From cebefd030fd883bbdbd9503884191861cf43de9a Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sun, 21 Jan 2024 11:29:38 +0100
Subject: [PATCH] spline: fix busy-loop in widget redraw

---
 spline/spline.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/spline/spline.cpp b/spline/spline.cpp
index a2cf2e1ea..466a9a7f5 100644
--- a/spline/spline.cpp
+++ b/spline/spline.cpp
@@ -42,8 +42,10 @@ void spline::set_tracking_active(bool value) const
     std::shared_ptr<settings> S;
     {
         QMutexLocker l(&mtx);
-        S = s;
+        if (value == activep)
+            return;
         activep = value;
+        S = s;
     }
     emit S->recomputed();
 }