3 files changed, 22 insertions, 20 deletions
diff --git a/examples/widgets/itemviews/interview/main.cpp b/examples/widgets/itemviews/interview/main.cpp
index b95acbc18e..a272f67f40 100644
--- a/examples/widgets/itemviews/interview/main.cpp
+++ b/examples/widgets/itemviews/interview/main.cpp
@@ -42,11 +42,11 @@
 #include "model.h"
 
 #include <QApplication>
-#include <QTableView>
-#include <QTreeView>
+#include <QHeaderView>
 #include <QListView>
 #include <QSplitter>
-#include <QHeaderView>
+#include <QTableView>
+#include <QTreeView>
 
 int main(int argc, char *argv[])
 {
diff --git a/examples/widgets/itemviews/interview/model.cpp b/examples/widgets/itemviews/interview/model.cpp
index ef0057981b..e99eb477fb 100644
--- a/examples/widgets/itemviews/interview/model.cpp
+++ b/examples/widgets/itemviews/interview/model.cpp
@@ -40,6 +40,7 @@
 ****************************************************************************/
 
 #include "model.h"
+
 #include <QIcon>
 #include <QPixmap>
 
@@ -60,10 +61,10 @@ Model::~Model()
 QModelIndex Model::index(int row, int column, const QModelIndex &parent) const
 {
     if (row < rc && row >= 0 && column < cc && column >= 0) {
-        Node *p = static_cast<Node*>(parent.internalPointer());
-        Node *n = node(row, p);
-	if (n)
-	    return createIndex(row, column, n);
+        Node *parentNode = static_cast<Node*>(parent.internalPointer());
+        Node *childNode = node(row, parentNode);
+        if (childNode)
+            return createIndex(row, column, childNode);
     }
     return QModelIndex();
 }
@@ -71,10 +72,10 @@ QModelIndex Model::index(int row, int column, const QModelIndex &parent) const
 QModelIndex Model::parent(const QModelIndex &child) const
 {
     if (child.isValid()) {
-        Node *n = static_cast<Node*>(child.internalPointer());
-        Node *p = parent(n);
-        if (p)
-            return createIndex(row(p), 0, p);
+        Node *childNode = static_cast<Node*>(child.internalPointer());
+        Node *parentNode = parent(childNode);
+        if (parentNode)
+            return createIndex(row(parentNode), 0, parentNode);
     }
     return QModelIndex();
 }
@@ -130,7 +131,7 @@ Qt::ItemFlags Model::flags(const QModelIndex &index) const
 Model::Node *Model::node(int row, Node *parent) const
 {
     if (parent && !parent->children)
-	parent->children = new QVector<Node>(rc, Node(parent));
+        parent->children = new QVector<Node>(rc, Node(parent));
     QVector<Node> *v = parent ? parent->children : tree;
     return const_cast<Node*>(&(v->at(row)));
 }
@@ -142,6 +143,6 @@ Model::Node *Model::parent(Node *child) const
 
 int Model::row(Node *node) const
 {
-     const Node *first = node->parent ? &(node->parent->children->at(0)) : &(tree->at(0));
-     return (node - first);
+    const Node *first = node->parent ? &(node->parent->children->at(0)) : &(tree->at(0));
+    return node - first;
 }
diff --git a/examples/widgets/itemviews/interview/model.h b/examples/widgets/itemviews/interview/model.h
index dcbbc67d86..c6c8493aa6 100644
--- a/examples/widgets/itemviews/interview/model.h
+++ b/examples/widgets/itemviews/interview/model.h
@@ -71,10 +71,10 @@ private:
 
     struct Node
     {
-	Node(Node *parent = 0) : parent(parent), children(0) {}
-	~Node() { delete children; }
-	Node *parent;
-	QVector<Node> *children;
+        Node(Node *parent = 0) : parent(parent), children(0) {}
+        ~Node() { delete children; }
+        Node *parent;
+        QVector<Node> *children;
     };
 
     Node *node(int row, Node *parent) const;
@@ -82,9 +82,10 @@ private:
     int row(Node *node) const;
 
     QIcon services;
-    int rc, cc;
+    int rc;
+    int cc;
     QVector<Node> *tree;
     QFileIconProvider iconProvider;
 };
 
-#endif
+#endif // MODEL_H