From 741140e4a4f57e384bc7b9901a88ed7bce33acc3 Mon Sep 17 00:00:00 2001
From: Michael Kavanagh <michael@michaelkavanagh.me>
Date: Fri, 24 May 2019 18:48:20 +0100
Subject: [PATCH] Fix footprint marked as modified when layer visibility
 changed

Fixes: lp:1830330
* https://bugs.launchpad.net/kicad/+bug/1830330
---
 pcbnew/pcb_layer_widget.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pcbnew/pcb_layer_widget.cpp b/pcbnew/pcb_layer_widget.cpp
index f7a3a94617..58d07a3f3f 100644
--- a/pcbnew/pcb_layer_widget.cpp
+++ b/pcbnew/pcb_layer_widget.cpp
@@ -656,7 +656,9 @@ void PCB_LAYER_WIDGET::OnLayerVisible( int aLayer, bool isVisible, bool isFinal
 
         brd->SetVisibleLayers( visibleLayers );
 
-        myframe->OnModify();
+        // Layer visibility is not stored in .kicad_mod files
+        if( !m_fp_editor_mode )
+            myframe->OnModify();
 
         EDA_DRAW_PANEL_GAL* galCanvas = myframe->GetGalCanvas();