QmlDesigner: Refactor NavigatorWidget::createToolBarWidgets

Change-Id: I92003bda65077a5f1f15e34e3aec46edac852c56
Reviewed-by: Marco Bubke <marco.bubke@digia.com>

src/plugins/qmldesigner/components/navigator/navigatorwidget.cpp

@@ -81,24 +81,24 @@ QList<QToolButton *> NavigatorWidget::createToolBarWidgets()
 {
     QList<QToolButton *> buttons;
 
-    buttons << new QToolButton();
+    buttons.append(new QToolButton());
     buttons.last()->setIcon(QIcon(":/navigator/icon/arrowleft.png"));
     buttons.last()->setToolTip(tr("Become last sibling of parent (CTRL + Left)."));
     buttons.last()->setShortcut(QKeySequence(Qt::Key_Left | Qt::CTRL));
     connect(buttons.last(), SIGNAL(clicked()), this, SIGNAL(leftButtonClicked()));
-    buttons << new QToolButton();
+    buttons.append(new QToolButton());
     buttons.last()->setIcon(QIcon(":/navigator/icon/arrowright.png"));
     buttons.last()->setToolTip(tr("Become child of last sibling (CTRL + Right)."));
     buttons.last()->setShortcut(QKeySequence(Qt::Key_Right | Qt::CTRL));
     connect(buttons.last(), SIGNAL(clicked()), this, SIGNAL(rightButtonClicked()));
 
-    buttons << new QToolButton();
+    buttons.append(new QToolButton());
     buttons.last()->setIcon(QIcon(":/navigator/icon/arrowdown.png"));
     buttons.last()->setToolTip(tr("Move down (CTRL + Down)."));
     buttons.last()->setShortcut(QKeySequence(Qt::Key_Down | Qt::CTRL));
     connect(buttons.last(), SIGNAL(clicked()), this, SIGNAL(downButtonClicked()));
 
-    buttons << new QToolButton();
+    buttons.append(new QToolButton());
     buttons.last()->setIcon(QIcon(":/navigator/icon/arrowup.png"));
     buttons.last()->setToolTip(tr("Move up (CTRL + Up)."));
     buttons.last()->setShortcut(QKeySequence(Qt::Key_Up | Qt::CTRL));