1 files changed, 104 insertions, 0 deletions
diff --git a/tests/manual/maskedmousearea/maskedmousearea.cpp b/tests/manual/maskedmousearea/maskedmousearea.cpp
new file mode 100644
index 0000000000..0456e8f7b1
--- /dev/null
+++ b/tests/manual/maskedmousearea/maskedmousearea.cpp
@@ -0,0 +1,104 @@
+// Copyright (C) 2017 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#include "maskedmousearea.h"
+
+#include <QStyleHints>
+#include <QGuiApplication>
+#include <qqmlfile.h>
+
+MaskedMouseArea::MaskedMouseArea(QQuickItem *parent)
+    : QQuickItem(parent),
+      m_pressed(false),
+      m_alphaThreshold(0.0),
+      m_containsMouse(false)
+{
+    setAcceptHoverEvents(true);
+    setAcceptedMouseButtons(Qt::LeftButton);
+}
+
+void MaskedMouseArea::setPressed(bool pressed)
+{
+    if (m_pressed != pressed) {
+        m_pressed = pressed;
+        emit pressedChanged();
+    }
+}
+
+void MaskedMouseArea::setContainsMouse(bool containsMouse)
+{
+    if (m_containsMouse != containsMouse) {
+        m_containsMouse = containsMouse;
+        emit containsMouseChanged();
+    }
+}
+
+void MaskedMouseArea::setMaskSource(const QUrl &source)
+{
+    if (m_maskSource != source) {
+        m_maskSource = source;
+        m_maskImage = QImage(QQmlFile::urlToLocalFileOrQrc(source));
+        emit maskSourceChanged();
+    }
+}
+
+void MaskedMouseArea::setAlphaThreshold(qreal threshold)
+{
+    if (m_alphaThreshold != threshold) {
+        m_alphaThreshold = threshold;
+        emit alphaThresholdChanged();
+    }
+}
+
+bool MaskedMouseArea::contains(const QPointF &point) const
+{
+    if (!QQuickItem::contains(point) || m_maskImage.isNull())
+        return false;
+
+    QPoint p = point.toPoint();
+
+    if (p.x() < 0 || p.x() >= m_maskImage.width() ||
+        p.y() < 0 || p.y() >= m_maskImage.height())
+        return false;
+
+    qreal r = qBound<int>(0, m_alphaThreshold * 255, 255);
+    return qAlpha(m_maskImage.pixel(p)) > r;
+}
+
+void MaskedMouseArea::mousePressEvent(QMouseEvent *event)
+{
+    setPressed(true);
+    m_pressPoint = event->position().toPoint();
+    emit pressed();
+}
+
+void MaskedMouseArea::mouseReleaseEvent(QMouseEvent *event)
+{
+    setPressed(false);
+    emit released();
+
+    const int threshold = qApp->styleHints()->startDragDistance();
+    const bool isClick = (threshold >= qAbs(event->position().toPoint().x() - m_pressPoint.x()) &&
+                          threshold >= qAbs(event->position().toPoint().y() - m_pressPoint.y()));
+
+    if (isClick)
+        emit clicked();
+}
+
+void MaskedMouseArea::mouseUngrabEvent()
+{
+    setPressed(false);
+    emit canceled();
+}
+
+void MaskedMouseArea::hoverEnterEvent(QHoverEvent *event)
+{
+    Q_UNUSED(event);
+    setContainsMouse(true);
+}
+
+void MaskedMouseArea::hoverLeaveEvent(QHoverEvent *event)
+{
+    Q_UNUSED(event);
+    setContainsMouse(false);
+}