1 files changed, 32 insertions, 1 deletions
diff --git a/src/plugins/qmldesigner/components/curveeditor/detail/graphicsscene.cpp b/src/plugins/qmldesigner/components/curveeditor/detail/graphicsscene.cpp
index 0d516a0ce5..f0a9629528 100644
--- a/src/plugins/qmldesigner/components/curveeditor/detail/graphicsscene.cpp
+++ b/src/plugins/qmldesigner/components/curveeditor/detail/graphicsscene.cpp
@@ -213,7 +213,29 @@ void GraphicsScene::addCurveItem(CurveItem *item)
     item->setDirty(false);
     item->connect(this);
     addItem(item);
-    m_curves.push_back(item);
+
+    if (item->locked())
+        m_curves.push_front(item);
+    else
+        m_curves.push_back(item);
+
+    resetZValues();
+}
+
+void GraphicsScene::moveToBottom(CurveItem *item)
+{
+    if (m_curves.removeAll(item) > 0) {
+        m_curves.push_front(item);
+        resetZValues();
+    }
+}
+
+void GraphicsScene::moveToTop(CurveItem *item)
+{
+    if (m_curves.removeAll(item) > 0) {
+        m_curves.push_back(item);
+        resetZValues();
+    }
 }
 
 void GraphicsScene::setComponentTransform(const QTransform &transform)
@@ -384,4 +406,13 @@ QRectF GraphicsScene::limits() const
     return m_limits;
 }
 
+void GraphicsScene::resetZValues()
+{
+    qreal z = 0.0;
+    for (auto *curve : curves()) {
+        curve->setZValue(z);
+        z += 1.0;
+    }
+}
+
 } // End namespace DesignTools.