Compositor API: Add xdg-decoration unstable v1 support

And add an example with server-side window decorations.

Task-number: QTBUG-69934
Change-Id: Ic3984b50cf7574cae5135dea51eb4b1c80bb45a7
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>

1 files changed, 69 insertions, 0 deletions

diff --git a/src/compositor/extensions/qwaylandxdgdecorationv1.h b/src/compositor/extensions/qwaylandxdgdecorationv1.h
new file mode 100644
index 000000000..649f3d162
--- /dev/null
+++ b/src/compositor/extensions/qwaylandxdgdecorationv1.h
@@ -0,0 +1,69 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the QtWaylandCompositor module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWAYLANDXDGDECORATIONV1_H
+#define QWAYLANDXDGDECORATIONV1_H
+
+#include <QtWaylandCompositor/QWaylandCompositorExtension>
+#include <QtWaylandCompositor/QWaylandXdgToplevel>
+
+QT_BEGIN_NAMESPACE
+
+class QWaylandXdgDecorationManagerV1Private;
+
+class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandXdgDecorationManagerV1 : public QWaylandCompositorExtensionTemplate<QWaylandXdgDecorationManagerV1>
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QWaylandXdgDecorationManagerV1)
+    Q_PROPERTY(QWaylandXdgToplevel::DecorationMode preferredMode READ preferredMode WRITE setPreferredMode NOTIFY defaultModeChanged)
+
+public:
+    explicit QWaylandXdgDecorationManagerV1();
+
+    void initialize() override;
+
+    QWaylandXdgToplevel::DecorationMode preferredMode() const;
+    void setPreferredMode(QWaylandXdgToplevel::DecorationMode preferredMode);
+
+    static const struct wl_interface *interface();
+
+Q_SIGNALS:
+    void defaultModeChanged();
+};
+
+QT_END_NAMESPACE
+
+#endif // QWAYLANDXDGDECORATIONV1_H