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trezor-firmware/core/embed/rust/src/ui/component/map.rs

48 lines
947 B

use super::{Component, Event, EventCtx};
use crate::ui::geometry::Rect;
pub struct Map<T, F> {
inner: T,
func: F,
}
impl<T, F> Map<T, F> {
pub fn new(inner: T, func: F) -> Self {
Self { inner, func }
}
}
impl<T, F, U> Component for Map<T, F>
where
T: Component,
F: Fn(T::Msg) -> Option<U>,
{
type Msg = U;
fn place(&mut self, bounds: Rect) -> Rect {
self.inner.place(bounds)
}
fn event(&mut self, ctx: &mut EventCtx, event: Event) -> Option<Self::Msg> {
self.inner.event(ctx, event).and_then(&self.func)
}
fn paint(&mut self) {
self.inner.paint()
}
fn bounds(&self, sink: &mut dyn FnMut(Rect)) {
self.inner.bounds(sink);
}
}
#[cfg(feature = "ui_debug")]
impl<T, F> crate::trace::Trace for Map<T, F>
where
T: Component + crate::trace::Trace,
{
fn trace(&self, t: &mut dyn crate::trace::Tracer) {
self.inner.trace(t)
}
}