From e4205979a6354d7c7985290dae38466343801ecb Mon Sep 17 00:00:00 2001
From: Tisfeng <tisfeng@gmail.com>
Date: Sat, 2 Mar 2024 21:32:06 +0800
Subject: [PATCH] fix: font size index out of bounds (#438)

---
 Easydict/Feature/Configuration/Configuration.swift   | 3 ++-
 Easydict/NewApp/Feature/Shortcut/Shortcut+Bind.swift | 8 ++++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/Easydict/Feature/Configuration/Configuration.swift b/Easydict/Feature/Configuration/Configuration.swift
index 27c70d935..9e4d0f3bc 100644
--- a/Easydict/Feature/Configuration/Configuration.swift
+++ b/Easydict/Feature/Configuration/Configuration.swift
@@ -140,7 +140,8 @@ class Configuration: NSObject {
     }
 
     var fontSizeRatio: CGFloat {
-        fontSizes[Int(fontSizeIndex)]
+        let safeIndex = max(0, min(Int(fontSizeIndex), fontSizes.count - 1))
+        return fontSizes[safeIndex]
     }
 
     static func destroySharedInstance() {
diff --git a/Easydict/NewApp/Feature/Shortcut/Shortcut+Bind.swift b/Easydict/NewApp/Feature/Shortcut/Shortcut+Bind.swift
index b999f66a6..60ba241c5 100644
--- a/Easydict/NewApp/Feature/Shortcut/Shortcut+Bind.swift
+++ b/Easydict/NewApp/Feature/Shortcut/Shortcut+Bind.swift
@@ -60,12 +60,16 @@ extension Shortcut {
 
     @objc
     func increaseFontSize() {
-        Configuration.shared.fontSizeIndex += 1
+        if Configuration.shared.fontSizeIndex < Configuration.shared.fontSizes.count - 1 {
+            Configuration.shared.fontSizeIndex += 1
+        }
     }
 
     @objc
     func decreaseFontSize() {
-        Configuration.shared.fontSizeIndex -= 1
+        if Configuration.shared.fontSizeIndex > 0 {
+            Configuration.shared.fontSizeIndex -= 1
+        }
     }
 
     @objc