Move waylandfunctions from qtwayland to qtbase

The only place such headers can live is qtbase. Exporting headers
under QtPlatformHeaders from other modules would conflict.

Change-Id: I13d78fe54b50c5eaccc29bb166efdaafba70e6e2
Reviewed-by: Giulio Camuffo <giuliocamuffo@gmail.com>

src/platformheaders/platformheaders.pro

@@ -9,6 +9,7 @@ include(eglfsfunctions/eglfsfunctions.pri)
 include(windowsfunctions/windowsfunctions.pri)
 include(helper/helper.pri)
 include(cocoafunctions/cocoafunctions.pri)
+include(waylandfunctions/waylandfunctions.pri)
 
 QMAKE_DOCS = $$PWD/doc/qtplatformheaders.qdocconf
 

src/platformheaders/waylandfunctions/qwaylandwindowfunctions.h

@@ -0,0 +1,86 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 LG Electronics Ltd, author: mikko.levonmaa@lge.com
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWAYLANDWINDOWFUNCTIONS_H
+#define QWAYLANDWINDOWFUNCTIONS_H
+
+#include <QtCore/QByteArray>
+#include <QtGui/QGuiApplication>
+
+QT_BEGIN_NAMESPACE
+
+class QWindow;
+
+class QWaylandWindowFunctions {
+public:
+
+    typedef void (*SetWindowSync)(QWindow *window);
+    typedef void (*SetWindowDeSync)(QWindow *window);
+    typedef bool (*IsWindowSync)(QWindow *window);
+    static const QByteArray setSyncIdentifier() { return QByteArrayLiteral("WaylandSubSurfaceSetSync"); }
+    static const QByteArray setDeSyncIdentifier() { return QByteArrayLiteral("WaylandSubSurfaceSetDeSync"); }
+    static const QByteArray isSyncIdentifier() { return QByteArrayLiteral("WaylandSubSurfaceIsSync"); }
+
+    static void setSync(QWindow *window)
+    {
+        static SetWindowSync func = reinterpret_cast<SetWindowSync>(QGuiApplication::platformFunction(setSyncIdentifier()));
+        Q_ASSERT(func);
+        func(window);
+    }
+
+    static void setDeSync(QWindow *window)
+    {
+        static SetWindowDeSync func = reinterpret_cast<SetWindowDeSync>(QGuiApplication::platformFunction(setDeSyncIdentifier()));
+        Q_ASSERT(func);
+        func(window);
+    }
+
+    static bool isSync(QWindow *window)
+    {
+        static IsWindowSync func = reinterpret_cast<IsWindowSync>(QGuiApplication::platformFunction(isSyncIdentifier()));
+        Q_ASSERT(func);
+        return func(window);
+    }
+
+};
+
+QT_END_NAMESPACE
+
+#endif // QWAYLANDWINDOWFUNCTIONS_H
+

src/platformheaders/waylandfunctions/waylandfunctions.pri

@@ -0,0 +1 @@
+HEADERS += $$PWD/qwaylandwindowfunctions.h