Doc snippets: Use nullptr instead of 0 literal

Also mark constructors explicit, where applicable.

Pick-to: 5.15
Fixes: QTBUG-84859
Change-Id: I145d366d854fd6b4373bcc23d0b880d6361d9014
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gui/doc/snippets/textdocument-imagedrop/textedit.h b/src/gui/doc/snippets/textdocument-imagedrop/textedit.h
index 3f570884ba..5db7dd0ad7 100644
--- a/src/gui/doc/snippets/textdocument-imagedrop/textedit.h
+++ b/src/gui/doc/snippets/textdocument-imagedrop/textedit.h
@@ -58,7 +58,7 @@ class TextEdit : public QTextEdit
     Q_OBJECT
 
 public:
-    TextEdit(QWidget *parent=0);
+    explicit TextEdit(QWidget *parent = nullptr);
     bool canInsertFromMimeData( const QMimeData *source ) const override;
     void insertFromMimeData( const QMimeData *source ) override;
 };