1 files changed, 122 insertions, 0 deletions
diff --git a/tests/manual/examples/blurpicker/blurpicker.cpp b/tests/manual/examples/blurpicker/blurpicker.cpp
new file mode 100644
index 0000000000..00269c8fe3
--- /dev/null
+++ b/tests/manual/examples/blurpicker/blurpicker.cpp
@@ -0,0 +1,122 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "blurpicker.h"
+
+#include <QtWidgets>
+#include <QtCore/qmath.h>
+#include <qmath.h>
+#include "blureffect.h"
+
+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;
+    const qreal iconAngle = 2 * M_PI / m_icons.count();
+    for (int i = 0; i < m_icons.count(); ++i) {
+        QGraphicsItem *icon = m_icons[i];
+        qreal a = (i + m_index) * iconAngle;
+        qreal xs = 170 * qSin(a);
+        qreal ys = 100 * qCos(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->position().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();
+    }
+}