Check high contrast theme for auto dark mode on Windows

telegramdesktop · Jan 25, 2025 · 5e60197 · 5e60197
1 parent 4162e0e
commit 5e60197
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/Telegram/SourceFiles/platform/win/specific_win.cpp b/Telegram/SourceFiles/platform/win/specific_win.cpp
@@ -399,6 +399,13 @@ std::optional<bool> IsDarkMode() {
 		return std::nullopt;
 	}
 
+	HIGHCONTRAST hcf = {};
+	hcf.cbSize = static_cast<UINT>(sizeof(HIGHCONTRAST));
+	if (SystemParametersInfo(SPI_GETHIGHCONTRAST, hcf.cbSize, &hcf, FALSE)
+			&& (hcf.dwFlags & HCF_HIGHCONTRASTON)) {
+		return std::nullopt;
+	}
+
 	const auto keyName = L""
 		"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize";
 	const auto valueName = L"AppsUseLightTheme";