Modify the bug where "nextIndex" is -1 when "currentIndex" is 0.

bawn · Aug 27, 2020 · 6541b63 · 6541b63
1 parent 021762f
commit 6541b63
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/Trident/MenuView.swift b/Trident/MenuView.swift
@@ -242,8 +242,12 @@ public class TridentMenuView: UIView {
                 , currentIndex >= 0 else {
                 return
             }
-            nextIndex = currentIndex == titles.count - 1 ? currentIndex - 1 : currentIndex + 1
-//            nextIndex = min(currentIndex + 1, titles.count - 1)
+            if currentIndex == titles.count - 1 {
+                let next = currentIndex - 1
+                nextIndex = next > 0 ? next : 0
+            } else {
+                nextIndex = currentIndex + 1
+            }
             currentLabel = menuItemViews[currentIndex]
         }
     }