Cleanup Widgets examples - foreach

Cleanup the Widgets examples - replace foreach with range-based for loop
in graphicsview subdirectory

Change-Id: I9093b3ae89d73d0b860d29929943881c90074bce
Reviewed-by: Luca Beldi <v.ronin@yahoo.it>
Reviewed-by: Paul Wicking <paul.wicking@qt.io>

2 files changed, 10 insertions, 7 deletions

diff --git a/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp b/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
index 81928a4ee1..6b817b2a21 100644
--- a/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
+++ b/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
@@ -164,16 +164,17 @@ void GraphWidget::timerEvent(QTimerEvent *event)
     Q_UNUSED(event);
 
     QList<Node *> nodes;
-    foreach (QGraphicsItem *item, scene()->items()) {
+    const QList<QGraphicsItem *> items = scene()->items();
+    for (QGraphicsItem *item : items) {
         if (Node *node = qgraphicsitem_cast<Node *>(item))
             nodes << node;
     }
 
-    foreach (Node *node, nodes)
+    for (Node *node : qAsConst(nodes))
         node->calculateForces();
 
     bool itemsMoved = false;
-    foreach (Node *node, nodes) {
+    for (Node *node : qAsConst(nodes)) {
         if (node->advancePosition())
             itemsMoved = true;
     }
@@ -246,7 +247,8 @@ void GraphWidget::scaleView(qreal scaleFactor)
 
 void GraphWidget::shuffle()
 {
-    foreach (QGraphicsItem *item, scene()->items()) {
+    const QList<QGraphicsItem *> items = scene()->items();
+    for (QGraphicsItem *item : items) {
         if (qgraphicsitem_cast<Node *>(item))
             item->setPos(-150 + QRandomGenerator::global()->bounded(300), -150 + QRandomGenerator::global()->bounded(300));
     }
diff --git a/examples/widgets/graphicsview/elasticnodes/node.cpp b/examples/widgets/graphicsview/elasticnodes/node.cpp
index 71737c984b..d4fa3d2b4f 100644
--- a/examples/widgets/graphicsview/elasticnodes/node.cpp
+++ b/examples/widgets/graphicsview/elasticnodes/node.cpp
@@ -94,7 +94,8 @@ void Node::calculateForces()
     // Sum up all forces pushing this item away
     qreal xvel = 0;
     qreal yvel = 0;
-    foreach (QGraphicsItem *item, scene()->items()) {
+    const QList<QGraphicsItem *> items = scene()->items();
+    for (QGraphicsItem *item : items) {
         Node *node = qgraphicsitem_cast<Node *>(item);
         if (!node)
             continue;
@@ -113,7 +114,7 @@ void Node::calculateForces()
 //! [4]
     // Now subtract all forces pulling items together
     double weight = (edgeList.size() + 1) * 10;
-    foreach (Edge *edge, edgeList) {
+    for (const Edge *edge : qAsConst(edgeList)) {
         QPointF vec;
         if (edge->sourceNode() == this)
             vec = mapToItem(edge->destNode(), 0, 0);
@@ -194,7 +195,7 @@ QVariant Node::itemChange(GraphicsItemChange change, const QVariant &value)
 {
     switch (change) {
     case ItemPositionHasChanged:
-        foreach (Edge *edge, edgeList)
+        for (Edge *edge : qAsConst(edgeList))
             edge->adjust();
         graph->itemMoved();
         break;