Cleanup Spreadsheet example

Cleanup the Spreadsheet example:
 - use nullptr
 - use for instead foreach

Change-Id: I55deed157403a46d98a6d753ef46e4cbe5730b4f
Reviewed-by: Luca Beldi <v.ronin@yahoo.it>
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
Reviewed-by: Sze Howe Koh <szehowe.koh@gmail.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/examples/widgets/itemviews/spreadsheet/spreadsheetitem.h b/examples/widgets/itemviews/spreadsheet/spreadsheetitem.h
index 46460df527..159f4a7eea 100644
--- a/examples/widgets/itemviews/spreadsheet/spreadsheetitem.h
+++ b/examples/widgets/itemviews/spreadsheet/spreadsheetitem.h
@@ -58,8 +58,7 @@
 class SpreadSheetItem : public QTableWidgetItem
 {
 public:
-    SpreadSheetItem();
-    SpreadSheetItem(const QString &text);
+    using QTableWidgetItem::QTableWidgetItem;
 
     QTableWidgetItem *clone() const override;
 
@@ -74,10 +73,10 @@ public:
 
     static QVariant computeFormula(const QString &formula,
                                    const QTableWidget *widget,
-                                   const QTableWidgetItem *self = 0);
+                                   const QTableWidgetItem *self = nullptr);
 
 private:
-    mutable bool isResolving;
+    mutable bool isResolving = false;
 };
 
 #endif // SPREADSHEETITEM_H