diff --git a/examples/automotive/SkinFactory.cpp b/examples/automotive/SkinFactory.cpp
index a53e69e6..a44bcf62 100644
--- a/examples/automotive/SkinFactory.cpp
+++ b/examples/automotive/SkinFactory.cpp
@@ -20,6 +20,7 @@
 #include <QskSkinTransition.h>
 #include <QskSkinHintTableEditor.h>
 #include <QskSkin.h>
+#include <QskPlatform.h>
 
 #include <QEasingCurve>
 
diff --git a/skins/material/QskMaterialSkin.cpp b/skins/material/QskMaterialSkin.cpp
index c33c2596..412ff975 100644
--- a/skins/material/QskMaterialSkin.cpp
+++ b/skins/material/QskMaterialSkin.cpp
@@ -34,11 +34,12 @@
 #include <QskBoxBorderColors.h>
 #include <QskBoxBorderMetrics.h>
 #include <QskBoxShapeMetrics.h>
-#include <QskFunctions.h>
 #include <QskMargins.h>
-#include <QskNamespace.h>
 #include <QskRgbValue.h>
 
+#include <QskNamespace.h>
+#include <QskPlatform.h>
+
 #if 1
 // should be defined in the public header, so that
 // application code can avoid conflicts
diff --git a/skins/squiek/QskSquiekSkin.cpp b/skins/squiek/QskSquiekSkin.cpp
index 08421e47..3ea2406f 100644
--- a/skins/squiek/QskSquiekSkin.cpp
+++ b/skins/squiek/QskSquiekSkin.cpp
@@ -37,7 +37,7 @@
 #include <QskBoxBorderColors.h>
 #include <QskBoxBorderMetrics.h>
 #include <QskBoxShapeMetrics.h>
-#include <QskFunctions.h>
+#include <QskPlatform.h>
 #include <QskGradient.h>
 #include <QskMargins.h>
 #include <QskNamespace.h>
diff --git a/src/common/QskFunctions.cpp b/src/common/QskFunctions.cpp
index ef54f77c..a0c1f2ca 100644
--- a/src/common/QskFunctions.cpp
+++ b/src/common/QskFunctions.cpp
@@ -1,28 +1,8 @@
 #include "QskFunctions.h"
 
-#include <qguiapplication.h>
-#include <qmath.h>
-#include <qscreen.h>
 #include <qfont.h>
 #include <qfontmetrics.h>
-
-QSK_QT_PRIVATE_BEGIN
-#include <private/qguiapplication_p.h>
-
-#if QT_VERSION < QT_VERSION_CHECK( 5, 8, 0 )
-    #ifndef foreach
-        // qhighdpiscaling_p.h needs it
-        #define foreach Q_FOREACH
-    #endif
-#endif
-
-#include <private/qhighdpiscaling_p.h>
-QSK_QT_PRIVATE_END
-
-#include <qpa/qplatformintegration.h>
-#include <qpa/qplatformscreen.h>
-
-#include <cmath>
+#include <qmath.h>
 
 template< class Rect, class Value >
 static inline Rect qskAlignedRect( const Rect& outerRect,
@@ -142,23 +122,6 @@ QRectF qskValidOrEmptyInnerRect( const QRectF& rect, const QMarginsF& margins )
     return QRectF( x, y, w, h );
 }
 
-qreal qskDpiScaled( qreal value )
-{
-    static qreal factor = 0.0;
-
-    if ( factor <= 0.0 )
-    {
-        if ( const QScreen* screen = QGuiApplication::primaryScreen() )
-            factor = screen->logicalDotsPerInchX();
-        else
-            factor = 100.0;
-
-        factor /= 96.0;
-    }
-
-    return value * factor;
-}
-
 qreal qskHorizontalAdvance( const QFont& font, const QString& text )
 {
     return qskHorizontalAdvance( QFontMetricsF( font ), text );
@@ -173,37 +136,6 @@ qreal qskHorizontalAdvance( const QFontMetricsF& fontMetrics, const QString& tex
 #endif
 }
 
-qreal qskGlobalScaleFactor()
-{
-    // The value of QT_SCALE_FACTOR
-    const QScreen* noScreen = nullptr;
-    return QHighDpiScaling::factor( noScreen );
-}
-
-const QPlatformIntegration* qskPlatformIntegration()
-{
-    return QGuiApplicationPrivate::platformIntegration();
-}
-
-bool qskMaybeDesktopPlatform()
-{
-#if QT_CONFIG(cursor)
-    // this is what QC2 is doing for menus ?
-    if ( const auto platform = QGuiApplicationPrivate::platformIntegration() )
-        return platform->hasCapability( QPlatformIntegration::MultipleWindows );
-#endif
-
-    return false;
-}
-
-QRect qskPlatformScreenGeometry( const QScreen* screen )
-{
-    if ( screen == nullptr )
-        return QRect();
-
-    return screen->handle()->geometry();
-}
-
 qreal qskFuzzyFloor( qreal value, qreal stepSize )
 {
     const double eps = 1.0e-6 * stepSize;
diff --git a/src/common/QskFunctions.h b/src/common/QskFunctions.h
index 2d0d5dbe..2855a2be 100644
--- a/src/common/QskFunctions.h
+++ b/src/common/QskFunctions.h
@@ -11,18 +11,9 @@
 #include <qmargins.h>
 #include <qrect.h>
 
-class QScreen;
 class QFont;
 class QFontMetricsF;
 class QString;
-class QPlatformIntegration;
-
-QSK_EXPORT qreal qskDpiScaled( qreal value );
-QSK_EXPORT qreal qskGlobalScaleFactor();
-
-QSK_EXPORT bool qskMaybeDesktopPlatform();
-QSK_EXPORT const QPlatformIntegration* qskPlatformIntegration();
-QSK_EXPORT QRect qskPlatformScreenGeometry( const QScreen* );
 
 QSK_EXPORT QRect qskAlignedRect( const QRect& outerRect,
     int width, int height, Qt::Alignment alignment );
diff --git a/src/common/QskPlatform.cpp b/src/common/QskPlatform.cpp
new file mode 100644
index 00000000..1b4b7620
--- /dev/null
+++ b/src/common/QskPlatform.cpp
@@ -0,0 +1,70 @@
+#include "QskPlatform.h"
+
+#include <qguiapplication.h>
+#include <qscreen.h>
+
+QSK_QT_PRIVATE_BEGIN
+#include <private/qguiapplication_p.h>
+
+#if QT_VERSION < QT_VERSION_CHECK( 5, 8, 0 )
+    #ifndef foreach
+        // qhighdpiscaling_p.h needs it
+        #define foreach Q_FOREACH
+    #endif
+#endif
+
+#include <private/qhighdpiscaling_p.h>
+QSK_QT_PRIVATE_END
+
+#include <qpa/qplatformintegration.h>
+#include <qpa/qplatformscreen.h>
+
+qreal qskDpiScaled( qreal value )
+{
+    static qreal factor = 0.0;
+
+    if ( factor <= 0.0 )
+    {
+        if ( const auto screen = QGuiApplication::primaryScreen() )
+            factor = screen->logicalDotsPerInchX();
+        else
+            factor = 100.0;
+
+        factor /= 96.0;
+    }
+
+    return value * factor;
+}
+
+qreal qskGlobalScaleFactor()
+{
+    // The value of QT_SCALE_FACTOR
+    const QScreen* noScreen = nullptr;
+    return QHighDpiScaling::factor( noScreen );
+}
+
+const QPlatformIntegration* qskPlatformIntegration()
+{
+    return QGuiApplicationPrivate::platformIntegration();
+}
+
+bool qskMaybeDesktopPlatform()
+{
+#if QT_CONFIG(cursor)
+    // this is what QC2 is doing for menus ?
+    if ( const auto platform = QGuiApplicationPrivate::platformIntegration() )
+        return platform->hasCapability( QPlatformIntegration::MultipleWindows );
+#endif
+
+    return false;
+}
+
+QRect qskPlatformScreenGeometry( const QScreen* screen )
+{
+    if ( screen == nullptr )
+        return QRect();
+
+    return screen->handle()->geometry();
+}
+
+
diff --git a/src/common/QskPlatform.h b/src/common/QskPlatform.h
new file mode 100644
index 00000000..9184df0c
--- /dev/null
+++ b/src/common/QskPlatform.h
@@ -0,0 +1,22 @@
+/******************************************************************************
+ * QSkinny - Copyright (C) 2016 Uwe Rathmann
+ * This file may be used under the terms of the QSkinny License, Version 1.0
+ *****************************************************************************/
+
+#ifndef QSK_PLATFORM_H
+#define QSK_PLATFORM_H
+
+#include "QskGlobal.h"
+
+class QScreen;
+class QPlatformIntegration;
+class QRect;
+
+QSK_EXPORT qreal qskDpiScaled( qreal value );
+QSK_EXPORT qreal qskGlobalScaleFactor();
+
+QSK_EXPORT bool qskMaybeDesktopPlatform();
+QSK_EXPORT const QPlatformIntegration* qskPlatformIntegration();
+QSK_EXPORT QRect qskPlatformScreenGeometry( const QScreen* );
+
+#endif
diff --git a/src/controls/QskPopup.cpp b/src/controls/QskPopup.cpp
index fb952bf4..dd203e0d 100644
--- a/src/controls/QskPopup.cpp
+++ b/src/controls/QskPopup.cpp
@@ -9,7 +9,7 @@
 #include "QskQuick.h"
 #include "QskWindow.h"
 #include "QskEvent.h"
-#include "QskFunctions.h"
+#include "QskPlatform.h"
 
 #include <qpa/qplatformintegration.h>
 
diff --git a/src/controls/QskSubWindow.cpp b/src/controls/QskSubWindow.cpp
index a36dc85d..b6acca87 100644
--- a/src/controls/QskSubWindow.cpp
+++ b/src/controls/QskSubWindow.cpp
@@ -5,7 +5,7 @@
 
 #include "QskSubWindow.h"
 #include "QskAspect.h"
-#include "QskFunctions.h"
+#include "QskPlatform.h"
 #include "QskGraphic.h"
 #include "QskGraphicProvider.h"
 #include "QskTextOptions.h"
diff --git a/src/controls/QskSubWindowArea.cpp b/src/controls/QskSubWindowArea.cpp
index d3a5451b..66648eb5 100644
--- a/src/controls/QskSubWindowArea.cpp
+++ b/src/controls/QskSubWindowArea.cpp
@@ -5,7 +5,7 @@
 
 #include "QskSubWindowArea.h"
 #include "QskEvent.h"
-#include "QskFunctions.h"
+#include "QskPlatform.h"
 #include "QskSubWindow.h"
 
 #include <qtimer.h>
diff --git a/src/src.pro b/src/src.pro
index 134e460c..f2db71f7 100644
--- a/src/src.pro
+++ b/src/src.pro
@@ -28,6 +28,7 @@ HEADERS += \
     common/QskMetaInvokable.h \
     common/QskNamespace.h \
     common/QskObjectCounter.h \
+    common/QskPlatform.h \
     common/QskRgbValue.h \
     common/QskRgbPalette.h \
     common/QskScaleEngine.h \
@@ -52,6 +53,7 @@ SOURCES += \
     common/QskMetaFunction.cpp \
     common/QskMetaInvokable.cpp \
     common/QskObjectCounter.cpp \
+    common/QskPlatform.cpp \
     common/QskRgbValue.cpp \
     common/QskRgbPalette.cpp \
     common/QskScaleEngine.cpp \