1 files changed, 143 insertions, 0 deletions
diff --git a/src/compositor/compositor_api/qwaylandmousetracker.cpp b/src/compositor/compositor_api/qwaylandmousetracker.cpp
new file mode 100644
index 000000000..efc539779
--- /dev/null
+++ b/src/compositor/compositor_api/qwaylandmousetracker.cpp
@@ -0,0 +1,143 @@
+// Copyright (C) 2017 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#include "qwaylandmousetracker_p.h"
+
+#include <QtQuick/private/qquickitem_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QWaylandMouseTrackerPrivate : public QQuickItemPrivate
+{
+    Q_DECLARE_PUBLIC(QWaylandMouseTracker)
+public:
+    QWaylandMouseTrackerPrivate()
+    {
+        QImage cursorImage(64,64,QImage::Format_ARGB32);
+        cursorImage.fill(Qt::transparent);
+        cursorPixmap = QPixmap::fromImage(cursorImage);
+    }
+    void handleMousePos(const QPointF &mousePos)
+    {
+        Q_Q(QWaylandMouseTracker);
+        bool xChanged = mousePos.x() != this->mousePos.x();
+        bool yChanged = mousePos.y() != this->mousePos.y();
+        if (xChanged || yChanged) {
+            this->mousePos = mousePos;
+            if (xChanged)
+                emit q->mouseXChanged();
+            if (yChanged)
+                emit q->mouseYChanged();
+        }
+    }
+
+    void setHovered(bool hovered)
+    {
+        Q_Q(QWaylandMouseTracker);
+        if (this->hovered == hovered)
+            return;
+        this->hovered = hovered;
+        emit q->hoveredChanged();
+    }
+
+    QPointF mousePos;
+    bool windowSystemCursorEnabled = false;
+    QPixmap cursorPixmap;
+    bool hovered = false;
+};
+
+QWaylandMouseTracker::QWaylandMouseTracker(QQuickItem *parent)
+        : QQuickItem(*(new QWaylandMouseTrackerPrivate), parent)
+{
+    Q_D(QWaylandMouseTracker);
+    setFiltersChildMouseEvents(true);
+    setAcceptHoverEvents(true);
+    setAcceptedMouseButtons(Qt::AllButtons);
+#if QT_CONFIG(cursor)
+    setCursor(QCursor(d->cursorPixmap));
+#endif
+}
+
+qreal QWaylandMouseTracker::mouseX() const
+{
+    Q_D(const QWaylandMouseTracker);
+    return d->mousePos.x();
+}
+qreal QWaylandMouseTracker::mouseY() const
+{
+    Q_D(const QWaylandMouseTracker);
+    return d->mousePos.y();
+}
+
+#if QT_CONFIG(cursor)
+void QWaylandMouseTracker::setWindowSystemCursorEnabled(bool enable)
+{
+    Q_D(QWaylandMouseTracker);
+    if (d->windowSystemCursorEnabled != enable) {
+        d->windowSystemCursorEnabled = enable;
+        if (enable) {
+            unsetCursor();
+        } else {
+            setCursor(QCursor(d->cursorPixmap));
+        }
+        emit windowSystemCursorEnabledChanged();
+    }
+}
+
+bool QWaylandMouseTracker::windowSystemCursorEnabled() const
+{
+    Q_D(const QWaylandMouseTracker);
+    return d->windowSystemCursorEnabled;
+}
+#endif
+
+bool QWaylandMouseTracker::hovered() const
+{
+    Q_D(const QWaylandMouseTracker);
+    return d->hovered;
+}
+
+bool QWaylandMouseTracker::childMouseEventFilter(QQuickItem *item, QEvent *event)
+{
+    Q_D(QWaylandMouseTracker);
+    if (event->type() == QEvent::MouseMove) {
+        QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
+        d->handleMousePos(mapFromItem(item, mouseEvent->position()));
+    } else if (event->type() == QEvent::HoverMove) {
+        QHoverEvent *hoverEvent = static_cast<QHoverEvent *>(event);
+        d->handleMousePos(mapFromItem(item, hoverEvent->position()));
+    }
+    return false;
+}
+
+void QWaylandMouseTracker::mouseMoveEvent(QMouseEvent *event)
+{
+    Q_D(QWaylandMouseTracker);
+    QQuickItem::mouseMoveEvent(event);
+    d->handleMousePos(event->position());
+}
+
+void QWaylandMouseTracker::hoverMoveEvent(QHoverEvent *event)
+{
+    Q_D(QWaylandMouseTracker);
+    QQuickItem::hoverMoveEvent(event);
+    d->handleMousePos(event->position());
+}
+
+void QWaylandMouseTracker::hoverEnterEvent(QHoverEvent *event)
+{
+    Q_D(QWaylandMouseTracker);
+    Q_UNUSED(event);
+    d->setHovered(true);
+}
+
+void QWaylandMouseTracker::hoverLeaveEvent(QHoverEvent *event)
+{
+    Q_D(QWaylandMouseTracker);
+    Q_UNUSED(event);
+    d->setHovered(false);
+}
+
+QT_END_NAMESPACE
+
+#include "moc_qwaylandmousetracker_p.cpp"