From b76d739d17e1964ebc08f7acdef3e69e005eaccf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20=C3=89vrard?= <nicoe@b2ck.com>
Date: Wed, 23 Sep 2026 17:59:29 +0200
Subject: [PATCH] Use a minimal size of 2 for the select tag of MultiSelection
 widgets

Browsers based on Chromium renders the select as a "normal" select tag when
size=1. Such that the mousedown event is triggered twice which clear the
selection.

Closes #14529
(grafted from 4d95b908a33d950d24416b53d6264db1b0b3b443)

--HG--
branch : 7.0
---
 sao/src/view/form.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sao/src/view/form.js b/sao/src/view/form.js
index ac141506cc..c2505c09c3 100644
--- a/sao/src/view/form.js
+++ b/sao/src/view/form.js
@@ -4471,7 +4471,9 @@ function eval_pyson(value){
                     yexpand = this.expand;
                 }
                 if (!yexpand) {
-                    this.select.prop('size', this.select.children().length);
+                    this.select.prop(
+                        'size', Math.max(2, this.select.children().length));
+
                 }
                 if (!field) {
                     return;