From 53ac0aa975f24831c16f5bdff7fe44ada5da31c1 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <m@mitchellh.com>
Date: Mon, 23 Dec 2024 13:01:37 -0800
Subject: [PATCH] macos: update content scale whenever the screen changes

Related to #2731

I'm not fully sure if this will fix this issue since I can't reproduce
it but I don't see a downside to doing this and it might fix it.
---
 macos/Sources/Ghostty/SurfaceView_AppKit.swift | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/macos/Sources/Ghostty/SurfaceView_AppKit.swift b/macos/Sources/Ghostty/SurfaceView_AppKit.swift
index 14f2a43c8c..5576515e3d 100644
--- a/macos/Sources/Ghostty/SurfaceView_AppKit.swift
+++ b/macos/Sources/Ghostty/SurfaceView_AppKit.swift
@@ -409,6 +409,11 @@ extension Ghostty {
             // ID. If vsync is enabled, this will be used with the CVDisplayLink to ensure
             // the proper refresh rate is going.
             ghostty_surface_set_display_id(surface, screen.displayID ?? 0)
+
+            // We also just trigger a backing property change. Just in case the screen has
+            // a different scaling factor, this ensures that we update our content scale.
+            // Issue: https://github.com/ghostty-org/ghostty/issues/2731
+            viewDidChangeBackingProperties()
         }
 
         // MARK: - NSView