9 files changed, 11 insertions, 11 deletions
diff --git a/src/gui/doc/snippets/textdocument-listitems/mainwindow.cpp b/src/gui/doc/snippets/textdocument-listitems/mainwindow.cpp
index 7daf4f46c3..5179208f61 100644
--- a/src/gui/doc/snippets/textdocument-listitems/mainwindow.cpp
+++ b/src/gui/doc/snippets/textdocument-listitems/mainwindow.cpp
@@ -130,9 +130,9 @@ void MainWindow::showList()
     headerLabels << tr("Lists");
     treeWidget->setHeaderLabels(headerLabels);
 
-    QTreeWidgetItem *parentItem = 0;
+    QTreeWidgetItem *parentItem = nullptr;
     QTreeWidgetItem *item;
-    QTreeWidgetItem *lastItem = 0;
+    QTreeWidgetItem *lastItem = nullptr;
     parentItems.clear();
     previousItems.clear();
 
diff --git a/src/gui/kernel/qguiapplication.cpp b/src/gui/kernel/qguiapplication.cpp
index 2f9349bb55..1499c4b57e 100644
--- a/src/gui/kernel/qguiapplication.cpp
+++ b/src/gui/kernel/qguiapplication.cpp
@@ -1752,7 +1752,7 @@ void restoreOverrideCursor();
 static QFont font();
 static QFont font(const QWidget*);
 static QFont font(const char *className);
-static void setFont(const QFont &, const char* className = 0);
+static void setFont(const QFont &, const char *className = nullptr);
 static QFontMetrics fontMetrics();
 
 #ifndef QT_NO_CLIPBOARD
diff --git a/src/gui/opengl/qopenglfunctions.h b/src/gui/opengl/qopenglfunctions.h
index 76552cdd0e..c288df53b5 100644
--- a/src/gui/opengl/qopenglfunctions.h
+++ b/src/gui/opengl/qopenglfunctions.h
@@ -68,7 +68,7 @@ typedef double GLdouble;
         unsigned clamped = qMin(unsigned(error - GL_INVALID_ENUM), 4U); \
         const char *errors[] = { "GL_INVALID_ENUM", "GL_INVALID_VALUE", "GL_INVALID_OPERATION", "Unknown" }; \
         printf("GL error at %s:%d: %s\n", __FILE__, __LINE__, errors[clamped]); \
-        int *value = 0; \
+        int *value = nullptr; \
         *value = 0; \
     }
 #else
diff --git a/src/gui/painting/qcoregraphics.mm b/src/gui/painting/qcoregraphics.mm
index 302fa1b049..ef29f4a490 100644
--- a/src/gui/painting/qcoregraphics.mm
+++ b/src/gui/painting/qcoregraphics.mm
@@ -510,7 +510,7 @@ void QMacCGContext::initialize(const QImage *image, QPainter *painter)
                 clip &= painterClip;
         }
 
-        qt_mac_clip_cg(context, clip, 0);
+        qt_mac_clip_cg(context, clip, nullptr);
 
         CGContextTranslateCTM(context, deviceTransform.dx(), deviceTransform.dy());
     }
diff --git a/src/gui/platform/windows/qwindowsguieventdispatcher_p.h b/src/gui/platform/windows/qwindowsguieventdispatcher_p.h
index c6506f2dc9..804c7e936d 100644
--- a/src/gui/platform/windows/qwindowsguieventdispatcher_p.h
+++ b/src/gui/platform/windows/qwindowsguieventdispatcher_p.h
@@ -60,7 +60,7 @@ class Q_GUI_EXPORT QWindowsGuiEventDispatcher : public QEventDispatcherWin32
 {
     Q_OBJECT
 public:
-    explicit QWindowsGuiEventDispatcher(QObject *parent = 0);
+    explicit QWindowsGuiEventDispatcher(QObject *parent = nullptr);
 
     static const char *windowsMessageName(UINT msg);
 
diff --git a/src/gui/text/qstatictext.cpp b/src/gui/text/qstatictext.cpp
index 2d4fd5594d..b702764688 100644
--- a/src/gui/text/qstatictext.cpp
+++ b/src/gui/text/qstatictext.cpp
@@ -84,7 +84,7 @@ QStaticTextUserData::~QStaticTextUserData()
     class MyWidget: public QWidget
     {
     public:
-        MyWidget(QWidget *parent = 0) : QWidget(parent), m_staticText("This is static text")
+        MyWidget(QWidget *parent = nullptr) : QWidget(parent), m_staticText("This is static text")
 
     protected:
         void paintEvent(QPaintEvent *)
diff --git a/src/gui/text/windows/qwindowsfontdatabase.cpp b/src/gui/text/windows/qwindowsfontdatabase.cpp
index 36d8da0ce8..9ee1c5aba6 100644
--- a/src/gui/text/windows/qwindowsfontdatabase.cpp
+++ b/src/gui/text/windows/qwindowsfontdatabase.cpp
@@ -1139,7 +1139,7 @@ QFontEngine *QWindowsFontDatabase::createEngine(const QFontDef &request, const Q
                                                 int dpi,
                                                 const QSharedPointer<QWindowsFontEngineData> &data)
 {
-    QFontEngine *fe = 0;
+    QFontEngine *fe = nullptr;
 
     LOGFONT lf = fontDefToLOGFONT(request, faceName);
     const bool preferClearTypeAA = lf.lfQuality == CLEARTYPE_QUALITY;
diff --git a/src/gui/text/windows/qwindowsfontengine.cpp b/src/gui/text/windows/qwindowsfontengine.cpp
index cbf50f65da..dd0fbbf262 100644
--- a/src/gui/text/windows/qwindowsfontengine.cpp
+++ b/src/gui/text/windows/qwindowsfontengine.cpp
@@ -642,7 +642,7 @@ qreal QWindowsFontEngine::minRightBearing() const
         HDC hdc = m_fontEngineData->hdc;
         SelectObject(hdc, hfont);
         if (ttf) {
-            ABC *abc = 0;
+            ABC *abc = nullptr;
             int n = tm.tmLastChar - tm.tmFirstChar;
             if (n <= max_font_count) {
                 abc = new ABC[n+1];
@@ -706,7 +706,7 @@ static inline QPointF qt_to_qpointf(const POINTFX &pt, qreal scale, qreal stretc
 #endif
 
 static bool addGlyphToPath(glyph_t glyph, const QFixedPoint &position, HDC hdc,
-                           QPainterPath *path, bool ttf, glyph_metrics_t *metric = 0,
+                           QPainterPath *path, bool ttf, glyph_metrics_t *metric = nullptr,
                            qreal scale = 1.0, qreal stretch = 1.0)
 {
     MAT2 mat;
diff --git a/src/gui/text/windows/qwindowsfontengine_p.h b/src/gui/text/windows/qwindowsfontengine_p.h
index 8a676affcd..22130924ad 100644
--- a/src/gui/text/windows/qwindowsfontengine_p.h
+++ b/src/gui/text/windows/qwindowsfontengine_p.h
@@ -115,7 +115,7 @@ public:
     bool supportsTransformation(const QTransform &transform) const override;
 
 #ifndef Q_CC_MINGW
-    void getGlyphBearings(glyph_t glyph, qreal *leftBearing = 0, qreal *rightBearing = 0) override;
+    void getGlyphBearings(glyph_t glyph, qreal *leftBearing = nullptr, qreal *rightBearing = nullptr) override;
 #endif
 
     bool hasUnreliableGlyphOutline() const override;