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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use std::rc::Rc;
use windows_sys::Win32::UI::WindowsAndMessaging::PostQuitMessage;
/// A Cloneable token which will post a quit message (with code 0) to the main loop when the last
/// instance is dropped.
#[derive(Clone, Default)]
pub struct QuitToken(#[allow(dead_code)] Rc<QuitTokenInternal>);
impl QuitToken {
pub fn new() -> Self {
Self::default()
}
}
impl std::fmt::Debug for QuitToken {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
f.debug_struct(std::any::type_name::<Self>())
.finish_non_exhaustive()
}
}
#[derive(Default)]
struct QuitTokenInternal;
impl Drop for QuitTokenInternal {
fn drop(&mut self) {
unsafe { PostQuitMessage(0) };
}
}
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