Add Drag&Drop support to compositor

Change-Id: Ic606ac4dfbb1c55ddb81ac8a912132102753455c
Reviewed-by: Jørgen Lind <jorgen.lind@digia.com>

1 files changed, 91 insertions, 0 deletions

diff --git a/src/compositor/compositor_api/qwaylanddrag.cpp b/src/compositor/compositor_api/qwaylanddrag.cpp
new file mode 100644
index 000000000..def763929
--- /dev/null
+++ b/src/compositor/compositor_api/qwaylanddrag.cpp
@@ -0,0 +1,91 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Klarälvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Compositor.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Digia Plc 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 "qwaylanddrag.h"
+
+#include <private/qobject_p.h>
+
+#include "qwlcompositor_p.h"
+#include "qwlinputdevice_p.h"
+#include "qwldatadevice_p.h"
+#include "qwlsurface_p.h"
+
+QT_BEGIN_NAMESPACE
+
+class QWaylandDragPrivate : public QObjectPrivate
+{
+public:
+    QWaylandDragPrivate(QtWayland::InputDevice *id)
+        : inputDevice(id)
+    {
+    }
+
+    QtWayland::InputDevice *inputDevice;
+};
+
+
+QWaylandDrag::QWaylandDrag(QtWayland::InputDevice *inputDevice)
+    : QObject(* new QWaylandDragPrivate(inputDevice))
+{
+}
+
+QWaylandSurface *QWaylandDrag::icon() const
+{
+    Q_D(const QWaylandDrag);
+
+    const QtWayland::DataDevice *dataDevice = d->inputDevice->dataDevice();
+    if (!dataDevice)
+        return 0;
+
+    return dataDevice->dragIcon() ? dataDevice->dragIcon()->waylandSurface() : 0;
+}
+
+bool QWaylandDrag::visible() const
+{
+    Q_D(const QWaylandDrag);
+
+    const QtWayland::DataDevice *dataDevice = d->inputDevice->dataDevice();
+    if (!dataDevice)
+        return false;
+
+    return dataDevice->dragIcon() != 0;
+}
+
+QT_END_NAMESPACE