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wry/src/ei/ei_ifs/ei_button.rs
2024-07-25 19:40:29 +02:00

72 lines
1.8 KiB
Rust

use {
crate::{
backend::KeyState,
ei::{
ei_client::{EiClient, EiClientError},
ei_ifs::ei_device::{EiDevice, EiDeviceInterface},
ei_object::{EiObject, EiVersion},
},
leaks::Tracker,
wire_ei::{
ei_button::{ClientButton, EiButtonRequestHandler, Release, ServerButton},
EiButtonId,
},
},
std::rc::Rc,
thiserror::Error,
};
pub struct EiButton {
pub id: EiButtonId,
pub client: Rc<EiClient>,
pub tracker: Tracker<Self>,
pub version: EiVersion,
pub device: Rc<EiDevice>,
}
ei_device_interface!(EiButton, ei_button, button);
impl EiButton {
pub fn send_button(&self, button: u32, state: KeyState) {
self.client.event(ServerButton {
self_id: self.id,
button,
state: state as _,
});
}
}
impl EiButtonRequestHandler for EiButton {
type Error = EiButtonError;
fn release(&self, _req: Release, _slf: &Rc<Self>) -> Result<(), Self::Error> {
self.destroy()?;
Ok(())
}
fn client_button(&self, req: ClientButton, _slf: &Rc<Self>) -> Result<(), Self::Error> {
let pressed = match req.state {
0 => KeyState::Released,
1 => KeyState::Pressed,
_ => return Err(EiButtonError::InvalidButtonState(req.state)),
};
self.device.button_changes.push((req.button, pressed));
Ok(())
}
}
ei_object_base! {
self = EiButton;
version = self.version;
}
impl EiObject for EiButton {}
#[derive(Debug, Error)]
pub enum EiButtonError {
#[error(transparent)]
EiClientError(Box<EiClientError>),
#[error("Invalid button state {0}")]
InvalidButtonState(u32),
}
efrom!(EiButtonError, EiClientError);