From 2003351fe2b03801535a7423e4f25aebb91a6a98 Mon Sep 17 00:00:00 2001
From: MCleinman <9295855+mcleinman@users.noreply.github.com>
Date: Mon, 6 Jan 2025 12:47:34 -0800
Subject: [PATCH] VPN-6064 - detect dark mode (#10131)

* VPN-6064 - detect dark mode

* make work on Linux running older Qt
---
 src/theme.cpp | 13 +++++++++++++
 src/theme.h   |  4 ++++
 2 files changed, 17 insertions(+)

diff --git a/src/theme.cpp b/src/theme.cpp
index 7043ab9fc7..d87aa21f34 100644
--- a/src/theme.cpp
+++ b/src/theme.cpp
@@ -6,6 +6,10 @@
 
 #include <QDir>
 #include <QJSEngine>
+#if QT_VERSION >= QT_VERSION_CHECK(6, 5, 0)
+#  include <QGuiApplication>
+#  include <QStyleHints>
+#endif
 
 #include "leakdetector.h"
 #include "logger.h"
@@ -181,6 +185,15 @@ QVariant Theme::data(const QModelIndex& index, int role) const {
   }
 }
 
+#if QT_VERSION >= QT_VERSION_CHECK(6, 5, 0)
+Qt::ColorScheme Theme::currentSystemTheme() {
+  QStyleHints* styleHints = QGuiApplication::styleHints();
+  Qt::ColorScheme currentColorScheme = styleHints->colorScheme();
+  logger.debug() << "Current system theme: " << currentColorScheme;
+  return currentColorScheme;
+}
+#endif
+
 void Theme::setStatusBarTextColor([[maybe_unused]] StatusBarTextColor color) {
 #ifdef MZ_IOS
   IOSCommons::setStatusBarTextColor(color);
diff --git a/src/theme.h b/src/theme.h
index 621dea5c2d..3ddabcd06b 100644
--- a/src/theme.h
+++ b/src/theme.h
@@ -46,6 +46,10 @@ class Theme final : public QAbstractListModel {
 
   QVariant data(const QModelIndex& index, int role) const override;
 
+#if QT_VERSION >= QT_VERSION_CHECK(6, 5, 0)
+  Qt::ColorScheme currentSystemTheme();
+#endif
+
   enum StatusBarTextColor {
     StatusBarTextColorLight,
     StatusBarTextColorDark,