From d95ba82e5bfebe434b070d122d98c50bb9efd60b Mon Sep 17 00:00:00 2001
From: Shadowfacts <me@shadowfacts.net>
Date: Sat, 29 Oct 2022 11:22:02 -0400
Subject: [PATCH] Improve pointer interaction on new status cell action buttons

Closes #195
---
 .../TimelineStatusCollectionViewCell.swift    | 27 ++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/Tusker/Views/Status/TimelineStatusCollectionViewCell.swift b/Tusker/Views/Status/TimelineStatusCollectionViewCell.swift
index 920bf487..e64e5fd4 100644
--- a/Tusker/Views/Status/TimelineStatusCollectionViewCell.swift
+++ b/Tusker/Views/Status/TimelineStatusCollectionViewCell.swift
@@ -194,21 +194,25 @@ class TimelineStatusCollectionViewCell: UICollectionViewListCell, StatusCollecti
     private(set) lazy var replyButton = UIButton().configure {
         $0.setImage(UIImage(systemName: "arrowshape.turn.up.left.fill"), for: .normal)
         $0.addTarget(self, action: #selector(replyPressed), for: .touchUpInside)
+        $0.addInteraction(UIPointerInteraction(delegate: self))
     }
     
     private(set) lazy var favoriteButton = UIButton().configure {
         $0.setImage(UIImage(systemName: "star.fill"), for: .normal)
         $0.addTarget(self, action: #selector(favoritePressed), for: .touchUpInside)
+        $0.addInteraction(UIPointerInteraction(delegate: self))
     }
     
     private(set) lazy var reblogButton = UIButton().configure {
         $0.setImage(UIImage(systemName: "repeat"), for: .normal)
         $0.addTarget(self, action: #selector(reblogPressed), for: .touchUpInside)
+        $0.addInteraction(UIPointerInteraction(delegate: self))
     }
     
-    let moreButton = UIButton().configure {
+    private(set) lazy var moreButton = UIButton().configure {
         $0.setImage(UIImage(systemName: "ellipsis"), for: .normal)
         $0.showsMenuAsPrimaryAction = true
+        $0.addInteraction(UIPointerInteraction(delegate: self))
     }
     
     // MARK: Cell state
@@ -612,3 +616,24 @@ extension TimelineStatusCollectionViewCell: UIDragInteractionDelegate {
         return dragItemsForAccount()
     }
 }
+
+extension TimelineStatusCollectionViewCell: UIPointerInteractionDelegate {
+    func pointerInteraction(_ interaction: UIPointerInteraction, regionFor request: UIPointerRegionRequest, defaultRegion: UIPointerRegion) -> UIPointerRegion? {
+        guard let button = interaction.view as? UIButton else {
+            return nil
+        }
+        var rect = button.convert(button.imageView!.bounds, from: button.imageView!)
+        rect = rect.insetBy(dx: -24, dy: -24)
+        return UIPointerRegion(rect: rect)
+    }
+    
+    func pointerInteraction(_ interaction: UIPointerInteraction, styleFor region: UIPointerRegion) -> UIPointerStyle? {
+        guard let button = interaction.view as? UIButton else {
+            return nil
+        }
+        let preview = UITargetedPreview(view: button.imageView!)
+        var rect = button.convert(button.imageView!.bounds, from: button.imageView!)
+        rect = rect.insetBy(dx: -8, dy: -8)
+        return UIPointerStyle(effect: .highlight(preview), shape: .roundedRect(rect))
+    }
+}