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Diffstat (limited to '')
| -rw-r--r-- | native/src/window.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/native/src/window.rs b/native/src/window.rs index 1b97e655..a5cdc8ce 100644 --- a/native/src/window.rs +++ b/native/src/window.rs @@ -2,9 +2,29 @@ mod action; mod event; mod mode; +mod redraw_request; mod user_attention; pub use action::Action; pub use event::Event; pub use mode::Mode; +pub use redraw_request::RedrawRequest; pub use user_attention::UserAttention; + +use crate::subscription::{self, Subscription}; +use crate::time::Instant; + +/// Subscribes to the frames of the window of the running application. +/// +/// The resulting [`Subscription`] will produce items at a rate equal to the +/// refresh rate of the window. Note that this rate may be variable, as it is +/// normally managed by the graphics driver and/or the OS. +/// +/// In any case, this [`Subscription`] is useful to smoothly draw application-driven +/// animations without missing any frames. +pub fn frames() -> Subscription<Instant> { + subscription::raw_events(|event, _status| match event { + crate::Event::Window(Event::RedrawRequested(at)) => Some(at), + _ => None, + }) +} |