reduce number of space modules

This commit is contained in:
🪞👃🪞 2024-12-30 13:13:29 +01:00
parent 35a88cb70f
commit 61b447403b
14 changed files with 599 additions and 623 deletions

View file

@ -70,20 +70,23 @@ pub(crate) use crossterm::{ExecutableCommand};
pub(crate) use crossterm::terminal::{EnterAlternateScreen, LeaveAlternateScreen, enable_raw_mode, disable_raw_mode};
pub(crate) use crossterm::event::{KeyCode, KeyModifiers, KeyEvent, KeyEventKind, KeyEventState};
pub use ::ratatui; pub(crate) use ratatui::{
pub use ::ratatui;
pub(crate) use ratatui::{
prelude::{Style, Buffer},
style::{Stylize, Modifier},
backend::{Backend, CrosstermBackend, ClearType}
};
pub use ::midly::{self, num::u7}; pub(crate) use ::midly::{
pub use ::midly::{self, num::u7};
pub(crate) use ::midly::{
Smf,
MidiMessage,
TrackEventKind,
live::LiveEvent,
};
pub use ::palette; pub(crate) use ::palette::{
pub use ::palette;
pub(crate) use ::palette::{
*,
convert::*,
okhsl::*

View file

@ -51,17 +51,21 @@ render!(<Tui>|self: SequencerTui|{
let with_editbar = |x|Split::n(false, 1, MidiEditStatus(&self.editor), x);
let with_size = |x|lay!([self.size, x]);
let editor = with_editbar(with_pool(Fill::wh(&self.editor)));
let color = self.player.play_phrase().as_ref().map(|(_,p)|
p.as_ref().map(|p|p.read().unwrap().color)
).flatten().clone();
let toolbar = row!([
let color = self.player.play_phrase().as_ref().map(|(_,p)|
p.as_ref().map(|p|p.read().unwrap().color)
).flatten().clone();
let toolbar = Cond::when(self.transport, row!([
Fixed::wh(5, 2, PlayPause(self.clock.is_rolling())),
Fixed::h(2, TransportView::from((self, color, true))),
]).when(self.transport);
let play_queue = row!([
]));
let play_queue = Cond::when(self.selectors, row!([
PhraseSelector::play_phrase(&self.player),
PhraseSelector::next_phrase(&self.player),
]).when(self.selectors);;
]));
Tui::min_y(15, with_size(with_status(col!([
toolbar,
play_queue,

View file

@ -8,23 +8,20 @@ use std::fmt::{Display, Debug};
//////////////////////////////////////////////////////
pub(crate) mod align;
pub(crate) mod cond; pub(crate) use cond::*;
pub(crate) mod fill;
pub(crate) mod fixed; pub(crate) use fixed::*;
pub(crate) mod inset_outset; pub(crate) use inset_outset::*;
pub(crate) mod layers; pub(crate) use layers::*;
pub(crate) mod measure; pub(crate) use measure::*;
pub use self::measure::Measure;
pub(crate) mod min_max; pub(crate) use min_max::*;
pub(crate) mod push_pull; pub(crate) use push_pull::*;
pub(crate) mod cond; pub(crate) use cond::*;
pub(crate) mod layers; pub(crate) use layers::*;
pub(crate) mod measure; pub(crate) use measure::*;
pub(crate) mod position; pub(crate) use position::*;
pub(crate) mod scroll;
pub(crate) mod shrink_grow; pub(crate) use shrink_grow::*;
pub(crate) mod split; pub(crate) use split::*;
pub(crate) mod stack; pub(crate) use stack::*;
pub(crate) mod size; pub(crate) use size::*;
pub(crate) mod split; pub(crate) use split::*;
pub use self::{
align::*,
fill::*,
cond::*,
measure::*,
position::*,
size::*,
split::*,
};
@ -234,3 +231,15 @@ impl<N: Coordinate> Area<N> for [N;4] {
Stack::right(move|add|{ for $pat in $collection { add(&$item)?; } Ok(()) })
};
}
#[macro_export] macro_rules! lay {
([$($expr:expr),* $(,)?]) => {
Layers::new(move|add|{ $(add(&$expr)?;)* Ok(()) })
};
(![$($expr:expr),* $(,)?]) => {
Layers::new(|add|{ $(add(&$expr)?;)* Ok(()) })
};
($expr:expr) => {
Layers::new($expr)
};
}

View file

@ -1,65 +1,43 @@
use crate::*;
pub enum Cond<E: Engine, A: Render<E>, B: Render<E>> {
_Unused(E),
When(bool, A),
Either(bool, A, B)
}
/// Conditional rendering, in unary and binary forms.
pub struct Cond;
impl<E: Engine, R: Render<E>> LayoutCond<E> for R {}
pub trait LayoutCond<E: Engine>: Render<E> + Sized {
fn when (self, cond: bool) -> If<E, Self> {
If(Default::default(), cond, self)
impl Cond {
/// Render `item` when `cond` is true.
pub fn when <E: Engine, A: Render<E>> (cond: bool, item: A) -> When<E, A> {
When(cond, item, Default::default())
}
fn or <B: Render<E>> (self, cond: bool, other: B) -> Either<E, Self, B> {
Either(Default::default(), cond, self, other)
/// Render `item` if `cond` is true, otherwise render `other`.
pub fn either <E: Engine, A: Render<E>, B: Render<E>> (cond: bool, item: A, other: B) -> Either<E, A, B> {
Either(cond, item, other, Default::default())
}
}
impl<E: Engine> LayoutCondStatic<E> for E {}
/// Renders `self.1` when `self.0` is true.
pub struct When<E: Engine, A: Render<E>>(bool, A, PhantomData<E>);
pub trait LayoutCondStatic<E: Engine> {
fn either <A: Render<E>, B: Render<E>> (
condition: bool,
a: A,
b: B,
) -> Either<E, A, B> {
Either(Default::default(), condition, a, b)
}
}
/// Renders `self.1` when `self.0` is true, otherwise renders `self.2`
pub struct Either<E: Engine, A: Render<E>, B: Render<E>>(bool, A, B, PhantomData<E>);
/// Render widget if predicate is true
pub struct If<E: Engine, A: Render<E>>(PhantomData<E>, bool, A);
impl<E: Engine, A: Render<E>> Render<E> for If<E, A> {
impl<E: Engine, A: Render<E>> Render<E> for When<E, A> {
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
if self.1 {
return self.2.min_size(to)
}
Ok(None)
let Self(cond, item, ..) = self;
if *cond { item.min_size(to) } else { Ok(Some([0.into(), 0.into()].into())) }
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
if self.1 {
return self.2.render(to)
}
Ok(())
let Self(cond, item, ..) = self;
if *cond { item.render(to) } else { Ok(()) }
}
}
/// Render widget A if predicate is true, otherwise widget B
pub struct Either<E: Engine, A: Render<E>, B: Render<E>>(
PhantomData<E>,
bool,
A,
B,
);
impl<E: Engine, A: Render<E>, B: Render<E>> Render<E> for Either<E, A, B> {
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
if self.1 { self.2.min_size(to) } else { self.3.min_size(to) }
let Self(cond, item, other, ..) = self;
if *cond { item.min_size(to) } else { other.min_size(to) }
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
if self.1 { self.2.render(to) } else { self.3.render(to) }
let Self(cond, item, other, ..) = self;
if *cond { item.render(to) } else { other.render(to) }
}
}

View file

@ -1,47 +0,0 @@
use crate::*;
pub enum Fill<E: Engine, W: Render<E>> {
X(W),
Y(W),
XY(W),
_Unused(PhantomData<E>)
}
impl<E: Engine, W: Render<E>> Fill<E, W> {
fn inner (&self) -> &W {
match self {
Self::X(inner) => &inner,
Self::Y(inner) => &inner,
Self::XY(inner) => &inner,
_ => unreachable!(),
}
}
pub fn w (fill: W) -> Self {
Self::X(fill)
}
pub fn h (fill: W) -> Self {
Self::Y(fill)
}
pub fn wh (fill: W) -> Self {
Self::XY(fill)
}
}
impl<E: Engine, W: Render<E>> Render<E> for Fill<E, W> {
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
let area = self.inner().min_size(to.into())?;
if let Some(area) = area {
Ok(Some(match self {
Self::X(_) => [to.w().into(), area.h()],
Self::Y(_) => [area.w(), to.h().into()],
Self::XY(_) => [to.w().into(), to.h().into()],
_ => unreachable!(),
}.into()))
} else {
Ok(None)
}
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
self.inner().render(to)
}
}

View file

@ -1,54 +0,0 @@
use crate::*;
/// Enforce fixed size of drawing area
pub enum Fixed<E: Engine, T: Render<E>> {
_Unused(PhantomData<E>),
/// Enforce fixed width
X(E::Unit, T),
/// Enforce fixed height
Y(E::Unit, T),
/// Enforce fixed width and height
XY(E::Unit, E::Unit, T),
}
impl<E: Engine, T: Render<E>> Fixed<E, T> {
pub fn inner (&self) -> &T {
match self {
Self::X(_, i) => i,
Self::Y(_, i) => i,
Self::XY(_, _, i) => i,
_ => unreachable!(),
}
}
pub fn w (x: E::Unit, w: T) -> Self {
Self::X(x, w)
}
pub fn h (y: E::Unit, w: T) -> Self {
Self::Y(y, w)
}
pub fn wh (x: E::Unit, y: E::Unit, w: T) -> Self {
Self::XY(x, y, w)
}
}
impl<E: Engine, T: Render<E>> Render<E> for Fixed<E, T> {
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
Ok(match self {
Self::X(w, _) =>
if to.w() >= *w { Some([*w, to.h()].into()) } else { None },
Self::Y(h, _) =>
if to.h() >= *h { Some([to.w(), *h].into()) } else { None },
Self::XY(w, h, _)
=> if to.w() >= *w && to.h() >= *h { Some([*w, *h].into()) } else { None },
_ => unreachable!(),
})
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
// 🡘 🡙 ←🡙→
if let Some(size) = self.min_size(to.area().wh().into())? {
to.render_in(to.area().clip(size).into(), self.inner())
} else {
Ok(())
}
}
}

View file

@ -1,92 +0,0 @@
use crate::*;
impl<E: Engine + LayoutPushPull<E> + LayoutShrinkGrow<E>> LayoutInsetOutset<E> for E {}
pub trait LayoutInsetOutset<E: Engine>: LayoutPushPull<E> + LayoutShrinkGrow<E> {
fn inset_x <W: Render<E>> (x: E::Unit, w: W) -> Inset<E, W> {
Inset::X(x, w)
}
fn inset_y <W: Render<E>> (y: E::Unit, w: W) -> Inset<E, W> {
Inset::Y(y, w)
}
fn inset_xy <W: Render<E>> (x: E::Unit, y: E::Unit, w: W) -> Inset<E, W> {
Inset::XY(x, y, w)
}
fn outset_x <W: Render<E>> (x: E::Unit, w: W) -> Outset<E, W> {
Outset::X(x, w)
}
fn outset_y <W: Render<E>> (y: E::Unit, w: W) -> Outset<E, W> {
Outset::Y(y, w)
}
fn outset_xy <W: Render<E>> (x: E::Unit, y: E::Unit, w: W) -> Outset<E, W> {
Outset::XY(x, y, w)
}
}
/// Shrink from each side
pub enum Inset<E: Engine, T> {
/// Decrease width
X(E::Unit, T),
/// Decrease height
Y(E::Unit, T),
/// Decrease width and height
XY(E::Unit, E::Unit, T),
}
impl<E: Engine, T: Render<E>> Inset<E, T> {
pub fn inner (&self) -> &T {
match self {
Self::X(_, i) => i,
Self::Y(_, i) => i,
Self::XY(_, _, i) => i,
}
}
}
impl<E: Engine, T: Render<E>> Render<E> for Inset<E, T> {
fn render (&self, to: &mut E::Output) -> Usually<()> {
match self {
Self::X(x, inner) => E::push_x(*x, E::shrink_x(*x, inner)),
Self::Y(y, inner) => E::push_y(*y, E::shrink_y(*y, inner)),
Self::XY(x, y, inner) => E::push_xy(*x, *y, E::shrink_xy(*x, *y, inner)),
}.render(to)
}
}
/// Grow on each side
pub enum Outset<E: Engine, T: Render<E>> {
/// Increase width
X(E::Unit, T),
/// Increase height
Y(E::Unit, T),
/// Increase width and height
XY(E::Unit, E::Unit, T),
}
impl<E: Engine, T: Render<E>> Outset<E, T> {
pub fn inner (&self) -> &T {
match self {
Self::X(_, i) => i,
Self::Y(_, i) => i,
Self::XY(_, _, i) => i,
}
}
}
impl<E: Engine, T: Render<E>> Render<E> for Outset<E, T> {
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
match *self {
Self::X(x, ref inner) => E::grow_x(x + x, inner),
Self::Y(y, ref inner) => E::grow_y(y + y, inner),
Self::XY(x, y, ref inner) => E::grow_xy(x + x, y + y, inner),
}.min_size(to)
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
match *self {
Self::X(x, ref inner) => E::push_x(x, inner),
Self::Y(y, ref inner) => E::push_y(y, inner),
Self::XY(x, y, ref inner) => E::push_xy(x, y, inner),
}.render(to)
}
}

View file

@ -1,17 +1,5 @@
use crate::*;
#[macro_export] macro_rules! lay {
([$($expr:expr),* $(,)?]) => {
Layers::new(move|add|{ $(add(&$expr)?;)* Ok(()) })
};
(![$($expr:expr),* $(,)?]) => {
Layers::new(|add|{ $(add(&$expr)?;)* Ok(()) })
};
($expr:expr) => {
Layers::new($expr)
};
}
pub struct Layers<
E: Engine,
F: Send + Sync + Fn(&mut dyn FnMut(&dyn Render<E>)->Usually<()>)->Usually<()>

View file

@ -1,95 +0,0 @@
use crate::*;
impl<E: Engine> LayoutMinMax<E> for E {}
pub trait LayoutMinMax<E: Engine> {
fn min_x <W: Render<E>> (x: E::Unit, w: W) -> Min<E, W> {
Min::X(x, w)
}
fn min_y <W: Render<E>> (y: E::Unit, w: W) -> Min<E, W> {
Min::Y(y, w)
}
fn min_xy <W: Render<E>> (x: E::Unit, y: E::Unit, w: W) -> Min<E, W> {
Min::XY(x, y, w)
}
fn max_x <W: Render<E>> (x: E::Unit, w: W) -> Max<E, W> {
Max::X(x, w)
}
fn max_y <W: Render<E>> (y: E::Unit, w: W) -> Max<E, W> {
Max::Y(y, w)
}
fn max_xy <W: Render<E>> (x: E::Unit, y: E::Unit, w: W) -> Max<E, W> {
Max::XY(x, y, w)
}
}
/// Enforce minimum size of drawing area
pub enum Min<E: Engine, T: Render<E>> {
/// Enforce minimum width
X(E::Unit, T),
/// Enforce minimum height
Y(E::Unit, T),
/// Enforce minimum width and height
XY(E::Unit, E::Unit, T),
}
/// Enforce maximum size of drawing area
pub enum Max<E: Engine, T: Render<E>> {
/// Enforce maximum width
X(E::Unit, T),
/// Enforce maximum height
Y(E::Unit, T),
/// Enforce maximum width and height
XY(E::Unit, E::Unit, T),
}
impl<E: Engine, T: Render<E>> Min<E, T> {
pub fn inner (&self) -> &T {
match self {
Self::X(_, i) => i,
Self::Y(_, i) => i,
Self::XY(_, _, i) => i,
}
}
}
impl<E: Engine, T: Render<E>> Render<E> for Min<E, T> {
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
Ok(self.inner().min_size(to)?.map(|to|match *self {
Self::X(w, _) => [to.w().max(w), to.h()],
Self::Y(h, _) => [to.w(), to.h().max(h)],
Self::XY(w, h, _) => [to.w().max(w), to.h().max(h)],
}.into()))
}
// TODO: 🡘 🡙 ←🡙→
fn render (&self, to: &mut E::Output) -> Usually<()> {
Ok(self.min_size(to.area().wh().into())?
.map(|size|to.render_in(to.area().clip(size).into(), self.inner()))
.transpose()?.unwrap_or(()))
}
}
impl<E: Engine, T: Render<E>> Max<E, T> {
fn inner (&self) -> &T {
match self {
Self::X(_, i) => i,
Self::Y(_, i) => i,
Self::XY(_, _, i) => i,
}
}
}
impl<E: Engine, T: Render<E>> Render<E> for Max<E, T> {
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
Ok(self.inner().min_size(to)?.map(|to|match *self {
Self::X(w, _) => [to.w().min(w), to.h()],
Self::Y(h, _) => [to.w(), to.h().min(h)],
Self::XY(w, h, _) => [to.w().min(w), to.h().min(h)],
}.into()))
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
Ok(self.min_size(to.area().wh().into())?
.map(|size|to.render_in(to.area().clip(size).into(), self.inner()))
.transpose()?.unwrap_or(()))
}
}

View file

@ -126,3 +126,94 @@ impl<E: Engine, T: Render<E>> Render<E> for Pull<E, T> {
}
}
impl<E: Engine + LayoutPushPull<E> + LayoutShrinkGrow<E>> LayoutInsetOutset<E> for E {}
pub trait LayoutInsetOutset<E: Engine>: LayoutPushPull<E> + LayoutShrinkGrow<E> {
fn inset_x <W: Render<E>> (x: E::Unit, w: W) -> Inset<E, W> {
Inset::X(x, w)
}
fn inset_y <W: Render<E>> (y: E::Unit, w: W) -> Inset<E, W> {
Inset::Y(y, w)
}
fn inset_xy <W: Render<E>> (x: E::Unit, y: E::Unit, w: W) -> Inset<E, W> {
Inset::XY(x, y, w)
}
fn outset_x <W: Render<E>> (x: E::Unit, w: W) -> Outset<E, W> {
Outset::X(x, w)
}
fn outset_y <W: Render<E>> (y: E::Unit, w: W) -> Outset<E, W> {
Outset::Y(y, w)
}
fn outset_xy <W: Render<E>> (x: E::Unit, y: E::Unit, w: W) -> Outset<E, W> {
Outset::XY(x, y, w)
}
}
/// Shrink from each side
pub enum Inset<E: Engine, T> {
/// Decrease width
X(E::Unit, T),
/// Decrease height
Y(E::Unit, T),
/// Decrease width and height
XY(E::Unit, E::Unit, T),
}
impl<E: Engine, T: Render<E>> Inset<E, T> {
pub fn inner (&self) -> &T {
match self {
Self::X(_, i) => i,
Self::Y(_, i) => i,
Self::XY(_, _, i) => i,
}
}
}
impl<E: Engine, T: Render<E>> Render<E> for Inset<E, T> {
fn render (&self, to: &mut E::Output) -> Usually<()> {
match self {
Self::X(x, inner) => E::push_x(*x, E::shrink_x(*x, inner)),
Self::Y(y, inner) => E::push_y(*y, E::shrink_y(*y, inner)),
Self::XY(x, y, inner) => E::push_xy(*x, *y, E::shrink_xy(*x, *y, inner)),
}.render(to)
}
}
/// Grow on each side
pub enum Outset<E: Engine, T: Render<E>> {
/// Increase width
X(E::Unit, T),
/// Increase height
Y(E::Unit, T),
/// Increase width and height
XY(E::Unit, E::Unit, T),
}
impl<E: Engine, T: Render<E>> Outset<E, T> {
pub fn inner (&self) -> &T {
match self {
Self::X(_, i) => i,
Self::Y(_, i) => i,
Self::XY(_, _, i) => i,
}
}
}
impl<E: Engine, T: Render<E>> Render<E> for Outset<E, T> {
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
match *self {
Self::X(x, ref inner) => E::grow_x(x + x, inner),
Self::Y(y, ref inner) => E::grow_y(y + y, inner),
Self::XY(x, y, ref inner) => E::grow_xy(x + x, y + y, inner),
}.min_size(to)
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
match *self {
Self::X(x, ref inner) => E::push_x(x, inner),
Self::Y(y, ref inner) => E::push_y(y, inner),
Self::XY(x, y, ref inner) => E::push_xy(x, y, inner),
}.render(to)
}
}

View file

@ -1,103 +0,0 @@
use crate::*;
impl<E: Engine> LayoutShrinkGrow<E> for E {}
pub trait LayoutShrinkGrow<E: Engine> {
fn shrink_x <W: Render<E>> (x: E::Unit, w: W) -> Shrink<E, W> {
Shrink::X(x, w)
}
fn shrink_y <W: Render<E>> (y: E::Unit, w: W) -> Shrink<E, W> {
Shrink::Y(y, w)
}
fn shrink_xy <W: Render<E>> (x: E::Unit, y: E::Unit, w: W) -> Shrink<E, W> {
Shrink::XY(x, y, w)
}
fn grow_x <W: Render<E>> (x: E::Unit, w: W) -> Grow<E, W> {
Grow::X(x, w)
}
fn grow_y <W: Render<E>> (y: E::Unit, w: W) -> Grow<E, W> {
Grow::Y(y, w)
}
fn grow_xy <W: Render<E>> (x: E::Unit, y: E::Unit, w: W) -> Grow<E, W> {
Grow::XY(x, y, w)
}
}
/// Shrink drawing area
pub enum Shrink<E: Engine, T: Render<E>> {
/// Decrease width
X(E::Unit, T),
/// Decrease height
Y(E::Unit, T),
/// Decrease width and height
XY(E::Unit, E::Unit, T),
}
/// Expand drawing area
pub enum Grow<E: Engine, T: Render<E>> {
/// Increase width
X(E::Unit, T),
/// Increase height
Y(E::Unit, T),
/// Increase width and height
XY(E::Unit, E::Unit, T)
}
impl<E: Engine, T: Render<E>> Shrink<E, T> {
fn inner (&self) -> &T {
match self {
Self::X(_, i) => i,
Self::Y(_, i) => i,
Self::XY(_, _, i) => i,
}
}
}
impl<E: Engine, T: Render<E>> Grow<E, T> {
fn inner (&self) -> &T {
match self {
Self::X(_, i) => i,
Self::Y(_, i) => i,
Self::XY(_, _, i) => i,
}
}
}
impl<E: Engine, T: Render<E>> Render<E> for Shrink<E, T> {
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
Ok(self.inner().min_size(to)?.map(|to|match *self {
Self::X(w, _) => [
if to.w() > w { to.w() - w } else { 0.into() },
to.h()
],
Self::Y(h, _) => [
to.w(),
if to.h() > h { to.h() - h } else { 0.into() }
],
Self::XY(w, h, _) => [
if to.w() > w { to.w() - w } else { 0.into() },
if to.h() > h { to.h() - h } else { 0.into() }
],
}.into()))
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
Ok(self.min_size(to.area().wh().into())?
.map(|size|to.render_in(to.area().clip(size).into(), self.inner()))
.transpose()?.unwrap_or(()))
}
}
impl<E: Engine, T: Render<E>> Render<E> for Grow<E, T> {
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
Ok(self.inner().min_size(to)?.map(|to|match *self {
Self::X(w, _) => [to.w() + w, to.h()],
Self::Y(h, _) => [to.w(), to.h() + h],
Self::XY(w, h, _) => [to.w() + w, to.h() + h],
}.into()))
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
Ok(self.min_size(to.area().wh().into())?
.map(|size|to.render_in(to.area().clip(size).into(), self.inner()))
.transpose()?.unwrap_or(()))
}
}

296
src/space/size.rs Normal file
View file

@ -0,0 +1,296 @@
use crate::*;
impl<E: Engine> LayoutShrinkGrow<E> for E {}
pub trait LayoutShrinkGrow<E: Engine> {
fn shrink_x <W: Render<E>> (x: E::Unit, w: W) -> Shrink<E, W> {
Shrink::X(x, w)
}
fn shrink_y <W: Render<E>> (y: E::Unit, w: W) -> Shrink<E, W> {
Shrink::Y(y, w)
}
fn shrink_xy <W: Render<E>> (x: E::Unit, y: E::Unit, w: W) -> Shrink<E, W> {
Shrink::XY(x, y, w)
}
fn grow_x <W: Render<E>> (x: E::Unit, w: W) -> Grow<E, W> {
Grow::X(x, w)
}
fn grow_y <W: Render<E>> (y: E::Unit, w: W) -> Grow<E, W> {
Grow::Y(y, w)
}
fn grow_xy <W: Render<E>> (x: E::Unit, y: E::Unit, w: W) -> Grow<E, W> {
Grow::XY(x, y, w)
}
}
/// Shrink drawing area
pub enum Shrink<E: Engine, T: Render<E>> {
/// Decrease width
X(E::Unit, T),
/// Decrease height
Y(E::Unit, T),
/// Decrease width and height
XY(E::Unit, E::Unit, T),
}
/// Expand drawing area
pub enum Grow<E: Engine, T: Render<E>> {
/// Increase width
X(E::Unit, T),
/// Increase height
Y(E::Unit, T),
/// Increase width and height
XY(E::Unit, E::Unit, T)
}
impl<E: Engine, T: Render<E>> Shrink<E, T> {
fn inner (&self) -> &T {
match self {
Self::X(_, i) => i,
Self::Y(_, i) => i,
Self::XY(_, _, i) => i,
}
}
}
impl<E: Engine, T: Render<E>> Grow<E, T> {
fn inner (&self) -> &T {
match self {
Self::X(_, i) => i,
Self::Y(_, i) => i,
Self::XY(_, _, i) => i,
}
}
}
impl<E: Engine, T: Render<E>> Render<E> for Shrink<E, T> {
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
Ok(self.inner().min_size(to)?.map(|to|match *self {
Self::X(w, _) => [
if to.w() > w { to.w() - w } else { 0.into() },
to.h()
],
Self::Y(h, _) => [
to.w(),
if to.h() > h { to.h() - h } else { 0.into() }
],
Self::XY(w, h, _) => [
if to.w() > w { to.w() - w } else { 0.into() },
if to.h() > h { to.h() - h } else { 0.into() }
],
}.into()))
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
Ok(self.min_size(to.area().wh().into())?
.map(|size|to.render_in(to.area().clip(size).into(), self.inner()))
.transpose()?.unwrap_or(()))
}
}
impl<E: Engine, T: Render<E>> Render<E> for Grow<E, T> {
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
Ok(self.inner().min_size(to)?.map(|to|match *self {
Self::X(w, _) => [to.w() + w, to.h()],
Self::Y(h, _) => [to.w(), to.h() + h],
Self::XY(w, h, _) => [to.w() + w, to.h() + h],
}.into()))
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
Ok(self.min_size(to.area().wh().into())?
.map(|size|to.render_in(to.area().clip(size).into(), self.inner()))
.transpose()?.unwrap_or(()))
}
}
pub enum Fill<E: Engine, W: Render<E>> {
_Unused(PhantomData<E>),
X(W),
Y(W),
XY(W),
}
impl<E: Engine, W: Render<E>> Fill<E, W> {
fn inner (&self) -> &W {
match self {
Self::X(inner) => &inner,
Self::Y(inner) => &inner,
Self::XY(inner) => &inner,
_ => unreachable!(),
}
}
pub fn w (fill: W) -> Self {
Self::X(fill)
}
pub fn h (fill: W) -> Self {
Self::Y(fill)
}
pub fn wh (fill: W) -> Self {
Self::XY(fill)
}
}
impl<E: Engine, W: Render<E>> Render<E> for Fill<E, W> {
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
let area = self.inner().min_size(to.into())?;
if let Some(area) = area {
Ok(Some(match self {
Self::X(_) => [to.w().into(), area.h()],
Self::Y(_) => [area.w(), to.h().into()],
Self::XY(_) => [to.w().into(), to.h().into()],
_ => unreachable!(),
}.into()))
} else {
Ok(None)
}
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
self.inner().render(to)
}
}
/// Enforce fixed size of drawing area
pub enum Fixed<E: Engine, T: Render<E>> {
_Unused(PhantomData<E>),
/// Enforce fixed width
X(E::Unit, T),
/// Enforce fixed height
Y(E::Unit, T),
/// Enforce fixed width and height
XY(E::Unit, E::Unit, T),
}
impl<E: Engine, T: Render<E>> Fixed<E, T> {
pub fn inner (&self) -> &T {
match self {
Self::X(_, i) => i,
Self::Y(_, i) => i,
Self::XY(_, _, i) => i,
_ => unreachable!(),
}
}
pub fn w (x: E::Unit, w: T) -> Self {
Self::X(x, w)
}
pub fn h (y: E::Unit, w: T) -> Self {
Self::Y(y, w)
}
pub fn wh (x: E::Unit, y: E::Unit, w: T) -> Self {
Self::XY(x, y, w)
}
}
impl<E: Engine, T: Render<E>> Render<E> for Fixed<E, T> {
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
Ok(match self {
Self::X(w, _) =>
if to.w() >= *w { Some([*w, to.h()].into()) } else { None },
Self::Y(h, _) =>
if to.h() >= *h { Some([to.w(), *h].into()) } else { None },
Self::XY(w, h, _)
=> if to.w() >= *w && to.h() >= *h { Some([*w, *h].into()) } else { None },
_ => unreachable!(),
})
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
// 🡘 🡙 ←🡙→
if let Some(size) = self.min_size(to.area().wh().into())? {
to.render_in(to.area().clip(size).into(), self.inner())
} else {
Ok(())
}
}
}
impl<E: Engine> LayoutMinMax<E> for E {}
pub trait LayoutMinMax<E: Engine> {
fn min_x <W: Render<E>> (x: E::Unit, w: W) -> Min<E, W> {
Min::X(x, w)
}
fn min_y <W: Render<E>> (y: E::Unit, w: W) -> Min<E, W> {
Min::Y(y, w)
}
fn min_xy <W: Render<E>> (x: E::Unit, y: E::Unit, w: W) -> Min<E, W> {
Min::XY(x, y, w)
}
fn max_x <W: Render<E>> (x: E::Unit, w: W) -> Max<E, W> {
Max::X(x, w)
}
fn max_y <W: Render<E>> (y: E::Unit, w: W) -> Max<E, W> {
Max::Y(y, w)
}
fn max_xy <W: Render<E>> (x: E::Unit, y: E::Unit, w: W) -> Max<E, W> {
Max::XY(x, y, w)
}
}
/// Enforce minimum size of drawing area
pub enum Min<E: Engine, T: Render<E>> {
/// Enforce minimum width
X(E::Unit, T),
/// Enforce minimum height
Y(E::Unit, T),
/// Enforce minimum width and height
XY(E::Unit, E::Unit, T),
}
/// Enforce maximum size of drawing area
pub enum Max<E: Engine, T: Render<E>> {
/// Enforce maximum width
X(E::Unit, T),
/// Enforce maximum height
Y(E::Unit, T),
/// Enforce maximum width and height
XY(E::Unit, E::Unit, T),
}
impl<E: Engine, T: Render<E>> Min<E, T> {
pub fn inner (&self) -> &T {
match self {
Self::X(_, i) => i,
Self::Y(_, i) => i,
Self::XY(_, _, i) => i,
}
}
}
impl<E: Engine, T: Render<E>> Render<E> for Min<E, T> {
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
Ok(self.inner().min_size(to)?.map(|to|match *self {
Self::X(w, _) => [to.w().max(w), to.h()],
Self::Y(h, _) => [to.w(), to.h().max(h)],
Self::XY(w, h, _) => [to.w().max(w), to.h().max(h)],
}.into()))
}
// TODO: 🡘 🡙 ←🡙→
fn render (&self, to: &mut E::Output) -> Usually<()> {
Ok(self.min_size(to.area().wh().into())?
.map(|size|to.render_in(to.area().clip(size).into(), self.inner()))
.transpose()?.unwrap_or(()))
}
}
impl<E: Engine, T: Render<E>> Max<E, T> {
fn inner (&self) -> &T {
match self {
Self::X(_, i) => i,
Self::Y(_, i) => i,
Self::XY(_, _, i) => i,
}
}
}
impl<E: Engine, T: Render<E>> Render<E> for Max<E, T> {
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
Ok(self.inner().min_size(to)?.map(|to|match *self {
Self::X(w, _) => [to.w().min(w), to.h()],
Self::Y(h, _) => [to.w(), to.h().min(h)],
Self::XY(w, h, _) => [to.w().min(w), to.h().min(h)],
}.into()))
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
Ok(self.min_size(to.area().wh().into())?
.map(|size|to.render_in(to.area().clip(size).into(), self.inner()))
.transpose()?.unwrap_or(()))
}
}

View file

@ -138,6 +138,157 @@ impl<E: Engine, X: Render<E>, Y: Render<E>> Render<E> for Bsp<E, X, Y> {
}
}
pub struct Stack<
E: Engine,
F: Send + Sync + Fn(&mut dyn FnMut(&dyn Render<E>)->Usually<()>)->Usually<()>
>(pub F, pub Direction, PhantomData<E>);
impl<
E: Engine,
F: Send + Sync + Fn(&mut dyn FnMut(&dyn Render<E>)->Usually<()>)->Usually<()>
> Stack<E, F> {
#[inline] pub fn new (direction: Direction, build: F) -> Self {
Self(build, direction, Default::default())
}
#[inline] pub fn right (build: F) -> Self {
Self::new(East, build)
}
#[inline] pub fn down (build: F) -> Self {
Self::new(South, build)
}
#[inline] pub fn up (build: F) -> Self {
Self::new(North, build)
}
}
impl<E: Engine, F> Render<E> for Stack<E, F>
where
F: Send + Sync + Fn(&mut dyn FnMut(&dyn Render<E>)->Usually<()>)->Usually<()>
{
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
match self.1 {
South => {
let mut w: E::Unit = 0.into();
let mut h: E::Unit = 0.into();
(self.0)(&mut |component: &dyn Render<E>| {
let max = to.h().minus(h);
if max > E::Unit::zero() {
let item = E::max_y(max, E::push_y(h, component));
let size = item.min_size(to)?.map(|size|size.wh());
if let Some([width, height]) = size {
h = h + height.into();
w = w.max(width);
}
}
Ok(())
})?;
Ok(Some([w, h].into()))
},
East => {
let mut w: E::Unit = 0.into();
let mut h: E::Unit = 0.into();
(self.0)(&mut |component: &dyn Render<E>| {
let max = to.w().minus(w);
if max > E::Unit::zero() {
let item = E::max_x(max, E::push_x(h, component));
let size = item.min_size(to)?.map(|size|size.wh());
if let Some([width, height]) = size {
w = w + width.into();
h = h.max(height);
}
}
Ok(())
})?;
Ok(Some([w, h].into()))
},
North => {
let mut w: E::Unit = 0.into();
let mut h: E::Unit = 0.into();
(self.0)(&mut |component: &dyn Render<E>| {
let max = to.h().minus(h);
if max > E::Unit::zero() {
let item = E::max_y(to.h() - h, component);
let size = item.min_size(to)?.map(|size|size.wh());
if let Some([width, height]) = size {
h = h + height.into();
w = w.max(width);
}
}
Ok(())
})?;
Ok(Some([w, h].into()))
},
West => {
let w: E::Unit = 0.into();
let h: E::Unit = 0.into();
(self.0)(&mut |component: &dyn Render<E>| {
if w < to.w() {
todo!();
}
Ok(())
})?;
Ok(Some([w, h].into()))
},
}
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
let area = to.area();
let mut w = 0.into();
let mut h = 0.into();
match self.1 {
South => {
(self.0)(&mut |item| {
if h < area.h() {
let item = E::max_y(area.h() - h, E::push_y(h, item));
let show = item.min_size(area.wh().into())?.map(|s|s.wh());
if let Some([width, height]) = show {
item.render(to)?;
h = h + height;
if width > w { w = width }
};
}
Ok(())
})?;
},
East => {
(self.0)(&mut |item| {
if w < area.w() {
let item = E::max_x(area.w() - w, E::push_x(w, item));
let show = item.min_size(area.wh().into())?.map(|s|s.wh());
if let Some([width, height]) = show {
item.render(to)?;
w = width + w;
if height > h { h = height }
};
}
Ok(())
})?;
},
North => {
(self.0)(&mut |item| {
if h < area.h() {
let show = item.min_size([area.w(), area.h().minus(h)].into())?.map(|s|s.wh());
if let Some([width, height]) = show {
E::shrink_y(height, E::push_y(area.h() - height, item))
.render(to)?;
h = h + height;
if width > w { w = width }
};
}
Ok(())
})?;
},
_ => todo!()
};
Ok(())
}
}
#[cfg(test)] #[test] fn test_bsp () {
// TODO
}

View file

@ -1,153 +0,0 @@
use crate::*;
use Direction::*;
pub struct Stack<
E: Engine,
F: Send + Sync + Fn(&mut dyn FnMut(&dyn Render<E>)->Usually<()>)->Usually<()>
>(pub F, pub Direction, PhantomData<E>);
impl<
E: Engine,
F: Send + Sync + Fn(&mut dyn FnMut(&dyn Render<E>)->Usually<()>)->Usually<()>
> Stack<E, F> {
#[inline] pub fn new (direction: Direction, build: F) -> Self {
Self(build, direction, Default::default())
}
#[inline] pub fn right (build: F) -> Self {
Self::new(East, build)
}
#[inline] pub fn down (build: F) -> Self {
Self::new(South, build)
}
#[inline] pub fn up (build: F) -> Self {
Self::new(North, build)
}
}
impl<E: Engine, F> Render<E> for Stack<E, F>
where
F: Send + Sync + Fn(&mut dyn FnMut(&dyn Render<E>)->Usually<()>)->Usually<()>
{
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
match self.1 {
South => {
let mut w: E::Unit = 0.into();
let mut h: E::Unit = 0.into();
(self.0)(&mut |component: &dyn Render<E>| {
let max = to.h().minus(h);
if max > E::Unit::zero() {
let item = E::max_y(max, E::push_y(h, component));
let size = item.min_size(to)?.map(|size|size.wh());
if let Some([width, height]) = size {
h = h + height.into();
w = w.max(width);
}
}
Ok(())
})?;
Ok(Some([w, h].into()))
},
East => {
let mut w: E::Unit = 0.into();
let mut h: E::Unit = 0.into();
(self.0)(&mut |component: &dyn Render<E>| {
let max = to.w().minus(w);
if max > E::Unit::zero() {
let item = E::max_x(max, E::push_x(h, component));
let size = item.min_size(to)?.map(|size|size.wh());
if let Some([width, height]) = size {
w = w + width.into();
h = h.max(height);
}
}
Ok(())
})?;
Ok(Some([w, h].into()))
},
North => {
let mut w: E::Unit = 0.into();
let mut h: E::Unit = 0.into();
(self.0)(&mut |component: &dyn Render<E>| {
let max = to.h().minus(h);
if max > E::Unit::zero() {
let item = E::max_y(to.h() - h, component);
let size = item.min_size(to)?.map(|size|size.wh());
if let Some([width, height]) = size {
h = h + height.into();
w = w.max(width);
}
}
Ok(())
})?;
Ok(Some([w, h].into()))
},
West => {
let w: E::Unit = 0.into();
let h: E::Unit = 0.into();
(self.0)(&mut |component: &dyn Render<E>| {
if w < to.w() {
todo!();
}
Ok(())
})?;
Ok(Some([w, h].into()))
},
}
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
let area = to.area();
let mut w = 0.into();
let mut h = 0.into();
match self.1 {
South => {
(self.0)(&mut |item| {
if h < area.h() {
let item = E::max_y(area.h() - h, E::push_y(h, item));
let show = item.min_size(area.wh().into())?.map(|s|s.wh());
if let Some([width, height]) = show {
item.render(to)?;
h = h + height;
if width > w { w = width }
};
}
Ok(())
})?;
},
East => {
(self.0)(&mut |item| {
if w < area.w() {
let item = E::max_x(area.w() - w, E::push_x(w, item));
let show = item.min_size(area.wh().into())?.map(|s|s.wh());
if let Some([width, height]) = show {
item.render(to)?;
w = width + w;
if height > h { h = height }
};
}
Ok(())
})?;
},
North => {
(self.0)(&mut |item| {
if h < area.h() {
let show = item.min_size([area.w(), area.h().minus(h)].into())?.map(|s|s.wh());
if let Some([width, height]) = show {
E::shrink_y(height, E::push_y(area.h() - height, item))
.render(to)?;
h = h + height;
if width > w { w = width }
};
}
Ok(())
})?;
},
_ => todo!()
};
Ok(())
}
}