9c72cc2a98
PhysicalSize is recorded as canvas.size, whereas LogicalSize is stored as canvas.style.size. The previous cursor behavior on stdweb clobbered all style - thus losing the LogicalSize.
59 lines
1.5 KiB
Rust
59 lines
1.5 KiB
Rust
mod proxy;
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mod runner;
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mod state;
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mod window_target;
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pub use self::proxy::Proxy;
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pub use self::window_target::WindowTarget;
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use super::{backend, device, window};
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use crate::event::Event;
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use crate::event_loop as root;
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use std::marker::PhantomData;
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pub struct EventLoop<T: 'static> {
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elw: root::EventLoopWindowTarget<T>,
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}
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impl<T> EventLoop<T> {
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pub fn new() -> Self {
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EventLoop {
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elw: root::EventLoopWindowTarget {
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p: WindowTarget::new(),
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_marker: PhantomData,
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},
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}
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}
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pub fn run<F>(self, mut event_handler: F) -> !
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where
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F: 'static
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+ FnMut(Event<'static, T>, &root::EventLoopWindowTarget<T>, &mut root::ControlFlow),
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{
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let target = root::EventLoopWindowTarget {
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p: self.elw.p.clone(),
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_marker: PhantomData,
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};
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self.elw.p.run(Box::new(move |event, flow| {
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event_handler(event, &target, flow)
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}));
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// Throw an exception to break out of Rust exceution and use unreachable to tell the
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// compiler this function won't return, giving it a return type of '!'
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backend::throw(
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"Using exceptions for control flow, don't mind me. This isn't actually an error!",
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);
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unreachable!();
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}
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pub fn create_proxy(&self) -> Proxy<T> {
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self.elw.p.proxy()
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}
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pub fn window_target(&self) -> &root::EventLoopWindowTarget<T> {
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&self.elw
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}
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}
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