From e90b05ae367f938b0298449fb8c6a532f3dd8a69 Mon Sep 17 00:00:00 2001
From: tildearrow <me@tildearrow.org>
Date: Wed, 18 Jun 2025 03:37:36 -0500
Subject: [PATCH] GUI: clamp channel volume bar

issue #2568
---
 src/gui/pattern.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/gui/pattern.cpp b/src/gui/pattern.cpp
index f74f138a6..c0bd230d0 100644
--- a/src/gui/pattern.cpp
+++ b/src/gui/pattern.cpp
@@ -929,6 +929,11 @@ void FurnaceGUI::drawPattern() {
                   break;
               }
 
+              if (xLeft<0.0f) xLeft=0.0f;
+              if (xLeft>1.0f) xLeft=1.0f;
+              if (xRight<0.0f) xRight=0.0f;
+              if (xRight>1.0f) xRight=1.0f;
+
               dl->AddRectFilled(
                 ImLerp(rectV.Min,rectV.Max,ImVec2(xLeft,0.0f)),
                 ImLerp(rectV.Min,rectV.Max,ImVec2(xRight,1.0f)),