unspeaker/tek
1
0
Fork 0
mirror of https://codeberg.org/unspeaker/tek.git synced 2025-12-07 12:16:42 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

refactor engine and layout into input and output

Browse source
This commit is contained in:
🪞👃🪞 2025-01-07 21:30:07 +01:00
parent f052891473
commit 4d0f98acd2
40 changed files with 104 additions and 109 deletions
Download patch file Download diff file Expand all files Collapse all files

96
output/src/transform_xy_unit.rs Normal file
View file

@ -0,0 +1,96 @@
use crate::*;
/// Defines an enum that parametrically transforms its content
/// along either the X axis, the Y axis, or both.
macro_rules! transform_xy_unit {
(|$self:ident : $Enum:ident, $to:ident|$layout:expr) => {
pub enum $Enum<U, T> { X(U, T), Y(U, T), XY(U, U, T), }
impl<U, T> $Enum<U, T> {
pub fn x (x: U, item: T) -> Self { Self::X(x, item) }
pub fn y (y: U, item: T) -> Self { Self::Y(y, item) }
pub fn xy (x: U, y: U, item: T) -> Self { Self::XY(x, y, item) }
}
impl<U: Copy + Coordinate, T> $Enum<U, T> {
pub fn dx (&self) -> U {
match self {
Self::X(x, _) => *x,
Self::Y(_, _) => 0.into(),
Self::XY(x, _, _) => *x,
}
}
pub fn dy (&self) -> U {
match self {
Self::X(_, _) => 0.into(),
Self::Y(y, _) => *y,
Self::XY(_, y, _) => *y,
}
}
}
impl<E: Output, T: Content<E>> Content<E> for $Enum<E::Unit, T> {
fn content (&self) -> impl Render<E> {
Some(match self {
Self::X(_, content) => content,
Self::Y(_, content) => content,
Self::XY(_, _, content) => content,
})
}
fn layout (&$self, $to: E::Area) -> E::Area {
$layout.into()
}
}
}
}
transform_xy_unit!(|self: Fixed, area|{
let [w, h] = Render::layout(&self.content(), area.center_xy(match self {
Self::X(fw, _) => [*fw, area.h()],
Self::Y(fh, _) => [area.w(), *fh],
Self::XY(fw, fh, _) => [*fw, *fh],
}).into()).wh();
area.center_xy(match self {
Self::X(fw, _) => [*fw, h],
Self::Y(fh, _) => [w, *fh],
Self::XY(fw, fh, _) => [*fw, *fh],
})
});
transform_xy_unit!(|self: Shrink, area|Render::layout(&self.content(), [
area.x(), area.y(), area.w().minus(self.dx()), area.h().minus(self.dy())
].into()));
transform_xy_unit!(|self: Expand, area|Render::layout(&self.content(), [
area.x(), area.y(), area.w() + self.dx(), area.h() + self.dy()
].into()));
transform_xy_unit!(|self: Min, area|{
let area = Render::layout(&self.content(), area);
match self {
Self::X(mw, _) => [area.x(), area.y(), area.w().max(*mw), area.h()],
Self::Y(mh, _) => [area.x(), area.y(), area.w(), area.h().max(*mh)],
Self::XY(mw, mh, _) => [area.x(), area.y(), area.w().max(*mw), area.h().max(*mh)]
}});
transform_xy_unit!(|self: Max, area|{
let area = Render::layout(&self.content(), area);
match self {
Self::X(mw, _) => [area.x(), area.y(), area.w().min(*mw), area.h()],
Self::Y(mh, _) => [area.x(), area.y(), area.w(), area.h().min(*mh)],
Self::XY(mw, mh, _) => [area.x(), area.y(), area.w().min(*mw), area.h().min(*mh)],
}});
transform_xy_unit!(|self: Push, area|{
let area = Render::layout(&self.content(), area);
[area.x() + self.dx(), area.y() + self.dy(), area.w(), area.h()]
});
transform_xy_unit!(|self: Pull, area|{
let area = Render::layout(&self.content(), area);
[area.x().minus(self.dx()), area.y().minus(self.dy()), area.w(), area.h()]
});
transform_xy_unit!(|self: Margin, area|{
let area = Render::layout(&self.content(), area);
let dx = self.dx();
let dy = self.dy();
[area.x().minus(dx), area.y().minus(dy), area.w() + dy + dy, area.h() + dy + dy]
});
transform_xy_unit!(|self: Padding, area|{
let area = Render::layout(&self.content(), area);
let dx = self.dx();
let dy = self.dy();
[area.x() + dx, area.y() + dy, area.w().minus(dy + dy), area.h().minus(dy + dy), ]
});