change is_system_theme_dark to is_system_theme_light

src/gui/settings.rs

@@ -28,10 +28,10 @@ impl From<Theme> for catppuccin_egui::Theme {
     fn from(val: Theme) -> Self {
         match val {
             Theme::Auto => {
-                if win::is_system_theme_dark() {
-                    catppuccin_egui::MOCHA
-                } else {
+                if win::is_system_theme_light() {
                     catppuccin_egui::LATTE
+                } else {
+                    catppuccin_egui::MOCHA
                 }
             }
             Theme::CatppuccinLatte => catppuccin_egui::LATTE,

src/util/win.rs

@@ -80,7 +80,7 @@ pub fn is_elevated() -> bool {
     result.is_ok() && elevation.TokenIsElevated != 0
 }
 
-pub fn is_system_theme_dark() -> bool {
+pub fn is_system_theme_light() -> bool {
     use winreg::RegKey;
     let hkcu = RegKey::predef(winreg::enums::HKEY_CURRENT_USER);
     let Ok(subkey) =
@@ -88,8 +88,10 @@ pub fn is_system_theme_dark() -> bool {
     else {
         return true;
     };
-    let Ok(dword): Result<u32, std::io::Error> = subkey.get_value("AppsUseLightTheme") else {
+    let Ok(apps_use_light_theme): Result<u32, std::io::Error> =
+        subkey.get_value("AppsUseLightTheme")
+    else {
         return true;
     };
-    dword != 1
+    apps_use_light_theme == 1
 }