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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/android/mod.rs
View file

@ -30,7 +30,7 @@ use crate::{
self, CursorGrabMode, ImePurpose, ResizeDirection, Theme, WindowButtons, WindowLevel,
},
};
use crate::{error::RunLoopError, platform_impl::Fullscreen};
use crate::{error::EventLoopError, platform_impl::Fullscreen};
mod keycodes;
@ -186,13 +186,15 @@ fn sticky_exit_callback<T, F>(
}
impl<T: 'static> EventLoop<T> {
pub(crate) fn new(attributes: &PlatformSpecificEventLoopAttributes) -> Self {
pub(crate) fn new(
attributes: &PlatformSpecificEventLoopAttributes,
) -> Result<Self, EventLoopError> {
let (user_events_sender, user_events_receiver) = mpsc::channel();
let android_app = attributes.android_app.as_ref().expect("An `AndroidApp` as passed to android_main() is required to create an `EventLoop` on Android");
let redraw_flag = SharedFlag::new();
Self {
Ok(Self {
android_app: android_app.clone(),
window_target: event_loop::EventLoopWindowTarget {
p: EventLoopWindowTarget {
@ -214,7 +216,7 @@ impl<T: 'static> EventLoop<T> {
control_flow: Default::default(),
cause: StartCause::Init,
ignore_volume_keys: attributes.ignore_volume_keys,
}
})
}
fn single_iteration<F>(&mut self, main_event: Option<MainEvent<'_>>, callback: &mut F)
@ -524,19 +526,19 @@ impl<T: 'static> EventLoop<T> {
self.pending_redraw = pending_redraw;
}
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::Event<T>, &event_loop::EventLoopWindowTarget<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::Event<T>, &event_loop::EventLoopWindowTarget<T>, &mut ControlFlow),
{
if self.loop_running {
return Err(RunLoopError::AlreadyRunning);
return Err(EventLoopError::AlreadyRunning);
}
loop {
@ -545,7 +547,7 @@ impl<T: 'static> EventLoop<T> {
break Ok(());
}
PumpStatus::Exit(code) => {
break Err(RunLoopError::ExitFailure(code));
break Err(EventLoopError::ExitFailure(code));
}
_ => {
continue;