8 files changed, 289 insertions, 0 deletions
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();
+}