统一桌面接口，
专注应用本身。

use uda_core::appearance::AppearanceManager;
use uda_platform_linux::appearance::LinuxAppearanceManager;

fn main() -> Result<(), uda_core::error::UdaError> {
    let desktop = LinuxAppearanceManager::new();
    let theme = desktop.detect_theme()?;
    println!("System theme: {theme:?}");
    Ok(())
}

from uda import Uda, FillMode

with Uda() as desktop:
    theme = desktop.detect_theme()
    print(f"System theme: {theme}")

    desktop.set_wallpaper(
        "/usr/share/backgrounds/wallpaper.jpg",
        FillMode.FIT
    )

const koffi = require('koffi');
const lib = koffi.load(process.env.UDA_LIBRARY ?? 'uda_ffi.dll');

const detectTheme = lib.func(
  'uda_detect_theme', 'int32', ['void *']
);
const theme = koffi.alloc(koffi.types.int32, 1);
if (detectTheme(theme) === 0) {
  console.log(koffi.decode(theme, koffi.types.int32));
}