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seat: implement per-device keymaps

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This commit is contained in:
Julian Orth 2024-04-12 17:06:16 +02:00
parent 225995eb2f
commit 826f40adca
21 changed files with 293 additions and 71 deletions
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112
src/cli/input.rs
View file

@ -19,7 +19,7 @@ use {
ops::DerefMut,
rc::Rc,
},
uapi::c,
uapi::{c, OwnedFd},
};
#[derive(Args, Debug)]
@ -119,6 +119,10 @@ pub enum DeviceCommand {
SetPxPerWheelScroll(SetPxPerWheelScrollArgs),
/// Set the transformation matrix.
SetTransformMatrix(SetTransformMatrixArgs),
/// Set the keymap of this device.
SetKeymap(SetKeymapArgs),
/// Retrieve the keymap of this device.
Keymap,
/// Attach the device to a seat.
Attach(AttachArgs),
/// Detach the device from its seat.
@ -292,6 +296,47 @@ impl Input {
});
}
fn prepare_keymap(&self, a: &SetKeymapArgs) -> (Rc<OwnedFd>, usize) {
let map = match &a.file {
None => {
let mut map = vec![];
if let Err(e) = stdin().read_to_end(&mut map) {
eprintln!("Could not read from stdin: {}", ErrorFmt(e));
std::process::exit(1);
}
map
}
Some(f) => match std::fs::read(f) {
Ok(m) => m,
Err(e) => {
eprintln!("Could not read {}: {}", f, ErrorFmt(e));
std::process::exit(1);
}
},
};
let mut memfd =
uapi::memfd_create("keymap", c::MFD_CLOEXEC | c::MFD_ALLOW_SEALING).unwrap();
memfd.write_all(&map).unwrap();
uapi::lseek(memfd.raw(), 0, c::SEEK_SET).unwrap();
uapi::fcntl_add_seals(
memfd.raw(),
c::F_SEAL_SEAL | c::F_SEAL_GROW | c::F_SEAL_SHRINK | c::F_SEAL_WRITE,
)
.unwrap();
(Rc::new(memfd), map.len())
}
async fn handle_keymap(&self, input: JayInputId) -> Vec<u8> {
let data = Rc::new(RefCell::new(Vec::new()));
jay_input::Keymap::handle(&self.tc, input, data.clone(), |d, map| {
let mem = Rc::new(ClientMem::new(map.keymap.raw(), map.keymap_len as _, true).unwrap())
.offset(0);
mem.read(d.borrow_mut().deref_mut()).unwrap();
});
self.tc.round_trip().await;
data.take()
}
async fn seat(self: &Rc<Self>, input: JayInputId, args: SeatArgs) {
let tc = &self.tc;
match args.command.unwrap_or_default() {
@ -318,40 +363,15 @@ impl Input {
});
}
SeatCommand::SetKeymap(a) => {
let (memfd, len) = self.prepare_keymap(&a);
self.handle_error(input, |e| {
eprintln!("Could not set keymap: {}", e);
});
let map = match &a.file {
None => {
let mut map = vec![];
if let Err(e) = stdin().read_to_end(&mut map) {
eprintln!("Could not read from stdin: {}", ErrorFmt(e));
std::process::exit(1);
}
map
}
Some(f) => match std::fs::read(f) {
Ok(m) => m,
Err(e) => {
eprintln!("Could not read {}: {}", f, ErrorFmt(e));
std::process::exit(1);
}
},
};
let mut memfd =
uapi::memfd_create("keymap", c::MFD_CLOEXEC | c::MFD_ALLOW_SEALING).unwrap();
memfd.write_all(&map).unwrap();
uapi::lseek(memfd.raw(), 0, c::SEEK_SET).unwrap();
uapi::fcntl_add_seals(
memfd.raw(),
c::F_SEAL_SEAL | c::F_SEAL_GROW | c::F_SEAL_SHRINK | c::F_SEAL_WRITE,
)
.unwrap();
tc.send(jay_input::SetKeymap {
self_id: input,
seat: &args.seat,
keymap: Rc::new(memfd),
keymap_len: map.len() as _,
keymap: memfd,
keymap_len: len as _,
});
}
SeatCommand::UseHardwareCursor(a) => {
@ -368,20 +388,11 @@ impl Input {
self.handle_error(input, |e| {
eprintln!("Could not retrieve the keymap: {}", e);
});
let data = Rc::new(RefCell::new(Vec::new()));
jay_input::Keymap::handle(tc, input, data.clone(), |d, map| {
let mem = Rc::new(
ClientMem::new(map.keymap.raw(), map.keymap_len as _, true).unwrap(),
)
.offset(0);
mem.read(d.borrow_mut().deref_mut()).unwrap();
});
tc.send(jay_input::GetKeymap {
self_id: input,
seat: &args.seat,
});
tc.round_trip().await;
let map = data.take();
let map = self.handle_keymap(input).await;
stdout().write_all(&map).unwrap();
}
SeatCommand::SetCursorSize(a) => {
@ -530,6 +541,29 @@ impl Input {
id: args.device,
});
}
DeviceCommand::SetKeymap(a) => {
let (memfd, len) = self.prepare_keymap(&a);
self.handle_error(input, |e| {
eprintln!("Could not set keymap: {}", e);
});
tc.send(jay_input::SetDeviceKeymap {
self_id: input,
id: args.device,
keymap: memfd,
keymap_len: len as _,
});
}
DeviceCommand::Keymap => {
self.handle_error(input, |e| {
eprintln!("Could not retrieve the keymap: {}", e);
});
tc.send(jay_input::GetDeviceKeymap {
self_id: input,
id: args.device,
});
let map = self.handle_keymap(input).await;
stdout().write_all(&map).unwrap();
}
}
tc.round_trip().await;
}

21
src/config/handler.rs
View file

@ -299,7 +299,23 @@ impl ConfigProxyHandler {
} else {
self.get_keymap(keymap)?
};
seat.set_keymap(&keymap);
seat.set_seat_keymap(&keymap);
Ok(())
}
fn handle_set_device_keymap(
&self,
device: InputDevice,
keymap: Keymap,
) -> Result<(), CphError> {
let dev = self.get_device_handler_data(device)?;
if keymap.is_invalid() {
dev.keymap_id.set(None);
dev.keymap.set(None);
} else {
let map = self.get_keymap(keymap)?;
dev.set_keymap(&map);
};
Ok(())
}
@ -1746,6 +1762,9 @@ impl ConfigProxyHandler {
self.handle_set_explicit_sync_enabled(enabled)
}
ClientMessage::GetSocketPath => self.handle_get_socket_path(),
ClientMessage::DeviceSetKeymap { device, keymap } => self
.handle_set_device_keymap(device, keymap)
.wrn("set_device_keymap")?,
}
Ok(())
}

48
src/ifs/jay_input.rs
View file

@ -13,10 +13,11 @@ use {
state::{DeviceHandlerData, InputDeviceData},
utils::errorfmt::ErrorFmt,
wire::{jay_input::*, JayInputId},
xkbcommon::XkbCommonError,
xkbcommon::{XkbCommonError, XkbKeymap},
},
std::rc::Rc,
thiserror::Error,
uapi::OwnedFd,
};
pub struct JayInput {
@ -67,8 +68,7 @@ impl JayInput {
});
}
fn send_keymap(&self, data: &WlSeatGlobal) {
let map = data.keymap();
fn send_keymap(&self, map: &XkbKeymap) {
self.client.event(Keymap {
self_id: self.id,
keymap: map.map.clone(),
@ -138,6 +138,20 @@ impl JayInput {
Some(d) => Ok(d.data.clone()),
}
}
fn set_keymap_impl<F>(&self, keymap: &OwnedFd, len: u32, f: F) -> Result<(), JayInputError>
where
F: FnOnce(&Rc<XkbKeymap>) -> Result<(), JayInputError>,
{
let cm = Rc::new(ClientMem::new(keymap.raw(), len as _, true)?).offset(0);
let mut map = vec![];
cm.read(&mut map)?;
self.or_error(|| {
let map = self.client.state.xkb_ctx.keymap_from_str(&map)?;
f(&map)?;
Ok(())
})
}
}
impl JayInputRequestHandler for JayInput {
@ -174,13 +188,9 @@ impl JayInputRequestHandler for JayInput {
}
fn set_keymap(&self, req: SetKeymap, _slf: &Rc<Self>) -> Result<(), Self::Error> {
let cm = Rc::new(ClientMem::new(req.keymap.raw(), req.keymap_len as _, true)?).offset(0);
let mut map = vec![];
cm.read(&mut map)?;
self.or_error(|| {
let map = self.client.state.xkb_ctx.keymap_from_str(&map)?;
self.set_keymap_impl(&req.keymap, req.keymap_len, |map| {
let seat = self.seat(req.seat)?;
seat.set_keymap(&map);
seat.set_seat_keymap(&map);
Ok(())
})
}
@ -200,7 +210,7 @@ impl JayInputRequestHandler for JayInput {
fn get_keymap(&self, req: GetKeymap, _slf: &Rc<Self>) -> Result<(), Self::Error> {
self.or_error(|| {
let seat = self.seat(req.seat)?;
self.send_keymap(&seat);
self.send_keymap(&seat.keymap());
Ok(())
})
}
@ -360,6 +370,24 @@ impl JayInputRequestHandler for JayInput {
}
})
}
fn set_device_keymap(&self, req: SetDeviceKeymap, _slf: &Rc<Self>) -> Result<(), Self::Error> {
self.set_keymap_impl(&req.keymap, req.keymap_len, |map| {
let dev = self.device(req.id)?;
dev.set_keymap(&map);
Ok(())
})
}
fn get_device_keymap(&self, req: GetDeviceKeymap, _slf: &Rc<Self>) -> Result<(), Self::Error> {
self.or_error(|| {
let dev = self.device(req.id)?;
if let Some(map) = dev.keymap.get() {
self.send_keymap(&map);
}
Ok(())
})
}
}
object_base! {

24
src/ifs/wl_seat.rs
View file

@ -63,7 +63,7 @@ use {
WlSeatId, ZwlrDataControlDeviceV1Id, ZwpPrimarySelectionDeviceV1Id,
ZwpRelativePointerV1Id,
},
xkbcommon::{XkbKeymap, XkbState},
xkbcommon::{KeymapId, XkbKeymap, XkbState},
},
ahash::AHashMap,
jay_config::keyboard::mods::Modifiers,
@ -141,7 +141,10 @@ pub struct WlSeatGlobal {
wlr_data_devices:
CopyHashMap<(ClientId, ZwlrDataControlDeviceV1Id), Rc<ZwlrDataControlDeviceV1>>,
repeat_rate: Cell<(i32, i32)>,
kb_map: CloneCell<Rc<XkbKeymap>>,
seat_kb_map: CloneCell<Rc<XkbKeymap>>,
seat_kb_map_id: Cell<KeymapId>,
effective_kb_map: CloneCell<Rc<XkbKeymap>>,
effective_kb_map_id: Cell<KeymapId>,
kb_state: RefCell<XkbState>,
cursor: CloneCell<Option<Rc<dyn Cursor>>>,
tree_changed: Rc<AsyncEvent>,
@ -197,7 +200,10 @@ impl WlSeatGlobal {
data_devices: RefCell::new(Default::default()),
primary_selection_devices: RefCell::new(Default::default()),
repeat_rate: Cell::new((25, 250)),
kb_map: CloneCell::new(state.default_keymap.clone()),
seat_kb_map: CloneCell::new(state.default_keymap.clone()),
seat_kb_map_id: Cell::new(state.default_keymap.id),
effective_kb_map: CloneCell::new(state.default_keymap.clone()),
effective_kb_map_id: Cell::new(state.default_keymap.id),
kb_state: RefCell::new(state.default_keymap.state().unwrap()),
cursor: Default::default(),
tree_changed: Default::default(),
@ -238,7 +244,7 @@ impl WlSeatGlobal {
}
pub fn keymap(&self) -> Rc<XkbKeymap> {
self.kb_map.get()
self.seat_kb_map.get()
}
pub fn toplevel_drag(&self) -> Option<Rc<XdgToplevelDragV1>> {
@ -507,7 +513,12 @@ impl WlSeatGlobal {
false
}
pub fn set_keymap(&self, keymap: &Rc<XkbKeymap>) {
pub fn set_seat_keymap(&self, keymap: &Rc<XkbKeymap>) {
self.seat_kb_map.set(keymap.clone());
self.seat_kb_map_id.set(keymap.id);
}
fn set_effective_keymap(&self, keymap: &Rc<XkbKeymap>) {
let state = match keymap.state() {
Ok(s) => s,
Err(e) => {
@ -516,7 +527,8 @@ impl WlSeatGlobal {
}
};
self.keyboard_node.get().node_on_unfocus(self);
self.kb_map.set(keymap.clone());
self.effective_kb_map.set(keymap.clone());
self.effective_kb_map_id.set(keymap.id);
*self.kb_state.borrow_mut() = state;
self.keymap_version.fetch_add(1);
self.pressed_keys.borrow_mut().clear();

15
src/ifs/wl_seat/event_handling.rs
View file

@ -196,7 +196,20 @@ impl WlSeatGlobal {
time_usec,
key,
state,
} => self.key_event(time_usec, key, state),
} => {
let desired_kb_map_id = match dev.keymap_id.get() {
Some(id) => id,
None => self.seat_kb_map_id.get(),
};
if desired_kb_map_id != self.effective_kb_map_id.get() {
let map = match dev.keymap.get() {
Some(map) => map,
None => self.seat_kb_map.get(),
};
self.set_effective_keymap(&map);
}
self.key_event(time_usec, key, state)
}
InputEvent::ConnectorPosition {
time_usec,
connector,

2
src/ifs/wl_seat/wl_keyboard.rs
View file

@ -38,7 +38,7 @@ impl WlKeyboard {
}
pub fn send_keymap(&self) {
let map = self.seat.global.kb_map.get();
let map = self.seat.global.effective_kb_map.get();
let fd = match self.seat.keymap_fd(&map) {
Ok(fd) => fd,
Err(e) => {

11
src/state.rs
View file

@ -74,7 +74,7 @@ use {
ExtForeignToplevelListV1Id, JayRenderCtxId, JaySeatEventsId, JayWorkspaceWatcherId,
ZwpLinuxDmabufFeedbackV1Id,
},
xkbcommon::{XkbContext, XkbKeymap},
xkbcommon::{KeymapId, XkbContext, XkbKeymap},
xwayland::{self, XWaylandEvent},
},
ahash::AHashMap,
@ -244,6 +244,15 @@ pub struct DeviceHandlerData {
pub device: Rc<dyn InputDevice>,
pub syspath: Option<String>,
pub devnode: Option<String>,
pub keymap_id: Cell<Option<KeymapId>>,
pub keymap: CloneCell<Option<Rc<XkbKeymap>>>,
}
impl DeviceHandlerData {
pub fn set_keymap(&self, keymap: &Rc<XkbKeymap>) {
self.keymap_id.set(Some(keymap.id));
self.keymap.set(Some(keymap.clone()));
}
}
pub struct ConnectorData {

2
src/tasks/input_device.rs
View file

@ -21,6 +21,8 @@ pub fn handle(state: &Rc<State>, dev: Rc<dyn InputDevice>) {
device: dev.clone(),
syspath: props.syspath,
devnode: props.devnode,
keymap_id: Default::default(),
keymap: Default::default(),
});
let ae = Rc::new(AsyncEvent::default());
let oh = DeviceHandler {

14
src/xkbcommon.rs
View file

@ -101,12 +101,15 @@ extern "C" {
pub struct XkbContext {
context: *mut xkb_context,
ids: KeymapIds,
}
extern "C" {
fn jay_xkbcommon_log_handler_bridge();
}
linear_ids!(KeymapIds, KeymapId, u64);
impl XkbContext {
pub fn new() -> Result<Self, XkbCommonError> {
let res = unsafe { xkb_context_new(XKB_CONTEXT_NO_FLAGS.raw() as _) };
@ -117,10 +120,13 @@ impl XkbContext {
xkb_context_set_log_verbosity(res, 10);
xkb_context_set_log_fn(res, jay_xkbcommon_log_handler_bridge);
}
Ok(Self { context: res })
Ok(Self {
context: res,
ids: Default::default(),
})
}
fn raw_to_map(raw: *mut xkb_keymap) -> Result<Rc<XkbKeymap>, XkbCommonError> {
fn raw_to_map(&self, raw: *mut xkb_keymap) -> Result<Rc<XkbKeymap>, XkbCommonError> {
let res = unsafe { xkb_keymap_get_as_string(raw, XKB_KEYMAP_FORMAT_TEXT_V1.raw() as _) };
if res.is_null() {
unsafe {
@ -142,6 +148,7 @@ impl XkbContext {
)
.unwrap();
Ok(Rc::new(XkbKeymap {
id: self.ids.next(),
keymap: raw,
map: Rc::new(memfd),
map_len: str.len() + 1,
@ -164,7 +171,7 @@ impl XkbContext {
if keymap.is_null() {
return Err(XkbCommonError::KeymapFromBuffer);
}
Self::raw_to_map(keymap)
self.raw_to_map(keymap)
}
}
}
@ -178,6 +185,7 @@ impl Drop for XkbContext {
}
pub struct XkbKeymap {
pub id: KeymapId,
keymap: *mut xkb_keymap,
pub map: Rc<OwnedFd>,
pub map_len: usize,