1use anyhow::Result;
 2use windows::Win32::UI::{
 3    Input::KeyboardAndMouse::GetKeyboardLayoutNameW, WindowsAndMessaging::KL_NAMELENGTH,
 4};
 5use windows_core::HSTRING;
 6
 7use crate::PlatformKeyboardLayout;
 8
 9pub(crate) struct WindowsKeyboardLayout {
10    id: String,
11    name: String,
12}
13
14impl PlatformKeyboardLayout for WindowsKeyboardLayout {
15    fn id(&self) -> &str {
16        &self.id
17    }
18
19    fn name(&self) -> &str {
20        &self.name
21    }
22}
23
24impl WindowsKeyboardLayout {
25    pub(crate) fn new() -> Result<Self> {
26        let mut buffer = [0u16; KL_NAMELENGTH as usize];
27        unsafe { GetKeyboardLayoutNameW(&mut buffer)? };
28        let id = HSTRING::from_wide(&buffer).to_string();
29        let entry = windows_registry::LOCAL_MACHINE.open(format!(
30            "System\\CurrentControlSet\\Control\\Keyboard Layouts\\{}",
31            id
32        ))?;
33        let name = entry.get_hstring("Layout Text")?.to_string();
34        Ok(Self { id, name })
35    }
36
37    pub(crate) fn unknown() -> Self {
38        Self {
39            id: "unknown".to_string(),
40            name: "unknown".to_string(),
41        }
42    }
43}