From 2a75e404af43ca8fa6e707d4506b41dad0ba1b83 Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Fri, 10 May 2024 15:12:40 -0400
Subject: unicode support

---
 gui/widget/tree.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'gui/widget/tree.go')

diff --git a/gui/widget/tree.go b/gui/widget/tree.go
index 14d7b9d..633d440 100644
--- a/gui/widget/tree.go
+++ b/gui/widget/tree.go
@@ -9,6 +9,8 @@ import (
 	"volute/gui/layout"
 )
 
+const INDENT = 2
+
 type Node[T any] struct {
 	Label    string
 	Value    T
@@ -50,7 +52,9 @@ func Tree[T any](trees []Node[T], r image.Rectangle, focus FocusSlave, mux *gui.
 }
 
 func flatten[T any](root Node[T], depth int) []string {
-	indent := string(populate(make([]byte, 2*depth), ' '))
+	indent := string(populate(
+		make([]rune, INDENT*depth),
+		'─'))
 	nodes := []string{indent + root.Label}
 	root.expanded = true // TODO: remove me
 	if root.expanded {
-- 
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