0 to Q_NULLPTR

Signed-off-by: Ivailo Monev <xakepa10@laimg.moc>

src/3rdparty/javascriptcore/runtime/ArgList.h

@@ -45,7 +45,7 @@ namespace JSC {
         // FIXME: Remove all clients of this API, then remove this API.
         MarkedArgumentBuffer()
             : m_isUsingInlineBuffer(true)
-            , m_markSet(0)
+            , m_markSet(Q_NULLPTR)
 #ifndef NDEBUG
             , m_isReadOnly(false)
 #endif
@@ -59,7 +59,7 @@ namespace JSC {
             : m_buffer(buffer)
             , m_size(size)
             , m_isUsingInlineBuffer(true)
-            , m_markSet(0)
+            , m_markSet(Q_NULLPTR)
 #ifndef NDEBUG
             , m_isReadOnly(true)
 #endif
@@ -97,7 +97,7 @@ namespace JSC {
         void clear()
         {
             m_vector.clear();
-            m_buffer = 0;
+            m_buffer = Q_NULLPTR;
             m_size = 0;
         }
 

src/3rdparty/javascriptcore/wtf/Assertions.h

@@ -55,7 +55,7 @@
 #ifndef CRASH
 #define CRASH() do { \
     *(int *)(uintptr_t)0xbbadbeef = 0; \
-    ((void(*)())0)(); /* More reliable, but doesn't say BBADBEEF */ \
+    ((void(*)())Q_NULLPTR)(); /* More reliable, but doesn't say BBADBEEF */ \
 } while(false)
 #endif
 

src/3rdparty/javascriptcore/wtf/HashTable.h

@@ -477,7 +477,7 @@ namespace WTF {
         int i = h & sizeMask;
 
         if (!table)
-            return 0;
+            return Q_NULLPTR;
 
 #if DUMP_HASHTABLE_STATS
         atomicIncrement(&HashTableStats::numAccesses);
@@ -493,10 +493,10 @@ namespace WTF {
                     return entry;
                 
                 if (isEmptyBucket(*entry))
-                    return 0;
+                    return Q_NULLPTR;
             } else {
                 if (isEmptyBucket(*entry))
-                    return 0;
+                    return Q_NULLPTR;
                 
                 if (!isDeletedBucket(*entry) && HashTranslator::equal(Extractor::extract(*entry), key))
                     return entry;
@@ -529,7 +529,7 @@ namespace WTF {
         int probeCount = 0;
 #endif
 
-        ValueType* deletedEntry = 0;
+        ValueType* deletedEntry = Q_NULLPTR;
 
         while (1) {
             ValueType* entry = table + i;
@@ -581,7 +581,7 @@ namespace WTF {
         int probeCount = 0;
 #endif
 
-        ValueType* deletedEntry = 0;
+        ValueType* deletedEntry = Q_NULLPTR;
 
         while (1) {
             ValueType* entry = table + i;
@@ -641,7 +641,7 @@ namespace WTF {
         int probeCount = 0;
 #endif
 
-        ValueType* deletedEntry = 0;
+        ValueType* deletedEntry = Q_NULLPTR;
         ValueType* entry;
         while (1) {
             entry = table + i;

src/3rdparty/javascriptcore/wtf/Vector.h

@@ -296,7 +296,7 @@ namespace WTF {
         void deallocateBuffer(T* bufferToDeallocate)
         {
             if (m_buffer == bufferToDeallocate) {
-                m_buffer = 0;
+                m_buffer = Q_NULLPTR;
                 m_capacity = 0;
             }
             fastFree(bufferToDeallocate);
@@ -310,14 +310,14 @@ namespace WTF {
         T* releaseBuffer()
         {
             T* buffer = m_buffer;
-            m_buffer = 0;
+            m_buffer = Q_NULLPTR;
             m_capacity = 0;
             return buffer;
         }
 
     protected:
         VectorBufferBase()
-            : m_buffer(0)
+            : m_buffer(Q_NULLPTR)
             , m_capacity(0)
         {
         }

src/core/thread/qthreadstorage.h

@@ -70,7 +70,7 @@ inline
 T *&qThreadStorage_localData(QThreadStorageData &d, T **)
 {
     void **v = d.get();
-    if (!v) v = d.set(0);
+    if (!v) v = d.set(Q_NULLPTR);
     return *(reinterpret_cast<T**>(v));
 }
 

src/gui/dialogs/qcolordialog.cpp

@@ -77,7 +77,7 @@ class QWellArray : public QWidget
     Q_PROPERTY(int selectedRow READ selectedRow)
 
 public:
-    QWellArray(int rows, int cols, QWidget* parent=0);
+    QWellArray(int rows, int cols, QWidget* parent = Q_NULLPTR);
     ~QWellArray() {}
     QString cellContent(int row, int col) const;
 
@@ -649,7 +649,7 @@ class QColorLuminancePicker : public QWidget
 {
     Q_OBJECT
 public:
-    QColorLuminancePicker(QWidget* parent=0);
+    QColorLuminancePicker(QWidget* parent = Q_NULLPTR);
     ~QColorLuminancePicker();
 
 public slots:

src/gui/dialogs/qerrormessage.h

@@ -58,7 +58,7 @@ class Q_GUI_EXPORT QErrorMessage: public QDialog
     Q_OBJECT
     Q_DECLARE_PRIVATE(QErrorMessage)
 public:
-    explicit QErrorMessage(QWidget* parent = 0);
+    explicit QErrorMessage(QWidget* parent = Q_NULLPTR);
     ~QErrorMessage();
 
     static QErrorMessage * qtHandler();

src/gui/dialogs/qprintpreviewdialog.cpp

@@ -107,7 +107,7 @@ class LineEdit : public QLineEdit
 {
     Q_OBJECT
 public:
-    LineEdit(QWidget* parent = 0)
+    LineEdit(QWidget* parent = Q_NULLPTR)
         : QLineEdit(parent)
     {
         setContextMenuPolicy(Qt::NoContextMenu);

src/gui/image/qimage.h

@@ -127,9 +127,9 @@ public:
 #ifndef QT_NO_IMAGEFORMAT_XPM
     explicit QImage(const char * const xpm[]);
 #endif
-    explicit QImage(const QString &fileName, const char *format = 0);
+    explicit QImage(const QString &fileName, const char *format = Q_NULLPTR);
 #ifndef QT_NO_CAST_FROM_ASCII
-    explicit QImage(const char *fileName, const char *format = 0);
+    explicit QImage(const char *fileName, const char *format = Q_NULLPTR);
 #endif
 
     QImage(const QImage &);
@@ -238,16 +238,16 @@ public:
 
 
     bool load(QIODevice *device, const char* format);
-    bool load(const QString &fileName, const char* format=0);
+    bool load(const QString &fileName, const char* format = Q_NULLPTR);
-    bool loadFromData(const char *buf, int len, const char *format = 0);
+    bool loadFromData(const char *buf, int len, const char *format = Q_NULLPTR);
-    inline bool loadFromData(const QByteArray &data, const char* aformat=0)
+    inline bool loadFromData(const QByteArray &data, const char* aformat = Q_NULLPTR)
         { return loadFromData(data.constData(), data.size(), aformat); }
 
-    bool save(const QString &fileName, const char* format=0, int quality=-1) const;
+    bool save(const QString &fileName, const char* format = Q_NULLPTR, int quality=-1) const;
-    bool save(QIODevice *device, const char* format=0, int quality=-1) const;
+    bool save(QIODevice *device, const char* format = Q_NULLPTR, int quality=-1) const;
 
-    static QImage fromData(const char *data, int size, const char *format = 0);
+    static QImage fromData(const char *data, int size, const char *format = Q_NULLPTR);
-    inline static QImage fromData(const QByteArray &data, const char *format = 0)
+    inline static QImage fromData(const QByteArray &data, const char *format = Q_NULLPTR)
         { return fromData(data.constData(), data.size(), format); }
 
     qint64 cacheKey() const;

src/gui/image/qpixmap.h

@@ -70,7 +70,7 @@ public:
     explicit QPixmap(QPixmapData *data);
     QPixmap(int w, int h);
     QPixmap(const QSize &);
-    QPixmap(const QString& fileName, const char *format = 0, Qt::ImageConversionFlags flags = Qt::AutoColor);
+    QPixmap(const QString& fileName, const char *format = Q_NULLPTR, Qt::ImageConversionFlags flags = Qt::AutoColor);
 #ifndef QT_NO_IMAGEFORMAT_XPM
     QPixmap(const char * const xpm[]);
 #endif
@@ -138,19 +138,19 @@ public:
     static QPixmap fromImage(const QImage &image, Qt::ImageConversionFlags flags = Qt::AutoColor);
     static QPixmap fromImageReader(QImageReader *imageReader, Qt::ImageConversionFlags flags = Qt::AutoColor);
 
-    bool load(const QString& fileName, const char *format = 0, Qt::ImageConversionFlags flags = Qt::AutoColor);
+    bool load(const QString& fileName, const char *format = Q_NULLPTR, Qt::ImageConversionFlags flags = Qt::AutoColor);
-    bool loadFromData(const uchar *buf, uint len, const char* format = 0, Qt::ImageConversionFlags flags = Qt::AutoColor);
+    bool loadFromData(const uchar *buf, uint len, const char* format = Q_NULLPTR, Qt::ImageConversionFlags flags = Qt::AutoColor);
-    inline bool loadFromData(const QByteArray &data, const char* format = 0, Qt::ImageConversionFlags flags = Qt::AutoColor);
+    inline bool loadFromData(const QByteArray &data, const char* format = Q_NULLPTR, Qt::ImageConversionFlags flags = Qt::AutoColor);
-    bool save(const QString& fileName, const char* format = 0, int quality = -1) const;
+    bool save(const QString& fileName, const char* format = Q_NULLPTR, int quality = -1) const;
-    bool save(QIODevice* device, const char* format = 0, int quality = -1) const;
+    bool save(QIODevice* device, const char* format = Q_NULLPTR, int quality = -1) const;
 
     bool convertFromImage(const QImage &img, Qt::ImageConversionFlags flags = Qt::AutoColor);
 
     inline QPixmap copy(int x, int y, int width, int height) const;
     QPixmap copy(const QRect &rect = QRect()) const;
 
-    inline void scroll(int dx, int dy, int x, int y, int width, int height, QRegion *exposed = 0);
+    inline void scroll(int dx, int dy, int x, int y, int width, int height, QRegion *exposed = Q_NULLPTR);
-    void scroll(int dx, int dy, const QRect &rect, QRegion *exposed = 0);
+    void scroll(int dx, int dy, const QRect &rect, QRegion *exposed = Q_NULLPTR);
 
     qint64 cacheKey() const;
 

src/gui/kernel/qdesktopwidget.h

@@ -67,7 +67,7 @@ public:
     int screenCount() const;
     int primaryScreen() const;
 
-    int screenNumber(const QWidget *widget = 0) const;
+    int screenNumber(const QWidget *widget = Q_NULLPTR) const;
     int screenNumber(const QPoint &) const;
 
     QWidget *screen(int screen = -1);

src/gui/kernel/qwidget.h

@@ -200,7 +200,7 @@ public:
     };
     Q_DECLARE_FLAGS(RenderFlags, RenderFlag)
 
-    explicit QWidget(QWidget* parent = 0, Qt::WindowFlags f = 0);
+    explicit QWidget(QWidget* parent = Q_NULLPTR, Qt::WindowFlags f = 0);
     ~QWidget();
 
     int devType() const;

src/gui/kernel/qwidget_p.h

@@ -334,7 +334,7 @@ public:
     void render(QPaintDevice *target, const QPoint &targetOffset, const QRegion &sourceRegion,
                 QWidget::RenderFlags renderFlags, bool readyToRender);
     void drawWidget(QPaintDevice *pdev, const QRegion &rgn, const QPoint &offset, int flags,
-                    QPainter *sharedPainter = 0, QWidgetBackingStore *backingStore = 0);
+                    QPainter *sharedPainter = Q_NULLPTR, QWidgetBackingStore *backingStore = Q_NULLPTR);
 
 
     void paintSiblingsRecursive(QPaintDevice *pdev, const QObjectList& children, int index,
@@ -357,7 +357,7 @@ public:
     QRect clipRect() const;
     QRegion clipRegion() const;
     void subtractOpaqueChildren(QRegion &rgn, const QRect &clipRect) const;
-    void subtractOpaqueSiblings(QRegion &source, bool *hasDirtySiblingsAbove = 0,
+    void subtractOpaqueSiblings(QRegion &source, bool *hasDirtySiblingsAbove = Q_NULLPTR,
                                 bool alsoNonOpaque = false) const;
     void clipToEffectiveMask(QRegion &region) const;
     void updateIsOpaque();
@@ -411,7 +411,7 @@ public:
     void _q_showIfNotHidden();
 
     void setEnabled_helper(bool);
-    static void adjustFlags(Qt::WindowFlags &flags, QWidget *w = 0);
+    static void adjustFlags(Qt::WindowFlags &flags, QWidget *w = Q_NULLPTR);
 
     void updateFrameStrut();
     QRect frameStrut() const;
@@ -446,7 +446,7 @@ public:
 
     void getLayoutItemMargins(int *left, int *top, int *right, int *bottom) const;
     void setLayoutItemMargins(int left, int top, int right, int bottom);
-    void setLayoutItemMargins(QStyle::SubElement element, const QStyleOption *opt = 0);
+    void setLayoutItemMargins(QStyle::SubElement element, const QStyleOption *opt = Q_NULLPTR);
 
     // aboutToDestroy() is called just before the contents of
     // QWidget::destroy() is executed. It's used to signal QWidget
@@ -504,7 +504,7 @@ public:
     }
 
     inline void restoreRedirected()
-    { redirectDev = 0; }
+    { redirectDev = Q_NULLPTR; }
 
     inline void enforceNativeChildren()
     {
@@ -721,7 +721,7 @@ public:
     }
 
     inline const QStyleOption *styleOption() const
-    { return 0; }
+    { return Q_NULLPTR; }
 
     inline QRect deviceRect() const
     { return m_widget->window()->rect(); }
@@ -751,14 +751,14 @@ inline QTLWExtra *QWidgetPrivate::topData() const
 
 inline QTLWExtra *QWidgetPrivate::maybeTopData() const
 {
-    return extra ? extra->topextra : 0;
+    return extra ? extra->topextra : Q_NULLPTR;
 }
 
 inline QPainter *QWidgetPrivate::sharedPainter() const
 {
     Q_Q(const QWidget);
     QTLWExtra *x = q->window()->d_func()->maybeTopData();
-    return x ? x->sharedPainter : 0;
+    return x ? x->sharedPainter : Q_NULLPTR;
 }
 
 inline void QWidgetPrivate::setSharedPainter(QPainter *painter)
@@ -779,7 +779,7 @@ inline QWidgetBackingStore *QWidgetPrivate::maybeBackingStore() const
 {
     Q_Q(const QWidget);
     QTLWExtra *x = q->window()->d_func()->maybeTopData();
-    return x ? x->backingStore.data() : 0;
+    return x ? x->backingStore.data() : Q_NULLPTR;
 }
 
 QT_END_NAMESPACE

src/gui/painting/qcolor.h

@@ -98,10 +98,10 @@ public:
     void setGreenF(qreal green);
     void setBlueF(qreal blue);
 
-    void getRgb(int *r, int *g, int *b, int *a = 0) const;
+    void getRgb(int *r, int *g, int *b, int *a = Q_NULLPTR) const;
     void setRgb(int r, int g, int b, int a = 255);
 
-    void getRgbF(qreal *r, qreal *g, qreal *b, qreal *a = 0) const;
+    void getRgbF(qreal *r, qreal *g, qreal *b, qreal *a = Q_NULLPTR) const;
     void setRgbF(qreal r, qreal g, qreal b, qreal a = 1.0);
 
     QRgb rgba() const;
@@ -122,10 +122,10 @@ public:
     qreal hsvSaturationF() const;
     qreal valueF() const;
 
-    void getHsv(int *h, int *s, int *v, int *a = 0) const;
+    void getHsv(int *h, int *s, int *v, int *a = Q_NULLPTR) const;
     void setHsv(int h, int s, int v, int a = 255);
 
-    void getHsvF(qreal *h, qreal *s, qreal *v, qreal *a = 0) const;
+    void getHsvF(qreal *h, qreal *s, qreal *v, qreal *a = Q_NULLPTR) const;
     void setHsvF(qreal h, qreal s, qreal v, qreal a = 1.0);
 
     int cyan() const;
@@ -138,10 +138,10 @@ public:
     qreal yellowF() const;
     qreal blackF() const;
 
-    void getCmyk(int *c, int *m, int *y, int *k, int *a = 0);
+    void getCmyk(int *c, int *m, int *y, int *k, int *a = Q_NULLPTR);
     void setCmyk(int c, int m, int y, int k, int a = 255);
 
-    void getCmykF(qreal *c, qreal *m, qreal *y, qreal *k, qreal *a = 0);
+    void getCmykF(qreal *c, qreal *m, qreal *y, qreal *k, qreal *a = Q_NULLPTR);
     void setCmykF(qreal c, qreal m, qreal y, qreal k, qreal a = 1.0);
 
     int hslHue() const; // 0 <= hue < 360
@@ -152,10 +152,10 @@ public:
     qreal hslSaturationF() const;
     qreal lightnessF() const;
 
-    void getHsl(int *h, int *s, int *l, int *a = 0) const;
+    void getHsl(int *h, int *s, int *l, int *a = Q_NULLPTR) const;
     void setHsl(int h, int s, int l, int a = 255);
 
-    void getHslF(qreal *h, qreal *s, qreal *l, qreal *a = 0) const;
+    void getHslF(qreal *h, qreal *s, qreal *l, qreal *a = Q_NULLPTR) const;
     void setHslF(qreal h, qreal s, qreal l, qreal a = 1.0);
 
     QColor toRgb() const;

src/gui/painting/qdrawutil.h

@@ -77,12 +77,12 @@ inline void qDrawShadeLine(QPainter *p, const QPoint &p1, const QPoint &p2,
 Q_GUI_EXPORT void qDrawShadeRect(QPainter *p, int x, int y, int w, int h,
                               const QPalette &pal, bool sunken = false,
                               int lineWidth = 1, int midLineWidth = 0,
-                              const QBrush *fill = 0);
+                              const QBrush *fill = Q_NULLPTR);
 
 inline void qDrawShadeRect(QPainter *p, const QRect &r,
                               const QPalette &pal, bool sunken = false,
                               int lineWidth = 1, int midLineWidth = 0,
-                              const QBrush *fill = 0)
+                              const QBrush *fill = Q_NULLPTR)
 {
     qDrawShadeRect(p, r.x(), r.y(), r.width(), r.height(), pal, sunken,
                     lineWidth, midLineWidth, fill);
@@ -90,11 +90,11 @@ inline void qDrawShadeRect(QPainter *p, const QRect &r,
 
 Q_GUI_EXPORT void qDrawShadePanel(QPainter *p, int x, int y, int w, int h,
                                const QPalette &pal, bool sunken = false,
-                               int lineWidth = 1, const QBrush *fill = 0);
+                               int lineWidth = 1, const QBrush *fill = Q_NULLPTR);
 
 inline void qDrawShadePanel(QPainter *p, const QRect &r,
                                const QPalette &pal, bool sunken = false,
-                               int lineWidth = 1, const QBrush *fill = 0)
+                               int lineWidth = 1, const QBrush *fill = Q_NULLPTR)
 {
     qDrawShadePanel(p, r.x(), r.y(), r.width(), r.height(), pal, sunken,
                      lineWidth, fill);
@@ -102,32 +102,32 @@ inline void qDrawShadePanel(QPainter *p, const QRect &r,
 
 Q_GUI_EXPORT void qDrawWinButton(QPainter *p, int x, int y, int w, int h,
                               const QPalette &pal, bool sunken = false,
-                              const QBrush *fill = 0);
+                              const QBrush *fill = Q_NULLPTR);
 
 inline void qDrawWinButton(QPainter *p, const QRect &r,
                               const QPalette &pal, bool sunken = false,
-                              const QBrush *fill = 0)
+                              const QBrush *fill = Q_NULLPTR)
 {
     qDrawWinButton(p, r.x(), r.y(), r.width(), r.height(), pal, sunken, fill);
 }
 
 Q_GUI_EXPORT void qDrawWinPanel(QPainter *p, int x, int y, int w, int h,
                               const QPalette &pal, bool sunken = false,
-                             const QBrush *fill = 0);
+                             const QBrush *fill = Q_NULLPTR);
 
 inline void qDrawWinPanel(QPainter *p, const QRect &r,
                               const QPalette &pal, bool sunken = false,
-                             const QBrush *fill = 0)
+                             const QBrush *fill = Q_NULLPTR)
 {
     qDrawWinPanel(p, r.x(), r.y(), r.width(), r.height(), pal, sunken, fill);
 }
 
 Q_GUI_EXPORT void qDrawPlainRect(QPainter *p, int x, int y, int w, int h,
                               const QColor &c,
-                              int lineWidth = 1, const QBrush *fill = 0);
+                              int lineWidth = 1, const QBrush *fill = Q_NULLPTR);
 
 inline void qDrawPlainRect(QPainter *p, const QRect &r, const QColor &c,
-                              int lineWidth = 1, const QBrush *fill = 0)
+                              int lineWidth = 1, const QBrush *fill = Q_NULLPTR)
 {
     qDrawPlainRect(p, r.x(), r.y(), r.width(), r.height(), c, lineWidth, fill);
 }

src/gui/styles/qcdestyle.h

@@ -58,12 +58,12 @@ public:
     explicit QCDEStyle(bool useHighlightCols = false);
     virtual ~QCDEStyle();
 
-    int pixelMetric(PixelMetric metric, const QStyleOption *option = 0,
+    int pixelMetric(PixelMetric metric, const QStyleOption *option = Q_NULLPTR,
-                    const QWidget *widget = 0) const;
+                    const QWidget *widget = Q_NULLPTR) const;
     void drawControl(ControlElement element, const QStyleOption *opt, QPainter *p,
-                     const QWidget *w = 0) const;
+                     const QWidget *w = Q_NULLPTR) const;
     void drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p,
-                       const QWidget *w = 0) const;
+                       const QWidget *w = Q_NULLPTR) const;
     QPalette standardPalette() const;
 };
 

src/gui/styles/qcleanlooksstyle.h

@@ -64,26 +64,26 @@ public:
     QPalette standardPalette () const;
     void drawPrimitive(PrimitiveElement elem,
                         const QStyleOption *option,
-                        QPainter *painter, const QWidget *widget = 0) const;
+                        QPainter *painter, const QWidget *widget = Q_NULLPTR) const;
     void drawControl(ControlElement ce, const QStyleOption *option, QPainter *painter,
                                 const QWidget *widget) const;
-    int pixelMetric(PixelMetric metric, const QStyleOption *option = 0, const QWidget *widget = 0) const;
+    int pixelMetric(PixelMetric metric, const QStyleOption *option = Q_NULLPTR, const QWidget *widget = Q_NULLPTR) const;
     void drawComplexControl(ComplexControl control, const QStyleOptionComplex *option,
                             QPainter *painter, const QWidget *widget) const;
-    QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = 0) const;
+    QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = Q_NULLPTR) const;
     QSize sizeFromContents(ContentsType type, const QStyleOption *option,
                            const QSize &size, const QWidget *widget) const;
     SubControl hitTestComplexControl(ComplexControl cc, const QStyleOptionComplex *opt,
-                               const QPoint &pt, const QWidget *w = 0) const;
+                               const QPoint &pt, const QWidget *w = Q_NULLPTR) const;
     QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt,
                          SubControl sc, const QWidget *widget) const;
     QPixmap generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap,
                                         const QStyleOption *opt) const;
-    int styleHint(StyleHint hint, const QStyleOption *option = 0, const QWidget *widget = 0,
+    int styleHint(StyleHint hint, const QStyleOption *option = Q_NULLPTR, const QWidget *widget = Q_NULLPTR,
-                  QStyleHintReturn *returnData = 0) const;
+                  QStyleHintReturn *returnData = Q_NULLPTR) const;
     QRect itemPixmapRect(const QRect &r, int flags, const QPixmap &pixmap) const;
     QPixmap standardPixmap(StandardPixmap standardPixmap, const QStyleOption *opt,
-                           const QWidget *widget = 0) const;
+                           const QWidget *widget = Q_NULLPTR) const;
     void drawItemPixmap(QPainter *painter, const QRect &rect,
                         int alignment, const QPixmap &pixmap) const;
     void drawItemText(QPainter *painter, const QRect &rect,

src/gui/styles/qcommonstyle.cpp

@@ -684,7 +684,7 @@ void QCommonStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, Q
 
 #ifndef QT_NO_TOOLBUTTON
 static void drawArrow(const QStyle *style, const QStyleOptionToolButton *toolbutton,
-                      const QRect &rect, QPainter *painter, const QWidget *widget = 0)
+                      const QRect &rect, QPainter *painter, const QWidget *widget = Q_NULLPTR)
 {
     QStyle::PrimitiveElement pe;
     switch (toolbutton->arrowType) {

src/gui/styles/qcommonstyle.h

@@ -59,26 +59,26 @@ public:
     ~QCommonStyle();
 
     void drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p,
-                       const QWidget *w = 0) const;
+                       const QWidget *w = Q_NULLPTR) const;
     void drawControl(ControlElement element, const QStyleOption *opt, QPainter *p,
-                     const QWidget *w = 0) const;
+                     const QWidget *w = Q_NULLPTR) const;
-    QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = 0) const;
+    QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = Q_NULLPTR) const;
     void drawComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p,
-                            const QWidget *w = 0) const;
+                            const QWidget *w = Q_NULLPTR) const;
     SubControl hitTestComplexControl(ComplexControl cc, const QStyleOptionComplex *opt,
-                                     const QPoint &pt, const QWidget *w = 0) const;
+                                     const QPoint &pt, const QWidget *w = Q_NULLPTR) const;
     QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc,
-                         const QWidget *w = 0) const;
+                         const QWidget *w = Q_NULLPTR) const;
     QSize sizeFromContents(ContentsType ct, const QStyleOption *opt,
-                           const QSize &contentsSize, const QWidget *widget = 0) const;
+                           const QSize &contentsSize, const QWidget *widget = Q_NULLPTR) const;
 
-    int pixelMetric(PixelMetric m, const QStyleOption *opt = 0, const QWidget *widget = 0) const;
+    int pixelMetric(PixelMetric m, const QStyleOption *opt = Q_NULLPTR, const QWidget *widget = Q_NULLPTR) const;
 
-    int styleHint(StyleHint sh, const QStyleOption *opt = 0, const QWidget *w = 0,
+    int styleHint(StyleHint sh, const QStyleOption *opt = Q_NULLPTR, const QWidget *w = Q_NULLPTR,
-                  QStyleHintReturn *shret = 0) const;
+                  QStyleHintReturn *shret = Q_NULLPTR) const;
 
-    QPixmap standardPixmap(StandardPixmap sp, const QStyleOption *opt = 0,
+    QPixmap standardPixmap(StandardPixmap sp, const QStyleOption *opt = Q_NULLPTR,
-                           const QWidget *widget = 0) const;
+                           const QWidget *widget = Q_NULLPTR) const;
 
     QPixmap generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap,
                                 const QStyleOption *opt) const;
@@ -89,8 +89,8 @@ public:
     void unpolish(QWidget *widget);
     void unpolish(QApplication *application);
 
-    virtual QIcon standardIcon(StandardPixmap standardIcon, const QStyleOption *opt = 0,
+    virtual QIcon standardIcon(StandardPixmap standardIcon, const QStyleOption *opt = Q_NULLPTR,
-                       const QWidget *widget = 0) const;
+                       const QWidget *widget = Q_NULLPTR) const;
 
 protected:
     QCommonStyle(QCommonStylePrivate &dd);

src/gui/styles/qgtkstyle.h

@@ -77,8 +77,8 @@ public:
     void drawComplexControl(ComplexControl control, const QStyleOptionComplex *option,
                             QPainter *painter, const QWidget *widget) const;
 
-    int pixelMetric(PixelMetric metric, const QStyleOption *option = 0,
+    int pixelMetric(PixelMetric metric, const QStyleOption *option = Q_NULLPTR,
-                    const QWidget *widget = 0) const;
+                    const QWidget *widget = Q_NULLPTR) const;
     int styleHint(StyleHint hint, const QStyleOption *option,
                   const QWidget *widget, QStyleHintReturn *returnData) const;
 
@@ -98,11 +98,11 @@ public:
     void unpolish(QWidget *widget);
     void unpolish(QApplication *app);
 
-    static bool getGConfBool(const QString &key, bool fallback = 0);
+    static bool getGConfBool(const QString &key, bool fallback = false);
     static QString getGConfString(const QString &key, const QString &fallback = QString());
 
     QIcon standardIcon(StandardPixmap standardIcon, const QStyleOption *option,
-                       const QWidget *widget = 0) const;
+                       const QWidget *widget = Q_NULLPTR) const;
 };
 
 #endif //!defined(QT_NO_STYLE_QGTK)

src/gui/styles/qmotifstyle.h

@@ -73,30 +73,30 @@ public:
     void unpolish(QApplication*);
 
     void drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p,
-                        const QWidget *w = 0) const;
+                        const QWidget *w = Q_NULLPTR) const;
 
     void drawControl(ControlElement element, const QStyleOption *opt, QPainter *p,
-                      const QWidget *w = 0) const;
+                      const QWidget *w = Q_NULLPTR) const;
 
     void drawComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p,
-                            const QWidget *w = 0) const;
+                            const QWidget *w = Q_NULLPTR) const;
 
     QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt,
-                         SubControl sc, const QWidget *widget = 0) const;
+                         SubControl sc, const QWidget *widget = Q_NULLPTR) const;
 
-    int pixelMetric(PixelMetric metric, const QStyleOption *option = 0,
+    int pixelMetric(PixelMetric metric, const QStyleOption *option = Q_NULLPTR,
-                     const QWidget *widget = 0) const;
+                     const QWidget *widget = Q_NULLPTR) const;
 
     QSize sizeFromContents(ContentsType ct, const QStyleOption *opt,
-                           const QSize &contentsSize, const QWidget *widget = 0) const;
+                           const QSize &contentsSize, const QWidget *widget = Q_NULLPTR) const;
 
-    QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = 0) const;
+    QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = Q_NULLPTR) const;
 
     QPixmap standardPixmap(StandardPixmap standardPixmap, const QStyleOption *opt,
-                           const QWidget *widget = 0) const;
+                           const QWidget *widget = Q_NULLPTR) const;
 
-    int styleHint(StyleHint hint, const QStyleOption *opt = 0, const QWidget *widget = 0,
+    int styleHint(StyleHint hint, const QStyleOption *opt = Q_NULLPTR, const QWidget *widget = Q_NULLPTR,
-                  QStyleHintReturn *returnData = 0) const;
+                  QStyleHintReturn *returnData = Q_NULLPTR) const;
 
     bool event(QEvent *);
     QPalette standardPalette() const;

src/gui/styles/qplastiquestyle.h

@@ -61,7 +61,7 @@ public:
     ~QPlastiqueStyle();
 
     void drawPrimitive(PrimitiveElement element, const QStyleOption *option,
-                       QPainter *painter, const QWidget *widget = 0) const;
+                       QPainter *painter, const QWidget *widget = Q_NULLPTR) const;
     void drawControl(ControlElement element, const QStyleOption *option,
                      QPainter *painter, const QWidget *widget) const;
     void drawComplexControl(ComplexControl control, const QStyleOptionComplex *option,
@@ -73,12 +73,12 @@ public:
     QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt,
                          SubControl sc, const QWidget *widget) const;
 
-    int styleHint(StyleHint hint, const QStyleOption *option = 0, const QWidget *widget = 0,
+    int styleHint(StyleHint hint, const QStyleOption *option = Q_NULLPTR, const QWidget *widget = Q_NULLPTR,
-                  QStyleHintReturn *returnData = 0) const;
+                  QStyleHintReturn *returnData = Q_NULLPTR) const;
     SubControl hitTestComplexControl(ComplexControl control, const QStyleOptionComplex *option,
-                                     const QPoint &pos, const QWidget *widget = 0) const;
+                                     const QPoint &pos, const QWidget *widget = Q_NULLPTR) const;
 
-    int pixelMetric(PixelMetric metric, const QStyleOption *option = 0, const QWidget *widget = 0) const;
+    int pixelMetric(PixelMetric metric, const QStyleOption *option = Q_NULLPTR, const QWidget *widget = Q_NULLPTR) const;
 
     void polish(QWidget *widget);
     void unpolish(QWidget *widget);
@@ -88,8 +88,8 @@ public:
     int layoutSpacing(QSizePolicy::ControlType control1,
                       QSizePolicy::ControlType control2, 
                       Qt::Orientation orientation,
-                      const QStyleOption *option = 0, 
+                      const QStyleOption *option = Q_NULLPTR, 
-                      const QWidget *widget = 0) const;
+                      const QWidget *widget = Q_NULLPTR) const;
 
 protected:
     bool eventFilter(QObject *watched, QEvent *event);

src/gui/styles/qproxystyle.h

@@ -57,15 +57,15 @@ class Q_GUI_EXPORT QProxyStyle : public QCommonStyle
     Q_OBJECT
 
 public:
-    QProxyStyle(QStyle *baseStyle = 0);
+    QProxyStyle(QStyle *baseStyle = Q_NULLPTR);
     ~QProxyStyle();
 
     QStyle *baseStyle() const;
     void setBaseStyle(QStyle *style);
 
-    void drawPrimitive(PrimitiveElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget = 0) const;
+    void drawPrimitive(PrimitiveElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget = Q_NULLPTR) const;
-    void drawControl(ControlElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget = 0) const;
+    void drawControl(ControlElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget = Q_NULLPTR) const;
-    void drawComplexControl(ComplexControl control, const QStyleOptionComplex *option, QPainter *painter, const QWidget *widget = 0) const;
+    void drawComplexControl(ComplexControl control, const QStyleOptionComplex *option, QPainter *painter, const QWidget *widget = Q_NULLPTR) const;
     void drawItemText(QPainter *painter, const QRect &rect, int flags, const QPalette &pal, bool enabled,
                       const QString &text, QPalette::ColorRole textRole = QPalette::NoRole) const;
     virtual void drawItemPixmap(QPainter *painter, const QRect &rect, int alignment, const QPixmap &pixmap) const;
@@ -77,11 +77,11 @@ public:
     QRect itemTextRect(const QFontMetrics &fm, const QRect &r, int flags, bool enabled, const QString &text) const;
     QRect itemPixmapRect(const QRect &r, int flags, const QPixmap &pixmap) const;
 
-    SubControl hitTestComplexControl(ComplexControl control, const QStyleOptionComplex *option, const QPoint &pos, const QWidget *widget = 0) const;
+    SubControl hitTestComplexControl(ComplexControl control, const QStyleOptionComplex *option, const QPoint &pos, const QWidget *widget = Q_NULLPTR) const;
-    int styleHint(StyleHint hint, const QStyleOption *option = 0, const QWidget *widget = 0, QStyleHintReturn *returnData = 0) const;
+    int styleHint(StyleHint hint, const QStyleOption *option = Q_NULLPTR, const QWidget *widget = Q_NULLPTR, QStyleHintReturn *returnData = Q_NULLPTR) const;
-    int pixelMetric(PixelMetric metric, const QStyleOption *option = 0, const QWidget *widget = 0) const;
+    int pixelMetric(PixelMetric metric, const QStyleOption *option = Q_NULLPTR, const QWidget *widget = Q_NULLPTR) const;
 
-    QPixmap standardPixmap(StandardPixmap standardPixmap, const QStyleOption *opt, const QWidget *widget = 0) const;
+    QPixmap standardPixmap(StandardPixmap standardPixmap, const QStyleOption *opt, const QWidget *widget = Q_NULLPTR) const;
     QPixmap generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap, const QStyleOption *opt) const;
     QPalette standardPalette() const;
 
@@ -97,7 +97,7 @@ protected:
 
     QIcon standardIcon(StandardPixmap standardIcon, const QStyleOption *option, const QWidget *widget) const;
     int layoutSpacing(QSizePolicy::ControlType control1, QSizePolicy::ControlType control2,
-                      Qt::Orientation orientation, const QStyleOption *option = 0, const QWidget *widget = 0) const;
+                      Qt::Orientation orientation, const QStyleOption *option = Q_NULLPTR, const QWidget *widget = Q_NULLPTR) const;
 private:
     Q_DISABLE_COPY(QProxyStyle)
     Q_DECLARE_PRIVATE(QProxyStyle)

src/gui/styles/qstyle.h

@@ -197,7 +197,7 @@ public:
     };
 
     virtual void drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p,
-                               const QWidget *w = 0) const = 0;
+                               const QWidget *w = Q_NULLPTR) const = 0;
     enum ControlElement {
         CE_PushButton,
         CE_PushButtonBevel,
@@ -267,7 +267,7 @@ public:
     };
 
     virtual void drawControl(ControlElement element, const QStyleOption *opt, QPainter *p,
-                             const QWidget *w = 0) const = 0;
+                             const QWidget *w = Q_NULLPTR) const = 0;
 
     enum SubElement {
         SE_PushButtonContents,
@@ -349,7 +349,7 @@ public:
     };
 
     virtual QRect subElementRect(SubElement subElement, const QStyleOption *option,
-                                 const QWidget *widget = 0) const = 0;
+                                 const QWidget *widget = Q_NULLPTR) const = 0;
 
 
     enum ComplexControl {
@@ -426,11 +426,11 @@ public:
 
 
     virtual void drawComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p,
-                                    const QWidget *widget = 0) const = 0;
+                                    const QWidget *widget = Q_NULLPTR) const = 0;
     virtual SubControl hitTestComplexControl(ComplexControl cc, const QStyleOptionComplex *opt,
-                                             const QPoint &pt, const QWidget *widget = 0) const = 0;
+                                             const QPoint &pt, const QWidget *widget = Q_NULLPTR) const = 0;
     virtual QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt,
-                                 SubControl sc, const QWidget *widget = 0) const = 0;
+                                 SubControl sc, const QWidget *widget = Q_NULLPTR) const = 0;
 
     enum PixelMetric {
         PM_ButtonMargin,
@@ -555,8 +555,8 @@ public:
         PM_CustomBase = 0xf0000000
     };
 
-    virtual int pixelMetric(PixelMetric metric, const QStyleOption *option = 0,
+    virtual int pixelMetric(PixelMetric metric, const QStyleOption *option = Q_NULLPTR,
-                            const QWidget *widget = 0) const = 0;
+                            const QWidget *widget = Q_NULLPTR) const = 0;
 
     enum ContentsType {
         CT_PushButton,
@@ -587,7 +587,7 @@ public:
     };
 
     virtual QSize sizeFromContents(ContentsType ct, const QStyleOption *opt,
-                                   const QSize &contentsSize, const QWidget *w = 0) const = 0;
+                                   const QSize &contentsSize, const QWidget *w = Q_NULLPTR) const = 0;
 
     enum RequestSoftwareInputPanel {
         RSIP_OnMouseClickAndAlreadyFocused,
@@ -699,8 +699,8 @@ public:
         SH_CustomBase = 0xf0000000
     };
 
-    virtual int styleHint(StyleHint stylehint, const QStyleOption *opt = 0,
+    virtual int styleHint(StyleHint stylehint, const QStyleOption *opt = Q_NULLPTR,
-                          const QWidget *widget = 0, QStyleHintReturn* returnData = 0) const = 0;
+                          const QWidget *widget = Q_NULLPTR, QStyleHintReturn* returnData = Q_NULLPTR) const = 0;
 
     enum StandardPixmap {
         SP_TitleBarMenuButton,
@@ -776,11 +776,11 @@ public:
         SP_CustomBase = 0xf0000000
     };
 
-    virtual QPixmap standardPixmap(StandardPixmap standardPixmap, const QStyleOption *opt = 0,
+    virtual QPixmap standardPixmap(StandardPixmap standardPixmap, const QStyleOption *opt = Q_NULLPTR,
-                                   const QWidget *widget = 0) const = 0;
+                                   const QWidget *widget = Q_NULLPTR) const = 0;
 
-    virtual QIcon standardIcon(StandardPixmap standardIcon, const QStyleOption *option = 0,
+    virtual QIcon standardIcon(StandardPixmap standardIcon, const QStyleOption *option = Q_NULLPTR,
-                               const QWidget *widget = 0) const;
+                               const QWidget *widget = Q_NULLPTR) const;
 
     virtual QPixmap generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap,
                                         const QStyleOption *opt) const = 0;
@@ -799,10 +799,10 @@ public:
 
     virtual int layoutSpacing(QSizePolicy::ControlType control1,
                               QSizePolicy::ControlType control2, Qt::Orientation orientation,
-                              const QStyleOption *option = 0, const QWidget *widget = 0) const;
+                              const QStyleOption *option = Q_NULLPTR, const QWidget *widget = Q_NULLPTR) const;
     int combinedLayoutSpacing(QSizePolicy::ControlTypes controls1,
                               QSizePolicy::ControlTypes controls2, Qt::Orientation orientation,
-                              QStyleOption *option = 0, QWidget *widget = 0) const;
+                              QStyleOption *option = Q_NULLPTR, QWidget *widget = Q_NULLPTR) const;
 
     const QStyle * proxy() const;
 

src/gui/styles/qstylefactory.cpp

@@ -98,7 +98,7 @@ Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, stylesloader,
 */
 QStyle *QStyleFactory::create(const QString& key)
 {
-    QStyle *ret = 0;
+    QStyle *ret = Q_NULLPTR;
     QString style = key.toLower();
 #ifndef QT_NO_STYLE_WINDOWS
     if (style == QLatin1String("windows"))

src/gui/styles/qstylesheetstyle_p.h

@@ -82,38 +82,38 @@ public:
     ~QStyleSheetStyle();
 
     void drawComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p,
-                            const QWidget *w = 0) const;
+                            const QWidget *w = Q_NULLPTR) const;
     void drawControl(ControlElement element, const QStyleOption *opt, QPainter *p,
-                     const QWidget *w = 0) const;
+                     const QWidget *w = Q_NULLPTR) const;
     void drawItemPixmap(QPainter *painter, const QRect &rect, int alignment, const QPixmap &pixmap) const;
     void drawItemText(QPainter *painter, const QRect& rect, int alignment, const QPalette &pal,
               bool enabled, const QString& text, QPalette::ColorRole textRole  = QPalette::NoRole) const;
     void drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p,
-                       const QWidget *w = 0) const;
+                       const QWidget *w = Q_NULLPTR) const;
     QPixmap generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap,
                                 const QStyleOption *option) const;
     SubControl hitTestComplexControl(ComplexControl cc, const QStyleOptionComplex *opt,
-                                     const QPoint &pt, const QWidget *w = 0) const;
+                                     const QPoint &pt, const QWidget *w = Q_NULLPTR) const;
     QRect itemPixmapRect(const QRect &rect, int alignment, const QPixmap &pixmap) const;
     QRect itemTextRect(const QFontMetrics &metrics, const QRect &rect, int alignment, bool enabled,
                        const QString &text) const;
-    int pixelMetric(PixelMetric metric, const QStyleOption *option = 0, const QWidget *widget = 0) const;
+    int pixelMetric(PixelMetric metric, const QStyleOption *option = Q_NULLPTR, const QWidget *widget = Q_NULLPTR) const;
     void polish(QWidget *widget);
     void polish(QApplication *app);
     void polish(QPalette &pal);
     QSize sizeFromContents(ContentsType ct, const QStyleOption *opt,
-                           const QSize &contentsSize, const QWidget *widget = 0) const;
+                           const QSize &contentsSize, const QWidget *widget = Q_NULLPTR) const;
     QPalette standardPalette() const;
-    QPixmap standardPixmap(StandardPixmap standardPixmap, const QStyleOption *option = 0,
+    QPixmap standardPixmap(StandardPixmap standardPixmap, const QStyleOption *option = Q_NULLPTR,
-                           const QWidget *w = 0 ) const;
+                           const QWidget *w = Q_NULLPTR ) const;
     int layoutSpacing(QSizePolicy::ControlType control1, QSizePolicy::ControlType control2,
-                          Qt::Orientation orientation, const QStyleOption *option = 0,
+                          Qt::Orientation orientation, const QStyleOption *option = Q_NULLPTR,
-                          const QWidget *widget = 0) const;
+                          const QWidget *widget = Q_NULLPTR) const;
-    int styleHint(StyleHint sh, const QStyleOption *opt = 0, const QWidget *w = 0,
+    int styleHint(StyleHint sh, const QStyleOption *opt = Q_NULLPTR, const QWidget *w = Q_NULLPTR,
-                  QStyleHintReturn *shret = 0) const;
+                  QStyleHintReturn *shret = Q_NULLPTR) const;
-    QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = 0) const;
+    QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = Q_NULLPTR) const;
     QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc,
-                         const QWidget *w = 0) const;
+                         const QWidget *w = Q_NULLPTR) const;
 
     // These functions are called from QApplication/QWidget. Be careful.
     QStyle *baseStyle() const;
@@ -133,8 +133,8 @@ public:
 
     bool styleSheetPalette(const QWidget* w, const QStyleOption* opt, QPalette* pal);
 
-    QIcon standardIcon(StandardPixmap standardIcon, const QStyleOption *opt = 0,
+    QIcon standardIcon(StandardPixmap standardIcon, const QStyleOption *opt = Q_NULLPTR,
-                       const QWidget *widget = 0) const;
+                       const QWidget *widget = Q_NULLPTR) const;
 
 protected:
     bool event(QEvent *e);

src/gui/styles/qwindowsstyle.h

@@ -69,22 +69,22 @@ public:
     void polish(QPalette &);
 
     void drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p,
-                       const QWidget *w = 0) const;
+                       const QWidget *w = Q_NULLPTR) const;
     void drawControl(ControlElement element, const QStyleOption *opt, QPainter *p,
-                     const QWidget *w = 0) const;
+                     const QWidget *w = Q_NULLPTR) const;
-    QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = 0) const;
+    QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = Q_NULLPTR) const;
     void drawComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p,
-                            const QWidget *w = 0) const;
+                            const QWidget *w = Q_NULLPTR) const;
     QSize sizeFromContents(ContentsType ct, const QStyleOption *opt,
-                           const QSize &contentsSize, const QWidget *widget = 0) const;
+                           const QSize &contentsSize, const QWidget *widget = Q_NULLPTR) const;
 
-    int pixelMetric(PixelMetric pm, const QStyleOption *option = 0, const QWidget *widget = 0) const;
+    int pixelMetric(PixelMetric pm, const QStyleOption *option = Q_NULLPTR, const QWidget *widget = Q_NULLPTR) const;
 
-    int styleHint(StyleHint hint, const QStyleOption *opt = 0, const QWidget *widget = 0,
+    int styleHint(StyleHint hint, const QStyleOption *opt = Q_NULLPTR, const QWidget *widget = Q_NULLPTR,
-                  QStyleHintReturn *returnData = 0) const;
+                  QStyleHintReturn *returnData = Q_NULLPTR) const;
 
     QPixmap standardPixmap(StandardPixmap standardPixmap, const QStyleOption *opt,
-                           const QWidget *widget = 0) const;
+                           const QWidget *widget = Q_NULLPTR) const;
 
 protected:
     bool eventFilter(QObject *o, QEvent *e);

src/gui/widgets/qabstractbutton.h

@@ -73,7 +73,7 @@ class Q_GUI_EXPORT QAbstractButton : public QWidget
     Q_PROPERTY(bool down READ isDown WRITE setDown DESIGNABLE false)
 
 public:
-    explicit QAbstractButton(QWidget* parent=0);
+    explicit QAbstractButton(QWidget* parent = Q_NULLPTR);
     ~QAbstractButton();
 
     void setText(const QString &text);
@@ -144,7 +144,7 @@ protected:
 
 
 protected:
-    QAbstractButton(QAbstractButtonPrivate &dd, QWidget* parent = 0);
+    QAbstractButton(QAbstractButtonPrivate &dd, QWidget* parent = Q_NULLPTR);
 
 private:
     Q_DECLARE_PRIVATE(QAbstractButton)

src/gui/widgets/qabstractscrollarea.h

@@ -62,7 +62,7 @@ class Q_GUI_EXPORT QAbstractScrollArea : public QFrame
     Q_PROPERTY(Qt::ScrollBarPolicy horizontalScrollBarPolicy READ horizontalScrollBarPolicy WRITE setHorizontalScrollBarPolicy)
 
 public:
-    explicit QAbstractScrollArea(QWidget* parent=0);
+    explicit QAbstractScrollArea(QWidget* parent = Q_NULLPTR);
     ~QAbstractScrollArea();
 
     Qt::ScrollBarPolicy verticalScrollBarPolicy() const;

src/gui/widgets/qframe.h

@@ -64,7 +64,7 @@ class Q_GUI_EXPORT QFrame : public QWidget
     Q_PROPERTY(QRect frameRect READ frameRect WRITE setFrameRect DESIGNABLE false)
 
 public:
-    explicit QFrame(QWidget* parent = 0, Qt::WindowFlags f = 0);
+    explicit QFrame(QWidget* parent = Q_NULLPTR, Qt::WindowFlags f = 0);
     ~QFrame();
 
     int frameStyle() const;
@@ -117,7 +117,7 @@ protected:
 
 
 protected:
-    QFrame(QFramePrivate &dd, QWidget* parent = 0, Qt::WindowFlags f = 0);
+    QFrame(QFramePrivate &dd, QWidget* parent = Q_NULLPTR, Qt::WindowFlags f = 0);
 
 private:
     Q_DISABLE_COPY(QFrame)

src/gui/widgets/qgroupbox.h

@@ -63,8 +63,8 @@ class Q_GUI_EXPORT QGroupBox : public QWidget
     Q_PROPERTY(bool checkable READ isCheckable WRITE setCheckable)
     Q_PROPERTY(bool checked READ isChecked WRITE setChecked DESIGNABLE isCheckable NOTIFY toggled USER true)
 public:
-    explicit QGroupBox(QWidget* parent=0);
+    explicit QGroupBox(QWidget* parent = Q_NULLPTR);
-    explicit QGroupBox(const QString &title, QWidget* parent=0);
+    explicit QGroupBox(const QString &title, QWidget* parent = Q_NULLPTR);
     ~QGroupBox();
 
     QString title() const;

src/gui/widgets/qlcdnumber.h

@@ -65,8 +65,8 @@ class Q_GUI_EXPORT QLCDNumber : public QFrame // LCD number widget
     Q_PROPERTY(int intValue READ intValue WRITE display)
 
 public:
-    explicit QLCDNumber(QWidget* parent = 0);
+    explicit QLCDNumber(QWidget* parent = Q_NULLPTR);
-    explicit QLCDNumber(uint numDigits, QWidget* parent = 0);
+    explicit QLCDNumber(uint numDigits, QWidget* parent = Q_NULLPTR);
     ~QLCDNumber();
 
     enum Mode {

src/gui/widgets/qlineedit.h

@@ -87,8 +87,8 @@ class Q_GUI_EXPORT QLineEdit : public QWidget
     Q_PROPERTY(Qt::CursorMoveStyle cursorMoveStyle READ cursorMoveStyle WRITE setCursorMoveStyle)
 
 public:
-    explicit QLineEdit(QWidget* parent=0);
+    explicit QLineEdit(QWidget* parent = Q_NULLPTR);
-    explicit QLineEdit(const QString &, QWidget* parent=0);
+    explicit QLineEdit(const QString &, QWidget* parent = Q_NULLPTR);
     ~QLineEdit();
 
     QString text() const;

src/gui/widgets/qmenu.h

@@ -80,8 +80,8 @@ public:
 #endif
     QAction *addAction(const QString &text);
     QAction *addAction(const QIcon &icon, const QString &text);
-    QAction *addAction(const QString &text, const QObject *receiver, const char* member, const QKeySequence &shortcut = 0);
+    QAction *addAction(const QString &text, const QObject *receiver, const char* member, const QKeySequence &shortcut = QKeySequence());
-    QAction *addAction(const QIcon &icon, const QString &text, const QObject *receiver, const char* member, const QKeySequence &shortcut = 0);
+    QAction *addAction(const QIcon &icon, const QString &text, const QObject *receiver, const char* member, const QKeySequence &shortcut = QKeySequence());
 
     QAction *addMenu(QMenu *menu);
     QMenu *addMenu(const QString &title);
@@ -107,12 +107,12 @@ public:
     void setActiveAction(QAction *act);
     QAction *activeAction() const;
 
-    void popup(const QPoint &pos, QAction *at=0);
+    void popup(const QPoint &pos, QAction *at = Q_NULLPTR);
     QAction *exec();
-    QAction *exec(const QPoint &pos, QAction *at=0);
+    QAction *exec(const QPoint &pos, QAction *at = Q_NULLPTR);
 
     static QAction *exec(QList<QAction*> actions, const QPoint &pos,
-            QAction *at = 0, QWidget *parent = Q_NULLPTR);
+            QAction *at = Q_NULLPTR, QWidget *parent = Q_NULLPTR);
 
     QSize sizeHint() const;
 
@@ -168,7 +168,7 @@ private:
 
 
 protected:
-    QMenu(QMenuPrivate &dd, QWidget* parent = 0);
+    QMenu(QMenuPrivate &dd, QWidget* parent = Q_NULLPTR);
 
 private:
     Q_DISABLE_COPY(QMenu)

src/gui/widgets/qprintpreviewwidget.cpp

@@ -149,7 +149,7 @@ class GraphicsView : public QGraphicsView
 {
     Q_OBJECT
 public:
-    GraphicsView(QWidget* parent = 0)
+    GraphicsView(QWidget* parent = Q_NULLPTR)
         : QGraphicsView(parent)
     {
 #ifdef Q_WS_MAC

src/gui/widgets/qpushbutton.h

@@ -62,9 +62,9 @@ class Q_GUI_EXPORT QPushButton : public QAbstractButton
     Q_PROPERTY(bool flat READ isFlat WRITE setFlat)
 
 public:
-    explicit QPushButton(QWidget *parent=0);
+    explicit QPushButton(QWidget *parent = Q_NULLPTR);
-    explicit QPushButton(const QString &text, QWidget *parent=0);
+    explicit QPushButton(const QString &text, QWidget *parent = Q_NULLPTR);
-    QPushButton(const QIcon& icon, const QString &text, QWidget *parent=0);
+    QPushButton(const QIcon& icon, const QString &text, QWidget *parent = Q_NULLPTR);
     ~QPushButton();
 
     QSize sizeHint() const;
@@ -95,7 +95,7 @@ protected:
     void focusInEvent(QFocusEvent *);
     void focusOutEvent(QFocusEvent *);
     void initStyleOption(QStyleOptionButton *option) const;
-    QPushButton(QPushButtonPrivate &dd, QWidget* parent = 0);
+    QPushButton(QPushButtonPrivate &dd, QWidget* parent = Q_NULLPTR);
 
 public:
 

src/gui/widgets/qscrollarea.h

@@ -60,7 +60,7 @@ class Q_GUI_EXPORT QScrollArea : public QAbstractScrollArea
     Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment)
 
 public:
-    explicit QScrollArea(QWidget* parent=0);
+    explicit QScrollArea(QWidget* parent = Q_NULLPTR);
     ~QScrollArea();
 
     QWidget *widget() const;

src/gui/widgets/qsplitter.h

@@ -68,8 +68,8 @@ class Q_GUI_EXPORT QSplitter : public QFrame
     Q_PROPERTY(bool childrenCollapsible READ childrenCollapsible WRITE setChildrenCollapsible)
 
 public:
-    explicit QSplitter(QWidget* parent = 0);
+    explicit QSplitter(QWidget* parent = Q_NULLPTR);
-    explicit QSplitter(Qt::Orientation, QWidget* parent = 0);
+    explicit QSplitter(Qt::Orientation, QWidget* parent = Q_NULLPTR);
     ~QSplitter();
 
     void addWidget(QWidget *widget);

src/gui/widgets/qstatusbar.h

@@ -60,7 +60,7 @@ class Q_GUI_EXPORT QStatusBar: public QWidget
     Q_PROPERTY(bool sizeGripEnabled READ isSizeGripEnabled WRITE setSizeGripEnabled)
 
 public:
-    explicit QStatusBar(QWidget* parent=0);
+    explicit QStatusBar(QWidget* parent = Q_NULLPTR);
     virtual ~QStatusBar();
 
     void addWidget(QWidget *widget, int stretch = 0);

src/gui/widgets/qtabbar.h

@@ -74,7 +74,7 @@ class Q_GUI_EXPORT QTabBar: public QWidget
     Q_PROPERTY(bool documentMode READ documentMode WRITE setDocumentMode)
 
 public:
-    explicit QTabBar(QWidget* parent=0);
+    explicit QTabBar(QWidget* parent = Q_NULLPTR);
     ~QTabBar();
 
     enum Shape { RoundedNorth, RoundedSouth, RoundedWest, RoundedEast,

src/gui/widgets/qtextbrowser.h

@@ -67,7 +67,7 @@ class Q_GUI_EXPORT QTextBrowser : public QTextEdit
     Q_PROPERTY(bool openLinks READ openLinks WRITE setOpenLinks)
 
 public:
-    explicit QTextBrowser(QWidget* parent = 0);
+    explicit QTextBrowser(QWidget* parent = Q_NULLPTR);
     virtual ~QTextBrowser();
 
     QUrl source() const;

src/gui/widgets/qtoolbutton.h

@@ -73,7 +73,7 @@ public:
         InstantPopup
     };
 
-    explicit QToolButton(QWidget * parent=0);
+    explicit QToolButton(QWidget *parent = Q_NULLPTR);
     ~QToolButton();
 
     QSize sizeHint() const;

src/gui/widgets/qworkspace.cpp

@@ -862,7 +862,7 @@ class QWorkspaceChild : public QWidget
     friend class QWorkspaceTitleBar;
 
 public:
-    QWorkspaceChild(QWidget* window, QWorkspace* parent=0, Qt::WindowFlags flags = 0);
+    QWorkspaceChild(QWidget* window, QWorkspace* parent = Q_NULLPTR, Qt::WindowFlags flags = 0);
     ~QWorkspaceChild();
 
     void setActive(bool);

src/gui/widgets/qworkspace.h

@@ -63,7 +63,7 @@ class Q_GUI_EXPORT QWorkspace : public QWidget
     Q_PROPERTY(QBrush background READ background WRITE setBackground)
 
 public:
-    explicit QWorkspace(QWidget* parent=0);
+    explicit QWorkspace(QWidget *parent = Q_NULLPTR);
     ~QWorkspace();
 
     enum WindowOrder { CreationOrder, StackingOrder };

src/scripttools/debugging/qscriptdebugoutputwidget.cpp

@@ -49,8 +49,6 @@
 
 QT_BEGIN_NAMESPACE
 
-namespace {
-
 class QScriptDebugOutputWidgetOutputEdit : public QPlainTextEdit
 {
 public:
@@ -75,8 +73,6 @@ public:
     }
 };
 
-} // namespace
-
 class QScriptDebugOutputWidgetPrivate
     : public QScriptDebugOutputWidgetInterfacePrivate
 {
@@ -157,4 +153,5 @@ void QScriptDebugOutputWidget::clear()
 }
 
 QT_END_NAMESPACE
-#include <moc_qscriptdebugoutputwidget_p.h>
+
+#include "moc_qscriptdebugoutputwidget_p.h"

src/tools/uic/driver.h

@@ -68,8 +68,8 @@ public:
 
     // tools
     bool printDependencies(const QString &fileName);
-    bool uic(const QString &fileName, QTextStream *output = 0);
+    bool uic(const QString &fileName, QTextStream *output = Q_NULLPTR);
-    bool uic(const QString &fileName, DomUI *ui, QTextStream *output = 0);
+    bool uic(const QString &fileName, DomUI *ui, QTextStream *output = Q_NULLPTR);
 
     // configuration
     inline QTextStream &output() const { return *m_output; }