From 1d72924e69dc9995b5d9ac3f8c96ec6998b4bed7 Mon Sep 17 00:00:00 2001
From: Cameron Kaiser <classilla@floodgap.com>
Date: Sun, 1 Nov 2020 19:49:27 -0800
Subject: [PATCH] minor fix for menu icon scaling (thanks @OlgaTPark again)

---
 widget/cocoa/nsMenuItemIconX.mm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/widget/cocoa/nsMenuItemIconX.mm b/widget/cocoa/nsMenuItemIconX.mm
index 4c3c39c50..259e6ce5f 100644
--- a/widget/cocoa/nsMenuItemIconX.mm
+++ b/widget/cocoa/nsMenuItemIconX.mm
@@ -461,6 +461,12 @@ nsMenuItemIconX::OnFrameComplete(imgIRequest* aRequest)
     return NS_ERROR_FAILURE;
   }
 
+  // Fixes issues with scaling the menu icon on 10.4 and 10.5.
+  // According to Apple's doc, this is deprecated and unneeded in 10.6+.
+  // See OlgaTPark/tenfourfox #14.
+  if (!nsCocoaFeatures::OnSnowLeopardOrLater())
+    [newImage setScalesWhenResized:YES];
+
   [newImage setSize:NSMakeSize(kIconWidth, kIconHeight)];
   [mNativeMenuItem setImage:newImage];