From 771ecdba12279f410239bd5a9836862c4285c7af Mon Sep 17 00:00:00 2001
From: Jonathan White <support@dmapps.us>
Date: Fri, 12 Apr 2019 16:08:38 -0400
Subject: [PATCH] Fix missing function definition on macOS

---
 src/gui/macutils/AppKitImpl.mm | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/gui/macutils/AppKitImpl.mm b/src/gui/macutils/AppKitImpl.mm
index 3727878e..cd709df2 100644
--- a/src/gui/macutils/AppKitImpl.mm
+++ b/src/gui/macutils/AppKitImpl.mm
@@ -93,6 +93,17 @@ AppKit::~AppKit()
     return [app isHidden];
 }
 
+//
+// Get state of macOS Dark Mode color scheme
+//
+- (bool) isDarkMode
+{
+    NSDictionary *dict = [[NSUserDefaults standardUserDefaults] persistentDomainForName:NSGlobalDomain];
+    id style = [dict objectForKey:@"AppleInterfaceStyle"];
+    return ( style && [style isKindOfClass:[NSString class]]
+             && NSOrderedSame == [style caseInsensitiveCompare:@"dark"] );
+}
+
 //
 // ------------------------- C++ Trampolines -------------------------
 //
@@ -129,10 +140,7 @@ bool AppKit::isHidden(pid_t pid)
 
 bool AppKit::isDarkMode()
 {
-    NSDictionary *dict = [[NSUserDefaults standardUserDefaults] persistentDomainForName:NSGlobalDomain];
-    id style = [dict objectForKey:@"AppleInterfaceStyle"];
-    return ( style && [style isKindOfClass:[NSString class]]
-            && NSOrderedSame == [style caseInsensitiveCompare:@"dark"] );
+    return [static_cast<id>(self) isDarkMode];
 }
 
 @end