use X/Y instead of W/H in layout widgets

- also core is <2000LoC now yay!
- also using more methods and fewer conditionals
This commit is contained in:
🪞👃🪞 2024-09-12 20:54:47 +03:00
parent 4b19abd98a
commit 02db343574
2 changed files with 81 additions and 139 deletions

View file

@ -408,113 +408,87 @@ impl<N: Number, T> Fixed<N, T> {
/// Enforce minimum size of drawing area
pub enum Min<U: Number, T> {
/// Enforce minimum width
W(U, T),
X(U, T),
/// Enforce minimum height
H(U, T),
Y(U, T),
/// Enforce minimum width and height
WH(U, U, T),
XY(U, U, T),
}
impl<N: Number, T> Min<N, T> {
fn inner (&self) -> &T {
match self {
Self::W(_, inner) => inner,
Self::H(_, inner) => inner,
Self::WH(_, _, inner) => inner,
}
match self { Self::X(_, i) => i, Self::Y(_, i) => i, Self::XY(_, _, i) => i, }
}
}
impl<E: Engine, T: Widget<Engine = E>> Widget for Min<E::Unit, T> {
type Engine = E;
fn layout (&self, area: E::Area) -> Perhaps<E::Area> {
match self {
Self::W(w, item) => if area.w() < *w { Ok(None) } else {
// TODO: axis clamp (subtract from x if width goes out of area
item.layout([area.x(), area.y(), area.w().max(*w), area.h()].into())
},
Self::H(h, item) => if area.w() < *h { Ok(None) } else {
// TODO: axis clamp (subtract from x if width goes out of area
item.layout([area.x(), area.y(), area.w(), area.h().max(*h)].into())
},
Self::WH(w, h, item) => if area.w() < *w || area.h() < *h { Ok(None) } else {
item.layout([area.x(), area.y(), area.w().max(*w), area.h().max(*h)].into())
}
}
fn layout (&self, to: E::Area) -> Perhaps<E::Area> {
Ok(match self {
Self::X(w, _) => (to.w() < *w).then(||{
[to.x() + *w, to.y(), to.w() - *w, to.h()]
}),
Self::Y(h, _) => (to.h() < *h).then(||{
[to.x(), to.y() + *h, to.w(), to.h() - *h]
}),
Self::XY(w, h, _) => (to.w() < *w || to.h() < *h).then(||{
[to.x() + *w, to.y() + *h, to.w() - *w, to.h() - *h]
})
}.map(|offset_area|self.inner().layout(offset_area.into())).transpose()?.flatten())
}
// TODO: 🡘 🡙 ←🡙→
fn render (&self, to: &mut E) -> Perhaps<E::Area> {
// 🡘 🡙 ←🡙→
if let Some(area) = self.layout(to.area())? {
to.render_in(area, self.inner())
} else {
Ok(None)
}
Ok(self.layout(to.area())?.map(|a|to.render_in(a, self.inner())).transpose()?.flatten())
}
}
/// Enforce maximum size of drawing area
pub enum Max<U: Number, T> {
/// Enforce maximum width
W(U, T),
X(U, T),
/// Enforce maximum height
H(U, T),
Y(U, T),
/// Enforce maximum width and height
WH(U, U, T),
XY(U, U, T),
}
impl<N: Number, T> Max<N, T> {
fn inner (&self) -> &T {
match self {
Self::W(_, inner) => inner,
Self::H(_, inner) => inner,
Self::WH(_, _, inner) => inner,
}
match self { Self::X(_, i) => i, Self::Y(_, i) => i, Self::XY(_, _, i) => i, }
}
}
impl<E: Engine, T: Widget<Engine = E>> Widget for Max<E:: Unit, T> {
type Engine = E;
fn layout (&self, area: E::Area) -> Perhaps<E::Area> {
match self {
Self::W(w, item) => {
// TODO: axis clamp (subtract from x if width goes out of area
item.layout([area.x(), area.y(), area.w().min(*w), area.h()].into())
},
Self::H(h, item) => {
// TODO: axis clamp (subtract from x if width goes out of area
item.layout([area.x(), area.y(), area.w(), area.h().min(*h)].into())
},
Self::WH(w, h, item) => {
item.layout([area.x(), area.y(), area.w().min(*w), area.h().min(*h)].into())
}
}
Ok(match self {
Self::X(w, _) => (area.w() < *w).then(||{
[area.x(), area.y(), area.w().min(*w), area.h()]
}),
Self::Y(h, _) => (area.h() < *h).then(||{
[area.x(), area.y(), area.w(), area.h().min(*h)]
}),
Self::XY(w, h, _) => (area.w() < *w || area.h() < *h).then(||{
[area.x(), area.y(), area.w().min(*w), area.h().min(*h)]
})
}.map(|offset_area|self.inner().layout(offset_area.into())).transpose()?.flatten())
}
fn render (&self, to: &mut E) -> Perhaps<E::Area> {
if let Some(area) = self.layout(to.area())? {
to.render_in(area, self.inner())
} else {
Ok(None)
}
Ok(self.layout(to.area())?.map(|a|to.render_in(a, self.inner())).transpose()?.flatten())
}
}
/// Expand drawing area
pub enum Outset<N: Number, T> {
/// Increase width
W(N, T),
X(N, T),
/// Increase height
H(N, T),
Y(N, T),
/// Increase width and height
WH(N, N, T)
XY(N, N, T)
}
impl<N: Number, T> Outset<N, T> {
fn inner (&self) -> &T {
match self {
Self::W(_, inner) => inner,
Self::H(_, inner) => inner,
Self::WH(_, _, inner) => inner,
}
match self { Self::X(_, i) => i, Self::Y(_, i) => i, Self::XY(_, _, i) => i, }
}
}
@ -522,49 +496,35 @@ impl<E: Engine, T: Widget<Engine = E>> Widget for Outset<E::Unit, T> {
type Engine = E;
fn layout (&self, area: E::Area) -> Perhaps<E::Area> {
Ok(match self {
Self::W(w, item) => if area.x() < *w { None } else {
item.layout(area)?.map(|area|[
area.x() - *w, area.y(), area.w() + *w + *w, area.h()
].into())
},
Self::H(h, item) => if area.y() < *h { None } else {
item.layout(area)?.map(|area|[
area.x(), area.y() - *h, area.w(), area.h() + *h + *h
].into())
},
Self::WH(w, h, item) => if area.x() < *w || area.y() < *h { None } else {
item.layout(area)?.map(|area|[
area.x()- *w, area.y() - *h, area.w() + *w + *w, area.h() + *h + *h
].into())
}
})
Self::X(w, _) => (area.w() < *w).then(||{
[area.x() - *w, area.y(), area.w() + *w + *w, area.h()]
}),
Self::Y(h, _) => (area.h() < *h).then(||{
[area.x(), area.y() - *h, area.w(), area.h() + *h + *h]
}),
Self::XY(w, h, _) => (area.w() < *w || area.h() < *h).then(||{
[area.x()- *w, area.y() - *h, area.w() + *w + *w, area.h() + *h + *h]
})
}.map(|offset_area|self.inner().layout(offset_area.into())).transpose()?.flatten())
}
fn render (&self, to: &mut E) -> Perhaps<E::Area> {
if let Some(area) = self.layout(to.area())? {
to.render_in(area, self.inner())
} else {
Ok(None)
}
Ok(self.layout(to.area())?.map(|a|to.render_in(a, self.inner())).transpose()?.flatten())
}
}
/// Shrink drawing area
pub enum Inset<N: Number, T> {
/// Decrease width
W(N, T),
X(N, T),
/// Decrease height
H(N, T),
Y(N, T),
/// Decrease width and height
WH(N, N, T),
XY(N, N, T),
}
impl<N: Number, T: Widget> Inset<N, T> {
fn inner (&self) -> &T {
match self {
Self::W(_, inner) => inner,
Self::H(_, inner) => inner,
Self::WH(_, _, inner) => inner,
}
match self { Self::X(_, i) => i, Self::Y(_, i) => i, Self::XY(_, _, i) => i, }
}
}
@ -572,73 +532,55 @@ impl<E: Engine, T: Widget<Engine = E>> Widget for Inset<E::Unit, T> {
type Engine = E;
fn layout (&self, area: E::Area) -> Perhaps<E::Area> {
Ok(match self {
Self::W(w, item) => if area.w() < *w { None } else {
item.layout(area)?.map(|area|[
area.x() + *w, area.y(), area.w() - *w, area.h()
].into())
},
Self::H(h, item) => if area.h() < *h { None } else {
item.layout(area)?.map(|area|[
area.x(), area.y() + *h, area.w(), area.h() - *h
].into())
},
Self::WH(w, h, item) => if area.w() < *w || area.h() < *h { None } else {
item.layout(area)?.map(|area|[
area.x() - *w, area.y() - *h, area.w() + *w, area.h() + *h
].into())
}
})
Self::X(w, _) => (area.w() < *w).then(||{
[area.x() + *w, area.y(), area.w() - *w, area.h()]
}),
Self::Y(h, _) => (area.h() < *h).then(||{
[area.x(), area.y() + *h, area.w(), area.h() - *h]
}),
Self::XY(w, h, _) => (area.w() < *w || area.h() < *h).then(||{
[area.x() - *w, area.y() - *h, area.w() + *w, area.h() + *h]
})
}.map(|offset_area|self.inner().layout(offset_area.into())).transpose()?.flatten())
}
fn render (&self, to: &mut E) -> Perhaps<E::Area> {
if let Some(area) = self.layout(to.area())? {
to.render_in(area, self.inner())
} else {
Ok(None)
}
Ok(self.layout(to.area())?.map(|a|to.render_in(a, self.inner())).transpose()?.flatten())
}
}
/// Move origin point of drawing area
pub enum Offset<N: Number, T: Widget> {
/// Move origin to the right
X(N, T),
/// Move origin downwards
Y(N, T),
/// Move origin to the right and downwards
XY(N, N, T),
}
impl<N: Number, T: Widget> Offset<N, T> {
fn inner (&self) -> &T {
match self {
Self::X(_, inner) => inner,
Self::Y(_, inner) => inner,
Self::XY(_, _, inner) => inner,
}
match self { Self::X(_, i) => i, Self::Y(_, i) => i, Self::XY(_, _, i) => i, }
}
}
impl<E: Engine, T: Widget<Engine = E>> Widget for Offset<E::Unit, T> {
type Engine = E;
fn layout (&self, area: E::Area) -> Perhaps<E::Area> {
match self {
Self::X(x, item) => if area.w() < *x { Ok(None) } else {
let offset_area = [area.x() + *x, area.y(), area.w() - *x, area.h()];
item.layout(offset_area.into())
},
Self::Y(y, item) => if area.h() < *y { Ok(None) } else {
let offset_area = [area.x(), area.y() + *y, area.w(), area.h() - *y];
item.layout(offset_area.into())
},
Self::XY(x, y, item) => if area.w() < *x || area.h() < *y { Ok(None) } else {
let offset_area = [area.x() + *x, area.y() + *y, area.w() - *x, area.h() - *y];
item.layout(offset_area.into())
}
}
Ok(match self {
Self::X(w, _) => (area.w() < *w).then(||{
[area.x() + *w, area.y(), area.w() - *w, area.h()]
}),
Self::Y(h, _) => (area.h() < *h).then(||{
[area.x(), area.y() + *h, area.w(), area.h() - *h]
}),
Self::XY(w, h, _) => (area.w() < *w || area.h() < *h).then(||{
[area.x() + *w, area.y() + *h, area.w() - *w, area.h() - *h]
})
}.map(|offset_area|self.inner().layout(offset_area.into())).transpose()?.flatten())
}
fn render (&self, to: &mut E) -> Perhaps<E::Area> {
if let Some(area) = self.layout(to.area())? {
to.render_in(area, self.inner())
} else {
Ok(None)
}
Ok(self.layout(to.area())?.map(|a|to.render_in(a, self.inner())).transpose()?.flatten())
}
}

View file

@ -506,7 +506,7 @@ impl<'a> Content for TracksHeader<'a> {
let Self(_offset, columns, tracks) = *self;
Split::right(move |add|{
for (track, (w, _)) in tracks.iter().zip(columns) {
add(&Min::W(*w as u16, Layers::new(|add|{
add(&Min::X(*w as u16, Layers::new(|add|{
add(&FillBg(COLOR_BG1))?;
add(&track.name.read().unwrap().as_str())
})))?;