ItemWidgets: add helper function to retrieve the underlying model

Add a new function to return the underlying model to avoid code
duplication and make the code more readable. Also replace some 0 with
nullptr.

Change-Id: I1ca33de6f26b4e36f46ce7d2eacc45d0799478a3
Reviewed-by: Konstantin Shegunov <kshegunov@gmail.com>
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>

1 files changed, 5 insertions, 3 deletions

diff --git a/src/widgets/itemviews/qlistwidget.h b/src/widgets/itemviews/qlistwidget.h
index d3b27d201a..e96f639502 100644
--- a/src/widgets/itemviews/qlistwidget.h
+++ b/src/widgets/itemviews/qlistwidget.h
@@ -61,10 +61,10 @@ class Q_WIDGETS_EXPORT QListWidgetItem
     friend class QListWidget;
 public:
     enum ItemType { Type = 0, UserType = 1000 };
-    explicit QListWidgetItem(QListWidget *view = nullptr, int type = Type);
-    explicit QListWidgetItem(const QString &text, QListWidget *view = nullptr, int type = Type);
+    explicit QListWidgetItem(QListWidget *listview = nullptr, int type = Type);
+    explicit QListWidgetItem(const QString &text, QListWidget *listview = nullptr, int type = Type);
     explicit QListWidgetItem(const QIcon &icon, const QString &text,
-                             QListWidget *view = nullptr, int type = Type);
+                             QListWidget *listview = nullptr, int type = Type);
     QListWidgetItem(const QListWidgetItem &other);
     virtual ~QListWidgetItem();
 
@@ -166,6 +166,8 @@ public:
     inline int type() const { return rtti; }
 
 private:
+    QListModel *listModel() const;
+private:
     int rtti;
     QVector<void *> dummy;
     QListWidget *view;