Improve undo/redo for move by cursor key

src/plugins/qmldesigner/components/formeditor/movemanipulator.cpp

@@ -345,6 +345,16 @@ void MoveManipulator::moveBy(double deltaX, double deltaY)
     }
 }
 
+void MoveManipulator::beginRewriterTransaction()
+{
+    m_rewriterTransaction = m_view->beginRewriterTransaction();
+}
+
+void MoveManipulator::endRewriterTransaction()
+{
+    m_rewriterTransaction.commit();
+}
+
 void MoveManipulator::setOpacityForAllElements(qreal opacity)
 {
     foreach (FormEditorItem* item, m_itemList)

src/plugins/qmldesigner/components/formeditor/movemanipulator.h

@@ -69,6 +69,9 @@ public:
 
     void moveBy(double deltaX, double deltaY);
 
+    void beginRewriterTransaction();
+    void endRewriterTransaction();
+
     QPointF beginPoint() const;
 
     void clear();

src/plugins/qmldesigner/components/formeditor/movetool.cpp

@@ -156,6 +156,7 @@ void MoveTool::keyPressEvent(QKeyEvent *event)
         m_moveManipulator.setItems(movableItems);
 //        m_selectionIndicator.hide();
         m_resizeIndicator.hide();
+        m_moveManipulator.beginRewriterTransaction();
     }
 
     switch(event->key()) {
@@ -180,6 +181,7 @@ void MoveTool::keyReleaseEvent(QKeyEvent *keyEvent)
     }
 
     if (!keyEvent->isAutoRepeat()) {
+        m_moveManipulator.beginRewriterTransaction();
         m_moveManipulator.clear();
 //        m_selectionIndicator.show();
         m_resizeIndicator.show();