From c3c89a80b90a24ae330c123e012c53fe5e29a120 Mon Sep 17 00:00:00 2001
From: Lawrence Chen <54008264+lawrencecchen@users.noreply.github.com>
Date: Wed, 25 Feb 2026 17:13:56 -0800
Subject: [PATCH] Treat nil drag-handle hit-test events as passive

Refs CMUXTERM-MACOS-AF

Refs CMUXTERM-MACOS-A8
---
 Sources/WindowDragHandleView.swift            | 2 +-
 cmuxTests/CmuxWebViewKeyEquivalentTests.swift | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Sources/WindowDragHandleView.swift b/Sources/WindowDragHandleView.swift
index 82534727..833b5769 100644
--- a/Sources/WindowDragHandleView.swift
+++ b/Sources/WindowDragHandleView.swift
@@ -8,7 +8,7 @@ private func windowDragHandleFormatPoint(_ point: NSPoint) -> String {
 
 private func windowDragHandleShouldDeferHitCapture(for eventType: NSEvent.EventType?) -> Bool {
     switch eventType {
-    case .mouseMoved?, .cursorUpdate?:
+    case nil, .mouseMoved?, .cursorUpdate?:
         return true
     default:
         return false
diff --git a/cmuxTests/CmuxWebViewKeyEquivalentTests.swift b/cmuxTests/CmuxWebViewKeyEquivalentTests.swift
index 5a783abe..6ec678bf 100644
--- a/cmuxTests/CmuxWebViewKeyEquivalentTests.swift
+++ b/cmuxTests/CmuxWebViewKeyEquivalentTests.swift
@@ -5973,6 +5973,7 @@ final class WindowDragHandleHitTests: XCTestCase {
         let point = NSPoint(x: 180, y: 18)
         XCTAssertFalse(windowDragHandleShouldCaptureHit(point, in: dragHandle, eventType: .mouseMoved))
         XCTAssertFalse(windowDragHandleShouldCaptureHit(point, in: dragHandle, eventType: .cursorUpdate))
+        XCTAssertFalse(windowDragHandleShouldCaptureHit(point, in: dragHandle, eventType: nil))
         XCTAssertTrue(windowDragHandleShouldCaptureHit(point, in: dragHandle, eventType: .leftMouseDown))
     }