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diff --git a/examples/wayland/qwindow-compositor/window.cpp b/examples/wayland/qwindow-compositor/window.cpp
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+++ b/examples/wayland/qwindow-compositor/window.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Wayland module
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 The Qt Company Ltd 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 "window.h"
+
+#include <QMouseEvent>
+#include <QOpenGLWindow>
+#include <QOpenGLTexture>
+#include <QOpenGLFunctions>
+#include <QMatrix4x4>
+
+#include "compositor.h"
+#include <QtWaylandCompositor/qwaylandinput.h>
+
+Window::Window()
+    : m_backgroundTexture(0)
+    , m_compositor(0)
+    , m_grabState(NoGrab)
+    , m_dragIconView(0)
+{
+}
+
+void Window::setCompositor(Compositor *comp) {
+    m_compositor = comp;
+    connect(m_compositor, &Compositor::startMove, this, &Window::startMove);
+    connect(m_compositor, &Compositor::startResize, this, &Window::startResize);
+    connect(m_compositor, &Compositor::dragStarted, this, &Window::startDrag);
+}
+
+void Window::initializeGL()
+{
+    QImage backgroundImage = QImage(QLatin1String(":/background.jpg"));
+    m_backgroundTexture = new QOpenGLTexture(backgroundImage, QOpenGLTexture::DontGenerateMipMaps);
+    m_backgroundTexture->setMinificationFilter(QOpenGLTexture::Nearest);
+    m_backgroundImageSize = backgroundImage.size();
+    m_textureBlitter.create();
+}
+
+void Window::drawBackground()
+{
+    for (int y = 0; y < height(); y += m_backgroundImageSize.height()) {
+        for (int x = 0; x < width(); x += m_backgroundImageSize.width()) {
+            QMatrix4x4 targetTransform = QOpenGLTextureBlitter::targetTransform(QRect(QPoint(x,y), m_backgroundImageSize), QRect(QPoint(0,0), size()));
+            m_textureBlitter.blit(m_backgroundTexture->textureId(),
+                              targetTransform,
+                              QOpenGLTextureBlitter::OriginTopLeft);
+        }
+    }
+}
+
+QPointF Window::getAnchorPosition(const QPointF &position, int resizeEdge, const QSize &windowSize)
+{
+    float y = position.y();
+    if (resizeEdge & QWaylandXdgSurface::ResizeEdge::TopEdge)
+        y += windowSize.height();
+
+    float x = position.x();
+    if (resizeEdge & QWaylandXdgSurface::ResizeEdge::LeftEdge)
+        x += windowSize.width();
+
+    return QPointF(x, y);
+}
+
+QPointF Window::getAnchoredPosition(const QPointF &anchorPosition, int resizeEdge, const QSize &windowSize)
+{
+    return anchorPosition - getAnchorPosition(QPointF(), resizeEdge, windowSize);
+}
+
+void Window::paintGL()
+{
+    m_compositor->startRender();
+    QOpenGLFunctions *functions = context()->functions();
+    functions->glClearColor(1.f, .6f, .0f, 0.5f);
+    functions->glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    m_textureBlitter.bind();
+    drawBackground();
+
+    functions->glEnable(GL_BLEND);
+    functions->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+    GLenum currentTarget = GL_TEXTURE_2D;
+    Q_FOREACH (View *view, m_compositor->views()) {
+        if (view->isCursor())
+            continue;
+        GLenum target;
+        GLuint textureId = view->getTexture(&target);
+        if (!textureId || !target)
+            continue;
+        if (target != currentTarget) {
+            currentTarget = target;
+            m_textureBlitter.bind(currentTarget);
+        }
+        QWaylandSurface *surface = view->surface();
+        if (surface && surface->isMapped()) {
+            QSize s = surface->size();
+            if (!s.isEmpty()) {
+                if (m_mouseView == view && m_grabState == ResizeGrab && m_resizeAnchored)
+                    view->setPosition(getAnchoredPosition(m_resizeAnchorPosition, m_resizeEdge, s));
+                QPointF pos = view->position() + view->parentPosition();
+                QRectF surfaceGeometry(pos, s);
+                QOpenGLTextureBlitter::Origin surfaceOrigin =
+                    view->currentBuffer().origin() == QWaylandSurface::OriginTopLeft
+                    ? QOpenGLTextureBlitter::OriginTopLeft
+                    : QOpenGLTextureBlitter::OriginBottomLeft;
+                QMatrix4x4 targetTransform = QOpenGLTextureBlitter::targetTransform(surfaceGeometry, QRect(QPoint(), size()));
+                m_textureBlitter.blit(textureId, targetTransform, surfaceOrigin);
+            }
+        }
+    }
+    functions->glDisable(GL_BLEND);
+
+    m_textureBlitter.release();
+    m_compositor->endRender();
+}
+
+View *Window::viewAt(const QPointF &point)
+{
+    View *ret = 0;
+    Q_FOREACH (View *view, m_compositor->views()) {
+        if (view == m_dragIconView)
+            continue;
+        QPointF topLeft = view->position();
+        QWaylandSurface *surface = view->surface();
+        QRectF geo(topLeft, surface->size());
+        if (geo.contains(point))
+            ret = view;
+    }
+    return ret;
+}
+
+void Window::startMove()
+{
+    m_grabState = MoveGrab;
+}
+
+void Window::startResize(int edge, bool anchored)
+{
+    m_initialSize = m_mouseView->windowSize();
+    m_grabState = ResizeGrab;
+    m_resizeEdge = edge;
+    m_resizeAnchored = anchored;
+    m_resizeAnchorPosition = getAnchorPosition(m_mouseView->position(), edge, m_mouseView->surface()->size());
+}
+
+void Window::startDrag(View *dragIcon)
+{
+    m_grabState = DragGrab;
+    m_dragIconView = dragIcon;
+    m_compositor->raise(dragIcon);
+}
+
+void Window::mousePressEvent(QMouseEvent *e)
+{
+    if (mouseGrab())
+        return;
+    if (m_mouseView.isNull()) {
+        m_mouseView = viewAt(e->localPos());
+        if (!m_mouseView) {
+            m_compositor->closePopups();
+            return;
+        }
+        if (e->modifiers() == Qt::AltModifier || e->modifiers() == Qt::MetaModifier)
+            m_grabState = MoveGrab; //start move
+        else
+            m_compositor->raise(m_mouseView);
+        m_initialMousePos = e->localPos();
+        m_mouseOffset = e->localPos() - m_mouseView->position();
+
+        QMouseEvent moveEvent(QEvent::MouseMove, e->localPos(), e->globalPos(), Qt::NoButton, Qt::NoButton, e->modifiers());
+        sendMouseEvent(&moveEvent, m_mouseView);
+    }
+    sendMouseEvent(e, m_mouseView);
+}
+
+void Window::mouseReleaseEvent(QMouseEvent *e)
+{
+    if (!mouseGrab())
+        sendMouseEvent(e, m_mouseView);
+    if (e->buttons() == Qt::NoButton) {
+        if (m_grabState == DragGrab) {
+            View *view = viewAt(e->localPos());
+            m_compositor->handleDrag(view, e);
+        }
+        m_mouseView = 0;
+        m_grabState = NoGrab;
+    }
+}
+
+void Window::mouseMoveEvent(QMouseEvent *e)
+{
+    switch (m_grabState) {
+    case NoGrab: {
+        View *view = m_mouseView ? m_mouseView.data() : viewAt(e->localPos());
+        sendMouseEvent(e, view);
+        if (!view)
+            setCursor(Qt::ArrowCursor);
+    }
+        break;
+    case MoveGrab: {
+        m_mouseView->setPosition(e->localPos() - m_mouseOffset);
+        update();
+    }
+        break;
+    case ResizeGrab: {
+        QPoint delta = (e->localPos() - m_initialMousePos).toPoint();
+        m_compositor->handleResize(m_mouseView, m_initialSize, delta, m_resizeEdge);
+    }
+        break;
+    case DragGrab: {
+        View *view = viewAt(e->localPos());
+        m_compositor->handleDrag(view, e);
+        if (m_dragIconView) {
+            m_dragIconView->setPosition(e->localPos() + m_dragIconView->offset());
+            update();
+        }
+    }
+        break;
+    }
+}
+
+void Window::sendMouseEvent(QMouseEvent *e, View *target)
+{
+    if (!target)
+        return;
+
+    QPointF mappedPos = e->localPos() - target->position();
+    QMouseEvent viewEvent(e->type(), mappedPos, e->localPos(), e->button(), e->buttons(), e->modifiers());
+    m_compositor->handleMouseEvent(target, &viewEvent);
+}
+
+void Window::keyPressEvent(QKeyEvent *e)
+{
+    m_compositor->defaultInputDevice()->sendKeyPressEvent(e->nativeScanCode());
+}
+
+void Window::keyReleaseEvent(QKeyEvent *e)
+{
+    m_compositor->defaultInputDevice()->sendKeyReleaseEvent(e->nativeScanCode());
+}