From 603f84eb9083e9eeb5125c5ac73c964377e71c3a Mon Sep 17 00:00:00 2001
From: skanehira <sho19921005@gmail.com>
Date: Sat, 2 Nov 2019 18:06:56 +0900
Subject: [PATCH] update original root tree  when clear children nodes

---
 gui/tree.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gui/tree.go b/gui/tree.go
index 6263293..0b13c83 100644
--- a/gui/tree.go
+++ b/gui/tree.go
@@ -133,6 +133,8 @@ func (t *Tree) SetKeybindings(g *Gui) {
 			t.GetRoot().CollapseAll()
 		case 'd':
 			t.GetCurrentNode().ClearChildren()
+			newRoot := *g.Tree.GetRoot()
+			g.Tree.OriginRoot = &newRoot
 		case 'L':
 			t.GetRoot().ExpandAll()
 		case 'l':