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wip: build arranger out of freestanding functions

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🪞👃🪞 2025-03-12 04:17:33 +02:00
parent 4dbbe0340a
commit 4229364363
12 changed files with 570 additions and 472 deletions
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55
app/src/view/view_layout.rs Normal file
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@ -0,0 +1,55 @@
use crate::*;
/// A three-column layout.
pub(crate) struct Tryptich<A, B, C> {
pub top: bool,
pub h: u16,
pub left: (u16, A),
pub middle: (u16, B),
pub right: (u16, C),
}
impl Tryptich<(), (), ()> {
pub fn center (h: u16) -> Self {
Self { h, top: false, left: (0, ()), middle: (0, ()), right: (0, ()) }
}
pub fn top (h: u16) -> Self {
Self { h, top: true, left: (0, ()), middle: (0, ()), right: (0, ()) }
}
}
impl<A, B, C> Tryptich<A, B, C> {
pub fn left <D> (self, w: u16, content: D) -> Tryptich<D, B, C> {
Tryptich { left: (w, content), ..self }
}
pub fn middle <D> (self, w: u16, content: D) -> Tryptich<A, D, C> {
Tryptich { middle: (w, content), ..self }
}
pub fn right <D> (self, w: u16, content: D) -> Tryptich<A, B, D> {
Tryptich { right: (w, content), ..self }
}
}
impl<A, B, C> Content<TuiOut> for Tryptich<A, B, C>
where A: Content<TuiOut>, B: Content<TuiOut>, C: Content<TuiOut> {
fn content (&self) -> impl Render<TuiOut> {
let Self { top, h, left: (w_a, ref a), middle: (w_b, ref b), right: (w_c, ref c) } = *self;
if top {
Fixed::y(h, Bsp::a(
Fill::x(Align::n(Fixed::x(w_b, Align::x(Tui::bg(Reset, b))))),
Bsp::a(
Fill::x(Align::nw(Fixed::x(w_a, Tui::bg(Reset, a)))),
Fill::x(Align::ne(Fixed::x(w_c, Tui::bg(Reset, c)))),
),
))
} else {
Fixed::y(h, Bsp::a(
Fill::xy(Align::c(Fixed::x(w_b, Align::x(Tui::bg(Reset, b))))),
Bsp::a(
Fill::xy(Align::w(Fixed::x(w_a, Tui::bg(Reset, a)))),
Fill::xy(Align::e(Fixed::x(w_c, Tui::bg(Reset, c)))),
),
))
}
}
}