From f01fab6257864aeb3a305f681580edda90a79ce4 Mon Sep 17 00:00:00 2001
From: Gokcehan <gokcehankara@gmail.com>
Date: Sat, 9 Oct 2021 22:49:12 +0300
Subject: [PATCH] fix crash when hidden is changed

cc #615 #657
---
 nav.go | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/nav.go b/nav.go
index ffa21d6..3f4cd8a 100644
--- a/nav.go
+++ b/nav.go
@@ -280,6 +280,9 @@ func (dir *dir) sort() {
 			dir.files = dir.files[len(dir.files):]
 		}
 	}
+
+	dir.ind = max(dir.ind, 0)
+	dir.ind = min(dir.ind, len(dir.files)-1)
 }
 
 func (dir *dir) name() string {
@@ -287,9 +290,6 @@ func (dir *dir) name() string {
 		return ""
 	}
 
-	dir.ind = max(dir.ind, 0)
-	dir.ind = min(dir.ind, len(dir.files)-1)
-
 	return dir.files[dir.ind].Name()
 }
 
@@ -1414,6 +1414,7 @@ func (nav *nav) currFile() (*file, error) {
 	if len(dir.files) == 0 {
 		return nil, fmt.Errorf("empty directory")
 	}
+
 	return dir.files[dir.ind], nil
 }