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strong & weak widgets

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shadowcat
2025-12-11 07:16:06 -05:00
parent a85e129026
commit 36668c82f4
19 changed files with 293 additions and 294 deletions
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23
core/src/widget/like.rs
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@@ -1,7 +1,8 @@
use super::*;
use std::marker::Unsize;
pub trait WidgetLike<Tag> {
type Widget: 'static;
type Widget: Widget + ?Sized + Unsize<dyn Widget> + 'static;
fn add(self, ui: &mut Ui) -> WidgetHandle<Self::Widget>;
@@ -27,24 +28,15 @@ pub trait WidgetLike<Tag> {
}
pub trait WidgetArrLike<const LEN: usize, Tag> {
type Ws;
fn ui(self, ui: &mut Ui) -> WidgetArr<LEN, Self::Ws>;
fn ui(self, ui: &mut Ui) -> WidgetArr<LEN>;
}
impl<const LEN: usize, Ws> WidgetArrLike<LEN, ArrTag> for WidgetArr<LEN, Ws> {
type Ws = Ws;
fn ui(self, _: &mut Ui) -> WidgetArr<LEN, Ws> {
impl<const LEN: usize> WidgetArrLike<LEN, ArrTag> for WidgetArr<LEN> {
fn ui(self, _: &mut Ui) -> WidgetArr<LEN> {
self
}
}
impl<W: WidgetLike<WidgetTag>> WidgetArrLike<1, WidgetTag> for W {
type Ws = (W::Widget,);
fn ui(self, ui: &mut Ui) -> WidgetArr<1, (W::Widget,)> {
WidgetArr::new([self.add(ui).any()])
}
}
// I hate this language it's so bad why do I even use it
macro_rules! impl_widget_arr {
($n:expr;$($W:ident)*) => {
@@ -52,12 +44,11 @@ macro_rules! impl_widget_arr {
};
($n:expr;$($W:ident)*;$($Tag:ident)*) => {
impl<$($W: WidgetLike<$Tag>,$Tag,)*> WidgetArrLike<$n, ($($Tag,)*)> for ($($W,)*) {
type Ws = ($($W::Widget,)*);
fn ui(self, ui: &mut Ui) -> WidgetArr<$n, ($($W::Widget,)*)> {
fn ui(self, ui: &mut Ui) -> WidgetArr<$n> {
#[allow(non_snake_case)]
let ($($W,)*) = self;
WidgetArr::new(
[$($W.add(ui).cast_type(),)*],
[$($W.add(ui),)*],
)
}
}