From d85e52e9fd76dadaf68385ed6b60c7fb24acba3c Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Mon, 28 Mar 2022 21:41:36 +0100
Subject: [PATCH] A better is-modified test.

Fixes https://gitlab.com/kicad/code/kicad/issues/10791

(cherry picked from commit 09ba7468ae6344b91213835e5558ca84830fe204)
---
 eeschema/symbol_editor/symbol_edit_frame.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/eeschema/symbol_editor/symbol_edit_frame.cpp b/eeschema/symbol_editor/symbol_edit_frame.cpp
index 4e191d207f..e7947ef114 100644
--- a/eeschema/symbol_editor/symbol_edit_frame.cpp
+++ b/eeschema/symbol_editor/symbol_edit_frame.cpp
@@ -375,10 +375,11 @@ void SYMBOL_EDIT_FRAME::setupUIConditions()
                 return IsSymbolEditable() && !IsSymbolAlias();
             };
 
-    auto libModifiedCondition =
+    auto symbolModifiedCondition =
             [this]( const SELECTION& sel )
             {
-                return m_libMgr->HasModifications();
+                return m_libMgr->IsSymbolModified( GetTargetLibId().GetLibItemName(),
+                                                   GetTargetLibId().GetLibNickname() );
             };
 
     auto libSelectedCondition =
@@ -408,7 +409,7 @@ void SYMBOL_EDIT_FRAME::setupUIConditions()
 
     mgr->SetConditions( ACTIONS::undo,              ENABLE( haveSymbolCond && cond.UndoAvailable() ) );
     mgr->SetConditions( ACTIONS::redo,              ENABLE( haveSymbolCond && cond.RedoAvailable() ) );
-    mgr->SetConditions( ACTIONS::revert,            ENABLE( haveSymbolCond && libModifiedCondition ) );
+    mgr->SetConditions( ACTIONS::revert,            ENABLE( symbolModifiedCondition ) );
 
     mgr->SetConditions( ACTIONS::toggleGrid,        CHECK( cond.GridVisible() ) );
     mgr->SetConditions( ACTIONS::toggleCursorStyle, CHECK( cond.FullscreenCursor() ) );