From bdc4061a7993ad08d145c67fd39c2ff186cb5564 Mon Sep 17 00:00:00 2001
From: Trevor SANDY <trevor.sandy@gmail.com>
Date: Thu, 8 Oct 2020 15:17:31 +0200
Subject: [PATCH] 3D Preview - ignore update if existing piece and color
 matches

---
 common/lc_previewwidget.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/common/lc_previewwidget.cpp b/common/lc_previewwidget.cpp
index 6a586a76..072626e2 100644
--- a/common/lc_previewwidget.cpp
+++ b/common/lc_previewwidget.cpp
@@ -107,9 +107,19 @@ bool lcPreviewWidget::SetCurrentPiece(const QString& PartType, int ColorCode)
 
 	if (Info)
 	{
+		lcModel* ActiveModel = GetActiveModel();
+		for (lcPiece* ModelPiece : ActiveModel->GetPieces())
+		{
+			if (Info == ModelPiece->mPieceInfo)
+			{
+				int ModelColorCode = ModelPiece->mColorCode;
+				if (ModelColorCode == ColorCode)
+					return true;
+			}
+		}
+
 		mIsModel = Info->IsModel();
 		mDescription = Info->m_strDescription;
-		lcModel* ActiveModel = GetActiveModel();
 
 		ActiveModel->SelectAllPieces();
 		ActiveModel->DeleteSelectedObjects();