69 lines
2 KiB
Rust
69 lines
2 KiB
Rust
use {
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crate::{
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client::{Client, ClientError},
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ifs::wl_surface::{x_surface::XSurface, WlSurfaceError},
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leaks::Tracker,
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object::{Object, Version},
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utils::cell_ext::CellExt,
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wire::{xwayland_surface_v1::*, XwaylandSurfaceV1Id},
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},
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std::rc::Rc,
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thiserror::Error,
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};
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pub struct XwaylandSurfaceV1 {
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pub id: XwaylandSurfaceV1Id,
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pub client: Rc<Client>,
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pub x: Rc<XSurface>,
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pub tracker: Tracker<Self>,
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pub version: Version,
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}
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impl XwaylandSurfaceV1RequestHandler for XwaylandSurfaceV1 {
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type Error = XwaylandSurfaceV1Error;
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fn set_serial(&self, req: SetSerial, _slf: &Rc<Self>) -> Result<(), Self::Error> {
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if self.x.surface.xwayland_serial.is_some() {
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return Err(XwaylandSurfaceV1Error::SerialAlreadySet);
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}
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let serial = req.serial_lo as u64 | ((req.serial_hi as u64) << 32);
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if self.client.last_xwayland_serial.get() >= serial {
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return Err(XwaylandSurfaceV1Error::NonMonotonicSerial);
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}
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self.client.last_xwayland_serial.set(serial);
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self.x.surface.pending.borrow_mut().xwayland_serial = Some(serial);
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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.x.xwayland_surface.set(None);
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self.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 = XwaylandSurfaceV1;
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version = self.version;
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}
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impl Object for XwaylandSurfaceV1 {
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fn break_loops(&self) {
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self.x.xwayland_surface.set(None);
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}
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}
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simple_add_obj!(XwaylandSurfaceV1);
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#[derive(Debug, Error)]
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pub enum XwaylandSurfaceV1Error {
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#[error("The serial for this surface is already set")]
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SerialAlreadySet,
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#[error("The serial is not larger than the previously used serial")]
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NonMonotonicSerial,
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#[error(transparent)]
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WlSurfaceError(#[from] WlSurfaceError),
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#[error(transparent)]
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ClientError(Box<ClientError>),
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}
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efrom!(XwaylandSurfaceV1Error, ClientError);
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