widgets/effects/fademessage/fademessage.cpp
@@ -0,0 +1,128 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation and its Subsidiary(-ies) 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 "fademessage.h"
+
+#include <QtWidgets>
+
+FadeMessage::FadeMessage(QWidget *parent): QGraphicsView(parent)
+{
+    setScene(&m_scene);
+    setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+
+    setupScene();
+
+    m_animation = new QPropertyAnimation(m_effect, "strength", this);
+    m_animation->setDuration(500);
+    m_animation->setEasingCurve(QEasingCurve::InOutSine);
+    m_animation->setStartValue(0);
+    m_animation->setEndValue(1);
+
+    setRenderHint(QPainter::Antialiasing, true);
+    setFrameStyle(QFrame::NoFrame);
+}
+
+void FadeMessage::togglePopup()
+{
+    if (m_message->isVisible()) {
+        m_message->setVisible(false);
+        m_animation->setDirection(QAbstractAnimation::Backward);
+    } else {
+        m_message->setVisible(true);
+        m_animation->setDirection(QAbstractAnimation::Forward);
+    }
+    m_animation->start();
+}
+
+void FadeMessage::setupScene()
+{
+    QGraphicsRectItem *parent = m_scene.addRect(0, 0, 800, 600);
+    parent->setPen(Qt::NoPen);
+    parent->setZValue(0);
+
+    QGraphicsPixmapItem *bg = m_scene.addPixmap(QPixmap(":/background.jpg"));
+    bg->setParentItem(parent);
+    bg->setZValue(-1);
+
+    for (int i = 1; i < 5; ++i)
+        for (int j = 2; j < 5; ++j) {
+            QGraphicsRectItem *item = m_scene.addRect(i * 50, (j - 1) * 50, 38, 38);
+            item->setParentItem(parent);
+            item->setZValue(1);
+            int hue = 12 * (i * 5 + j);
+            item->setBrush(QColor::fromHsv(hue, 128, 128));
+        }
+
+    QFont font;
+    font.setPointSize(font.pointSize() * 2);
+    font.setBold(true);
+    QFontMetrics fontMetrics(font);
+    int fh = fontMetrics.height();
+
+    QString sceneText = "Qt Everywhere!";
+    int sceneTextWidth = fontMetrics.width(sceneText);
+
+    QGraphicsRectItem *block = m_scene.addRect(50, 300, sceneTextWidth, fh + 3);
+    block->setPen(Qt::NoPen);
+    block->setBrush(QColor(102, 153, 51));
+
+    QGraphicsTextItem *text = m_scene.addText(sceneText, font);
+    text->setDefaultTextColor(Qt::white);
+    text->setPos(50, 300);
+    block->setZValue(2);
+    block->hide();
+
+    text->setParentItem(block);
+    m_message = block;
+
+    m_effect = new QGraphicsColorizeEffect;
+    m_effect->setColor(QColor(122, 193, 66));
+    m_effect->setStrength(0);
+    m_effect->setEnabled(true);
+    parent->setGraphicsEffect(m_effect);
+
+    QPushButton *press = new QPushButton;
+    press->setText(tr("Press me"));
+    connect(press, SIGNAL(clicked()), SLOT(togglePopup()));
+    m_scene.addWidget(press);
+
+    press->move(300, 500);
+}
diff --git a/examples/widgets/effects/fademessage/fademessage.desktop b/examples/widgets/effects/fademessage/fademessage.desktop
new file mode 100644
index 0000000000..aa22ad7912
--- /dev/null
+++ b/examples/widgets/effects/fademessage/fademessage.desktop
@@ -0,0 +1,11 @@
+[Desktop Entry]
+Encoding=UTF-8
+Version=1.0
+Type=Application
+Terminal=false
+Name=Fade Message Effect
+Exec=/opt/usr/bin/fademessage
+Icon=fademessage
+X-Window-Icon=
+X-HildonDesk-ShowInToolbar=true
+X-Osso-Type=application/x-executable
diff --git a/examples/widgets/effects/fademessage/fademessage.h b/examples/widgets/effects/fademessage/fademessage.h
new file mode 100644
index 0000000000..635f57a725
--- /dev/null
+++ b/examples/widgets/effects/fademessage/fademessage.h
@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation and its Subsidiary(-ies) 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 FADEMESSAGE_H
+#define FADEMESSAGE_H
+
+#include <QGraphicsEffect>
+#include <QGraphicsView>
+#include <QPropertyAnimation>
+
+#include "fademessage.h"
+
+class FadeMessage: public QGraphicsView
+{
+    Q_OBJECT
+
+public:
+    FadeMessage(QWidget *parent = 0);
+
+private:
+    void setupScene();
+
+private slots:
+    void togglePopup();
+
+private:
+    QGraphicsScene m_scene;
+    QGraphicsColorizeEffect *m_effect;
+    QGraphicsItem *m_message;
+    QPropertyAnimation *m_animation;
+};
+
+#endif // FADEMESSAGE_H
diff --git a/examples/widgets/effects/fademessage/fademessage.pro b/examples/widgets/effects/fademessage/fademessage.pro
new file mode 100644
index 0000000000..98161e0be4
--- /dev/null
+++ b/examples/widgets/effects/fademessage/fademessage.pro
@@ -0,0 +1,18 @@
+SOURCES += main.cpp fademessage.cpp
+HEADERS += fademessage.h
+RESOURCES += fademessage.qrc
+INSTALLS += target sources
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/effects/fademessage
+sources.files = $$SOURCES \
+    $$HEADERS \
+    $$RESOURCES \
+    $$FORMS \
+    fademessage.pro \
+    background.jpg
+sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/effects/fademessage
+
+
+QT += widgets
+simulator: warning(This example might not fully work on Simulator platform)
diff --git a/examples/widgets/effects/fademessage/fademessage.qrc b/examples/widgets/effects/fademessage/fademessage.qrc
new file mode 100644
index 0000000000..9efea6a67d
--- /dev/null
+++ b/examples/widgets/effects/fademessage/fademessage.qrc
@@ -0,0 +1,5 @@
+<RCC>
+    <qresource prefix="/" >
+        <file>background.jpg</file>
+    </qresource>
+</RCC>
diff --git a/examples/widgets/effects/fademessage/main.cpp b/examples/widgets/effects/fademessage/main.cpp
new file mode 100644
index 0000000000..d755ebeb7b
--- /dev/null
+++ b/examples/widgets/effects/fademessage/main.cpp
@@ -0,0 +1,55 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation and its Subsidiary(-ies) 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 <QApplication>
+
+#include "fademessage.h"
+
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+
+    FadeMessage widget;
+    widget.setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Popup Message with Effect"));
+    widget.setFixedSize(400, 600);
+    widget.show();
+
+    return app.exec();
+}
diff --git a/examples/widgets/effects/lighting/lighting.cpp b/examples/widgets/effects/lighting/lighting.cpp
new file mode 100644
index 0000000000..713d0e0ec9
--- /dev/null
+++ b/examples/widgets/effects/lighting/lighting.cpp
@@ -0,0 +1,139 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation and its Subsidiary(-ies) 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 "lighting.h"
+
+#include <QtWidgets>
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+Lighting::Lighting(QWidget *parent): QGraphicsView(parent), angle(0.0)
+{
+    setScene(&m_scene);
+
+    setupScene();
+
+    QTimer *timer = new QTimer(this);
+    connect(timer, SIGNAL(timeout()), SLOT(animate()));
+    timer->setInterval(30);
+    timer->start();
+
+    setRenderHint(QPainter::Antialiasing, true);
+    setFrameStyle(QFrame::NoFrame);
+}
+
+void Lighting::setupScene()
+{
+    m_scene.setSceneRect(-300, -200, 600, 460);
+
+    QLinearGradient linearGrad(QPointF(-100, -100), QPointF(100, 100));
+    linearGrad.setColorAt(0, QColor(255, 255, 255));
+    linearGrad.setColorAt(1, QColor(192, 192, 255));
+    setBackgroundBrush(linearGrad);
+
+    QRadialGradient radialGrad(30, 30, 30);
+    radialGrad.setColorAt(0, Qt::yellow);
+    radialGrad.setColorAt(0.2, Qt::yellow);
+    radialGrad.setColorAt(1, Qt::transparent);
+    QPixmap pixmap(60, 60);
+    pixmap.fill(Qt::transparent);
+    QPainter painter(&pixmap);
+    painter.setPen(Qt::NoPen);
+    painter.setBrush(radialGrad);
+    painter.drawEllipse(0, 0, 60, 60);
+    painter.end();
+
+    m_lightSource = m_scene.addPixmap(pixmap);
+    m_lightSource->setZValue(2);
+
+    for (int i = -2; i < 3; ++i)
+        for (int j = -2; j < 3; ++j) {
+            QAbstractGraphicsShapeItem *item;
+            if ((i + j) & 1)
+                item = new QGraphicsEllipseItem(0, 0, 50, 50);
+            else
+                item = new QGraphicsRectItem(0, 0, 50, 50);
+
+            item->setPen(QPen(Qt::black, 1));
+            item->setBrush(QBrush(Qt::white));
+            QGraphicsDropShadowEffect *effect = new QGraphicsDropShadowEffect;
+            effect->setBlurRadius(8);
+            item->setGraphicsEffect(effect);
+            item->setZValue(1);
+            item->setPos(i * 80, j * 80);
+            m_scene.addItem(item);
+            m_items << item;
+        }
+
+
+}
+
+void Lighting::animate()
+{
+    angle += (M_PI / 30);
+    qreal xs = 200 * sin(angle) - 40 + 25;
+    qreal ys = 200 * cos(angle) - 40 + 25;
+    m_lightSource->setPos(xs, ys);
+
+    for (int i = 0; i < m_items.size(); ++i) {
+        QGraphicsItem *item = m_items.at(i);
+        Q_ASSERT(item);
+        QGraphicsDropShadowEffect *effect = static_cast<QGraphicsDropShadowEffect *>(item->graphicsEffect());
+        Q_ASSERT(effect);
+
+        QPointF delta(item->x() - xs, item->y() - ys);
+        effect->setOffset(delta.toPoint() / 30);
+
+        qreal dx = delta.x();
+        qreal dy = delta.y();
+        qreal dd = sqrt(dx * dx + dy * dy);
+        QColor color = effect->color();
+        color.setAlphaF(qBound(0.4, 1 - dd / 200.0, 0.7));
+        effect->setColor(color);
+    }
+
+    m_scene.update();
+}
+
+void Lighting::resizeEvent(QResizeEvent */*event*/)
+{
+}
diff --git a/examples/widgets/effects/lighting/lighting.desktop b/examples/widgets/effects/lighting/lighting.desktop
new file mode 100644
index 0000000000..806b3deca0
--- /dev/null
+++ b/examples/widgets/effects/lighting/lighting.desktop
@@ -0,0 +1,11 @@
+[Desktop Entry]
+Encoding=UTF-8
+Version=1.0
+Type=Application
+Terminal=false
+Name=Lighting Effect
+Exec=/opt/usr/bin/lighting
+Icon=lighting
+X-Window-Icon=
+X-HildonDesk-ShowInToolbar=true
+X-Osso-Type=application/x-executable
diff --git a/examples/widgets/effects/lighting/lighting.h b/examples/widgets/effects/lighting/lighting.h
new file mode 100644
index 0000000000..2ed0d5ac12
--- /dev/null
+++ b/examples/widgets/effects/lighting/lighting.h
@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation and its Subsidiary(-ies) 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 LIGHTING_H
+#define LIGHTING_H
+
+#include <QGraphicsEffect>
+#include <QGraphicsView>
+
+class Lighting: public QGraphicsView
+{
+    Q_OBJECT
+
+public:
+    Lighting(QWidget *parent = 0);
+
+private slots:
+    void animate();
+
+private:
+    void setupScene();
+
+protected:
+    void resizeEvent(QResizeEvent *event);
+
+private:
+    qreal angle;
+    QGraphicsScene m_scene;
+    QGraphicsItem *m_lightSource;
+    QList<QGraphicsItem*> m_items;
+};
+
+#endif // LIGHTING_H
diff --git a/examples/widgets/effects/lighting/lighting.pro b/examples/widgets/effects/lighting/lighting.pro
new file mode 100644
index 0000000000..16be936b26
--- /dev/null
+++ b/examples/widgets/effects/lighting/lighting.pro
@@ -0,0 +1,11 @@
+SOURCES += main.cpp lighting.cpp
+HEADERS += lighting.h
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/effects/lighting
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS lighting.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/effects/lighting
+INSTALLS += target sources
+QT += widgets
+
+
diff --git a/examples/widgets/effects/lighting/main.cpp b/examples/widgets/effects/lighting/main.cpp
new file mode 100644
index 0000000000..aedd9a24cb
--- /dev/null
+++ b/examples/widgets/effects/lighting/main.cpp
@@ -0,0 +1,55 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation and its Subsidiary(-ies) 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 "lighting.h"
+#include <QApplication>
+
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+
+    Lighting lighting;
+    lighting.setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Lighting and Shadows"));
+
+    lighting.resize(640, 480);
+    lighting.show();
+
+    return app.exec();
+}