Another round of replacing 0 with nullptr

This time based on grepping to also include documentation, tests and
examples previously missed by the automatic tool.

Change-Id: Ied1703f4bcc470fbc275f759ed5b7c588a5c4e9f
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

7 files changed, 26 insertions, 26 deletions

diff --git a/tests/auto/widgets/kernel/qboxlayout/tst_qboxlayout.cpp b/tests/auto/widgets/kernel/qboxlayout/tst_qboxlayout.cpp
index 00e82248d4..c63a3c6a52 100644
--- a/tests/auto/widgets/kernel/qboxlayout/tst_qboxlayout.cpp
+++ b/tests/auto/widgets/kernel/qboxlayout/tst_qboxlayout.cpp
@@ -70,15 +70,15 @@ public:
         vspacing = 10;
     }
 
-    virtual int pixelMetric(PixelMetric metric, const QStyleOption * option = 0,
-                            const QWidget * widget = 0 ) const override;
+    virtual int pixelMetric(PixelMetric metric, const QStyleOption * option = nullptr,
+                            const QWidget * widget = nullptr ) const override;
 
     int hspacing;
     int vspacing;
 };
 
-int CustomLayoutStyle::pixelMetric(PixelMetric metric, const QStyleOption * option /*= 0*/,
-                                   const QWidget * widget /*= 0*/ ) const
+int CustomLayoutStyle::pixelMetric(PixelMetric metric, const QStyleOption * option /*= nullptr*/,
+                                   const QWidget * widget /*= nullptr*/ ) const
 {
     switch (metric) {
         case PM_LayoutLeftMargin:
diff --git a/tests/auto/widgets/kernel/qformlayout/tst_qformlayout.cpp b/tests/auto/widgets/kernel/qformlayout/tst_qformlayout.cpp
index 06e82ecac8..d718a6c7d7 100644
--- a/tests/auto/widgets/kernel/qformlayout/tst_qformlayout.cpp
+++ b/tests/auto/widgets/kernel/qformlayout/tst_qformlayout.cpp
@@ -297,15 +297,15 @@ public:
         vspacing = 10;
     }
 
-    virtual int pixelMetric(PixelMetric metric, const QStyleOption * option = 0,
-                            const QWidget * widget = 0 ) const override;
+    virtual int pixelMetric(PixelMetric metric, const QStyleOption * option = nullptr,
+                            const QWidget * widget = nullptr) const override;
 
     int hspacing;
     int vspacing;
 };
 
-int CustomLayoutStyle::pixelMetric(PixelMetric metric, const QStyleOption * option /*= 0*/,
-                                   const QWidget * widget /*= 0*/ ) const
+int CustomLayoutStyle::pixelMetric(PixelMetric metric, const QStyleOption * option /*= nullptr*/,
+                                   const QWidget * widget /*= nullptr*/ ) const
 {
     switch (metric) {
         case PM_LayoutHorizontalSpacing:
@@ -391,7 +391,7 @@ void tst_QFormLayout::contentsRect()
 class DummyMacStyle : public QCommonStyle
 {
 public:
-    virtual int styleHint ( StyleHint hint, const QStyleOption * option = 0, const QWidget * widget = 0, QStyleHintReturn * returnData = 0 ) const override
+    virtual int styleHint ( StyleHint hint, const QStyleOption * option = 0, const QWidget * widget = nullptr, QStyleHintReturn * returnData = 0 ) const override
     {
         switch(hint) {
             case SH_FormLayoutFormAlignment:
@@ -411,7 +411,7 @@ public:
 class DummyQtopiaStyle : public QCommonStyle
 {
 public:
-    virtual int styleHint ( StyleHint hint, const QStyleOption * option = 0, const QWidget * widget = 0, QStyleHintReturn * returnData = 0 ) const override
+    virtual int styleHint ( StyleHint hint, const QStyleOption * option = 0, const QWidget * widget = nullptr, QStyleHintReturn * returnData = 0 ) const override
     {
         switch(hint) {
             case SH_FormLayoutFormAlignment:
diff --git a/tests/auto/widgets/kernel/qgridlayout/tst_qgridlayout.cpp b/tests/auto/widgets/kernel/qgridlayout/tst_qgridlayout.cpp
index 69d85df597..411ca7120e 100644
--- a/tests/auto/widgets/kernel/qgridlayout/tst_qgridlayout.cpp
+++ b/tests/auto/widgets/kernel/qgridlayout/tst_qgridlayout.cpp
@@ -381,9 +381,9 @@ void tst_QGridLayout::setMinAndMaxSize()
 class SizeHinter : public QWidget
 {
 public:
-    SizeHinter(const QSize &s, QWidget *parent = 0)
+    SizeHinter(const QSize &s, QWidget *parent = nullptr)
         : QWidget(parent), sh(s) { }
-    SizeHinter(int w, int h, QWidget *parent = 0)
+    SizeHinter(int w, int h, QWidget *parent = nullptr)
         : QWidget(parent), sh(QSize(w,h)) {}
     void setSizeHint(QSize s) { sh = s; }
     QSize sizeHint() const override { return sh; }
@@ -489,7 +489,7 @@ typedef QList<QPoint> PointList;
 class SizeHinterFrame : public QLabel
 {
 public:
-    SizeHinterFrame(QWidget *parent = 0)
+    SizeHinterFrame(QWidget *parent = nullptr)
     : QLabel(parent)
     {
         init(-1);
@@ -900,8 +900,8 @@ public:
         reimplementSubelementRect = false;
     }
 
-    virtual int pixelMetric(PixelMetric metric, const QStyleOption * option = 0,
-                            const QWidget * widget = 0 ) const override;
+    virtual int pixelMetric(PixelMetric metric, const QStyleOption * option = nullptr,
+                            const QWidget * widget = nullptr ) const override;
     virtual QRect subElementRect(SubElement sr, const QStyleOption *opt,
                                 const QWidget *widget) const override;
 
@@ -912,8 +912,8 @@ public:
     int layoutSpacing(QSizePolicy::ControlType control1,
                       QSizePolicy::ControlType control2,
                       Qt::Orientation orientation,
-                      const QStyleOption *option = 0,
-                      const QWidget *widget = 0) const override;
+                      const QStyleOption *option = nullptr,
+                      const QWidget *widget = nullptr) const override;
 
 };
 
@@ -945,8 +945,8 @@ QRect CustomLayoutStyle::subElementRect(SubElement sr, const QStyleOption *opt,
 int CustomLayoutStyle::layoutSpacing(QSizePolicy::ControlType control1,
                                 QSizePolicy::ControlType control2,
                                 Qt::Orientation orientation,
-                                const QStyleOption * /*option = 0*/,
-                                const QWidget * /*widget = 0*/) const
+                                const QStyleOption * /*option = nullptr*/,
+                                const QWidget * /*widget = nullptr*/) const
 {
     if (orientation == Qt::Horizontal) {
         switch (CT2(control1, control2)) {
@@ -966,8 +966,8 @@ int CustomLayoutStyle::layoutSpacing(QSizePolicy::ControlType control1,
     }
 }
 
-int CustomLayoutStyle::pixelMetric(PixelMetric metric, const QStyleOption * option /*= 0*/,
-                                   const QWidget * widget /*= 0*/ ) const
+int CustomLayoutStyle::pixelMetric(PixelMetric metric, const QStyleOption * option /*= nullptr*/,
+                                   const QWidget * widget /*= nullptr*/ ) const
 {
     switch (metric) {
         case PM_LayoutLeftMargin:
diff --git a/tests/auto/widgets/kernel/qtooltip/tst_qtooltip.cpp b/tests/auto/widgets/kernel/qtooltip/tst_qtooltip.cpp
index 053f4948a7..1b492d9a0f 100644
--- a/tests/auto/widgets/kernel/qtooltip/tst_qtooltip.cpp
+++ b/tests/auto/widgets/kernel/qtooltip/tst_qtooltip.cpp
@@ -64,7 +64,7 @@ class Widget_task183679 : public QWidget
 {
     Q_OBJECT
 public:
-    Widget_task183679(QWidget *parent = 0) : QWidget(parent) {}
+    Widget_task183679(QWidget *parent = nullptr) : QWidget(parent) {}
 
     void showDelayedToolTip(int msecs)
     {
diff --git a/tests/auto/widgets/kernel/qwidget_window/tst_qwidget_window.cpp b/tests/auto/widgets/kernel/qwidget_window/tst_qwidget_window.cpp
index 17b119410f..72e6c2ce32 100644
--- a/tests/auto/widgets/kernel/qwidget_window/tst_qwidget_window.cpp
+++ b/tests/auto/widgets/kernel/qwidget_window/tst_qwidget_window.cpp
@@ -966,7 +966,7 @@ class ResizeWidget : public QWidget
 {
 Q_OBJECT
 public:
-    ResizeWidget(QWidget *parent = 0)
+    ResizeWidget(QWidget *parent = nullptr)
         : QWidget(parent)
         , resizeCount(0)
     { }
@@ -1110,7 +1110,7 @@ class MoveWidget : public QWidget
 {
 Q_OBJECT
 public:
-    MoveWidget(QWidget *parent = 0)
+    MoveWidget(QWidget *parent = nullptr)
         : QWidget(parent)
         , moveCount(0)
     { }
diff --git a/tests/auto/widgets/kernel/qwidgetmetatype/tst_qwidgetmetatype.cpp b/tests/auto/widgets/kernel/qwidgetmetatype/tst_qwidgetmetatype.cpp
index 300320ca5d..1a6eb435a7 100644
--- a/tests/auto/widgets/kernel/qwidgetmetatype/tst_qwidgetmetatype.cpp
+++ b/tests/auto/widgets/kernel/qwidgetmetatype/tst_qwidgetmetatype.cpp
@@ -49,7 +49,7 @@ class CustomWidget : public QWidget
 {
   Q_OBJECT
 public:
-  CustomWidget(QWidget *parent = 0)
+  CustomWidget(QWidget *parent = nullptr)
     : QWidget(parent)
   {
 
diff --git a/tests/auto/widgets/kernel/qwidgetsvariant/tst_qwidgetsvariant.cpp b/tests/auto/widgets/kernel/qwidgetsvariant/tst_qwidgetsvariant.cpp
index 95bad0e903..18f07bbc42 100644
--- a/tests/auto/widgets/kernel/qwidgetsvariant/tst_qwidgetsvariant.cpp
+++ b/tests/auto/widgets/kernel/qwidgetsvariant/tst_qwidgetsvariant.cpp
@@ -149,7 +149,7 @@ void tst_QWidgetsVariant::writeToReadFromDataStream()
 class CustomQWidget : public QWidget {
     Q_OBJECT
 public:
-    CustomQWidget(QWidget *parent = 0) : QWidget(parent) {}
+    CustomQWidget(QWidget *parent = nullptr) : QWidget(parent) {}
 };
 
 void tst_QWidgetsVariant::qvariant_cast_QObject_data()