From 573e4cd7724feb322699cd8d11e45b9f98526f90 Mon Sep 17 00:00:00 2001
From: Uwe <donovaly@users.noreply.github.com>
Date: Wed, 30 Mar 2022 02:57:35 +0200
Subject: [PATCH] [FEM] fix bug 4 of the cut filter bugs

as reported here: https://forum.freecadweb.org/viewtopic.php?p=584217#p584217
---
 src/Mod/Fem/Gui/TaskPostBoxes.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/Mod/Fem/Gui/TaskPostBoxes.cpp b/src/Mod/Fem/Gui/TaskPostBoxes.cpp
index 391e88b9b1..e64adea952 100644
--- a/src/Mod/Fem/Gui/TaskPostBoxes.cpp
+++ b/src/Mod/Fem/Gui/TaskPostBoxes.cpp
@@ -463,12 +463,17 @@ void TaskPostClip::collectImplicitFunctions() {
 
             ui->FunctionBox->clear();
             QStringList items;
+            std::size_t currentItem = 0;
+            App::DocumentObject* currentFunction = static_cast<Fem::FemPostClipFilter*>(getObject())->Function.getValue();
             const std::vector<App::DocumentObject*>& funcs = static_cast<Fem::FemPostFunctionProvider*>(
                 pipeline->Functions.getValue())->Functions.getValues();
-            for (std::size_t i = 0; i < funcs.size(); ++i)
+            for (std::size_t i = 0; i < funcs.size(); ++i) {
                 items.push_back(QString::fromLatin1(funcs[i]->getNameInDocument()));
-
+                if (currentFunction = funcs[i])
+                    currentItem = i;
+            }
             ui->FunctionBox->addItems(items);
+            ui->FunctionBox->setCurrentIndex(currentItem);
         }
     }
 }