From c41d4a42ba17af05430f8b75ee77502bc81fa6e1 Mon Sep 17 00:00:00 2001
From: stefan schippers <stefan.schippers@gmail.com>
Date: Mon, 22 Sep 2025 15:37:20 +0200
Subject: [PATCH] make wave change color undoable

---
 src/xschem.tcl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/xschem.tcl b/src/xschem.tcl
index a6bfb0cd..6142f443 100644
--- a/src/xschem.tcl
+++ b/src/xschem.tcl
@@ -3129,6 +3129,7 @@ proc graph_change_wave_color {{wave {}}} {
   global graph_sel_color graph_selected graph_schname
 
   if { [xschem get schname] ne $graph_schname } return
+  graph_push_undo
   #  get tag the cursor is on:
   if { $wave eq {}} {
     set sel_range [.graphdialog.center.right.text1 tag ranges sel]