New custom extension example

The example implements a simple Wayland extension that doesn't do
anything useful. It contains a custom compositor and a wayland
platform plugin.

Change-Id: I88df4b20f328a32fca33b8d013d253611539526f
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@theqtcompany.com>

1 files changed, 68 insertions, 0 deletions

diff --git a/examples/wayland/custom-extension/compositor/customextension.h b/examples/wayland/custom-extension/compositor/customextension.h
new file mode 100644
index 000000000..02a7c3630
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+++ b/examples/wayland/custom-extension/compositor/customextension.h
@@ -0,0 +1,68 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** 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 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef CUSTOMEXTENSION_H
+#define CUSTOMEXTENSION_H
+
+#include "wayland-util.h"
+
+#include <QtWaylandCompositor/QWaylandExtensionTemplate>
+#include <QtWaylandCompositor/QWaylandCompositor>
+#include "qwayland-server-custom.h"
+
+namespace QtWayland {
+
+class CustomExtension  : public QWaylandExtensionTemplate<CustomExtension>, public QtWaylandServer::qt_example_extension
+{
+    Q_OBJECT
+public:
+    CustomExtension();
+    Q_INVOKABLE void initialize(QWaylandCompositor *compositor);
+    Q_INVOKABLE void sendEvent(QWaylandSurface *surface, uint time, const QString &text, uint value);
+
+signals:
+    void requestReceived(const QString &text, uint value);
+protected:
+    virtual void example_extension_qtrequest(Resource *resource, const QString &text, int32_t value) Q_DECL_OVERRIDE;
+};
+
+}
+
+#endif // CUSTOMEXTENSION_H