smithay 0.7.0

Smithay is a library for writing wayland compositors.
Documentation 
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use crate::{
    output::Output,
    utils::{Logical, Point},
};

use std::{collections::HashMap, sync::Mutex};

type OutputUserdata = Mutex<HashMap<usize, Point<i32, Logical>>>;

pub fn set_output_location(space: usize, o: &Output, new_loc: impl Into<Option<Point<i32, Logical>>>) {
    let userdata = o.user_data();
    userdata.insert_if_missing_threadsafe(OutputUserdata::default);

    match new_loc.into() {
        Some(loc) => userdata
            .get::<OutputUserdata>()
            .unwrap()
            .lock()
            .unwrap()
            .insert(space, loc),
        None => userdata
            .get::<OutputUserdata>()
            .unwrap()
            .lock()
            .unwrap()
            .remove(&space),
    };
}

pub fn output_location(space: usize, o: &Output) -> Point<i32, Logical> {
    let userdata = o.user_data();
    userdata.insert_if_missing_threadsafe(OutputUserdata::default);
    *userdata
        .get::<OutputUserdata>()
        .unwrap()
        .lock()
        .unwrap()
        .entry(space)
        .or_default()
}