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>

3 files changed, 4 insertions, 4 deletions

diff --git a/src/platformsupport/themes/genericunix/dbusmenu/qdbusmenuconnection_p.h b/src/platformsupport/themes/genericunix/dbusmenu/qdbusmenuconnection_p.h
index c7c3f4bc5b..565af6c947 100644
--- a/src/platformsupport/themes/genericunix/dbusmenu/qdbusmenuconnection_p.h
+++ b/src/platformsupport/themes/genericunix/dbusmenu/qdbusmenuconnection_p.h
@@ -67,7 +67,7 @@ class QDBusMenuConnection : public QObject
     Q_OBJECT
 
 public:
-    QDBusMenuConnection(QObject *parent = 0, const QString &serviceName = QString());
+    QDBusMenuConnection(QObject *parent = nullptr, const QString &serviceName = QString());
     QDBusConnection connection() const { return m_connection; }
     QDBusServiceWatcher *dbusWatcher() const { return m_dbusWatcher; }
     bool isStatusNotifierHostRegistered() const { return m_statusNotifierHostRegistered; }
diff --git a/src/platformsupport/themes/genericunix/dbustray/qxdgnotificationproxy_p.h b/src/platformsupport/themes/genericunix/dbustray/qxdgnotificationproxy_p.h
index 352b4aa5d6..ab99ea65dd 100644
--- a/src/platformsupport/themes/genericunix/dbustray/qxdgnotificationproxy_p.h
+++ b/src/platformsupport/themes/genericunix/dbustray/qxdgnotificationproxy_p.h
@@ -88,7 +88,7 @@ public:
 
 public:
     QXdgNotificationInterface(const QString &service, const QString &path,
-                              const QDBusConnection &connection, QObject *parent = 0);
+                              const QDBusConnection &connection, QObject *parent = nullptr);
 
     ~QXdgNotificationInterface();
 
diff --git a/src/platformsupport/themes/genericunix/qgenericunixthemes_p.h b/src/platformsupport/themes/genericunix/qgenericunixthemes_p.h
index a5963b79ea..c0da9d8370 100644
--- a/src/platformsupport/themes/genericunix/qgenericunixthemes_p.h
+++ b/src/platformsupport/themes/genericunix/qgenericunixthemes_p.h
@@ -109,7 +109,7 @@ public:
     QVariant themeHint(ThemeHint hint) const override;
 
     QIcon fileIcon(const QFileInfo &fileInfo,
-                   QPlatformTheme::IconOptions iconOptions = 0) const override;
+                   QPlatformTheme::IconOptions iconOptions = nullptr) const override;
 
     const QPalette *palette(Palette type = SystemPalette) const override;
 
@@ -134,7 +134,7 @@ public:
     QGnomeTheme();
     QVariant themeHint(ThemeHint hint) const override;
     QIcon fileIcon(const QFileInfo &fileInfo,
-                   QPlatformTheme::IconOptions = 0) const override;
+                   QPlatformTheme::IconOptions = nullptr) const override;
     const QFont *font(Font type) const override;
     QString standardButtonText(int button) const override;