Cleanup Widgets examples - nullptr

Cleanup the widgets examples - replace 0 with nullptr

Change-Id: Id4bf119b9a41f6d10117f3a613a6e604128fa196
Reviewed-by: Konstantin Shegunov <kshegunov@gmail.com>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Paul Wicking <paul.wicking@qt.io>

1 files changed, 2 insertions, 3 deletions

diff --git a/examples/widgets/layouts/flowlayout/flowlayout.cpp b/examples/widgets/layouts/flowlayout/flowlayout.cpp
index 9203da0ba1..b7064d98b1 100644
--- a/examples/widgets/layouts/flowlayout/flowlayout.cpp
+++ b/examples/widgets/layouts/flowlayout/flowlayout.cpp
@@ -116,8 +116,7 @@ QLayoutItem *FlowLayout::takeAt(int index)
 {
     if (index >= 0 && index < itemList.size())
         return itemList.takeAt(index);
-    else
-        return 0;
+    return nullptr;
 }
 //! [5]
 
@@ -215,7 +214,7 @@ int FlowLayout::smartSpacing(QStyle::PixelMetric pm) const
         return -1;
     } else if (parent->isWidgetType()) {
         QWidget *pw = static_cast<QWidget *>(parent);
-        return pw->style()->pixelMetric(pm, 0, pw);
+        return pw->style()->pixelMetric(pm, nullptr, pw);
     } else {
         return static_cast<QLayout *>(parent)->spacing();
     }