2 files changed, 19 insertions, 3 deletions
diff --git a/src/plugins/qmldesigner/components/curveeditor/detail/selector.cpp b/src/plugins/qmldesigner/components/curveeditor/detail/selector.cpp
index 6119e8e9960..13fdeb72ed3 100644
--- a/src/plugins/qmldesigner/components/curveeditor/detail/selector.cpp
+++ b/src/plugins/qmldesigner/components/curveeditor/detail/selector.cpp
@@ -58,14 +58,15 @@ void Selector::mousePress(QMouseEvent *event, GraphicsView *view)
     if (view->hasActiveHandle())
         return;
 
-    if (select(SelectionTool::Undefined, view->globalToScene(event->globalPos()), view))
-        applyPreSelection(view);
-
     m_mouseInit = event->globalPos();
     m_mouseCurr = event->globalPos();
 
     QPointF click = view->globalToScene(m_mouseInit);
 
+    if (!isOverSelectedKeyframe(click, view))
+        if (select(SelectionTool::Undefined, click, view))
+            applyPreSelection(view);
+
     m_lasso = QPainterPath(click);
     m_lasso.closeSubpath();
 
@@ -119,6 +120,19 @@ void Selector::mouseRelease(QMouseEvent *event, GraphicsView *view)
     m_rect = QRectF();
 }
 
+bool Selector::isOverSelectedKeyframe(const QPointF &pos, GraphicsView *view)
+{
+    const auto itemList = view->items();
+    for (auto *item : itemList) {
+        if (auto *frame = qgraphicsitem_cast<KeyframeItem *>(item)) {
+            QRectF itemRect = frame->mapRectToScene(frame->boundingRect());
+            if (itemRect.contains(pos))
+                return frame->selected();
+        }
+    }
+    return false;
+}
+
 bool Selector::select(const SelectionTool &tool, const QPointF &pos, GraphicsView *view)
 {
     auto selectWidthTool = [this, tool](SelectionMode mode, const QPointF &pos, GraphicsView *view) {
diff --git a/src/plugins/qmldesigner/components/curveeditor/detail/selector.h b/src/plugins/qmldesigner/components/curveeditor/detail/selector.h
index 1c955de5bef..4027cc87b1c 100644
--- a/src/plugins/qmldesigner/components/curveeditor/detail/selector.h
+++ b/src/plugins/qmldesigner/components/curveeditor/detail/selector.h
@@ -54,6 +54,8 @@ public:
     void mouseRelease(QMouseEvent *event, GraphicsView *view);
 
 private:
+    bool isOverSelectedKeyframe(const QPointF &pos, GraphicsView *view);
+
     bool select(const SelectionTool &tool, const QPointF &pos, GraphicsView *view);
 
     bool pressSelection(SelectionMode mode, const QPointF &pos, GraphicsView *view);