More robust LG UltraFine detection

Author: OCJvanDijk

Brightness Sync/AppDelegate.swift

@@ -53,10 +53,10 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         os_log("Starting display refresh...")
 
         let allDisplays = AppDelegate.getAllDisplays()
-        let lgDisplaySerialNumbers = AppDelegate.getConnectedUltraFineDisplaySerialNumbers()
+        let lgDisplayIdentifiers = AppDelegate.getConnectedUltraFineDisplayIdentifiers()
 
         let builtin = allDisplays.first { CGDisplayIsBuiltin($0) == 1 }
-        let syncTo = allDisplays.filter { lgDisplaySerialNumbers.contains(CGDisplaySerialNumber($0)) }
+        let syncTo = allDisplays.filter { lgDisplayIdentifiers.contains(DisplayIdentifier(vendorNumber: CGDisplayVendorNumber($0), modelNumber: CGDisplayModelNumber($0))) }
 
         syncTimer?.invalidate()
 
@@ -115,8 +115,8 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         return Array(onlineDisplays[0..<Int(displayCount)])
     }
 
-    static func getConnectedUltraFineDisplaySerialNumbers() -> Set<uint32> {
-        var ultraFineDisplays = Set<uint32>()
+    static func getConnectedUltraFineDisplayIdentifiers() -> Set<DisplayIdentifier> {
+        var ultraFineDisplays = Set<DisplayIdentifier>()
 
         for displayInfo in getDisplayInfoDictionaries() {
             if
@@ -125,10 +125,11 @@ class AppDelegate: NSObject, NSApplicationDelegate {
             {
                 if
                     displayName.contains("LG UltraFine"),
-                    let serialNumber = displayInfo[kDisplaySerialNumber] as? UInt32
+                    let vendorNumber = displayInfo[kDisplayVendorID] as? UInt32,
+                    let modelNumber = displayInfo[kDisplayProductID] as? UInt32
                 {
                     os_log("Found compatible display: %{public}@", displayName)
-                    ultraFineDisplays.insert(serialNumber)
+                    ultraFineDisplays.insert(DisplayIdentifier(vendorNumber: vendorNumber, modelNumber: modelNumber))
                 }
                 else {
                     os_log("Found incompatible display: %{public}@", displayName)
@@ -190,4 +191,9 @@ class AppDelegate: NSObject, NSApplicationDelegate {
     @objc func checkForUpdates() {
         NSWorkspace.shared.open(URL(string: "https://github.com/OCJvanDijk/Brightness-Sync/releases")!)
     }
+    
+    struct DisplayIdentifier: Hashable {
+        let vendorNumber: UInt32
+        let modelNumber: UInt32
+    }
 }

Brightness Sync/Info.plist

@@ -2,8 +2,6 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
-	<key>LSUIElement</key>
-	<true/>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 	<key>CFBundleExecutable</key>
@@ -19,11 +17,13 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.0.5</string>
+	<string>1.0.6</string>
 	<key>CFBundleVersion</key>
-	<string>1.0.5</string>
+	<string>1.0.6</string>
 	<key>LSMinimumSystemVersion</key>
 	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
+	<key>LSUIElement</key>
+	<true/>
 	<key>NSHumanReadableCopyright</key>
 	<string>Copyright © 2019 Onne van Dijk.</string>
 	<key>NSPrincipalClass</key>