From 6c93cccb70691a0c46ca6d74999d383dda57d453 Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Sat, 1 Jun 2019 23:23:53 +0100
Subject: [PATCH] Implement enable/disable of LibEdit save icon.

Fixes: lp:1831314
* https://bugs.launchpad.net/kicad/+bug/1831314
---
 eeschema/libedit/toolbars_libedit.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/eeschema/libedit/toolbars_libedit.cpp b/eeschema/libedit/toolbars_libedit.cpp
index 921b3c2280..d0073da4d5 100644
--- a/eeschema/libedit/toolbars_libedit.cpp
+++ b/eeschema/libedit/toolbars_libedit.cpp
@@ -31,7 +31,7 @@
 #include <lib_edit_frame.h>
 #include <dialog_helpers.h>
 #include <bitmaps.h>
-
+#include <lib_manager.h>
 #include <help_common_strings.h>
 #include <tools/ee_actions.h>
 
@@ -167,6 +167,15 @@ void LIB_EDIT_FRAME::SyncMenusAndToolbars()
 {
     KIGFX::GAL_DISPLAY_OPTIONS& galOpts = GetGalDisplayOptions();
 
+    LIB_ID libId = getTargetLibId();
+    const wxString& libName = libId.GetLibNickname();
+    const wxString& partName = libId.GetLibItemName();
+    bool modified = m_libMgr->IsLibraryModified( libName );
+
+    if( !partName.IsEmpty() && m_libMgr->IsPartModified( partName, libName ) )
+        modified = true;
+
+    m_mainToolBar->Toggle( ACTIONS::saveAll, modified );
     m_mainToolBar->Toggle( ACTIONS::undo, GetScreen() && GetScreen()->GetUndoCommandCount() > 0 );
     m_mainToolBar->Toggle( ACTIONS::redo, GetScreen() && GetScreen()->GetRedoCommandCount() > 0 );
     m_mainToolBar->Toggle( ACTIONS::zoomTool, GetToolId() == ID_ZOOM_SELECTION );