From 82d8410d184d0727612158bf50e45a8b13ae31a9 Mon Sep 17 00:00:00 2001
From: Ghostkeeper <rubend@tutanota.com>
Date: Tue, 4 Dec 2018 13:58:54 +0100
Subject: [PATCH] Don't emit enabledChanged signal if it didn't change

Contributes to issue CURA-5876.
---
 cura/Settings/ExtruderStack.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cura/Settings/ExtruderStack.py b/cura/Settings/ExtruderStack.py
index ed758db183..d626ef06da 100644
--- a/cura/Settings/ExtruderStack.py
+++ b/cura/Settings/ExtruderStack.py
@@ -52,6 +52,8 @@ class ExtruderStack(CuraContainerStack):
         return super().getNextStack()
 
     def setEnabled(self, enabled: bool) -> None:
+        if self.getMetaDataEntry("enabled", True) == enabled: #No change.
+            return #Don't emit a signal then.
         self.setMetaDataEntry("enabled", str(enabled))
         self.enabledChanged.emit()