helix-mods/helix-term/src/component.rs
2020-06-02 10:44:44 +09:00

21 lines
830 B
Rust

// IDEA: render to a cache buffer, then if not changed, copy the buf into the parent
type Surface = ();
pub trait Component {
/// Process input events, return true if handled.
fn process_event(&mut self, event: crossterm::event::Event, args: ()) -> bool;
/// Should redraw? Useful for saving redraw cycles if we know component didn't change.
fn should_update(&self) -> bool {
true
}
fn render(&mut self, surface: &mut Surface, args: ());
}
// HStack / VStack
// focus by component id: each View/Editor gets it's own incremental id at create
// Component: View(Arc<State>) -> multiple views can point to same state
// id 0 = prompt?
// when entering to prompt, it needs to direct Commands to last focus window
// -> prompt.trigger(focus_id), on_leave -> focus(focus_id)
// popups on another layer