blp 0.1.37

Blizzard BLP image format reader/writer (Warcraft/World of Warcraft textures)
Documentation 
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use crate::ui::i18n::detect_os_lang::detect_os_lang;
use crate::ui::i18n::lng_list::LngList;
use serde::{Deserialize, Serialize};

#[derive(Default, Serialize, Deserialize)]
pub struct LngPrefs {
    pub lang: LngList,
    pub initialized: bool,
}

const APP: &str = env!("CARGO_PKG_NAME");
const CFG: Option<&str> = Some(stringify!(LngPrefs));

pub fn load_prefs() -> LngPrefs {
    let mut p = confy::load::<LngPrefs>(APP, CFG).unwrap_or_default();
    if !p.initialized {
        p.lang = detect_os_lang();
        p.initialized = true;
        let _ = confy::store(APP, CFG, &p);
    }
    p
}

// где меняешь язык вручную — просто сохраняй:
pub fn save_lang(lang: LngList) {
    let _ = confy::store(APP, CFG, &LngPrefs { lang, initialized: true });
}