76 lines
2.1 KiB
Rust
76 lines
2.1 KiB
Rust
use {
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crate::{
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client::ClientError,
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ifs::wl_surface::WlSurface,
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leaks::Tracker,
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object::{Object, Version},
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wire::{WlSurfaceId, WpTearingControlV1Id, wp_tearing_control_v1::*},
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},
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std::{fmt::Debug, rc::Rc},
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thiserror::Error,
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};
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const VSYNC: u32 = 0;
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const ASYNC: u32 = 1;
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pub struct WpTearingControlV1 {
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pub id: WpTearingControlV1Id,
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pub surface: Rc<WlSurface>,
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pub tracker: Tracker<Self>,
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pub version: Version,
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}
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impl WpTearingControlV1 {
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pub fn install(self: &Rc<Self>) -> Result<(), WpTearingControlV1Error> {
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if self.surface.tearing_control.is_some() {
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return Err(WpTearingControlV1Error::AlreadyAttached(self.surface.id));
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}
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self.surface.tearing_control.set(Some(self.clone()));
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Ok(())
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}
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}
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impl WpTearingControlV1RequestHandler for WpTearingControlV1 {
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type Error = WpTearingControlV1Error;
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fn set_presentation_hint(
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&self,
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req: SetPresentationHint,
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_slf: &Rc<Self>,
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) -> Result<(), Self::Error> {
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let tearing = match req.hint {
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VSYNC => false,
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ASYNC => true,
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_ => return Err(WpTearingControlV1Error::UnknownPresentationHint(req.hint)),
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};
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self.surface.pending.borrow_mut().tearing = Some(tearing);
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Ok(())
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}
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fn destroy(&self, _req: Destroy, _slf: &Rc<Self>) -> Result<(), Self::Error> {
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self.surface.pending.borrow_mut().tearing = Some(false);
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self.surface.tearing_control.take();
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self.surface.client.remove_obj(self)?;
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Ok(())
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}
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}
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object_base! {
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self = WpTearingControlV1;
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version = self.version;
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}
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impl Object for WpTearingControlV1 {}
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simple_add_obj!(WpTearingControlV1);
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#[derive(Debug, Error)]
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pub enum WpTearingControlV1Error {
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#[error("Surface {0} already has a wp_tearing_control")]
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AlreadyAttached(WlSurfaceId),
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#[error("Unknown presentation hint {0}")]
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UnknownPresentationHint(u32),
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#[error(transparent)]
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ClientError(Box<ClientError>),
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}
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efrom!(WpTearingControlV1Error, ClientError);
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