--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/sys/win32/dark_theme.cpp	Tue Aug 08 19:49:15 2023 -0400
@@ -0,0 +1,26 @@
+#include <QSettings>
+#include <QOperatingSystemVersion>
+#include "sys/win32/dark_theme.h"
+bool win32::DarkThemeAvailable()
+{
+    // dark mode supported Windows 10 1809 10.0.17763 onward
+    // https://stackoverflow.com/questions/53501268/win10-dark-theme-how-to-use-in-winapi
+    if ( QOperatingSystemVersion::current().majorVersion() == 10 )
+    {
+        return QOperatingSystemVersion::current().microVersion() >= 17763;
+    }
+    else if ( QOperatingSystemVersion::current().majorVersion() > 10 )
+    {
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+bool win32::IsInDarkTheme()
+{
+    QSettings settings( "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize", QSettings::NativeFormat );
+    return settings.value( "AppsUseLightTheme", 1 ).toInt() == 0;
+}