More nullptr usage in headers

Diff generated by running clang-tidy's modernize-use-nullptr checker on
the CMake-based Qt version.

Skipping src/3rdparty, examples/, tests/

Change-Id: Ib182074e2e2fd52f63093f73b3e2e4c0cb7af188
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

6 files changed, 21 insertions, 21 deletions

diff --git a/src/widgets/dialogs/qdialog_p.h b/src/widgets/dialogs/qdialog_p.h
index 92634f6793..77f9fae09a 100644
--- a/src/widgets/dialogs/qdialog_p.h
+++ b/src/widgets/dialogs/qdialog_p.h
@@ -75,15 +75,15 @@ public:
     QDialogPrivate()
         :
 #if QT_CONFIG(pushbutton)
-          mainDef(0),
+          mainDef(nullptr),
 #endif
-          orientation(Qt::Horizontal),extension(0), doShowExtension(false),
+          orientation(Qt::Horizontal),extension(nullptr), doShowExtension(false),
 #if QT_CONFIG(sizegrip)
-          resizer(0),
+          resizer(nullptr),
           sizeGripEnabled(false),
 #endif
-          rescode(0), resetModalityTo(-1), wasModalitySet(true), eventLoop(0),
-          nativeDialogInUse(false), m_platformHelper(0), m_platformHelperCreated(false)
+          rescode(0), resetModalityTo(-1), wasModalitySet(true), eventLoop(nullptr),
+          nativeDialogInUse(false), m_platformHelper(nullptr), m_platformHelperCreated(false)
         {}
     ~QDialogPrivate();
 
diff --git a/src/widgets/dialogs/qfiledialog_p.h b/src/widgets/dialogs/qfiledialog_p.h
index 463c77aa23..7e53b61031 100644
--- a/src/widgets/dialogs/qfiledialog_p.h
+++ b/src/widgets/dialogs/qfiledialog_p.h
@@ -98,7 +98,7 @@ class QPlatformDialogHelper;
 
 struct QFileDialogArgs
 {
-    QFileDialogArgs() : parent(0), mode(QFileDialog::AnyFile) {}
+    QFileDialogArgs() : parent(nullptr), mode(QFileDialog::AnyFile) {}
 
     QWidget *parent;
     QString caption;
@@ -292,7 +292,7 @@ private:
 class QFileDialogLineEdit : public QLineEdit
 {
 public:
-    QFileDialogLineEdit(QWidget *parent = 0) : QLineEdit(parent), d_ptr(0){}
+    QFileDialogLineEdit(QWidget *parent = nullptr) : QLineEdit(parent), d_ptr(nullptr){}
     void setFileDialogPrivate(QFileDialogPrivate *d_pointer) {d_ptr = d_pointer; }
     void keyPressEvent(QKeyEvent *e) override;
     bool hideOnEsc;
@@ -303,7 +303,7 @@ private:
 class QFileDialogComboBox : public QComboBox
 {
 public:
-    QFileDialogComboBox(QWidget *parent = 0) : QComboBox(parent), urlModel(0) {}
+    QFileDialogComboBox(QWidget *parent = nullptr) : QComboBox(parent), urlModel(nullptr) {}
     void setFileDialogPrivate(QFileDialogPrivate *d_pointer);
     void showPopup() override;
     void setHistory(const QStringList &paths);
@@ -319,7 +319,7 @@ private:
 class QFileDialogListView : public QListView
 {
 public:
-    QFileDialogListView(QWidget *parent = 0);
+    QFileDialogListView(QWidget *parent = nullptr);
     void setFileDialogPrivate(QFileDialogPrivate *d_pointer);
     QSize sizeHint() const override;
 protected:
diff --git a/src/widgets/dialogs/qfileinfogatherer_p.h b/src/widgets/dialogs/qfileinfogatherer_p.h
index 134a14b7ce..795f60249f 100644
--- a/src/widgets/dialogs/qfileinfogatherer_p.h
+++ b/src/widgets/dialogs/qfileinfogatherer_p.h
@@ -166,7 +166,7 @@ Q_SIGNALS:
     void directoryLoaded(const QString &path);
 
 public:
-    explicit QFileInfoGatherer(QObject *parent = 0);
+    explicit QFileInfoGatherer(QObject *parent = nullptr);
     ~QFileInfoGatherer();
 
 #if QT_CONFIG(filesystemwatcher) && defined(Q_OS_WIN)
diff --git a/src/widgets/dialogs/qfilesystemmodel_p.h b/src/widgets/dialogs/qfilesystemmodel_p.h
index 9c432e1ae6..d8f9f2b076 100644
--- a/src/widgets/dialogs/qfilesystemmodel_p.h
+++ b/src/widgets/dialogs/qfilesystemmodel_p.h
@@ -99,13 +99,13 @@ public:
     class QFileSystemNode
     {
     public:
-        explicit QFileSystemNode(const QString &filename = QString(), QFileSystemNode *p = 0)
-            : fileName(filename), populatedChildren(false), isVisible(false), dirtyChildrenIndex(-1), parent(p), info(0) {}
+        explicit QFileSystemNode(const QString &filename = QString(), QFileSystemNode *p = nullptr)
+            : fileName(filename), populatedChildren(false), isVisible(false), dirtyChildrenIndex(-1), parent(p), info(nullptr) {}
         ~QFileSystemNode() {
             qDeleteAll(children);
             delete info;
-            info = 0;
-            parent = 0;
+            info = nullptr;
+            parent = nullptr;
         }
 
         QString fileName;
@@ -116,7 +116,7 @@ public:
         inline qint64 size() const { if (info && !info->isDir()) return info->size(); return 0; }
         inline QString type() const { if (info) return info->displayType; return QLatin1String(""); }
         inline QDateTime lastModified() const { if (info) return info->lastModified(); return QDateTime(); }
-        inline QFile::Permissions permissions() const { if (info) return info->permissions(); return 0; }
+        inline QFile::Permissions permissions() const { if (info) return info->permissions(); return nullptr; }
         inline bool isReadable() const { return ((permissions() & QFile::ReadUser) != 0); }
         inline bool isWritable() const { return ((permissions() & QFile::WriteUser) != 0); }
         inline bool isExecutable() const { return ((permissions() & QFile::ExeUser) != 0); }
@@ -162,7 +162,7 @@ public:
             return info && (*info == fileInfo);
         }
 
-        inline bool hasInformation() const { return info != 0; }
+        inline bool hasInformation() const { return info != nullptr; }
 
         void populate(const QExtendedInformation &fileInfo) {
             if (!info)
diff --git a/src/widgets/dialogs/qfscompleter_p.h b/src/widgets/dialogs/qfscompleter_p.h
index 3b829d4a52..f5110a7622 100644
--- a/src/widgets/dialogs/qfscompleter_p.h
+++ b/src/widgets/dialogs/qfscompleter_p.h
@@ -64,8 +64,8 @@ QT_BEGIN_NAMESPACE
   */
 class Q_WIDGETS_EXPORT QFSCompleter :  public QCompleter {
 public:
-    explicit QFSCompleter(QFileSystemModel *model, QObject *parent = 0)
-        : QCompleter(model, parent), proxyModel(0), sourceModel(model)
+    explicit QFSCompleter(QFileSystemModel *model, QObject *parent = nullptr)
+        : QCompleter(model, parent), proxyModel(nullptr), sourceModel(model)
     {
 #if defined(Q_OS_WIN)
         setCaseSensitivity(Qt::CaseInsensitive);
diff --git a/src/widgets/dialogs/qsidebar_p.h b/src/widgets/dialogs/qsidebar_p.h
index 4a82f88878..6056f19452 100644
--- a/src/widgets/dialogs/qsidebar_p.h
+++ b/src/widgets/dialogs/qsidebar_p.h
@@ -67,7 +67,7 @@ class QFileSystemModel;
 class QSideBarDelegate : public QStyledItemDelegate
 {
  public:
-     QSideBarDelegate(QWidget *parent = 0) : QStyledItemDelegate(parent) {}
+     QSideBarDelegate(QWidget *parent = nullptr) : QStyledItemDelegate(parent) {}
      void initStyleOption(QStyleOptionViewItem *option,
                           const QModelIndex &index) const override;
 };
@@ -82,7 +82,7 @@ public:
         EnabledRole = Qt::UserRole + 2
     };
 
-    QUrlModel(QObject *parent = 0);
+    QUrlModel(QObject *parent = nullptr);
 
     QStringList mimeTypes() const override;
     QMimeData *mimeData(const QModelIndexList &indexes) const override;
@@ -127,7 +127,7 @@ Q_SIGNALS:
     void goToUrl(const QUrl &url);
 
 public:
-    QSidebar(QWidget *parent = 0);
+    QSidebar(QWidget *parent = nullptr);
     void setModelAndUrls(QFileSystemModel *model, const QList<QUrl> &newUrls);
     ~QSidebar();