From 6f4bc3942dda076eedf38d8c8604eb4fa5d7bd3b Mon Sep 17 00:00:00 2001
From: Christian Ehrlicher <ch.ehrlicher@gmx.de>
Date: Sun, 1 Sep 2019 17:12:01 +0200
Subject: Widgets/GraphicsView examples: cleanup

Cleanup GraphicsView examples with the help of clang-tidy
 - modernize-use-nullptr
 - modernize-use-default-member-init
 - modernize-use-override.IgnoreDestructors
 - Some QList -> QVector changes
 - use nullptr
 - use normalized includes, remove unused includes
 - fix style

Change-Id: I79347e55bfde52f6ae7749cc7093fbd442044020
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
---
 examples/widgets/graphicsview/elasticnodes/graphwidget.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'examples/widgets/graphicsview/elasticnodes/graphwidget.cpp')

diff --git a/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp b/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
index 9341d77f8d..a067f82ad7 100644
--- a/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
+++ b/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
@@ -59,7 +59,7 @@
 
 //! [0]
 GraphWidget::GraphWidget(QWidget *parent)
-    : QGraphicsView(parent), timerId(0)
+    : QGraphicsView(parent) 
 {
     QGraphicsScene *scene = new QGraphicsScene(this);
     scene->setItemIndexMethod(QGraphicsScene::NoIndex);
@@ -163,7 +163,7 @@ void GraphWidget::timerEvent(QTimerEvent *event)
 {
     Q_UNUSED(event);
 
-    QList<Node *> nodes;
+    QVector<Node *> nodes;
     const QList<QGraphicsItem *> items = scene()->items();
     for (QGraphicsItem *item : items) {
         if (Node *node = qgraphicsitem_cast<Node *>(item))
@@ -190,7 +190,7 @@ void GraphWidget::timerEvent(QTimerEvent *event)
 //! [5]
 void GraphWidget::wheelEvent(QWheelEvent *event)
 {
-    scaleView(pow((double)2, -event->angleDelta().y() / 240.0));
+    scaleView(pow(2., -event->angleDelta().y() / 240.0));
 }
 //! [5]
 #endif
-- 
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