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Allow passing external state to Application::new

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This commit is contained in:
Héctor Ramón Jiménez 2020-03-30 18:00:15 +02:00
parent 6e9ab1cd6f
commit c4c5216e3b
13 changed files with 103 additions and 60 deletions
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21
winit/src/application.rs
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@ -28,7 +28,13 @@ pub trait Application: Sized {
/// [`Application`]: trait.Application.html
type Message: std::fmt::Debug + Send;
/// Initializes the [`Application`].
/// The data needed to initialize your [`Application`].
///
/// [`Application`]: trait.Application.html
type Flags;
/// Initializes the [`Application`] with the flags provided to
/// [`run`] as part of the [`Settings`]:
///
/// Here is where you should return the initial state of your app.
///
@ -38,7 +44,9 @@ pub trait Application: Sized {
/// request, etc.
///
/// [`Application`]: trait.Application.html
fn new() -> (Self, Command<Self::Message>);
/// [`run`]: #method.run.html
/// [`Settings`]: struct.Settings.html
fn new(flags: Self::Flags) -> (Self, Command<Self::Message>);
/// Returns the current title of the [`Application`].
///
@ -90,7 +98,7 @@ pub trait Application: Sized {
Mode::Windowed
}
/// Runs the [`Application`].
/// Runs the [`Application`] with the provided [`Settings`].
///
/// This method will take control of the current thread and __will NOT
/// return__.
@ -98,8 +106,9 @@ pub trait Application: Sized {
/// It should probably be that last thing you call in your `main` function.
///
/// [`Application`]: trait.Application.html
/// [`Settings`]: struct.Settings.html
fn run(
settings: Settings,
settings: Settings<Self::Flags>,
backend_settings: <Self::Backend as window::Backend>::Settings,
) where
Self: 'static,
@ -123,7 +132,9 @@ pub trait Application: Sized {
Runtime::new(executor, Proxy::new(event_loop.create_proxy()))
};
let (mut application, init_command) = runtime.enter(Self::new);
let flags = settings.flags;
let (mut application, init_command) =
runtime.enter(|| Self::new(flags));
runtime.spawn(init_command);
let subscription = application.subscription();