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kbvm: use indicators to determine the active LEDs

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This commit is contained in:
Julian Orth 2025-09-07 15:34:38 +02:00
parent 0c7f7429db
commit f5e04355d7
8 changed files with 101 additions and 57 deletions
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4
src/ei/ei_ifs/ei_keyboard.rs
View file

@ -36,8 +36,8 @@ impl EiKeyboard {
self.client.event(Keymap {
self_id: self.id,
keymap_type: KEYMAP_TYPE_XKB,
size: state.map.len as _,
keymap: state.map.map.clone(),
size: state.map.map.len as _,
keymap: state.map.map.map.clone(),
});
}

47
src/ifs/wl_seat.rs
View file

@ -24,7 +24,7 @@ pub mod zwp_virtual_keyboard_v1;
use {
crate::{
async_engine::SpawnedFuture,
backend::{KeyState, LED_CAPS_LOCK, LED_NUM_LOCK, Leds},
backend::{KeyState, Leds},
client::{Client, ClientError, ClientId},
cursor_user::{CursorUser, CursorUserGroup, CursorUserOwner},
ei::ei_ifs::ei_seat::EiSeat,
@ -75,7 +75,7 @@ use {
xdg_toplevel_drag_v1::XdgToplevelDragV1,
},
kbvm::{KbvmMap, KbvmMapId, KbvmState, PhysicalKeyboardState},
keyboard::{DynKeyboardState, KeyboardState, KeyboardStateId, KeymapFd, ModifiersListener},
keyboard::{DynKeyboardState, KeyboardState, KeyboardStateId, KeymapFd, LedsListener},
leaks::Tracker,
object::{Object, Version},
rect::Rect,
@ -107,7 +107,7 @@ use {
},
ahash::AHashMap,
jay_config::keyboard::syms::{KeySym, SYM_Escape},
kbvm::{Components, Keycode, ModifierMask},
kbvm::Keycode,
smallvec::SmallVec,
std::{
cell::{Cell, RefCell},
@ -236,8 +236,8 @@ pub struct WlSeatGlobal {
focus_history_same_workspace: Cell<bool>,
mark_mode: Cell<Option<MarkMode>>,
marks: CopyHashMap<Keycode, Rc<dyn Node>>,
modifiers_listener: EventListener<dyn ModifiersListener>,
modifiers_forward: EventSource<dyn ModifiersListener>,
modifiers_listener: EventListener<dyn LedsListener>,
modifiers_forward: EventSource<dyn LedsListener>,
}
#[derive(Copy, Clone)]
@ -330,7 +330,7 @@ impl WlSeatGlobal {
});
slf.pointer_cursor.set_owner(slf.clone());
slf.modifiers_listener
.attach(&seat_kb_state.borrow().kb_state.mods_changed);
.attach(&seat_kb_state.borrow().kb_state.leds_changed);
let seat = slf.clone();
let future = state.eng.spawn("seat handler", async move {
loop {
@ -541,8 +541,8 @@ impl WlSeatGlobal {
}
{
let new = &*new.borrow();
self.modifiers_listener.attach(&new.kb_state.mods_changed);
self.dispatch_seat_modifiers_listeners(&new.kb_state.mods);
self.modifiers_listener.attach(&new.kb_state.leds_changed);
self.dispatch_seat_leds_listeners(new.kb_state.leds);
}
self.handle_keyboard_state_change(&old.borrow().kb_state, &new.borrow().kb_state);
}
@ -581,7 +581,7 @@ impl WlSeatGlobal {
fn attach_modifiers_listener(
&self,
id: PhysicalKeyboardId,
listener: &EventListener<dyn ModifiersListener>,
listener: &EventListener<dyn LedsListener>,
map: Option<&Rc<KbvmMap>>,
) {
let _ = self.get_physical_keyboard(id, map);
@ -592,18 +592,18 @@ impl WlSeatGlobal {
}
Some(m) => {
let state = self.get_kb_state(m);
listener.attach(&state.borrow().kb_state.mods_changed);
listener.attach(&state.borrow().kb_state.leds_changed);
state
}
};
if let Some(l) = listener.get() {
l.locked_mods(&state.borrow().kb_state.mods);
l.leds(state.borrow().kb_state.leds);
}
}
fn dispatch_seat_modifiers_listeners(&self, mods: &Components) {
fn dispatch_seat_leds_listeners(&self, leds: Leds) {
for listener in self.modifiers_forward.iter() {
listener.locked_mods(mods);
listener.leds(leds);
}
}
@ -1514,8 +1514,8 @@ impl WlSeat {
pub fn keymap_fd(&self, state: &KeyboardState) -> Result<KeymapFd, WlKeyboardError> {
let fd = match self.client.is_xwayland {
true => &state.xwayland_map,
_ => &state.map,
true => &state.map.xwayland_map,
_ => &state.map.map,
};
if self.version >= READ_ONLY_KEYMAP_SINCE {
return Ok(fd.clone());
@ -1739,22 +1739,15 @@ impl DeviceHandlerData {
}
}
impl ModifiersListener for DeviceHandlerData {
fn locked_mods(&self, mods: &Components) {
let mut leds = Leds::none();
if mods.mods_locked.contains(ModifierMask::NUM_LOCK) {
leds |= LED_NUM_LOCK;
}
if mods.mods_locked.contains(ModifierMask::LOCK) {
leds |= LED_CAPS_LOCK;
}
impl LedsListener for DeviceHandlerData {
fn leds(&self, leds: Leds) {
self.device.set_enabled_leds(leds);
}
}
impl ModifiersListener for WlSeatGlobal {
fn locked_mods(&self, mods: &Components) {
self.dispatch_seat_modifiers_listeners(mods);
impl LedsListener for WlSeatGlobal {
fn leds(&self, leds: Leds) {
self.dispatch_seat_leds_listeners(leds)
}
}

2
src/ifs/wl_seat/text_input/zwp_input_method_keyboard_grab_v2.rs
View file

@ -28,7 +28,7 @@ impl ZwpInputMethodKeyboardGrabV2 {
}
fn send_keymap(&self, kb_state: &KeyboardState) {
let map = match kb_state.map.create_unprotected_fd() {
let map = match kb_state.map.map.create_unprotected_fd() {
Ok(m) => m,
Err(e) => {
log::error!("Could not create new keymap fd: {}", ErrorFmt(e));

6
src/ifs/wl_seat/zwp_virtual_keyboard_manager_v1.rs
View file

@ -86,11 +86,11 @@ impl ZwpVirtualKeyboardManagerV1RequestHandler for ZwpVirtualKeyboardManagerV1 {
version: self.version,
kb_state: Rc::new(RefCell::new(KeyboardState {
id: self.client.state.keyboard_state_ids.next(),
map: seat_keymap.map.clone(),
xwayland_map: seat_keymap.xwayland_map.clone(),
map: seat_keymap.clone(),
pressed_keys: Default::default(),
mods: Default::default(),
mods_changed: Default::default(),
leds: Default::default(),
leds_changed: Default::default(),
})),
});
track!(self.client, kb);

11
src/ifs/wl_seat/zwp_virtual_keyboard_v1.rs
View file

@ -80,11 +80,11 @@ impl ZwpVirtualKeyboardV1RequestHandler for ZwpVirtualKeyboardV1 {
.map_err(ZwpVirtualKeyboardV1Error::ParseKeymap)?;
*self.kb_state.borrow_mut() = KeyboardState {
id: self.client.state.keyboard_state_ids.next(),
map: map.map.clone(),
xwayland_map: map.xwayland_map.clone(),
map: map.clone(),
pressed_keys: Default::default(),
mods: Default::default(),
mods_changed: Default::default(),
leds: Default::default(),
leds_changed: Default::default(),
};
Ok(())
}
@ -113,15 +113,12 @@ impl ZwpVirtualKeyboardV1RequestHandler for ZwpVirtualKeyboardV1 {
fn modifiers(&self, req: Modifiers, _slf: &Rc<Self>) -> Result<(), Self::Error> {
let kb_state = &mut *self.kb_state.borrow_mut();
let locked_mods = kb_state.mods.mods_locked;
kb_state.mods.mods_pressed.0 = req.mods_depressed;
kb_state.mods.mods_latched.0 = req.mods_latched;
kb_state.mods.mods_locked.0 = req.mods_locked;
kb_state.mods.group_locked.0 = req.group;
kb_state.mods.update_effective();
if locked_mods != kb_state.mods.mods_locked {
kb_state.dispatch_locked_mods_listeners();
}
kb_state.update_leds();
self.for_each_kb(|serial, surface, kb| {
kb.on_mods_changed(serial, surface.id, &kb_state);
});

36
src/kbvm.rs
View file

@ -12,6 +12,7 @@ use {
xkb::{
self, Keymap,
diagnostic::{Diagnostic, WriteToLog},
keymap::{Indicator, IndicatorMatcher},
},
},
std::{
@ -52,6 +53,12 @@ pub struct KbvmMap {
pub lookup_table: LookupTable,
pub map: KeymapFd,
pub xwayland_map: KeymapFd,
pub has_indicators: bool,
pub num_lock: Option<IndicatorMatcher>,
pub caps_lock: Option<IndicatorMatcher>,
pub scroll_lock: Option<IndicatorMatcher>,
pub compose: Option<IndicatorMatcher>,
pub kana: Option<IndicatorMatcher>,
}
pub struct KbvmState {
@ -85,6 +92,23 @@ impl KbvmContext {
.ctx
.keymap_from_bytes(WriteToLog, None, keymap)
.map_err(KbvmError::CouldNotParseKeymap)?;
let mut has_indicators = false;
let mut num_lock = None;
let mut caps_lock = None;
let mut scroll_lock = None;
let mut compose = None;
let mut kana = None;
for indicator in map.indicators() {
match indicator.name() {
Indicator::NUM_LOCK => num_lock = Some(indicator.matcher()),
Indicator::CAPS_LOCK => caps_lock = Some(indicator.matcher()),
Indicator::SCROLL_LOCK => scroll_lock = Some(indicator.matcher()),
Indicator::COMPOSE => compose = Some(indicator.matcher()),
Indicator::KANA => kana = Some(indicator.matcher()),
_ => continue,
}
has_indicators = true;
}
let builder = map.to_builder();
Ok(Rc::new(KbvmMap {
id: KbvmMapId(*blake3::hash(keymap).as_bytes()),
@ -92,6 +116,12 @@ impl KbvmContext {
map: create_keymap_memfd(&map, false).map_err(KbvmError::KeymapMemfd)?,
xwayland_map: create_keymap_memfd(&map, true).map_err(KbvmError::KeymapMemfd)?,
lookup_table: builder.build_lookup_table(),
has_indicators,
num_lock,
caps_lock,
scroll_lock,
compose,
kana,
}))
}
}
@ -123,11 +153,11 @@ impl KbvmMap {
state: self.state_machine.create_state(),
kb_state: KeyboardState {
id,
map: self.map.clone(),
xwayland_map: self.xwayland_map.clone(),
map: self.clone(),
pressed_keys: Default::default(),
mods: Default::default(),
mods_changed: Default::default(),
leds: Default::default(),
leds_changed: Default::default(),
},
}
}

48
src/keyboard.rs
View file

@ -1,5 +1,9 @@
use {
crate::utils::{event_listener::EventSource, oserror::OsError, vecset::VecSet},
crate::{
backend::{LED_CAPS_LOCK, LED_COMPOSE, LED_KANA, LED_NUM_LOCK, LED_SCROLL_LOCK, Leds},
kbvm::KbvmMap,
utils::{event_listener::EventSource, oserror::OsError, vecset::VecSet},
},
kbvm::{Components, state_machine::Event},
std::{
cell::{Ref, RefCell},
@ -21,15 +25,15 @@ linear_ids!(KeyboardStateIds, KeyboardStateId, u64);
pub struct KeyboardState {
pub id: KeyboardStateId,
pub map: KeymapFd,
pub xwayland_map: KeymapFd,
pub map: Rc<KbvmMap>,
pub pressed_keys: VecSet<u32>,
pub mods: Components,
pub mods_changed: EventSource<dyn ModifiersListener>,
pub leds: Leds,
pub leds_changed: EventSource<dyn LedsListener>,
}
pub trait ModifiersListener {
fn locked_mods(&self, mods: &Components);
pub trait LedsListener {
fn leds(&self, leds: Leds);
}
pub trait DynKeyboardState {
@ -44,17 +48,37 @@ impl DynKeyboardState for RefCell<KeyboardState> {
impl KeyboardState {
pub fn apply_event(&mut self, event: Event) -> bool {
let locked_mods = self.mods.mods_locked;
let changed = self.mods.apply_event(event);
if locked_mods != self.mods.mods_locked {
self.dispatch_locked_mods_listeners();
if changed && self.map.has_indicators {
self.update_leds();
}
changed
}
pub fn dispatch_locked_mods_listeners(&self) {
for listener in self.mods_changed.iter() {
listener.locked_mods(&self.mods);
pub fn update_leds(&mut self) {
if !self.map.has_indicators {
return;
}
let mut new = Leds::none();
macro_rules! map_led {
($field:ident, $led:ident) => {
if let Some(m) = &self.map.$field
&& m.matches(&self.mods)
{
new |= $led;
}
};
}
map_led!(num_lock, LED_NUM_LOCK);
map_led!(caps_lock, LED_CAPS_LOCK);
map_led!(scroll_lock, LED_SCROLL_LOCK);
map_led!(compose, LED_COMPOSE);
map_led!(kana, LED_KANA);
if new != self.leds {
self.leds = new;
for listener in self.leds_changed.iter() {
listener.leds(new);
}
}
}
}

4
src/state.rs
View file

@ -83,7 +83,7 @@ use {
},
io_uring::IoUring,
kbvm::{KbvmContext, KbvmMap},
keyboard::{KeyboardStateIds, ModifiersListener},
keyboard::{KeyboardStateIds, LedsListener},
leaks::Tracker,
logger::Logger,
pr_caps::PrCapsThread,
@ -397,7 +397,7 @@ pub struct DeviceHandlerData {
pub tablet_pad_init: Option<Box<TabletPadInit>>,
pub is_touch: bool,
pub is_kb: bool,
pub mods_listener: EventListener<dyn ModifiersListener>,
pub mods_listener: EventListener<dyn LedsListener>,
}
pub struct ConnectorData {