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/helper.pri

@@ -0,0 +1,2 @@
+HEADERS += \
+    $$PWD/qplatformheaderhelper.h

src/platformheaders/helper/qplatformheaderhelper.h

@@ -31,16 +31,19 @@
 **
 ****************************************************************************/
 
-#ifndef QXCBFUNCTIONHELPER_H
+#ifndef QPLATFORMHEADERHELPER_H
-#define QXCBFUNCTIONHELPER_H
+#define QPLATFORMHEADERHELPER_H
 
 #include <QtCore/QByteArray>
 #include <QtGui/QGuiApplication>
 
+#if 0
+#pragma qt_class(QPlatformHeaderHelper)
+#endif
+
 QT_BEGIN_NAMESPACE
 
-namespace QXcbFunctionsHelper
+namespace QPlatformHeaderHelper {
-{
 
 template<typename ReturnT, typename FunctionT>
 ReturnT callPlatformFunction(const QByteArray &functionName)
@@ -81,4 +84,4 @@ ReturnT callPlatformFunction(const QByteArray &functionName, Arg1 a1, Arg2 a2, A
 
 QT_END_NAMESPACE
 
-#endif  /*QXCBFUNCTIONHELPER_H*/
+#endif  /*QPLATFORMHEADERHELPER_H*/

src/platformheaders/platformheaders.pro

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

src/platformheaders/xcbfunctions/qxcbintegrationfunctions.h

@@ -34,7 +34,7 @@
 #ifndef QXCBINTEGRATIONFUNCTIONS_H
 #define QXCBINTEGRATIONFUNCTIONS_H
 
-#include "qxcbfunctionshelper.h"
+#include <QtPlatformHeaders/QPlatformHeaderHelper>
 
 QT_BEGIN_NAMESPACE
 
@@ -45,7 +45,7 @@ public:
     static const QByteArray xEmbedSystemTrayVisualHasAlphaChannelIdentifier() { return QByteArrayLiteral("XcbXEmbedSystemTrayVisualHasAlphaChannel"); }
     static bool xEmbedSystemTrayVisualHasAlphaChannel()
     {
-        return QXcbFunctionsHelper::callPlatformFunction<bool, XEmbedSystemTrayVisualHasAlphaChannel>(xEmbedSystemTrayVisualHasAlphaChannelIdentifier());
+        return QPlatformHeaderHelper::callPlatformFunction<bool, XEmbedSystemTrayVisualHasAlphaChannel>(xEmbedSystemTrayVisualHasAlphaChannelIdentifier());
     }
 };
 

src/platformheaders/xcbfunctions/qxcbwindowfunctions.h

@@ -34,7 +34,7 @@
 #ifndef QXCBWINDOWFUNCTIONS_H
 #define QXCBWINDOWFUNCTIONS_H
 
-#include "qxcbfunctionshelper.h"
+#include <QtPlatformHeaders/QPlatformHeaderHelper>
 
 QT_BEGIN_NAMESPACE
 
@@ -66,35 +66,35 @@ public:
     static const QByteArray setWmWindowTypeIdentifier() { return QByteArrayLiteral("XcbSetWmWindowType"); }
     static void setWmWindowType(QWindow *window, WmWindowType type)
     {
-        return QXcbFunctionsHelper::callPlatformFunction<void, SetWmWindowType, QWindow *, WmWindowType>(setWmWindowTypeIdentifier(), window, type);
+        return QPlatformHeaderHelper::callPlatformFunction<void, SetWmWindowType, QWindow *, WmWindowType>(setWmWindowTypeIdentifier(), window, type);
     }
 
     typedef void (*SetWmWindowIconText)(QWindow *window, const QString &text);
     static const QByteArray setWmWindowIconTextIdentifier() { return QByteArrayLiteral("XcbSetWmWindowIconText"); }
     static void setWmWindowIconText(QWindow *window, const QString &text)
     {
-        return QXcbFunctionsHelper::callPlatformFunction<void, SetWmWindowIconText, QWindow *, const QString &>(setWmWindowIconTextIdentifier(), window, text);
+        return QPlatformHeaderHelper::callPlatformFunction<void, SetWmWindowIconText, QWindow *, const QString &>(setWmWindowIconTextIdentifier(), window, text);
     }
 
     typedef void (*SetParentRelativeBackPixmap)(const QWindow *window);
     static const QByteArray setParentRelativeBackPixmapIdentifier() { return QByteArrayLiteral("XcbSetParentRelativeBackPixmap"); }
     static void setParentRelativeBackPixmap(const QWindow *window)
     {
-        return QXcbFunctionsHelper::callPlatformFunction<void, SetParentRelativeBackPixmap, const QWindow *>(setParentRelativeBackPixmapIdentifier(), window);
+        return QPlatformHeaderHelper::callPlatformFunction<void, SetParentRelativeBackPixmap, const QWindow *>(setParentRelativeBackPixmapIdentifier(), window);
     }
 
     typedef bool (*RequestSystemTrayWindowDock)(const QWindow *window);
     static const QByteArray requestSystemTrayWindowDockIdentifier() { return QByteArrayLiteral("XcbRequestSystemTrayWindowDockIdentifier"); }
     static bool requestSystemTrayWindowDock(const QWindow *window)
     {
-        return QXcbFunctionsHelper::callPlatformFunction<bool, RequestSystemTrayWindowDock, const QWindow *>(requestSystemTrayWindowDockIdentifier(), window);
+        return QPlatformHeaderHelper::callPlatformFunction<bool, RequestSystemTrayWindowDock, const QWindow *>(requestSystemTrayWindowDockIdentifier(), window);
     }
 
     typedef QRect (*SystemTrayWindowGlobalGeometry)(const QWindow *window);
     static const QByteArray systemTrayWindowGlobalGeometryIdentifier() { return QByteArrayLiteral("XcbSystemTrayWindowGlobalGeometryIdentifier"); }
     static QRect systemTrayWindowGlobalGeometry(const QWindow *window)
     {
-        return QXcbFunctionsHelper::callPlatformFunction<QRect, SystemTrayWindowGlobalGeometry, const QWindow *>(systemTrayWindowGlobalGeometryIdentifier(), window);
+        return QPlatformHeaderHelper::callPlatformFunction<QRect, SystemTrayWindowGlobalGeometry, const QWindow *>(systemTrayWindowGlobalGeometryIdentifier(), window);
     }
 
     typedef uint (*VisualId)(QWindow *window);

sync.profile

@@ -50,7 +50,7 @@
     }
 );
 
-@qpa_headers = ( qr/^qplatform/, qr/^qwindowsystem/ );
+@qpa_headers = ( qr/^(?!qplatformheaderhelper)qplatform/, qr/^qwindowsystem/ );
 my @angle_headers = ('egl.h', 'eglext.h', 'eglplatform.h', 'gl2.h', 'gl2ext.h', 'gl2platform.h', 'ShaderLang.h', 'khrplatform.h');
 my @internal_zlib_headers = ( "crc32.h", "deflate.h", "gzguts.h", "inffast.h", "inffixed.h", "inflate.h", "inftrees.h", "trees.h", "zutil.h" );
 my @zlib_headers = ( "zconf.h", "zlib.h" );