From 400430c176ab36e9bf0ae51a4246d38522318f82 Mon Sep 17 00:00:00 2001
From: griffi-gh <prasol258@gmail.com>
Date: Wed, 16 Oct 2024 11:02:32 +0200
Subject: [PATCH] fadeout undo button if nothing to undo

---
 src/src/game-gui.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/src/game-gui.cc b/src/src/game-gui.cc
index 4509f6fe..2bfc829d 100644
--- a/src/src/game-gui.cc
+++ b/src/src/game-gui.cc
@@ -2396,6 +2396,7 @@ game::refresh_widgets()
         }
 
         this->wdg_undo->add(); // XXX griffi-gh: Is this the right place?
+        this->wdg_undo->faded = undo.amount() == 0;
     }
 
     if ((this->state.sandbox || this->state.test_playing || W->is_paused() || W->is_puzzle()) && (W->level.type != LCAT_ADVENTURE || W->is_paused())) {