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Diffstat (limited to 'src/compositor/global/qwaylandobject.h')
-rw-r--r-- | src/compositor/global/qwaylandobject.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/compositor/global/qwaylandobject.h b/src/compositor/global/qwaylandobject.h new file mode 100644 index 000000000..6d93297a1 --- /dev/null +++ b/src/compositor/global/qwaylandobject.h @@ -0,0 +1,99 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef WAYLAND_OBJECT_H +#define WAYLAND_OBJECT_H + +#include <wayland-server.h> +#include <string.h> + +#include <QtCompositor/qwaylandexport.h> + +QT_BEGIN_NAMESPACE + +namespace QtWayland { + +template <typename T> +class Object : public T +{ +public: + typedef T Base; + + Object() { memset(this, 0, sizeof(T)); } + + const T *base() const { return this; } + T *base() { return this; } + + template <typename Implementation> + void addClientResource(wl_client *client, + wl_resource *resource, + int id, const struct wl_interface *interface, + Implementation implementation, + void (*destroy)(struct wl_resource *resource)) + { + resource->object.id = id; + resource->object.interface = interface; + resource->object.implementation = (void (**)(void))implementation; + resource->data = this; + resource->destroy = destroy; + + wl_client_add_resource(client, resource); + } +}; + +template <typename T> +T *resolve(wl_resource *from) +{ + Object<typename T::Base> *object = reinterpret_cast<Object<typename T::Base> *>(from->data); + return static_cast<T *>(object); +} + +template <typename T> +T *wayland_cast(typename T::Base *from) +{ + Object<typename T::Base> *object = reinterpret_cast<Object<typename T::Base> *>(from); + return static_cast<T *>(object); +} + +} + +QT_END_NAMESPACE + +#endif //WAYLAND_OBJECT_H |