From 2b2210543c85892b25b3dae818b50c3fbccbe0d1 Mon Sep 17 00:00:00 2001
From: wandererfan <wandererfan@gmail.com>
Date: Mon, 14 Oct 2019 23:17:48 -0400
Subject: [PATCH] [TD]Fix slow GC of QGIPrimPath

---
 src/Mod/TechDraw/Gui/QGIViewPart.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/Mod/TechDraw/Gui/QGIViewPart.cpp b/src/Mod/TechDraw/Gui/QGIViewPart.cpp
index 23c5b6b39a..d9da244168 100644
--- a/src/Mod/TechDraw/Gui/QGIViewPart.cpp
+++ b/src/Mod/TechDraw/Gui/QGIViewPart.cpp
@@ -654,7 +654,8 @@ void QGIViewPart::removePrimitives()
     for (auto& c:children) {
          QGIPrimPath* prim = dynamic_cast<QGIPrimPath*>(c);
          if (prim) {
-            removeFromGroup(prim);
+            prim->hide();
+//            removeFromGroup(prim);
             scene()->removeItem(prim);
             delete prim;
          }
@@ -672,11 +673,13 @@ void QGIViewPart::removeDecorations()
          QGIDecoration* decor = dynamic_cast<QGIDecoration*>(c);
          QGIMatting* mat = dynamic_cast<QGIMatting*>(c);
          if (decor) {
-            removeFromGroup(decor);
+            decor->hide();
+//            removeFromGroup(decor);
             scene()->removeItem(decor);
             delete decor;
          } else if (mat) {
-            removeFromGroup(mat);
+            mat->hide();
+//            removeFromGroup(mat);
             scene()->removeItem(mat);
             delete mat;
          }