diff options
Diffstat (limited to 'native/src/subscription.rs')
| -rw-r--r-- | native/src/subscription.rs | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/native/src/subscription.rs b/native/src/subscription.rs index c60b1281..8c92efad 100644 --- a/native/src/subscription.rs +++ b/native/src/subscription.rs @@ -1,5 +1,6 @@ //! Listen to external events in your application. use crate::event::{self, Event}; +use crate::window; use crate::Hasher; use iced_futures::futures::{self, Future, Stream}; @@ -33,7 +34,7 @@ pub type Tracker = pub use iced_futures::subscription::Recipe; -/// Returns a [`Subscription`] to all the runtime events. +/// Returns a [`Subscription`] to all the ignored runtime events. /// /// This subscription will notify your application of any [`Event`] that was /// not captured by any widget. @@ -58,8 +59,36 @@ pub fn events_with<Message>( where Message: 'static + MaybeSend, { + #[derive(Hash)] + struct EventsWith; + + Subscription::from_recipe(Runner { + id: (EventsWith, f), + spawn: move |events| { + use futures::future; + use futures::stream::StreamExt; + + events.filter_map(move |(event, status)| { + future::ready(match event { + Event::Window(window::Event::RedrawRequested(_)) => None, + _ => f(event, status), + }) + }) + }, + }) +} + +pub(crate) fn raw_events<Message>( + f: fn(Event, event::Status) -> Option<Message>, +) -> Subscription<Message> +where + Message: 'static + MaybeSend, +{ + #[derive(Hash)] + struct RawEvents; + Subscription::from_recipe(Runner { - id: f, + id: (RawEvents, f), spawn: move |events| { use futures::future; use futures::stream::StreamExt; @@ -155,7 +184,7 @@ where /// Check out the [`websocket`] example, which showcases this pattern to maintain a WebSocket /// connection open. /// -/// [`websocket`]: https://github.com/iced-rs/iced/tree/0.6/examples/websocket +/// [`websocket`]: https://github.com/iced-rs/iced/tree/0.7/examples/websocket pub fn unfold<I, T, Fut, Message>( id: I, initial: T, |