137 lines
3.6 KiB
Rust
137 lines
3.6 KiB
Rust
use {
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crate::{
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client::{CAP_LAYER_SHELL, Client, ClientCaps, ClientError},
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globals::{Global, GlobalName},
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ifs::wl_surface::zwlr_layer_surface_v1::{ZwlrLayerSurfaceV1, ZwlrLayerSurfaceV1Error},
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leaks::Tracker,
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object::{Object, Version},
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wire::{ZwlrLayerShellV1Id, zwlr_layer_shell_v1::*},
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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 const BACKGROUND: u32 = 0;
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pub const BOTTOM: u32 = 1;
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pub const TOP: u32 = 2;
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pub const OVERLAY: u32 = 3;
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pub struct ZwlrLayerShellV1Global {
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name: GlobalName,
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}
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pub struct ZwlrLayerShellV1 {
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pub id: ZwlrLayerShellV1Id,
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pub client: Rc<Client>,
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pub version: Version,
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pub tracker: Tracker<Self>,
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}
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impl ZwlrLayerShellV1Global {
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pub fn new(name: GlobalName) -> Self {
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Self { name }
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}
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fn bind_(
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self: Rc<Self>,
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id: ZwlrLayerShellV1Id,
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client: &Rc<Client>,
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version: Version,
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) -> Result<(), ZwlrLayerShellV1Error> {
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let obj = Rc::new(ZwlrLayerShellV1 {
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id,
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client: client.clone(),
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version,
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tracker: Default::default(),
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});
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track!(client, obj);
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client.add_client_obj(&obj)?;
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Ok(())
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}
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}
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impl ZwlrLayerShellV1RequestHandler for ZwlrLayerShellV1 {
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type Error = ZwlrLayerShellV1Error;
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fn get_layer_surface(&self, req: GetLayerSurface, slf: &Rc<Self>) -> Result<(), Self::Error> {
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let surface = self.client.lookup(req.surface)?;
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let output = 'get_output: {
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if req.output.is_some() {
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self.client.lookup(req.output)?.global.clone()
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} else {
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for seat in self.client.state.seat_queue.rev_iter() {
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let output = seat.get_fallback_output();
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if !output.is_dummy {
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break 'get_output output.global.opt.clone();
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}
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}
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let outputs = self.client.state.root.outputs.lock();
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if let Some(output) = outputs.values().next() {
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break 'get_output output.global.opt.clone();
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}
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return Err(ZwlrLayerShellV1Error::NoOutputs);
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}
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};
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if req.layer > OVERLAY {
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return Err(ZwlrLayerShellV1Error::UnknownLayer(req.layer));
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}
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let surface = Rc::new(ZwlrLayerSurfaceV1::new(
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req.id,
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slf,
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&surface,
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&output,
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req.layer,
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req.namespace,
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));
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track!(self.client, surface);
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self.client.add_client_obj(&surface)?;
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surface.install()?;
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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.client.remove_obj(self)?;
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Ok(())
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}
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}
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global_base!(
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ZwlrLayerShellV1Global,
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ZwlrLayerShellV1,
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ZwlrLayerShellV1Error
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);
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impl Global for ZwlrLayerShellV1Global {
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fn version(&self) -> u32 {
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5
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}
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fn required_caps(&self) -> ClientCaps {
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CAP_LAYER_SHELL
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}
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}
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simple_add_global!(ZwlrLayerShellV1Global);
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object_base! {
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self = ZwlrLayerShellV1;
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version = self.version;
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}
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simple_add_obj!(ZwlrLayerShellV1);
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impl Object for ZwlrLayerShellV1 {}
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#[derive(Debug, Error)]
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pub enum ZwlrLayerShellV1Error {
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#[error(transparent)]
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ClientError(Box<ClientError>),
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#[error("Unknown layer {0}")]
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UnknownLayer(u32),
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#[error("There are no outputs")]
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NoOutputs,
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#[error(transparent)]
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ZwlrLayerSurfaceV1Error(Box<ZwlrLayerSurfaceV1Error>),
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}
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efrom!(ZwlrLayerShellV1Error, ClientError);
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efrom!(ZwlrLayerShellV1Error, ZwlrLayerSurfaceV1Error);
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