72 lines
1.9 KiB
Rust
72 lines
1.9 KiB
Rust
use {
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crate::{
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client::{Client, ClientError},
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cursor::KnownCursor,
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ifs::wl_seat::WlSeatGlobal,
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leaks::Tracker,
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object::Object,
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utils::buffd::{MsgParser, MsgParserError},
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wire::{jay_pointer::*, JayPointerId},
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},
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num_traits::FromPrimitive,
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std::rc::Rc,
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thiserror::Error,
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};
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pub struct JayPointer {
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pub id: JayPointerId,
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pub client: Rc<Client>,
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pub seat: Rc<WlSeatGlobal>,
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pub tracker: Tracker<Self>,
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}
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impl JayPointer {
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fn destroy(&self, parser: MsgParser<'_, '_>) -> Result<(), JayPointerError> {
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let _req: Destroy = self.client.parse(self, parser)?;
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self.client.remove_obj(self)?;
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Ok(())
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}
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fn set_known_cursor(&self, parser: MsgParser<'_, '_>) -> Result<(), JayPointerError> {
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let req: SetKnownCursor = self.client.parse(self, parser)?;
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let cursor = match KnownCursor::from_u32(req.idx) {
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Some(c) => c,
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_ => return Err(JayPointerError::OutOfBounds),
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};
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let pointer_node = match self.seat.pointer_node() {
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Some(n) => n,
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_ => {
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// cannot happen
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return Ok(());
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}
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};
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if pointer_node.node_client_id() != Some(self.client.id) {
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return Ok(());
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}
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self.seat.set_known_cursor(cursor);
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Ok(())
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}
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}
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object_base! {
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self = JayPointer;
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DESTROY => destroy,
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SET_KNOWN_CURSOR => set_known_cursor,
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}
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impl Object for JayPointer {}
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simple_add_obj!(JayPointer);
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#[derive(Debug, Error)]
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pub enum JayPointerError {
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#[error("Parsing failed")]
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MsgParserError(Box<MsgParserError>),
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#[error(transparent)]
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ClientError(Box<ClientError>),
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#[error("Cursor index is out of bounds")]
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OutOfBounds,
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}
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efrom!(JayPointerError, MsgParserError);
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efrom!(JayPointerError, ClientError);
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