From 65e87625466d50a8c7dd4f3234b899e8028abdde Mon Sep 17 00:00:00 2001
From: Lipu Fei <lipu.fei815@gmail.com>
Date: Fri, 5 Jan 2018 11:53:38 +0100
Subject: [PATCH] Fix layer height slider update issue

CURA-4758
---
 resources/qml/SidebarSimple.qml | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/resources/qml/SidebarSimple.qml b/resources/qml/SidebarSimple.qml
index 7aca25160a..74c2bf1ec1 100644
--- a/resources/qml/SidebarSimple.qml
+++ b/resources/qml/SidebarSimple.qml
@@ -70,6 +70,18 @@ Item
                     onActiveVariantChanged: qualityModel.update()
                 }
 
+                Connections {
+                    target: base
+                    onVisibleChanged:
+                    {
+                        // update needs to be called when the widgets are visible, otherwise the step width calculation
+                        // will fail because the width of an invisible item is 0.
+                        if (visible) {
+                            qualityModel.update();
+                        }
+                    }
+                }
+
                 ListModel
                 {
                     id: qualityModel