From 7ef8ca476d2d2e1edb8bda04b83bc10c96d2b718 Mon Sep 17 00:00:00 2001
From: Neko Box Coder <nekoboxcoder@gmail.com>
Date: Sat, 31 Jan 2026 15:10:25 +0000
Subject: [PATCH] Fixing missing case for handling root node for splitting,
 fixes #3980

---
 internal/views/splits.go | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/internal/views/splits.go b/internal/views/splits.go
index b2a20873..1ee8d72f 100644
--- a/internal/views/splits.go
+++ b/internal/views/splits.go
@@ -413,7 +413,7 @@ func (n *Node) HSplit(bottom bool) uint64 {
 	if !n.IsLeaf() {
 		return 0
 	}
-	if n.Kind == STUndef {
+	if n.parent == nil {
 		n.Kind = STVert
 	}
 	if n.Kind == STVert {
@@ -429,13 +429,13 @@ func (n *Node) VSplit(right bool) uint64 {
 	if !n.IsLeaf() {
 		return 0
 	}
-	if n.Kind == STUndef {
+	if n.parent == nil {
 		n.Kind = STHoriz
 	}
-	if n.Kind == STVert {
-		return n.vVSplit(right)
+	if n.Kind == STHoriz {
+		return n.hVSplit(0, right)
 	}
-	return n.hVSplit(0, right)
+	return n.vVSplit(right)
 }
 
 // unsplits the child of a split
@@ -531,11 +531,19 @@ func (n *Node) flatten() {
 func (n *Node) String() string {
 	var strf func(n *Node, ident int) string
 	strf = func(n *Node, ident int) string {
-		marker := "|"
+		marker := ""
 		if n.Kind == STHoriz {
 			marker = "-"
+		} else if n.Kind == STVert {
+			marker = "|"
 		}
-		str := fmt.Sprint(strings.Repeat("\t", ident), marker, n.View, n.id)
+
+		var parentId uint64 = 0
+		if n.parent != nil {
+			parentId = n.parent.id
+		}
+
+		str := fmt.Sprint(strings.Repeat("\t", ident), marker, n.View, n.id, parentId)
 		if n.IsLeaf() {
 			str += "🍁"
 		}