ui: Add follow system theme option

source/window/macos_window.cpp

@@ -2,6 +2,8 @@
 
 #if defined(OS_MACOS)
 
+    #include <nlohmann/json.hpp>
+
     namespace hex {
 
         void Window::initNative() {
@@ -9,7 +11,16 @@
         }
 
         void Window::setupNativeWindow() {
+            bool themeFollowSystem = ContentRegistry::Settings::getSetting("hex.builtin.setting.interface", "hex.builtin.setting.interface.color") == 0;
+            EventManager::subscribe<EventOSThemeChanged>(this, [themeFollowSystem]{
+                if (!themeFollowSystem) return;
 
+                // TODO: Implement this when MacOS build is working again
+                EventManager::post<RequestChangeTheme>(1);
+            });
+
+            if (themeFollowSystem)
+                EventManager::post<EventOSThemeChanged>();
         }
 
         void Window::updateNativeWindow() {