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>

1 files changed, 4 insertions, 4 deletions

diff --git a/src/widgets/effects/qpixmapfilter_p.h b/src/widgets/effects/qpixmapfilter_p.h
index 0f582bde60..c56acb8a24 100644
--- a/src/widgets/effects/qpixmapfilter_p.h
+++ b/src/widgets/effects/qpixmapfilter_p.h
@@ -100,7 +100,7 @@ class Q_WIDGETS_EXPORT QPixmapConvolutionFilter : public QPixmapFilter
     Q_DECLARE_PRIVATE(QPixmapConvolutionFilter)
 
 public:
-    QPixmapConvolutionFilter(QObject *parent = 0);
+    QPixmapConvolutionFilter(QObject *parent = nullptr);
     ~QPixmapConvolutionFilter();
 
     void setConvolutionKernel(const qreal *matrix, int rows, int columns);
@@ -124,7 +124,7 @@ class Q_WIDGETS_EXPORT QPixmapBlurFilter : public QPixmapFilter
     Q_DECLARE_PRIVATE(QPixmapBlurFilter)
 
 public:
-    QPixmapBlurFilter(QObject *parent = 0);
+    QPixmapBlurFilter(QObject *parent = nullptr);
     ~QPixmapBlurFilter();
 
     void setRadius(qreal radius);
@@ -148,7 +148,7 @@ class Q_WIDGETS_EXPORT QPixmapColorizeFilter : public QPixmapFilter
     Q_DECLARE_PRIVATE(QPixmapColorizeFilter)
 
 public:
-    QPixmapColorizeFilter(QObject *parent = 0);
+    QPixmapColorizeFilter(QObject *parent = nullptr);
     ~QPixmapColorizeFilter();
 
     void setColor(const QColor& color);
@@ -168,7 +168,7 @@ class Q_WIDGETS_EXPORT QPixmapDropShadowFilter : public QPixmapFilter
     Q_DECLARE_PRIVATE(QPixmapDropShadowFilter)
 
 public:
-    QPixmapDropShadowFilter(QObject *parent = 0);
+    QPixmapDropShadowFilter(QObject *parent = nullptr);
     ~QPixmapDropShadowFilter();
 
     QRectF boundingRectFor(const QRectF &rect) const override;