From af2e95ea394b6bb71eee087a21690bb0b2a1743b Mon Sep 17 00:00:00 2001
From: Shadowfacts <me@shadowfacts.net>
Date: Mon, 11 Jul 2022 15:07:11 -0400
Subject: [PATCH] Fix apparent crash when tapping tab bar item of selected tab

---
 Tusker/Screens/Utilities/SegmentedPageViewController.swift | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Tusker/Screens/Utilities/SegmentedPageViewController.swift b/Tusker/Screens/Utilities/SegmentedPageViewController.swift
index d7550782..b5dd159a 100644
--- a/Tusker/Screens/Utilities/SegmentedPageViewController.swift
+++ b/Tusker/Screens/Utilities/SegmentedPageViewController.swift
@@ -13,11 +13,13 @@ class SegmentedPageViewController: UIPageViewController, UIPageViewControllerDel
     let titles: [String]
     let pageControllers: [UIViewController]
     
-    private(set) var currentIndex: Int!
+    private(set) var currentIndex = 0
     
     var segmentedControl: UISegmentedControl!
 
     init(titles: [String], pageControllers: [UIViewController]) {
+        precondition(!pageControllers.isEmpty)
+        
         self.titles = titles
         self.pageControllers = pageControllers
         
@@ -41,7 +43,6 @@ class SegmentedPageViewController: UIPageViewController, UIPageViewControllerDel
         
         view.backgroundColor = .systemBackground
         
-        segmentedControl.selectedSegmentIndex = 0
         selectPage(at: 0, animated: false)
         
         addKeyCommand(MenuController.prevSubTabCommand)
@@ -56,7 +57,7 @@ class SegmentedPageViewController: UIPageViewController, UIPageViewControllerDel
     }
     
     func selectPage(at index: Int, animated: Bool) {
-        let direction: UIPageViewController.NavigationDirection = currentIndex == nil ? .forward  : index - currentIndex > 0 ? .forward : .reverse
+        let direction: UIPageViewController.NavigationDirection = index - currentIndex > 0 ? .forward : .reverse
         setViewControllers([pageControllers[index]], direction: direction, animated: animated)
         navigationItem.title = pageControllers[index].title
         currentIndex = index