From 791e4bdd85ff4a8dd5223631839f3d19d8005b79 Mon Sep 17 00:00:00 2001
From: Roy-043 <70520633+Roy-043@users.noreply.github.com>
Date: Thu, 16 Oct 2025 14:58:59 +0200
Subject: [PATCH] BIM: improve MultiMaterial task panel

Remove extra left margin from the first column in the tree view.
---
 src/Mod/BIM/ArchMaterial.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Mod/BIM/ArchMaterial.py b/src/Mod/BIM/ArchMaterial.py
index 50ecdf39e1..8a7b0e9cfc 100644
--- a/src/Mod/BIM/ArchMaterial.py
+++ b/src/Mod/BIM/ArchMaterial.py
@@ -869,6 +869,7 @@ class _ArchMultiMaterialTaskPanel:
                 translate("Arch", "Thickness"),
             ]
         )
+        self.form.tree.setRootIsDecorated(False)  # remove 1st column's extra left margin
         self.form.tree.setModel(self.model)
         self.form.tree.setUniformRowHeights(True)
         self.form.tree.setItemDelegate(MultiMaterialDelegate())