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api: make OwnedDisplayHandle wrap an opaque type

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This will help in case we want to linger the event loop during drop
to prevent use after free in the consumers code.
This commit is contained in:
Kirill Chibisov 2024-11-13 15:29:05 +03:00 • committed by GitHub
parent f781e13166
commit 59b1eb5410
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19 changed files with 149 additions and 177 deletions
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18
src/platform_impl/windows/event_loop.rs
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@ -70,7 +70,7 @@ use crate::event::{
use crate::event_loop::{
ActiveEventLoop as RootActiveEventLoop, ControlFlow, DeviceEvents,
EventLoopProxy as RootEventLoopProxy, EventLoopProxyProvider,
OwnedDisplayHandle as RootOwnedDisplayHandle,
OwnedDisplayHandle as CoreOwnedDisplayHandle,
};
use crate::keyboard::ModifiersState;
use crate::monitor::MonitorHandle as RootMonitorHandle;
@ -516,8 +516,8 @@ impl RootActiveEventLoop for ActiveEventLoop {
self.runner_shared.set_exit_code(0)
}
fn owned_display_handle(&self) -> RootOwnedDisplayHandle {
RootOwnedDisplayHandle { platform: OwnedDisplayHandle }
fn owned_display_handle(&self) -> CoreOwnedDisplayHandle {
CoreOwnedDisplayHandle::new(Arc::new(OwnedDisplayHandle))
}
fn rwh_06_handle(&self) -> &dyn rwh_06::HasDisplayHandle {
@ -532,15 +532,13 @@ impl rwh_06::HasDisplayHandle for ActiveEventLoop {
}
}
#[derive(Clone, PartialEq, Eq)]
#[derive(Clone)]
pub(crate) struct OwnedDisplayHandle;
impl OwnedDisplayHandle {
#[inline]
pub fn raw_display_handle_rwh_06(
&self,
) -> Result<rwh_06::RawDisplayHandle, rwh_06::HandleError> {
Ok(rwh_06::WindowsDisplayHandle::new().into())
impl rwh_06::HasDisplayHandle for OwnedDisplayHandle {
fn display_handle(&self) -> Result<rwh_06::DisplayHandle<'_>, rwh_06::HandleError> {
let raw = rwh_06::RawDisplayHandle::Windows(rwh_06::WindowsDisplayHandle::new());
unsafe { Ok(rwh_06::DisplayHandle::borrow_raw(raw)) }
}
}