From f4372108c260b86e1579e098e04994172dd21a03 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20=C3=89vrard?= <nicoe@b2ck.com>
Date: Thu, 1 Oct 2026 15:32:58 +0200
Subject: [PATCH] Compute the minimal width of a treeview on display as it's
 done when parsing

Closes #15094
---
 sao/src/view/tree.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/sao/src/view/tree.js b/sao/src/view/tree.js
index f1008910ab..f4d63c8dd0 100644
--- a/sao/src/view/tree.js
+++ b/sao/src/view/tree.js
@@ -1101,11 +1101,13 @@
                         width = column.col.data('default-width');
                     }
                     if (width && width.endsWith('%')) {
-                        width = parseInt(width.slice(0, -1), 10) / 100;
+                        // Reverse the calculation from _set_column_width
+                        let factor = 1;
                         if (column.attributes.expand) {
-                            width /= parseInt(column.attributes.expand, 10);
+                            factor += parseInt(column.attributes.expand, 10);
                         }
-                        width = `${width}em`;
+                        width = parseInt(width.slice(0, -1), 10);
+                        width = `${width / 100 / factor}em`;
                     }
                     min_width.push(width);
                     column.col.sao_show();