Files
wayvr/src/hid/wayland.rs
2025-04-07 00:58:03 +09:00

141 lines
4.2 KiB
Rust

use wlx_capture::wayland::wayland_client::{
globals::{registry_queue_init, GlobalListContents},
protocol::{
wl_keyboard::{self, WlKeyboard},
wl_registry::WlRegistry,
wl_seat::{self, Capability, WlSeat},
},
Connection, Dispatch, Proxy, QueueHandle,
};
use xkbcommon::xkb;
use super::XkbKeymap;
struct WlKeymapHandler {
seat: WlSeat,
keyboard: Option<WlKeyboard>,
keymap: Option<XkbKeymap>,
}
impl Drop for WlKeymapHandler {
fn drop(&mut self) {
if let Some(keyboard) = &self.keyboard {
keyboard.release();
}
self.seat.release();
}
}
pub fn get_keymap_wl() -> anyhow::Result<XkbKeymap> {
let connection = Connection::connect_to_env()?;
let (globals, mut queue) = registry_queue_init::<WlKeymapHandler>(&connection)?;
let qh = queue.handle();
let seat: WlSeat = globals
.bind(&qh, 4..=9, ())
.expect(WlSeat::interface().name);
let mut me = WlKeymapHandler {
seat,
keyboard: None,
keymap: None,
};
// this gets us the wl_seat
let _ = queue.blocking_dispatch(&mut me);
// this gets us the wl_keyboard
let _ = queue.blocking_dispatch(&mut me);
me.keymap
.take()
.ok_or_else(|| anyhow::anyhow!("Could not load keymap"))
}
impl Dispatch<WlRegistry, GlobalListContents> for WlKeymapHandler {
fn event(
_state: &mut Self,
_proxy: &WlRegistry,
_event: <WlRegistry as Proxy>::Event,
_data: &GlobalListContents,
_conn: &Connection,
_qhandle: &QueueHandle<Self>,
) {
}
}
impl Dispatch<WlSeat, ()> for WlKeymapHandler {
fn event(
state: &mut Self,
proxy: &WlSeat,
event: <WlSeat as Proxy>::Event,
_data: &(),
_conn: &Connection,
qhandle: &QueueHandle<Self>,
) {
match event {
wl_seat::Event::Capabilities { capabilities } => {
let capability = capabilities
.into_result()
.unwrap_or(wl_seat::Capability::empty());
if capability.contains(Capability::Keyboard) {
state.keyboard = Some(proxy.get_keyboard(qhandle, ()));
}
}
wl_seat::Event::Name { name } => {
log::debug!("Using WlSeat: {name}");
}
_ => {}
}
}
}
impl Dispatch<WlKeyboard, ()> for WlKeymapHandler {
fn event(
state: &mut Self,
_proxy: &WlKeyboard,
event: <WlKeyboard as Proxy>::Event,
_data: &(),
_conn: &Connection,
_qhandle: &QueueHandle<Self>,
) {
match event {
wl_keyboard::Event::Keymap { format, fd, size } => {
let format = format
.into_result()
.unwrap_or(wl_keyboard::KeymapFormat::NoKeymap);
if matches!(format, wl_keyboard::KeymapFormat::XkbV1) {
let context = xkb::Context::new(xkb::CONTEXT_NO_DEFAULT_INCLUDES);
let maybe_keymap = unsafe {
xkb::Keymap::new_from_fd(
&context,
fd,
size as _,
xkb::KEYMAP_FORMAT_TEXT_V1,
xkb::KEYMAP_COMPILE_NO_FLAGS,
)
};
match maybe_keymap {
Ok(Some(keymap)) => {
state.keymap = Some(XkbKeymap { keymap });
}
Ok(None) => {
log::error!("Could not load keymap: no keymap");
log::error!("Default layout will be used.");
}
Err(err) => {
log::error!("Could not load keymap: {err}");
log::error!("Default layout will be used.");
}
}
}
}
wl_keyboard::Event::RepeatInfo { rate, delay } => {
log::debug!("WlKeyboard RepeatInfo rate: {rate}, delay: {delay}");
}
_ => {}
}
}
}