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Propagate error from EventLoop creation

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Inner panics could make it hard to trouble shoot the issues and for some
users ints not desirable.

The inner panics were left only when they are used to `assert!` during
development.
This commit is contained in:
Kirill Chibisov 2023-08-06 06:03:54 +04:00 • committed by GitHub
parent 584aab4cd0
commit ed26dd58fd
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GPG key ID: 4AEE18F83AFDEB23
57 changed files with 344 additions and 291 deletions
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18
src/platform_impl/windows/event_loop.rs
View file

@ -75,7 +75,7 @@ use windows_sys::Win32::{
use crate::{
dpi::{PhysicalPosition, PhysicalSize},
error::RunLoopError,
error::EventLoopError,
event::{
DeviceEvent, Event, Force, Ime, InnerSizeWriter, RawKeyEvent, Touch, TouchPhase,
WindowEvent,
@ -201,7 +201,9 @@ pub struct EventLoopWindowTarget<T: 'static> {
}
impl<T: 'static> EventLoop<T> {
pub(crate) fn new(attributes: &mut PlatformSpecificEventLoopAttributes) -> Self {
pub(crate) fn new(
attributes: &mut PlatformSpecificEventLoopAttributes,
) -> Result<Self, EventLoopError> {
let thread_id = unsafe { GetCurrentThreadId() };
if !attributes.any_thread && thread_id != main_thread_id() {
@ -228,7 +230,7 @@ impl<T: 'static> EventLoop<T> {
Default::default(),
);
EventLoop {
Ok(EventLoop {
thread_msg_sender,
window_target: RootELW {
p: EventLoopWindowTarget {
@ -239,28 +241,28 @@ impl<T: 'static> EventLoop<T> {
_marker: PhantomData,
},
msg_hook: attributes.msg_hook.take(),
}
})
}
pub fn window_target(&self) -> &RootELW<T> {
&self.window_target
}
pub fn run<F>(mut self, event_handler: F) -> Result<(), RunLoopError>
pub fn run<F>(mut self, event_handler: F) -> Result<(), EventLoopError>
where
F: FnMut(Event<T>, &RootELW<T>, &mut ControlFlow),
{
self.run_ondemand(event_handler)
}
pub fn run_ondemand<F>(&mut self, mut event_handler: F) -> Result<(), RunLoopError>
pub fn run_ondemand<F>(&mut self, mut event_handler: F) -> Result<(), EventLoopError>
where
F: FnMut(Event<T>, &RootELW<T>, &mut ControlFlow),
{
{
let runner = &self.window_target.p.runner_shared;
if runner.state() != RunnerState::Uninitialized {
return Err(RunLoopError::AlreadyRunning);
return Err(EventLoopError::AlreadyRunning);
}
let event_loop_windows_ref = &self.window_target;
@ -295,7 +297,7 @@ impl<T: 'static> EventLoop<T> {
if exit_code == 0 {
Ok(())
} else {
Err(RunLoopError::ExitFailure(exit_code))
Err(EventLoopError::ExitFailure(exit_code))
}
}