Add cloneRoot() getter to SpriteModel

Author: adazem009

src/spritemodel.cpp

@@ -115,4 +115,12 @@ void SpriteModel::setRenderedTarget(IRenderedTarget *newRenderedTarget)
     emit renderedTargetChanged();
 }
 
+SpriteModel *SpriteModel::cloneRoot() const
+{
+    if (m_cloneRoot == this)
+        return nullptr;
+    else
+        return m_cloneRoot;
+}
+
 } // namespace scratchcpprender

src/spritemodel.h

@@ -49,6 +49,8 @@ class SpriteModel
         IRenderedTarget *renderedTarget() const;
         void setRenderedTarget(IRenderedTarget *newRenderedTarget);
 
+        SpriteModel *cloneRoot() const;
+
     signals:
         void renderedTargetChanged();
         void cloned(SpriteModel *cloneModel);

test/target_models/spritemodel_test.cpp

@@ -40,18 +40,21 @@ TEST(SpriteModelTest, DeInitClone)
 TEST(SpriteModelTest, OnCloned)
 {
     SpriteModel model;
+    ASSERT_EQ(model.cloneRoot(), nullptr);
 
     Sprite clone1;
     QSignalSpy spy1(&model, &SpriteModel::cloned);
     model.onCloned(&clone1);
     ASSERT_EQ(spy1.count(), 1);
+    ASSERT_EQ(model.cloneRoot(), nullptr);
 
     QList<QVariant> args = spy1.takeFirst();
     ASSERT_EQ(args.size(), 1);
     SpriteModel *cloneModel = args.at(0).value<SpriteModel *>();
     ASSERT_TRUE(cloneModel);
     ASSERT_EQ(cloneModel->parent(), &model);
     ASSERT_EQ(cloneModel->sprite(), &clone1);
+    ASSERT_EQ(cloneModel->cloneRoot(), &model);
     spy1.clear();
 
     Sprite clone2;
@@ -64,6 +67,7 @@ TEST(SpriteModelTest, OnCloned)
     ASSERT_TRUE(cloneModel);
     ASSERT_EQ(cloneModel->parent(), &model);
     ASSERT_EQ(cloneModel->sprite(), &clone2);
+    ASSERT_EQ(cloneModel->cloneRoot(), &model);
 
     Sprite clone3;
     QSignalSpy spy2(cloneModel, &SpriteModel::cloned);
@@ -76,6 +80,7 @@ TEST(SpriteModelTest, OnCloned)
     ASSERT_TRUE(cloneModel);
     ASSERT_EQ(cloneModel->parent(), &model);
     ASSERT_EQ(cloneModel->sprite(), &clone3);
+    ASSERT_EQ(cloneModel->cloneRoot(), &model);
 }
 
 TEST(SpriteModelTest, OnCostumeChanged)