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wry/src/ifs/xdg_wm_base/mod.rs
2022-01-03 18:56:52 +01:00

159 lines
4 KiB
Rust

mod types;
use crate::client::{AddObj, Client};
use crate::globals::{Global, GlobalName};
use crate::ifs::wl_surface::xdg_surface::XdgSurface;
use crate::ifs::xdg_positioner::XdgPositioner;
use crate::object::{Interface, Object, ObjectId};
use crate::utils::buffd::MsgParser;
use crate::utils::copyhashmap::CopyHashMap;
use std::rc::Rc;
pub use types::*;
const DESTROY: u32 = 0;
const CREATE_POSITIONER: u32 = 1;
const GET_XDG_SURFACE: u32 = 2;
const PONG: u32 = 3;
const PING: u32 = 0;
const ROLE: u32 = 0;
const DEFUNCT_SURFACES: u32 = 1;
const NOT_THE_TOPMOST_POPUP: u32 = 2;
const INVALID_POPUP_PARENT: u32 = 3;
const INVALID_SURFACE_STATE: u32 = 4;
const INVALID_POSITIONER: u32 = 5;
pub struct XdgWmBaseGlobal {
name: GlobalName,
}
pub struct XdgWmBaseObj {
global: Rc<XdgWmBaseGlobal>,
id: ObjectId,
client: Rc<Client>,
version: u32,
pub(super) surfaces: CopyHashMap<ObjectId, Rc<XdgSurface>>,
}
impl XdgWmBaseGlobal {
pub fn new(name: GlobalName) -> Self {
Self { name }
}
async fn bind_(
self: Rc<Self>,
id: ObjectId,
client: &Rc<Client>,
version: u32,
) -> Result<(), XdgWmBaseError> {
let obj = Rc::new(XdgWmBaseObj {
global: self,
id,
client: client.clone(),
version,
surfaces: Default::default(),
});
client.add_client_obj(&obj)?;
Ok(())
}
}
impl XdgWmBaseObj {
pub fn break_loops(&self) {
self.surfaces.clear();
}
async fn destroy(&self, parser: MsgParser<'_, '_>) -> Result<(), DestroyError> {
let _req: Destroy = self.client.parse(self, parser)?;
if !self.surfaces.is_empty() {
self.client.protocol_error(
self,
DEFUNCT_SURFACES,
format!(
"Cannot destroy xdg_wm_base object {} before destroying its surfaces",
self.id
),
);
return Err(DestroyError::DefunctSurfaces);
}
self.client.remove_obj(self).await?;
Ok(())
}
async fn create_positioner(
&self,
parser: MsgParser<'_, '_>,
) -> Result<(), CreatePositionerError> {
let req: CreatePositioner = self.client.parse(self, parser)?;
let pos = Rc::new(XdgPositioner::new(req.id, &self.client, 3));
self.client.add_client_obj(&pos)?;
Ok(())
}
async fn get_xdg_surface(self: &Rc<Self>, parser: MsgParser<'_, '_>) -> Result<(), GetXdgSurfaceError> {
let req: GetXdgSurface = self.client.parse(&**self, parser)?;
let surface = self.client.get_surface(req.surface)?;
let xdg_surface = Rc::new(XdgSurface::new(self, req.id, &surface, 3));
self.client.add_client_obj(&xdg_surface)?;
xdg_surface.install()?;
self.surfaces.set(req.id, xdg_surface);
Ok(())
}
async fn pong(&self, parser: MsgParser<'_, '_>) -> Result<(), PongError> {
let _req: Pong = self.client.parse(self, parser)?;
Ok(())
}
async fn handle_request_(
self: &Rc<Self>,
request: u32,
parser: MsgParser<'_, '_>,
) -> Result<(), XdgWmBaseError> {
match request {
DESTROY => self.destroy(parser).await?,
CREATE_POSITIONER => self.create_positioner(parser).await?,
GET_XDG_SURFACE => self.get_xdg_surface(parser).await?,
PONG => self.pong(parser).await?,
_ => unreachable!(),
}
Ok(())
}
}
bind!(XdgWmBaseGlobal);
impl Global for XdgWmBaseGlobal {
fn name(&self) -> GlobalName {
self.name
}
fn interface(&self) -> Interface {
Interface::XdgWmBase
}
fn version(&self) -> u32 {
3
}
fn pre_remove(&self) {
unreachable!()
}
}
handle_request!(XdgWmBaseObj);
impl Object for XdgWmBaseObj {
fn id(&self) -> ObjectId {
self.id
}
fn interface(&self) -> Interface {
Interface::XdgWmBase
}
fn num_requests(&self) -> u32 {
PONG + 1
}
}