From 408c3cbcfe9d756712e6ebe54f077a8386543af8 Mon Sep 17 00:00:00 2001
From: Nementon <nementon@badwolf.fr>
Date: Sat, 29 Aug 2020 16:54:07 +0200
Subject: [PATCH] components / legend / use layout full width for horizontaly
 aligned legend container width

---
 src/components/legend/draw.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/components/legend/draw.js b/src/components/legend/draw.js
index 940c6a9c721..4d1787c091b 100644
--- a/src/components/legend/draw.js
+++ b/src/components/legend/draw.js
@@ -742,6 +742,9 @@ function computeLegendDimensions(gd, groups, traces, opts) {
             opts._titleWidth + 2 * (bw + constants.titlePad)
         )
     );
+    if (!isVertical) {
+        opts._width = gs.w;
+    }
 
     opts._height = Math.ceil(
         Math.max(