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>

20 files changed, 24 insertions, 24 deletions

diff --git a/src/platformsupport/devicediscovery/qdevicediscovery_p.h b/src/platformsupport/devicediscovery/qdevicediscovery_p.h
index b1ce14b5c3..f1f50e9708 100644
--- a/src/platformsupport/devicediscovery/qdevicediscovery_p.h
+++ b/src/platformsupport/devicediscovery/qdevicediscovery_p.h
@@ -86,7 +86,7 @@ public:
     Q_ENUM(QDeviceType)
     Q_DECLARE_FLAGS(QDeviceTypes, QDeviceType)
 
-    static QDeviceDiscovery *create(QDeviceTypes type, QObject *parent = 0);
+    static QDeviceDiscovery *create(QDeviceTypes type, QObject *parent = nullptr);
 
     virtual QStringList scanConnectedDevices() = 0;
 
diff --git a/src/platformsupport/devicediscovery/qdevicediscovery_udev_p.h b/src/platformsupport/devicediscovery/qdevicediscovery_udev_p.h
index 28618d0b21..82b475776d 100644
--- a/src/platformsupport/devicediscovery/qdevicediscovery_udev_p.h
+++ b/src/platformsupport/devicediscovery/qdevicediscovery_udev_p.h
@@ -61,7 +61,7 @@ class QDeviceDiscoveryUDev : public QDeviceDiscovery
     Q_OBJECT
 
 public:
-    QDeviceDiscoveryUDev(QDeviceTypes types, struct udev *udev, QObject *parent = 0);
+    QDeviceDiscoveryUDev(QDeviceTypes types, struct udev *udev, QObject *parent = nullptr);
     ~QDeviceDiscoveryUDev();
     QStringList scanConnectedDevices() override;
 
diff --git a/src/platformsupport/eglconvenience/qeglpbuffer_p.h b/src/platformsupport/eglconvenience/qeglpbuffer_p.h
index 0285e067a6..8ad2eb7248 100644
--- a/src/platformsupport/eglconvenience/qeglpbuffer_p.h
+++ b/src/platformsupport/eglconvenience/qeglpbuffer_p.h
@@ -60,7 +60,7 @@ class QEGLPbuffer : public QPlatformOffscreenSurface
 {
 public:
     QEGLPbuffer(EGLDisplay display, const QSurfaceFormat &format, QOffscreenSurface *offscreenSurface,
-                QEGLPlatformContext::Flags flags = 0);
+                QEGLPlatformContext::Flags flags = nullptr);
     ~QEGLPbuffer();
 
     QSurfaceFormat format() const override { return m_format; }
diff --git a/src/platformsupport/eglconvenience/qeglplatformcontext_p.h b/src/platformsupport/eglconvenience/qeglplatformcontext_p.h
index d6cbbe4131..ed77c57df5 100644
--- a/src/platformsupport/eglconvenience/qeglplatformcontext_p.h
+++ b/src/platformsupport/eglconvenience/qeglplatformcontext_p.h
@@ -68,8 +68,8 @@ public:
     Q_DECLARE_FLAGS(Flags, Flag)
 
     QEGLPlatformContext(const QSurfaceFormat &format, QPlatformOpenGLContext *share, EGLDisplay display,
-                        EGLConfig *config = 0, const QVariant &nativeHandle = QVariant(),
-                        Flags flags = 0);
+                        EGLConfig *config = nullptr, const QVariant &nativeHandle = QVariant(),
+                        Flags flags = nullptr);
     ~QEGLPlatformContext();
 
     void initialize() override;
diff --git a/src/platformsupport/eventdispatchers/qeventdispatcher_glib_p.h b/src/platformsupport/eventdispatchers/qeventdispatcher_glib_p.h
index 085a1c52f3..b9254d3071 100644
--- a/src/platformsupport/eventdispatchers/qeventdispatcher_glib_p.h
+++ b/src/platformsupport/eventdispatchers/qeventdispatcher_glib_p.h
@@ -64,7 +64,7 @@ class QPAEventDispatcherGlib : public QEventDispatcherGlib
     Q_DECLARE_PRIVATE(QPAEventDispatcherGlib)
 
 public:
-    explicit QPAEventDispatcherGlib(QObject *parent = 0);
+    explicit QPAEventDispatcherGlib(QObject *parent = nullptr);
     ~QPAEventDispatcherGlib();
 
     bool processEvents(QEventLoop::ProcessEventsFlags flags) override;
@@ -77,7 +77,7 @@ class QPAEventDispatcherGlibPrivate : public QEventDispatcherGlibPrivate
 {
     Q_DECLARE_PUBLIC(QPAEventDispatcherGlib)
 public:
-    QPAEventDispatcherGlibPrivate(GMainContext *context = 0);
+    QPAEventDispatcherGlibPrivate(GMainContext *context = nullptr);
     GUserEventSource *userEventSource;
 };
 
diff --git a/src/platformsupport/eventdispatchers/qunixeventdispatcher_qpa_p.h b/src/platformsupport/eventdispatchers/qunixeventdispatcher_qpa_p.h
index 7f775b73ee..8157b8793d 100644
--- a/src/platformsupport/eventdispatchers/qunixeventdispatcher_qpa_p.h
+++ b/src/platformsupport/eventdispatchers/qunixeventdispatcher_qpa_p.h
@@ -61,7 +61,7 @@ class QUnixEventDispatcherQPA : public QEventDispatcherUNIX
     Q_OBJECT
 
 public:
-    explicit QUnixEventDispatcherQPA(QObject *parent = 0);
+    explicit QUnixEventDispatcherQPA(QObject *parent = nullptr);
     ~QUnixEventDispatcherQPA();
 
     bool processEvents(QEventLoop::ProcessEventsFlags flags);
diff --git a/src/platformsupport/fbconvenience/qfbvthandler_p.h b/src/platformsupport/fbconvenience/qfbvthandler_p.h
index 17d07317b2..d565ec3632 100644
--- a/src/platformsupport/fbconvenience/qfbvthandler_p.h
+++ b/src/platformsupport/fbconvenience/qfbvthandler_p.h
@@ -63,7 +63,7 @@ class QFbVtHandler : public QObject
     Q_OBJECT
 
 public:
-    QFbVtHandler(QObject *parent = 0);
+    QFbVtHandler(QObject *parent = nullptr);
     ~QFbVtHandler();
 
 signals:
diff --git a/src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h b/src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h
index d498b0ac8b..2d1d5e6572 100644
--- a/src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h
+++ b/src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h
@@ -268,7 +268,7 @@ private:
     inline bool isScalableBitmap() const { return freetype->isScalableBitmap(); }
 
     inline Glyph *loadGlyph(uint glyph, QFixed subPixelPosition, GlyphFormat format = Format_None, bool fetchMetricsOnly = false, bool disableOutlineDrawing = false) const
-    { return loadGlyph(cacheEnabled ? &defaultGlyphSet : 0, glyph, subPixelPosition, format, fetchMetricsOnly, disableOutlineDrawing); }
+    { return loadGlyph(cacheEnabled ? &defaultGlyphSet : nullptr, glyph, subPixelPosition, format, fetchMetricsOnly, disableOutlineDrawing); }
     Glyph *loadGlyph(QGlyphSet *set, uint glyph, QFixed subPixelPosition, GlyphFormat = Format_None, bool fetchMetricsOnly = false, bool disableOutlineDrawing = false) const;
     Glyph *loadGlyphFor(glyph_t g, QFixed subPixelPosition, GlyphFormat format, const QTransform &t, bool fetchBoundingBox = false, bool disableOutlineDrawing = false);
 
diff --git a/src/platformsupport/input/evdevkeyboard/qevdevkeyboardmanager_p.h b/src/platformsupport/input/evdevkeyboard/qevdevkeyboardmanager_p.h
index 326e438a7c..01b7e9fc0e 100644
--- a/src/platformsupport/input/evdevkeyboard/qevdevkeyboardmanager_p.h
+++ b/src/platformsupport/input/evdevkeyboard/qevdevkeyboardmanager_p.h
@@ -64,7 +64,7 @@ QT_BEGIN_NAMESPACE
 class QEvdevKeyboardManager : public QObject
 {
 public:
-    QEvdevKeyboardManager(const QString &key, const QString &specification, QObject *parent = 0);
+    QEvdevKeyboardManager(const QString &key, const QString &specification, QObject *parent = nullptr);
     ~QEvdevKeyboardManager();
 
     void loadKeymap(const QString &file);
diff --git a/src/platformsupport/input/evdevmouse/qevdevmousemanager_p.h b/src/platformsupport/input/evdevmouse/qevdevmousemanager_p.h
index 13a8e3dec5..c63ca29a71 100644
--- a/src/platformsupport/input/evdevmouse/qevdevmousemanager_p.h
+++ b/src/platformsupport/input/evdevmouse/qevdevmousemanager_p.h
@@ -65,7 +65,7 @@ class QDeviceDiscovery;
 class QEvdevMouseManager : public QObject
 {
 public:
-    QEvdevMouseManager(const QString &key, const QString &specification, QObject *parent = 0);
+    QEvdevMouseManager(const QString &key, const QString &specification, QObject *parent = nullptr);
     ~QEvdevMouseManager();
 
     void handleMouseEvent(int x, int y, bool abs, Qt::MouseButtons buttons,
diff --git a/src/platformsupport/input/evdevtablet/qevdevtablethandler_p.h b/src/platformsupport/input/evdevtablet/qevdevtablethandler_p.h
index 66e821117a..b83bb21258 100644
--- a/src/platformsupport/input/evdevtablet/qevdevtablethandler_p.h
+++ b/src/platformsupport/input/evdevtablet/qevdevtablethandler_p.h
@@ -64,7 +64,7 @@ class QEvdevTabletData;
 class QEvdevTabletHandler : public QObject
 {
 public:
-    explicit QEvdevTabletHandler(const QString &device, const QString &spec = QString(), QObject *parent = 0);
+    explicit QEvdevTabletHandler(const QString &device, const QString &spec = QString(), QObject *parent = nullptr);
     ~QEvdevTabletHandler();
 
     qint64 deviceId() const;
@@ -83,7 +83,7 @@ private:
 class QEvdevTabletHandlerThread : public QDaemonThread
 {
 public:
-    explicit QEvdevTabletHandlerThread(const QString &device, const QString &spec, QObject *parent = 0);
+    explicit QEvdevTabletHandlerThread(const QString &device, const QString &spec, QObject *parent = nullptr);
     ~QEvdevTabletHandlerThread();
     void run() override;
     QEvdevTabletHandler *handler() { return m_handler; }
diff --git a/src/platformsupport/input/evdevtablet/qevdevtabletmanager_p.h b/src/platformsupport/input/evdevtablet/qevdevtabletmanager_p.h
index cde91c55aa..b598156e52 100644
--- a/src/platformsupport/input/evdevtablet/qevdevtabletmanager_p.h
+++ b/src/platformsupport/input/evdevtablet/qevdevtabletmanager_p.h
@@ -63,7 +63,7 @@ class QEvdevTabletHandlerThread;
 class QEvdevTabletManager : public QObject
 {
 public:
-    QEvdevTabletManager(const QString &key, const QString &spec, QObject *parent = 0);
+    QEvdevTabletManager(const QString &key, const QString &spec, QObject *parent = nullptr);
     ~QEvdevTabletManager();
 
     void addDevice(const QString &deviceNode);
diff --git a/src/platformsupport/input/evdevtouch/qevdevtouchmanager_p.h b/src/platformsupport/input/evdevtouch/qevdevtouchmanager_p.h
index e524c516f1..b9b772fb3a 100644
--- a/src/platformsupport/input/evdevtouch/qevdevtouchmanager_p.h
+++ b/src/platformsupport/input/evdevtouch/qevdevtouchmanager_p.h
@@ -63,7 +63,7 @@ class QEvdevTouchScreenHandlerThread;
 class QEvdevTouchManager : public QObject
 {
 public:
-    QEvdevTouchManager(const QString &key, const QString &spec, QObject *parent = 0);
+    QEvdevTouchManager(const QString &key, const QString &spec, QObject *parent = nullptr);
     ~QEvdevTouchManager();
 
     void addDevice(const QString &deviceNode);
diff --git a/src/platformsupport/input/libinput/qlibinputtouch_p.h b/src/platformsupport/input/libinput/qlibinputtouch_p.h
index 6f88001d19..51304e6a21 100644
--- a/src/platformsupport/input/libinput/qlibinputtouch_p.h
+++ b/src/platformsupport/input/libinput/qlibinputtouch_p.h
@@ -73,7 +73,7 @@ public:
 
 private:
     struct DeviceState {
-        DeviceState() : m_touchDevice(0) { }
+        DeviceState() : m_touchDevice(nullptr) { }
         QWindowSystemInterface::TouchPoint *point(int32_t slot);
         QList<QWindowSystemInterface::TouchPoint> m_points;
         QTouchDevice *m_touchDevice;
diff --git a/src/platformsupport/linuxaccessibility/atspiadaptor_p.h b/src/platformsupport/linuxaccessibility/atspiadaptor_p.h
index b5704f53ad..0b624389a3 100644
--- a/src/platformsupport/linuxaccessibility/atspiadaptor_p.h
+++ b/src/platformsupport/linuxaccessibility/atspiadaptor_p.h
@@ -76,7 +76,7 @@ class AtSpiAdaptor :public QDBusVirtualObject
     Q_OBJECT
 
 public:
-    explicit AtSpiAdaptor(DBusConnection *connection, QObject *parent = 0);
+    explicit AtSpiAdaptor(DBusConnection *connection, QObject *parent = nullptr);
     ~AtSpiAdaptor();
 
     void registerApplication();
diff --git a/src/platformsupport/linuxaccessibility/cache_p.h b/src/platformsupport/linuxaccessibility/cache_p.h
index e8529b779b..cc55acc6f8 100644
--- a/src/platformsupport/linuxaccessibility/cache_p.h
+++ b/src/platformsupport/linuxaccessibility/cache_p.h
@@ -65,7 +65,7 @@ class QSpiDBusCache : public QObject
     Q_OBJECT
 
 public:
-    explicit QSpiDBusCache(QDBusConnection c, QObject* parent = 0);
+    explicit QSpiDBusCache(QDBusConnection c, QObject* parent = nullptr);
     void emitAddAccessible(const QSpiAccessibleCacheItem& item);
     void emitRemoveAccessible(const QSpiObjectReference& item);
 
diff --git a/src/platformsupport/linuxaccessibility/dbusconnection_p.h b/src/platformsupport/linuxaccessibility/dbusconnection_p.h
index 4030fabc22..860c18ca05 100644
--- a/src/platformsupport/linuxaccessibility/dbusconnection_p.h
+++ b/src/platformsupport/linuxaccessibility/dbusconnection_p.h
@@ -65,7 +65,7 @@ class DBusConnection : public QObject
     Q_OBJECT
 
 public:
-    DBusConnection(QObject *parent = 0);
+    DBusConnection(QObject *parent = nullptr);
     QDBusConnection connection() const;
     bool isEnabled() const { return m_enabled; }
 
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;