From b3d09eceb83e9d34906144d98f3de727679df6f0 Mon Sep 17 00:00:00 2001
From: Jorgen Lind <jorgen.lind@theqtcompany.com>
Date: Wed, 3 Jun 2015 14:10:19 +0200
Subject: Move the function helper to its own file

Also make it a class so a forward header is generated by syncqt

Change-Id: Ibab6b925dc6e9dab1b617b9b4027a4144e4a3773
Reviewed-by: Timur Pocheptsov <Timur.Pocheptsov@digia.com>
Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>
---
 src/platformheaders/helper/qplatformheaderhelper.h | 87 ++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 src/platformheaders/helper/qplatformheaderhelper.h

(limited to 'src/platformheaders/helper/qplatformheaderhelper.h')

diff --git a/src/platformheaders/helper/qplatformheaderhelper.h b/src/platformheaders/helper/qplatformheaderhelper.h
new file mode 100644
index 0000000000..52302dbfba
--- /dev/null
+++ b/src/platformheaders/helper/qplatformheaderhelper.h
@@ -0,0 +1,87 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** 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 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPLATFORMHEADERHELPER_H
+#define QPLATFORMHEADERHELPER_H
+
+#include <QtCore/QByteArray>
+#include <QtGui/QGuiApplication>
+
+#if 0
+#pragma qt_class(QPlatformHeaderHelper)
+#endif
+
+QT_BEGIN_NAMESPACE
+
+namespace QPlatformHeaderHelper {
+
+template<typename ReturnT, typename FunctionT>
+ReturnT callPlatformFunction(const QByteArray &functionName)
+{
+    FunctionT func = reinterpret_cast<FunctionT>(QGuiApplication::platformFunction(functionName));
+    return func ? func() : ReturnT();
+}
+
+template<typename ReturnT, typename FunctionT, typename Arg1>
+ReturnT callPlatformFunction(const QByteArray &functionName, Arg1 a1)
+{
+    FunctionT func = reinterpret_cast<FunctionT>(QGuiApplication::platformFunction(functionName));
+    return func ? func(a1) : ReturnT();
+}
+
+template<typename ReturnT, typename FunctionT, typename Arg1, typename Arg2>
+ReturnT callPlatformFunction(const QByteArray &functionName, Arg1 a1, Arg2 a2)
+{
+    FunctionT func = reinterpret_cast<FunctionT>(QGuiApplication::platformFunction(functionName));
+    return func ? func(a1, a2) : ReturnT();
+}
+
+template<typename ReturnT, typename FunctionT, typename Arg1, typename Arg2, typename Arg3>
+ReturnT callPlatformFunction(const QByteArray &functionName, Arg1 a1, Arg2 a2, Arg3 a3)
+{
+    FunctionT func = reinterpret_cast<FunctionT>(QGuiApplication::platformFunction(functionName));
+    return func ? func(a1, a2, a3) : ReturnT();
+}
+
+template<typename ReturnT, typename FunctionT, typename Arg1, typename Arg2, typename Arg3, typename Arg4>
+ReturnT callPlatformFunction(const QByteArray &functionName, Arg1 a1, Arg2 a2, Arg3 a3, Arg4 a4)
+{
+    FunctionT func = reinterpret_cast<FunctionT>(QGuiApplication::platformFunction(functionName));
+    return func ? func(a1, a2, a3, a4) : ReturnT();
+}
+
+}
+
+QT_END_NAMESPACE
+
+#endif  /*QPLATFORMHEADERHELPER_H*/
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