diff --git a/src/widgets/dialogs/qfiledialog.cpp b/src/widgets/dialogs/qfiledialog.cpp
index 9a2e32b6315..24a610a69ff 100644
--- a/src/widgets/dialogs/qfiledialog.cpp
+++ b/src/widgets/dialogs/qfiledialog.cpp
@@ -308,7 +308,7 @@ QT_BEGIN_INCLUDE_NAMESPACE
 #endif
 #include <qshortcut.h>
 #ifdef Q_WS_MAC
-#include <qmacstyle_mac.h>
+#include <qmacstyle_mac_p.h>
 #endif
 QT_END_INCLUDE_NAMESPACE
 
diff --git a/src/widgets/graphicsview/qgraphicswidget_p.cpp b/src/widgets/graphicsview/qgraphicswidget_p.cpp
index e109da209d6..4ec215a7200 100644
--- a/src/widgets/graphicsview/qgraphicswidget_p.cpp
+++ b/src/widgets/graphicsview/qgraphicswidget_p.cpp
@@ -55,7 +55,7 @@
 #include <QtWidgets/QStyleOptionTitleBar>
 #include <QtWidgets/QGraphicsSceneMouseEvent>
 #if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
-# include <QMacStyle>
+# include <private/qmacstyle_mac_p.h>
 #endif
 
 QT_BEGIN_NAMESPACE
diff --git a/src/widgets/styles/qmacstyle_mac.h b/src/widgets/styles/qmacstyle_mac.h
deleted file mode 100644
index 1de1dbbdd83..00000000000
--- a/src/widgets/styles/qmacstyle_mac.h
+++ /dev/null
@@ -1,141 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of the QtGui module 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 Digia.  For licensing terms and
-** conditions see http://qt.digia.com/licensing.  For further information
-** use the contact form at http://qt.digia.com/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 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Digia gives you certain additional
-** rights.  These rights are described in the Digia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3.0 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 3.0 requirements will be
-** met: http://www.gnu.org/copyleft/gpl.html.
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QMACSTYLE_MAC_H
-#define QMACSTYLE_MAC_H
-
-#include <QtWidgets/qcommonstyle.h>
-
-QT_BEGIN_HEADER
-
-QT_BEGIN_NAMESPACE
-
-
-#if defined(Q_OS_MAC) && !defined(QT_NO_STYLE_MAC)
-
-class QPalette;
-
-#if defined(QT_PLUGIN)
-#define Q_WIDGETS_EXPORT_STYLE_MAC
-#else
-#define Q_WIDGETS_EXPORT_STYLE_MAC Q_WIDGETS_EXPORT
-#endif
-
-class QPushButton;
-class QStyleOptionButton;
-class QMacStylePrivate;
-class Q_WIDGETS_EXPORT_STYLE_MAC QMacStyle : public QCommonStyle
-{
-    Q_OBJECT
-public:
-    QMacStyle();
-    virtual ~QMacStyle();
-
-    void polish(QWidget *w);
-    void unpolish(QWidget *w);
-
-    void polish(QApplication*);
-    void unpolish(QApplication*);
-
-    void polish(QPalette &pal);
-
-    void drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p,
-                       const QWidget *w = 0) const;
-    void drawControl(ControlElement element, const QStyleOption *opt, QPainter *p,
-                     const QWidget *w = 0) const;
-    QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = 0) const;
-    void drawComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p,
-                            const QWidget *w = 0) const;
-    SubControl hitTestComplexControl(ComplexControl cc, const QStyleOptionComplex *opt,
-                               const QPoint &pt, const QWidget *w = 0) const;
-    QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc,
-                         const QWidget *w = 0) const;
-    QSize sizeFromContents(ContentsType ct, const QStyleOption *opt,
-                           const QSize &contentsSize, const QWidget *w = 0) const;
-
-    int pixelMetric(PixelMetric pm, const QStyleOption *opt = 0, const QWidget *widget = 0) const;
-
-    QPalette standardPalette() const;
-
-    virtual int styleHint(StyleHint sh, const QStyleOption *opt = 0, const QWidget *w = 0,
-                          QStyleHintReturn *shret = 0) const;
-
-    enum FocusRectPolicy { FocusEnabled, FocusDisabled, FocusDefault };
-    static void setFocusRectPolicy(QWidget *w, FocusRectPolicy policy);
-    static FocusRectPolicy focusRectPolicy(const QWidget *w);
-
-    enum WidgetSizePolicy { SizeSmall, SizeLarge, SizeMini, SizeDefault
-    };
-
-    static void setWidgetSizePolicy(const QWidget *w, WidgetSizePolicy policy);
-    static WidgetSizePolicy widgetSizePolicy(const QWidget *w, const QStyleOption *opt = 0);
-
-    QPixmap standardPixmap(StandardPixmap sp, const QStyleOption *opt,
-                           const QWidget *widget = 0) const;
-
-    QPixmap generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap,
-                                const QStyleOption *opt) const;
-
-    virtual void drawItemText(QPainter *p, const QRect &r, int flags, const QPalette &pal,
-                              bool enabled, const QString &text, QPalette::ColorRole textRole  = QPalette::NoRole) const;
-
-    bool event(QEvent *e);
-
-    QIcon standardIcon(StandardPixmap standardIcon, const QStyleOption *opt = 0,
-                       const QWidget *widget = 0) const;
-    int layoutSpacing(QSizePolicy::ControlType control1, QSizePolicy::ControlType control2,
-                      Qt::Orientation orientation, const QStyleOption *option = 0,
-                      const QWidget *widget = 0) const;
-
-private:
-    Q_DISABLE_COPY(QMacStyle)
-    Q_DECLARE_PRIVATE(QMacStyle)
-
-    friend bool qt_mac_buttonIsRenderedFlat(const QPushButton *pushButton, const QStyleOptionButton *option);
-};
-
-#endif // Q_WS_MAC
-
-QT_END_NAMESPACE
-
-QT_END_HEADER
-
-#endif // QMACSTYLE_H
diff --git a/src/widgets/styles/qmacstyle_mac.mm b/src/widgets/styles/qmacstyle_mac.mm
index baeda896426..4c34142d41b 100644
--- a/src/widgets/styles/qmacstyle_mac.mm
+++ b/src/widgets/styles/qmacstyle_mac.mm
@@ -46,8 +46,8 @@
 
 #include <Cocoa/Cocoa.h>
 
-#include "qmacstyle_mac.h"
 #include "qmacstyle_mac_p.h"
+#include "qmacstyle_mac_p_p.h"
 #include "qmacstylepixmaps_mac_p.h"
 
 #define QMAC_QAQUASTYLE_SIZE_CONSTRAIN
diff --git a/src/widgets/styles/qmacstyle_mac_p.h b/src/widgets/styles/qmacstyle_mac_p.h
index f01d1e14c5e..d1a29622e7b 100644
--- a/src/widgets/styles/qmacstyle_mac_p.h
+++ b/src/widgets/styles/qmacstyle_mac_p.h
@@ -39,206 +39,97 @@
 **
 ****************************************************************************/
 
-
 #ifndef QMACSTYLE_MAC_P_H
 #define QMACSTYLE_MAC_P_H
 
-#include <Carbon/Carbon.h>
-#undef check
+#include <QtWidgets/qcommonstyle.h>
 
-#include "qmacstyle_mac.h"
-#include "qcommonstyle_p.h"
-#include <private/qapplication_p.h>
-#include <private/qcombobox_p.h>
-#include <private/qpainter_p.h>
-#include <private/qstylehelper_p.h>
-#include <qapplication.h>
-#include <qbitmap.h>
-#include <qcheckbox.h>
-#include <qcombobox.h>
-#include <qdialogbuttonbox.h>
-#include <qdockwidget.h>
-#include <qevent.h>
-#include <qfocusframe.h>
-#include <qformlayout.h>
-#include <qgroupbox.h>
-#include <qhash.h>
-#include <qheaderview.h>
-#include <qlayout.h>
-#include <qlineedit.h>
-#include <qlistview.h>
-#include <qmainwindow.h>
-#include <qmap.h>
-#include <qmenubar.h>
-#include <qpaintdevice.h>
-#include <qpainter.h>
-#include <qpixmapcache.h>
-#include <qpointer.h>
-#include <qprogressbar.h>
-#include <qpushbutton.h>
-#include <qradiobutton.h>
-#include <qrubberband.h>
-#include <qsizegrip.h>
-#include <qspinbox.h>
-#include <qsplitter.h>
-#include <qstyleoption.h>
-#include <qtextedit.h>
-#include <qtextstream.h>
-#include <qtoolbar.h>
-#include <qtoolbutton.h>
-#include <qtreeview.h>
-#include <qtableview.h>
-#include <qwizard.h>
-#include <qdebug.h>
-#include <qlibrary.h>
-#include <qdatetimeedit.h>
-#include <qmath.h>
-#include <QtWidgets/qgraphicsproxywidget.h>
-#include <QtWidgets/qgraphicsview.h>
-
-
-
-//
-//  W A R N I N G
-//  -------------
-//
-// This file is not part of the Qt API.  It exists purely as an
-// implementation detail.  This header file may change from version to
-// version without notice, or even be removed.
-//
-// We mean it.
-//
+QT_BEGIN_HEADER
 
 QT_BEGIN_NAMESPACE
 
-/*
-    AHIG:
-        Apple Human Interface Guidelines
-        http://developer.apple.com/documentation/UserExperience/Conceptual/OSXHIGuidelines/
 
-    Builder:
-        Apple Interface Builder v. 3.1.1
-*/
+#if defined(Q_OS_MAC) && !defined(QT_NO_STYLE_MAC)
 
-// this works as long as we have at most 16 different control types
-#define CT1(c) CT2(c, c)
-#define CT2(c1, c2) ((uint(c1) << 16) | uint(c2))
+class QPalette;
 
-enum QAquaWidgetSize { QAquaSizeLarge = 0, QAquaSizeSmall = 1, QAquaSizeMini = 2,
-                       QAquaSizeUnknown = -1 };
-
-#define SIZE(large, small, mini) \
-    (controlSize == QAquaSizeLarge ? (large) : controlSize == QAquaSizeSmall ? (small) : (mini))
-
-// same as return SIZE(...) but optimized
-#define return_SIZE(large, small, mini) \
-    do { \
-        static const int sizes[] = { (large), (small), (mini) }; \
-        return sizes[controlSize]; \
-    } while (0)
-
-bool qt_mac_buttonIsRenderedFlat(const QPushButton *pushButton, const QStyleOptionButton *option);
-
-class QMacStylePrivate : public QCommonStylePrivate
-{
-    Q_DECLARE_PUBLIC(QMacStyle)
-public:
-    QMacStylePrivate();
-
-    // Ideally these wouldn't exist, but since they already exist we need some accessors.
-    static const int PushButtonLeftOffset;
-    static const int PushButtonTopOffset;
-    static const int PushButtonRightOffset;
-    static const int PushButtonBottomOffset;
-    static const int MiniButtonH;
-    static const int SmallButtonH;
-    static const int BevelButtonW;
-    static const int BevelButtonH;
-    static const int PushButtonContentPadding;
-    static const qreal ScrollBarFadeOutDuration;
-    static const qreal ScrollBarFadeOutDelay;
-
-    enum Animates { AquaPushButton, AquaProgressBar, AquaListViewItemOpen, AquaScrollBar };
-    static ThemeDrawState getDrawState(QStyle::State flags);
-    QAquaWidgetSize aquaSizeConstrain(const QStyleOption *option, const QWidget *widg,
-                             QStyle::ContentsType ct = QStyle::CT_CustomBase,
-                             QSize szHint=QSize(-1, -1), QSize *insz = 0) const;
-    void getSliderInfo(QStyle::ComplexControl cc, const QStyleOptionSlider *slider,
-                          HIThemeTrackDrawInfo *tdi, const QWidget *needToRemoveMe) const;
-    inline int animateSpeed(Animates) const { return 33; }
-
-    // Utility functions
-    void drawColorlessButton(const HIRect &macRect, HIThemeButtonDrawInfo *bdi,
-                             QPainter *p, const QStyleOption *opt) const;
-
-    QSize pushButtonSizeFromContents(const QStyleOptionButton *btn) const;
-
-    HIRect pushButtonContentBounds(const QStyleOptionButton *btn,
-                                   const HIThemeButtonDrawInfo *bdi) const;
-
-    void initComboboxBdi(const QStyleOptionComboBox *combo, HIThemeButtonDrawInfo *bdi,
-                        const QWidget *widget, const ThemeDrawState &tds) const;
-
-    static HIRect comboboxInnerBounds(const HIRect &outerBounds, int buttonKind);
-
-    static QRect comboboxEditBounds(const QRect &outerBounds, const HIThemeButtonDrawInfo &bdi);
-
-    static void drawCombobox(const HIRect &outerBounds, const HIThemeButtonDrawInfo &bdi, QPainter *p);
-    static void drawTableHeader(const HIRect &outerBounds, bool drawTopBorder, bool drawLeftBorder,
-                                     const HIThemeButtonDrawInfo &bdi, QPainter *p);
-    bool contentFitsInPushButton(const QStyleOptionButton *btn, HIThemeButtonDrawInfo *bdi,
-                                 ThemeButtonKind buttonKindToCheck) const;
-    void initHIThemePushButton(const QStyleOptionButton *btn, const QWidget *widget,
-                               const ThemeDrawState tds,
-                               HIThemeButtonDrawInfo *bdi) const;
-    QPixmap generateBackgroundPattern() const;
-
-public:
-    mutable QPointer<QObject> pressedButton;
-    mutable QPointer<QObject> defaultButton;
-    mutable QPointer<QObject> autoDefaultButton;
-
-    struct ButtonState {
-        int frame;
-        enum { ButtonDark, ButtonLight } dir;
-    } buttonState;
-    mutable QPointer<QFocusFrame> focusWidget;
-    CFAbsoluteTime defaultButtonStart;
-    bool mouseDown;
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
-    void* receiver;
-    void *nsscroller;
-#endif
-};
-
-class QFadeOutAnimation : public QNumberStyleAnimation
+class QPushButton;
+class QStyleOptionButton;
+class QMacStylePrivate;
+class QMacStyle : public QCommonStyle
 {
     Q_OBJECT
-
 public:
-    QFadeOutAnimation(QObject *target) : QNumberStyleAnimation(target), _active(false)
-    {
-        setDuration(QMacStylePrivate::ScrollBarFadeOutDelay + QMacStylePrivate::ScrollBarFadeOutDuration);
-        setDelay(QMacStylePrivate::ScrollBarFadeOutDelay);
-        setStartValue(1.0);
-        setEndValue(0.0);
-    }
+    QMacStyle();
+    virtual ~QMacStyle();
 
-    bool wasActive() const { return _active; }
-    void setActive(bool active) { _active = active; }
+    void polish(QWidget *w);
+    void unpolish(QWidget *w);
 
-private slots:
-    void updateCurrentTime(int time)
-    {
-        QNumberStyleAnimation::updateCurrentTime(time);
-        if (qFuzzyIsNull(currentValue()))
-            target()->setProperty("visible", false);
-    }
+    void polish(QApplication*);
+    void unpolish(QApplication*);
+
+    void polish(QPalette &pal);
+
+    void drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p,
+                       const QWidget *w = 0) const;
+    void drawControl(ControlElement element, const QStyleOption *opt, QPainter *p,
+                     const QWidget *w = 0) const;
+    QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = 0) const;
+    void drawComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p,
+                            const QWidget *w = 0) const;
+    SubControl hitTestComplexControl(ComplexControl cc, const QStyleOptionComplex *opt,
+                               const QPoint &pt, const QWidget *w = 0) const;
+    QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc,
+                         const QWidget *w = 0) const;
+    QSize sizeFromContents(ContentsType ct, const QStyleOption *opt,
+                           const QSize &contentsSize, const QWidget *w = 0) const;
+
+    int pixelMetric(PixelMetric pm, const QStyleOption *opt = 0, const QWidget *widget = 0) const;
+
+    QPalette standardPalette() const;
+
+    virtual int styleHint(StyleHint sh, const QStyleOption *opt = 0, const QWidget *w = 0,
+                          QStyleHintReturn *shret = 0) const;
+
+    enum FocusRectPolicy { FocusEnabled, FocusDisabled, FocusDefault };
+    static void setFocusRectPolicy(QWidget *w, FocusRectPolicy policy);
+    static FocusRectPolicy focusRectPolicy(const QWidget *w);
+
+    enum WidgetSizePolicy { SizeSmall, SizeLarge, SizeMini, SizeDefault
+    };
+
+    static void setWidgetSizePolicy(const QWidget *w, WidgetSizePolicy policy);
+    static WidgetSizePolicy widgetSizePolicy(const QWidget *w, const QStyleOption *opt = 0);
+
+    QPixmap standardPixmap(StandardPixmap sp, const QStyleOption *opt,
+                           const QWidget *widget = 0) const;
+
+    QPixmap generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap,
+                                const QStyleOption *opt) const;
+
+    virtual void drawItemText(QPainter *p, const QRect &r, int flags, const QPalette &pal,
+                              bool enabled, const QString &text, QPalette::ColorRole textRole  = QPalette::NoRole) const;
+
+    bool event(QEvent *e);
+
+    QIcon standardIcon(StandardPixmap standardIcon, const QStyleOption *opt = 0,
+                       const QWidget *widget = 0) const;
+    int layoutSpacing(QSizePolicy::ControlType control1, QSizePolicy::ControlType control2,
+                      Qt::Orientation orientation, const QStyleOption *option = 0,
+                      const QWidget *widget = 0) const;
 
 private:
-    bool _active;
+    Q_DISABLE_COPY(QMacStyle)
+    Q_DECLARE_PRIVATE(QMacStyle)
+
+    friend bool qt_mac_buttonIsRenderedFlat(const QPushButton *pushButton, const QStyleOptionButton *option);
 };
 
+#endif // Q_WS_MAC
+
 QT_END_NAMESPACE
 
+QT_END_HEADER
+
 #endif // QMACSTYLE_MAC_P_H
diff --git a/src/widgets/styles/qmacstyle_mac_p_p.h b/src/widgets/styles/qmacstyle_mac_p_p.h
new file mode 100644
index 00000000000..c2e5a024a4b
--- /dev/null
+++ b/src/widgets/styles/qmacstyle_mac_p_p.h
@@ -0,0 +1,244 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtGui module 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#ifndef QMACSTYLE_MAC_P_P_H
+#define QMACSTYLE_MAC_P_P_H
+
+#include <Carbon/Carbon.h>
+#undef check
+
+#include "qmacstyle_mac_p.h"
+#include "qcommonstyle_p.h"
+#include <private/qapplication_p.h>
+#include <private/qcombobox_p.h>
+#include <private/qpainter_p.h>
+#include <private/qstylehelper_p.h>
+#include <qapplication.h>
+#include <qbitmap.h>
+#include <qcheckbox.h>
+#include <qcombobox.h>
+#include <qdialogbuttonbox.h>
+#include <qdockwidget.h>
+#include <qevent.h>
+#include <qfocusframe.h>
+#include <qformlayout.h>
+#include <qgroupbox.h>
+#include <qhash.h>
+#include <qheaderview.h>
+#include <qlayout.h>
+#include <qlineedit.h>
+#include <qlistview.h>
+#include <qmainwindow.h>
+#include <qmap.h>
+#include <qmenubar.h>
+#include <qpaintdevice.h>
+#include <qpainter.h>
+#include <qpixmapcache.h>
+#include <qpointer.h>
+#include <qprogressbar.h>
+#include <qpushbutton.h>
+#include <qradiobutton.h>
+#include <qrubberband.h>
+#include <qsizegrip.h>
+#include <qspinbox.h>
+#include <qsplitter.h>
+#include <qstyleoption.h>
+#include <qtextedit.h>
+#include <qtextstream.h>
+#include <qtoolbar.h>
+#include <qtoolbutton.h>
+#include <qtreeview.h>
+#include <qtableview.h>
+#include <qwizard.h>
+#include <qdebug.h>
+#include <qlibrary.h>
+#include <qdatetimeedit.h>
+#include <qmath.h>
+#include <QtWidgets/qgraphicsproxywidget.h>
+#include <QtWidgets/qgraphicsview.h>
+
+
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+QT_BEGIN_NAMESPACE
+
+/*
+    AHIG:
+        Apple Human Interface Guidelines
+        http://developer.apple.com/documentation/UserExperience/Conceptual/OSXHIGuidelines/
+
+    Builder:
+        Apple Interface Builder v. 3.1.1
+*/
+
+// this works as long as we have at most 16 different control types
+#define CT1(c) CT2(c, c)
+#define CT2(c1, c2) ((uint(c1) << 16) | uint(c2))
+
+enum QAquaWidgetSize { QAquaSizeLarge = 0, QAquaSizeSmall = 1, QAquaSizeMini = 2,
+                       QAquaSizeUnknown = -1 };
+
+#define SIZE(large, small, mini) \
+    (controlSize == QAquaSizeLarge ? (large) : controlSize == QAquaSizeSmall ? (small) : (mini))
+
+// same as return SIZE(...) but optimized
+#define return_SIZE(large, small, mini) \
+    do { \
+        static const int sizes[] = { (large), (small), (mini) }; \
+        return sizes[controlSize]; \
+    } while (0)
+
+bool qt_mac_buttonIsRenderedFlat(const QPushButton *pushButton, const QStyleOptionButton *option);
+
+class QMacStylePrivate : public QCommonStylePrivate
+{
+    Q_DECLARE_PUBLIC(QMacStyle)
+public:
+    QMacStylePrivate();
+
+    // Ideally these wouldn't exist, but since they already exist we need some accessors.
+    static const int PushButtonLeftOffset;
+    static const int PushButtonTopOffset;
+    static const int PushButtonRightOffset;
+    static const int PushButtonBottomOffset;
+    static const int MiniButtonH;
+    static const int SmallButtonH;
+    static const int BevelButtonW;
+    static const int BevelButtonH;
+    static const int PushButtonContentPadding;
+    static const qreal ScrollBarFadeOutDuration;
+    static const qreal ScrollBarFadeOutDelay;
+
+    enum Animates { AquaPushButton, AquaProgressBar, AquaListViewItemOpen, AquaScrollBar };
+    static ThemeDrawState getDrawState(QStyle::State flags);
+    QAquaWidgetSize aquaSizeConstrain(const QStyleOption *option, const QWidget *widg,
+                             QStyle::ContentsType ct = QStyle::CT_CustomBase,
+                             QSize szHint=QSize(-1, -1), QSize *insz = 0) const;
+    void getSliderInfo(QStyle::ComplexControl cc, const QStyleOptionSlider *slider,
+                          HIThemeTrackDrawInfo *tdi, const QWidget *needToRemoveMe) const;
+    inline int animateSpeed(Animates) const { return 33; }
+
+    // Utility functions
+    void drawColorlessButton(const HIRect &macRect, HIThemeButtonDrawInfo *bdi,
+                             QPainter *p, const QStyleOption *opt) const;
+
+    QSize pushButtonSizeFromContents(const QStyleOptionButton *btn) const;
+
+    HIRect pushButtonContentBounds(const QStyleOptionButton *btn,
+                                   const HIThemeButtonDrawInfo *bdi) const;
+
+    void initComboboxBdi(const QStyleOptionComboBox *combo, HIThemeButtonDrawInfo *bdi,
+                        const QWidget *widget, const ThemeDrawState &tds) const;
+
+    static HIRect comboboxInnerBounds(const HIRect &outerBounds, int buttonKind);
+
+    static QRect comboboxEditBounds(const QRect &outerBounds, const HIThemeButtonDrawInfo &bdi);
+
+    static void drawCombobox(const HIRect &outerBounds, const HIThemeButtonDrawInfo &bdi, QPainter *p);
+    static void drawTableHeader(const HIRect &outerBounds, bool drawTopBorder, bool drawLeftBorder,
+                                     const HIThemeButtonDrawInfo &bdi, QPainter *p);
+    bool contentFitsInPushButton(const QStyleOptionButton *btn, HIThemeButtonDrawInfo *bdi,
+                                 ThemeButtonKind buttonKindToCheck) const;
+    void initHIThemePushButton(const QStyleOptionButton *btn, const QWidget *widget,
+                               const ThemeDrawState tds,
+                               HIThemeButtonDrawInfo *bdi) const;
+    QPixmap generateBackgroundPattern() const;
+
+public:
+    mutable QPointer<QObject> pressedButton;
+    mutable QPointer<QObject> defaultButton;
+    mutable QPointer<QObject> autoDefaultButton;
+
+    struct ButtonState {
+        int frame;
+        enum { ButtonDark, ButtonLight } dir;
+    } buttonState;
+    mutable QPointer<QFocusFrame> focusWidget;
+    CFAbsoluteTime defaultButtonStart;
+    bool mouseDown;
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
+    void* receiver;
+    void *nsscroller;
+#endif
+};
+
+class QFadeOutAnimation : public QNumberStyleAnimation
+{
+    Q_OBJECT
+
+public:
+    QFadeOutAnimation(QObject *target) : QNumberStyleAnimation(target), _active(false)
+    {
+        setDuration(QMacStylePrivate::ScrollBarFadeOutDelay + QMacStylePrivate::ScrollBarFadeOutDuration);
+        setDelay(QMacStylePrivate::ScrollBarFadeOutDelay);
+        setStartValue(1.0);
+        setEndValue(0.0);
+    }
+
+    bool wasActive() const { return _active; }
+    void setActive(bool active) { _active = active; }
+
+private slots:
+    void updateCurrentTime(int time)
+    {
+        QNumberStyleAnimation::updateCurrentTime(time);
+        if (qFuzzyIsNull(currentValue()))
+            target()->setProperty("visible", false);
+    }
+
+private:
+    bool _active;
+};
+
+QT_END_NAMESPACE
+
+#endif // QMACSTYLE_MAC_P_P_H
diff --git a/src/widgets/styles/qstylefactory.cpp b/src/widgets/styles/qstylefactory.cpp
index 93e3e6da168..1d61f373841 100644
--- a/src/widgets/styles/qstylefactory.cpp
+++ b/src/widgets/styles/qstylefactory.cpp
@@ -66,7 +66,7 @@
 #endif
 
 #if !defined(QT_NO_STYLE_MAC) && defined(Q_OS_MAC)
-#  include "qmacstyle_mac.h"
+#  include "qmacstyle_mac_p.h"
 #endif
 
 QT_BEGIN_NAMESPACE
diff --git a/src/widgets/styles/qstyleoption.cpp b/src/widgets/styles/qstyleoption.cpp
index 3bc0c053b9d..0ec42e446d0 100644
--- a/src/widgets/styles/qstyleoption.cpp
+++ b/src/widgets/styles/qstyleoption.cpp
@@ -42,7 +42,7 @@
 #include "qstyleoption.h"
 #include "qapplication.h"
 #ifdef Q_OS_MAC
-# include "qmacstyle_mac.h"
+# include "qmacstyle_mac_p.h"
 #endif
 #include <qdebug.h>
 #include <QtCore/qmath.h>
diff --git a/src/widgets/styles/styles.pri b/src/widgets/styles/styles.pri
index d2c0615165d..71a4bf1e76a 100644
--- a/src/widgets/styles/styles.pri
+++ b/src/widgets/styles/styles.pri
@@ -51,9 +51,9 @@ contains(QT_CONFIG, gtkstyle) {
 
 contains( styles, mac ) {
     HEADERS += \
-        styles/qmacstyle_mac.h \
+        styles/qmacstyle_mac_p.h \
         styles/qmacstylepixmaps_mac_p.h \
-        styles/qmacstyle_mac_p.h
+        styles/qmacstyle_mac_p_p.h
         OBJECTIVE_SOURCES += styles/qmacstyle_mac.mm
 
     !contains( styles, windows ) {
diff --git a/src/widgets/widgets/qcombobox.cpp b/src/widgets/widgets/qcombobox.cpp
index f22fc196a26..bf650c513b0 100644
--- a/src/widgets/widgets/qcombobox.cpp
+++ b/src/widgets/widgets/qcombobox.cpp
@@ -67,7 +67,7 @@
 #include <qdebug.h>
 #if defined(Q_WS_MAC) && !defined(QT_NO_EFFECTS) && !defined(QT_NO_STYLE_MAC)
 #include <private/qcore_mac_p.h>
-#include <QMacStyle>
+#include <private/qmacstyle_mac_p.h>
 #include <private/qt_cocoa_helpers_mac_p.h>
 #endif
 #ifndef QT_NO_EFFECTS
diff --git a/src/widgets/widgets/qdockwidget.cpp b/src/widgets/widgets/qdockwidget.cpp
index 12f957412f6..d8d67ca6c87 100644
--- a/src/widgets/widgets/qdockwidget.cpp
+++ b/src/widgets/widgets/qdockwidget.cpp
@@ -63,7 +63,7 @@
 #ifdef Q_WS_MAC
 #include <private/qapplication_p.h>
 #include <private/qt_mac_p.h>
-#include <qmacstyle_mac.h>
+#include <private/qmacstyle_mac_p.h>
 #endif
 
 QT_BEGIN_NAMESPACE
diff --git a/src/widgets/widgets/qmdiarea.cpp b/src/widgets/widgets/qmdiarea.cpp
index 3b4f026130a..66dc49f5f7a 100644
--- a/src/widgets/widgets/qmdiarea.cpp
+++ b/src/widgets/widgets/qmdiarea.cpp
@@ -163,7 +163,7 @@
 #include <QApplication>
 #include <QStyle>
 #if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
-#include <QMacStyle>
+#include <private/qmacstyle_mac_p.h>
 #endif
 #include <QChildEvent>
 #include <QResizeEvent>
diff --git a/src/widgets/widgets/qmdisubwindow.cpp b/src/widgets/widgets/qmdisubwindow.cpp
index a99f2d3d1df..8d11778266f 100644
--- a/src/widgets/widgets/qmdisubwindow.cpp
+++ b/src/widgets/widgets/qmdisubwindow.cpp
@@ -161,7 +161,7 @@
 #include <QScrollBar>
 #include <QDebug>
 #if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
-#include <QMacStyle>
+#include <private/qmacstyle_mac_p.h>
 #endif
 #include <QMdiArea>
 
diff --git a/src/widgets/widgets/qpushbutton.cpp b/src/widgets/widgets/qpushbutton.cpp
index 0aeec551d60..d3f63ad138c 100644
--- a/src/widgets/widgets/qpushbutton.cpp
+++ b/src/widgets/widgets/qpushbutton.cpp
@@ -59,8 +59,8 @@
 #include "qlayoutitem.h"
 #include "qdialogbuttonbox.h"
 #ifdef Q_WS_MAC
-#include "qmacstyle_mac.h"
 #include "private/qmacstyle_mac_p.h"
+#include "private/qmacstyle_mac_p_p.h"
 #endif // Q_WS_MAC
 
 #ifndef QT_NO_ACCESSIBILITY
diff --git a/tests/auto/widgets/dialogs/qmessagebox/tst_qmessagebox.cpp b/tests/auto/widgets/dialogs/qmessagebox/tst_qmessagebox.cpp
index cd52977d611..ae71d33c50b 100644
--- a/tests/auto/widgets/dialogs/qmessagebox/tst_qmessagebox.cpp
+++ b/tests/auto/widgets/dialogs/qmessagebox/tst_qmessagebox.cpp
@@ -50,9 +50,6 @@
 #include <QDialogButtonBox>
 #include <qpa/qplatformtheme.h>
 #include <private/qguiapplication_p.h>
-#if defined(Q_OS_MAC) && !defined(QT_NO_STYLE_MAC)
-#include <QMacStyle>
-#endif
 
 #define CONVENIENCE_FUNC_SYMS(func) \
     { \
diff --git a/tests/auto/widgets/graphicsview/qgraphicsproxywidget/tst_qgraphicsproxywidget.cpp b/tests/auto/widgets/graphicsview/qgraphicsproxywidget/tst_qgraphicsproxywidget.cpp
index 61ac6bb6935..04976f4a8c3 100644
--- a/tests/auto/widgets/graphicsview/qgraphicsproxywidget/tst_qgraphicsproxywidget.cpp
+++ b/tests/auto/widgets/graphicsview/qgraphicsproxywidget/tst_qgraphicsproxywidget.cpp
@@ -45,9 +45,6 @@
 #include <QtWidgets>
 #include <private/qgraphicsproxywidget_p.h>
 #include <private/qlayoutengine_p.h>    // qSmartMin functions...
-#if defined(Q_OS_MAC) && !defined(QT_NO_STYLE_MAC)
-#include <QMacStyle>
-#endif
 
 #include "../../../qtest-config.h"
 
@@ -2721,7 +2718,7 @@ void tst_QGraphicsProxyWidget::childPos()
 #if defined(Q_OS_MAC) && !defined(QT_NO_STYLE_MAC)
         // The Mac style wants the popup to show up at QPoint(4 - 11, 1).
         // See QMacStyle::subControlRect SC_ComboBoxListBoxPopup.
-        if (qobject_cast<QMacStyle *>(QApplication::style()))
+        if (QApplication::style()->inherits("QMacStyle"))
             expectedXPosition = qreal(4 - 11);
 #endif
         QCOMPARE(proxyChild->pos().x(), expectedXPosition);
diff --git a/tests/auto/widgets/kernel/qlayout/tst_qlayout.cpp b/tests/auto/widgets/kernel/qlayout/tst_qlayout.cpp
index e4c76cd2379..7e68db0e8c2 100644
--- a/tests/auto/widgets/kernel/qlayout/tst_qlayout.cpp
+++ b/tests/auto/widgets/kernel/qlayout/tst_qlayout.cpp
@@ -57,10 +57,6 @@
 #include <QRadioButton>
 #include <private/qlayoutengine_p.h>
 
-#ifdef Q_OS_MAC
-# include <QtWidgets/QMacStyle>
-#endif
-
 class tst_QLayout : public QObject
 {
 Q_OBJECT
@@ -276,7 +272,7 @@ public:
 void tst_QLayout::layoutItemRect()
 {
 #ifdef Q_OS_MAC
-    if (qobject_cast<QMacStyle*>(QApplication::style())) {
+    if (QApplication::style()->inherits("QMacStyle")) {
         QWidget *window = new QWidget;
         QRadioButton *radio = new QRadioButton(window);
         QWidgetItem item(radio);
diff --git a/tests/auto/widgets/styles/qmacstyle/tst_qmacstyle.cpp b/tests/auto/widgets/styles/qmacstyle/tst_qmacstyle.cpp
index c0b857d5405..bd14a76bbb5 100644
--- a/tests/auto/widgets/styles/qmacstyle/tst_qmacstyle.cpp
+++ b/tests/auto/widgets/styles/qmacstyle/tst_qmacstyle.cpp
@@ -43,8 +43,6 @@
 #include <QtTest/QtTest>
 #include <QtWidgets>
 
-#include <qmacstyle_mac.h>
-
 const int N = 1;
 
 enum Size { Normal, Small, Mini };
@@ -322,13 +320,13 @@ void tst_QMacStyle::setSize(QWidget *widget, Size size)
 {
     switch (size) {
     case Normal:
-        QMacStyle::setWidgetSizePolicy(widget, QMacStyle::SizeDefault);
+        widget->setAttribute(Qt::WA_MacNormalSize, true);
         break;
     case Small:
-        QMacStyle::setWidgetSizePolicy(widget, QMacStyle::SizeSmall);
+        widget->setAttribute(Qt::WA_MacSmallSize, true);
         break;
     case Mini:
-        QMacStyle::setWidgetSizePolicy(widget, QMacStyle::SizeMini);
+        widget->setAttribute(Qt::WA_MacMiniSize, true);
     }
 }
 
diff --git a/tests/auto/widgets/styles/qstyle/tst_qstyle.cpp b/tests/auto/widgets/styles/qstyle/tst_qstyle.cpp
index f5358b4e152..7cbd30ebb3e 100644
--- a/tests/auto/widgets/styles/qstyle/tst_qstyle.cpp
+++ b/tests/auto/widgets/styles/qstyle/tst_qstyle.cpp
@@ -71,10 +71,6 @@
 #include <qmdiarea.h>
 #include <qscrollarea.h>
 
-#ifdef Q_OS_MAC
-#include <QMacStyle>
-#endif
-
 #ifdef Q_OS_WINCE_WM
 #include <windows.h>
 
@@ -527,8 +523,9 @@ qDebug("TEST PAINTING");
 #ifdef Q_OS_MAC
 void tst_QStyle::testMacStyle()
 {
-    QMacStyle mstyle;
-    QVERIFY(testAllFunctions(&mstyle));
+    QStyle *mstyle = QStyleFactory::create("Macintosh");
+    QVERIFY(testAllFunctions(mstyle));
+    delete mstyle;
 }
 #endif
 
diff --git a/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp b/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
index af14ad13d35..4f390fa2c86 100644
--- a/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
+++ b/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
@@ -60,9 +60,6 @@
 #include <qtablewidget.h>
 #include <qscrollbar.h>
 #include <qboxlayout.h>
-#ifdef Q_OS_MAC
-#include <qmacstyle_mac.h>
-#endif
 
 #include <qstandarditemmodel.h>
 #include <qstringlistmodel.h>
@@ -450,7 +447,7 @@ void tst_QComboBox::setEditable()
 void tst_QComboBox::setPalette()
 {
 #ifdef Q_OS_MAC
-    if (qobject_cast<QMacStyle *>(testWidget->style())) {
+    if (testWidget->style()->inherits("QMacStyle")) {
         QSKIP("This test doesn't make sense for pixmap-based styles");
     }
 #endif
diff --git a/tests/auto/widgets/widgets/qmdiarea/tst_qmdiarea.cpp b/tests/auto/widgets/widgets/qmdiarea/tst_qmdiarea.cpp
index 51a49f467dc..5aa7b199170 100644
--- a/tests/auto/widgets/widgets/qmdiarea/tst_qmdiarea.cpp
+++ b/tests/auto/widgets/widgets/qmdiarea/tst_qmdiarea.cpp
@@ -60,7 +60,6 @@
 #ifndef QT_NO_OPENGL
 #include <QtOpenGL>
 #endif
-#include <QMacStyle>
 #include <QStyleHints>
 
 static const Qt::WindowFlags DefaultWindowFlags
@@ -195,7 +194,7 @@ static bool verifyArrangement(QMdiArea *mdiArea, Arrangement arrangement, const
         int titleBarHeight = firstSubWindow->style()->pixelMetric(QStyle::PM_TitleBarHeight, &options);
 #ifdef Q_OS_MAC
         // ### Remove this after the mac style has been fixed
-        if (qobject_cast<QMacStyle *>(firstSubWindow->style()))
+        if (firstSubWindow->style()->inherits("QMacStyle"))
             titleBarHeight -= 4;
 #endif
         const QFontMetrics fontMetrics = QFontMetrics(QApplication::font("QMdiSubWindowTitleBar"));
diff --git a/tests/auto/widgets/widgets/qmdisubwindow/tst_qmdisubwindow.cpp b/tests/auto/widgets/widgets/qmdisubwindow/tst_qmdisubwindow.cpp
index caf030e3b63..4b2124e8d4f 100644
--- a/tests/auto/widgets/widgets/qmdisubwindow/tst_qmdisubwindow.cpp
+++ b/tests/auto/widgets/widgets/qmdisubwindow/tst_qmdisubwindow.cpp
@@ -59,9 +59,6 @@
 #include <QStyleOptionTitleBar>
 #include <QPushButton>
 #include <QSizeGrip>
-#if defined(Q_OS_MAC) && !defined(QT_NO_STYLE_MAC)
-#include <QMacStyle>
-#endif
 
 #include "../../../qtest-config.h"
 
@@ -598,7 +595,7 @@ void tst_QMdiSubWindow::showShaded()
     QPoint mousePosition(window->width() - qMax(offset, 2), window->height() - qMax(offset, 2));
     QWidget *mouseReceiver = 0;
 #ifdef Q_OS_MAC
-    if (qobject_cast<QMacStyle*>(window->style()))
+    if (window->style()->inherits("QMacStyle"))
         mouseReceiver = qFindChild<QSizeGrip *>(window);
     else
 #endif
@@ -1704,7 +1701,7 @@ void tst_QMdiSubWindow::fixedMinMaxSize()
     int minimizedHeight = subWindow->style()->pixelMetric(QStyle::PM_TitleBarHeight, &options);
 #if defined(Q_OS_MAC) && !defined(QT_NO_STYLE_MAC)
     // ### Remove this after mac style has been fixed
-    if (qobject_cast<QMacStyle *>(subWindow->style()))
+    if (subWindow->style()->inherits("QMacStyle"))
         minimizedHeight -= 4;
 #endif
     if (!subWindow->style()->styleHint(QStyle::SH_TitleBar_NoBorder, &options, subWindow))