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re-add tui_main, fixing examples

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i do not exist 2026-04-15 11:11:36 +03:00
parent a93fe92a59
commit 6c382e2627
7 changed files with 89 additions and 44 deletions
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29
src/draw.rs
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@ -1,17 +1,5 @@
use crate::{*, lang::*, color::*, space::*};
/// Emit a [Draw]able.
///
/// Speculative. How to avoid conflicts with [Draw] proper?
pub trait View<T: Screen> {
fn view (&self) -> impl Draw<T>;
}
impl<T: Screen, V: View<T>> Draw<T> for &V {
fn draw (self, to: &mut T) -> Usually<XYWH<T::Unit>> {
self.view().draw(to)
}
}
/// Drawable that supports dynamic dispatch.
///
/// Drawables are composable, e.g. the [when] and [either] conditionals
@ -42,18 +30,24 @@ impl<T: Screen, V: View<T>> Draw<T> for &V {
pub trait Draw<T: Screen> {
fn draw (self, to: &mut T) -> Usually<XYWH<T::Unit>>;
}
/// Empty draw
impl<T: Screen> Draw<T> for () {
fn draw (self, __: &mut T) -> Usually<XYWH<T::Unit>> {
Ok(Default::default())
impl<T: Screen, D: Draw<T>> Draw<T> for &D {
fn draw (self, to: &mut T) -> Usually<XYWH<T::Unit>> {
todo!()
}
}
impl<T: Screen, D: Draw<T>> Draw<T> for Option<D> {
fn draw (self, to: &mut T) -> Usually<XYWH<T::Unit>> {
Ok(self.map(|draw|draw.draw(to)).transpose()?.unwrap_or_default())
todo!()
}
}
/// Emit a [Draw]able.
///
/// Speculative. How to avoid conflicts with [Draw] proper?
pub trait View<T: Screen> {
fn view (&self) -> impl Draw<T>;
}
pub const fn thunk <T: Screen, F: FnOnce(&mut T)->Usually<XYWH<T::Unit>>> (draw: F) -> Thunk<T, F> {
Thunk(draw, std::marker::PhantomData)
}
@ -63,7 +57,6 @@ pub struct Thunk<T: Screen, F: FnOnce(&mut T)->Usually<XYWH<T::Unit>>>(
pub F,
std::marker::PhantomData<T>
);
impl<T: Screen, F: FnOnce(&mut T)->Usually<XYWH<T::Unit>>> Draw<T> for Thunk<T, F> {
fn draw (self, to: &mut T) -> Usually<XYWH<T::Unit>> {
(self.0)(to)