From ab1a0c7324b0f6cb0503b27bbd0af8247bbdd8b7 Mon Sep 17 00:00:00 2001
From: Zhwt <greatzhwt@gmail.com>
Date: Mon, 29 Apr 2024 09:50:12 +0800
Subject: [PATCH] Fix panic when clicking spaces after slide page items.

---
 demos/presentation/main.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/demos/presentation/main.go b/demos/presentation/main.go
index 859cf64..351107f 100644
--- a/demos/presentation/main.go
+++ b/demos/presentation/main.go
@@ -55,6 +55,10 @@ func main() {
 		SetRegions(true).
 		SetWrap(false).
 		SetHighlightedFunc(func(added, removed, remaining []string) {
+			if len(added) == 0 {
+				return
+			}
+
 			pages.SwitchToPage(added[0])
 		})