Make public headers compile with -Wzero-as-null-pointer-constant

... or equivalent.

QtBase 5.6 headers already compile that way, so let the other
modules follow suit.

Change-Id: I9e521f91abe7972843eeeb6406f8605778dabbaf
Task-number: QTBUG-45291
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>

6 files changed, 12 insertions, 12 deletions

diff --git a/Source/WebKit/qt/Api/qwebhistoryinterface.h b/Source/WebKit/qt/Api/qwebhistoryinterface.h
index a49c58684..81186aa38 100644
--- a/Source/WebKit/qt/Api/qwebhistoryinterface.h
+++ b/Source/WebKit/qt/Api/qwebhistoryinterface.h
@@ -29,7 +29,7 @@
 class QWEBKIT_EXPORT QWebHistoryInterface : public QObject {
     Q_OBJECT
 public:
-    QWebHistoryInterface(QObject *parent = 0);
+    QWebHistoryInterface(QObject *parent = Q_NULLPTR);
     ~QWebHistoryInterface();
 
     static void setDefaultInterface(QWebHistoryInterface *defaultInterface);
diff --git a/Source/WebKit/qt/Api/qwebpluginfactory.h b/Source/WebKit/qt/Api/qwebpluginfactory.h
index 24084fe18..26f855066 100644
--- a/Source/WebKit/qt/Api/qwebpluginfactory.h
+++ b/Source/WebKit/qt/Api/qwebpluginfactory.h
@@ -48,7 +48,7 @@ public:
         QList<MimeType> mimeTypes;
     };
 
-    explicit QWebPluginFactory(QObject* parent = 0);
+    explicit QWebPluginFactory(QObject* parent = Q_NULLPTR);
     virtual ~QWebPluginFactory();
 
     virtual QList<Plugin> plugins() const = 0;
@@ -62,7 +62,7 @@ public:
     {};
     class ExtensionReturn
     {};
-    virtual bool extension(Extension extension, const ExtensionOption* option = 0, ExtensionReturn* output = 0);
+    virtual bool extension(Extension extension, const ExtensionOption* option = Q_NULLPTR, ExtensionReturn* output = Q_NULLPTR);
     virtual bool supportsExtension(Extension extension) const;
 
 private:
diff --git a/Source/WebKit/qt/WidgetApi/qgraphicswebview.h b/Source/WebKit/qt/WidgetApi/qgraphicswebview.h
index c9e61f75a..0d990086f 100644
--- a/Source/WebKit/qt/WidgetApi/qgraphicswebview.h
+++ b/Source/WebKit/qt/WidgetApi/qgraphicswebview.h
@@ -54,7 +54,7 @@ class QWEBKITWIDGETS_EXPORT QGraphicsWebView : public QGraphicsWidget {
     Q_FLAGS(QPainter::RenderHints)
 
 public:
-    explicit QGraphicsWebView(QGraphicsItem* parent = 0);
+    explicit QGraphicsWebView(QGraphicsItem* parent = Q_NULLPTR);
     ~QGraphicsWebView();
 
     QWebPage* page() const;
@@ -84,7 +84,7 @@ public:
     QAction* pageAction(QWebPage::WebAction action) const;
     void triggerPageAction(QWebPage::WebAction action, bool checked = false);
 
-    bool findText(const QString& subString, QWebPage::FindFlags options = 0);
+    bool findText(const QString& subString, QWebPage::FindFlags options = QWebPage::FindFlags());
 
     bool resizesToContents() const;
     void setResizesToContents(bool enabled);
@@ -94,7 +94,7 @@ public:
 
     virtual void setGeometry(const QRectF& rect);
     virtual void updateGeometry();
-    virtual void paint(QPainter*, const QStyleOptionGraphicsItem* options, QWidget* widget = 0);
+    virtual void paint(QPainter*, const QStyleOptionGraphicsItem* options, QWidget* widget = Q_NULLPTR);
     virtual QVariant itemChange(GraphicsItemChange change, const QVariant& value);
     virtual bool event(QEvent*);
 
diff --git a/Source/WebKit/qt/WidgetApi/qwebinspector.h b/Source/WebKit/qt/WidgetApi/qwebinspector.h
index c333fa25a..3fcb853f7 100644
--- a/Source/WebKit/qt/WidgetApi/qwebinspector.h
+++ b/Source/WebKit/qt/WidgetApi/qwebinspector.h
@@ -30,7 +30,7 @@ class QWebInspectorPrivate;
 class QWEBKITWIDGETS_EXPORT QWebInspector : public QWidget {
     Q_OBJECT
 public:
-    QWebInspector(QWidget* parent = 0);
+    QWebInspector(QWidget* parent = Q_NULLPTR);
     ~QWebInspector();
 
     void setPage(QWebPage* page);
diff --git a/Source/WebKit/qt/WidgetApi/qwebpage.h b/Source/WebKit/qt/WidgetApi/qwebpage.h
index 24fe1383e..a9c71fd42 100644
--- a/Source/WebKit/qt/WidgetApi/qwebpage.h
+++ b/Source/WebKit/qt/WidgetApi/qwebpage.h
@@ -265,7 +265,7 @@ public:
     };
 
 
-    explicit QWebPage(QObject *parent = 0);
+    explicit QWebPage(QObject *parent = Q_NULLPTR);
     ~QWebPage();
 
     QWebFrame *mainFrame() const;
@@ -317,7 +317,7 @@ public:
 
     QVariant inputMethodQuery(Qt::InputMethodQuery property) const;
 
-    bool findText(const QString &subString, FindFlags options = 0);
+    bool findText(const QString &subString, FindFlags options = FindFlags());
 
     void setForwardUnsupportedContent(bool forward);
     bool forwardUnsupportedContent() const;
@@ -383,7 +383,7 @@ public:
     };
 
 
-    virtual bool extension(Extension extension, const ExtensionOption *option = 0, ExtensionReturn *output = 0);
+    virtual bool extension(Extension extension, const ExtensionOption *option = Q_NULLPTR, ExtensionReturn *output = Q_NULLPTR);
     virtual bool supportsExtension(Extension extension) const;
 
     QWebPageAdapter* handle() const;
diff --git a/Source/WebKit/qt/WidgetApi/qwebview.h b/Source/WebKit/qt/WidgetApi/qwebview.h
index 43439dfa5..ac0946773 100644
--- a/Source/WebKit/qt/WidgetApi/qwebview.h
+++ b/Source/WebKit/qt/WidgetApi/qwebview.h
@@ -54,7 +54,7 @@ class QWEBKITWIDGETS_EXPORT QWebView : public QWidget {
     Q_PROPERTY(QPainter::RenderHints renderHints READ renderHints WRITE setRenderHints)
     Q_FLAGS(QPainter::RenderHints)
 public:
-    explicit QWebView(QWidget* parent = 0);
+    explicit QWebView(QWidget* parent = Q_NULLPTR);
     virtual ~QWebView();
 
     QWebPage* page() const;
@@ -104,7 +104,7 @@ public:
     void setRenderHints(QPainter::RenderHints hints);
     void setRenderHint(QPainter::RenderHint hint, bool enabled = true);
 
-    bool findText(const QString& subString, QWebPage::FindFlags options = 0);
+    bool findText(const QString& subString, QWebPage::FindFlags options = QWebPage::FindFlags());
 
     virtual bool event(QEvent*);