wip: add TuiStyle, unifying Modal

This commit is contained in:
🪞👃🪞 2024-09-24 18:32:42 +03:00
parent 7c555848e4
commit 29f11b5977
6 changed files with 467 additions and 434 deletions

View file

@ -1,62 +1,59 @@
use crate::*;
/// Entry point for main loop
pub trait App<T: Engine> {
fn run (self, context: T) -> Usually<T>;
}
pub trait App<T: Engine> { fn run (self, context: T) -> Usually<T>; }
/// Platform backend.
pub trait Engine: Send + Sync + Sized {
/// Input event type
type Input: Input<Self>;
/// Result of handling input
type Handled;
/// Render target
type Output: Output<Self>;
/// Unit of length
type Unit: Number;
type Area: Area<Self::Unit> + From<[Self::Unit;4]> + Debug + Copy;
/// Rectangle without offset
type Size: Size<Self::Unit> + From<[Self::Unit;2]> + Debug + Copy;
/// Rectangle with offset
type Area: Area<Self::Unit> + From<[Self::Unit;4]> + Debug + Copy;
/// Prepare before run
fn setup (&mut self) -> Usually<()> { Ok(()) }
/// True if done
fn exited (&self) -> bool;
/// Clean up after run
fn teardown (&mut self) -> Usually<()> { Ok(()) }
}
/// Current input state
pub trait Input<E: Engine> {
/// Type of input event
type Event;
fn event (&self)
-> &Self::Event;
fn is_done (&self)
-> bool;
/// Currently handled event
fn event (&self) -> &Self::Event;
/// Whether component should exit
fn is_done (&self) -> bool;
/// Mark component as done
fn done (&self);
}
/// Rendering target
pub trait Output<E: Engine> {
fn area (&self)
-> E::Area;
fn area_mut (&mut self)
-> &mut E::Area;
fn render_in (&mut self, area: E::Area, widget: &dyn Widget<Engine = E>)
-> Usually<()>;
/// Current output area
fn area (&self) -> E::Area;
/// Mutable pointer to area
fn area_mut (&mut self) -> &mut E::Area;
/// Render widget in area
fn render_in (&mut self, area: E::Area, widget: &dyn Widget<Engine = E>) -> Usually<()>;
}
/// A renderable component
pub trait Widget: Send + Sync {
/// Engine for which this component is implemented
type Engine: Engine;
fn layout (&self,
to: <Self::Engine as Engine>::Size
) -> Perhaps<<Self::Engine as Engine>::Size> {
/// Minimum size to use
fn layout (&self, to: <Self::Engine as Engine>::Size)
-> Perhaps<<Self::Engine as Engine>::Size>
{
Ok(Some(to))
}
fn render (&self,
to: &mut <Self::Engine as Engine>::Output
) -> Usually<()>;
}
impl<'a, E: Engine> Widget for Box<dyn Widget<Engine = E> + 'a> {
type Engine = E;
fn layout (&self, to: E::Size) -> Perhaps<E::Size> {
(**self).layout(to)
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
(**self).render(to)
}
/// Draw to output render target
fn render (&self,to: &mut <Self::Engine as Engine>::Output) -> Usually<()>;
}
impl<E: Engine> Widget for &dyn Widget<Engine = E> {
type Engine = E;
@ -76,6 +73,15 @@ impl<E: Engine> Widget for &mut dyn Widget<Engine = E> {
(**self).render(to)
}
}
impl<'a, E: Engine> Widget for Box<dyn Widget<Engine = E> + 'a> {
type Engine = E;
fn layout (&self, to: E::Size) -> Perhaps<E::Size> {
(**self).layout(to)
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
(**self).render(to)
}
}
impl<E: Engine, W: Widget<Engine = E>> Widget for Arc<W> {
type Engine = E;
fn layout (&self, to: E::Size) -> Perhaps<E::Size> {
@ -112,16 +118,12 @@ impl<E: Engine, W: Widget<Engine = E>> Widget for Option<W> {
self.as_ref().map(|widget|widget.render(to)).unwrap_or(Ok(()))
}
}
/// A component that consists of other components
pub trait Content: Send + Sync {
type Engine: Engine;
fn content (&self) -> impl Widget<Engine = <Self as Content>::Engine>;
}
//impl<E> Content<E> for () where E: Engine {
//fn content (&self) -> impl Widget<E> {
//()
//}
//}
/// Every component is renderable
impl<E: Engine, W: Content<Engine = E>> Widget for W {
type Engine = E;
fn layout (&self, to: E::Size) -> Perhaps<E::Size> {
@ -134,41 +136,16 @@ impl<E: Engine, W: Content<Engine = E>> Widget for W {
}
}
}
/// A UI component.
pub trait Component<E: Engine>: Widget<Engine = E> + Handle<E> {}
/// Everything that implements [Render] and [Handle] is a [Component].
impl<E: Engine, C: Widget<Engine = E> + Handle<E>> Component<E> for C {}
pub trait Exit: Send {
fn exited (&self) -> bool;
fn exit (&mut self);
fn boxed (self) -> Box<dyn Exit> where Self: Sized + 'static {
Box::new(self)
}
}
/// Marker trait for [Component]s that can [Exit]
pub trait ExitableComponent<E>: Exit + Component<E> where E: Engine {
/// Perform type erasure for collecting heterogeneous components.
fn boxed (self) -> Box<dyn ExitableComponent<E>> where Self: Sized + 'static {
Box::new(self)
}
}
impl<E: Engine, C: Component<E> + Exit> ExitableComponent<E> for C {}
/// Handle input
pub trait Handle<E: Engine>: Send + Sync {
fn handle (&mut self, context: &E::Input) -> Perhaps<E::Handled>;
}
impl<H, E: Engine> Handle<E> for &mut H where H: Handle<E> {
impl<E: Engine, H: Handle<E>> Handle<E> for &mut H {
fn handle (&mut self, context: &E::Input) -> Perhaps<E::Handled> {
(*self).handle(context)
}
}
impl<H, E: Engine> Handle<E> for Option<H> where H: Handle<E> {
impl<E: Engine, H: Handle<E>> Handle<E> for Option<H> {
fn handle (&mut self, context: &E::Input) -> Perhaps<E::Handled> {
if let Some(ref mut handle) = self {
handle.handle(context)
@ -197,90 +174,25 @@ impl<H, E: Engine> Handle<E> for Arc<RwLock<H>> where H: Handle<E> {
self.write().unwrap().handle(context)
}
}
pub type KeyHandler<T> = &'static dyn Fn(&mut T)->Usually<bool>;
pub type KeyBinding<T> = (
KeyCode, KeyModifiers, &'static str, &'static str, KeyHandler<T>
);
pub type KeyMap<T> = [KeyBinding<T>];
pub fn handle_keymap <T> (
state: &mut T, event: &TuiEvent, keymap: &KeyMap<T>,
) -> Usually<bool> {
match event {
TuiEvent::Input(crossterm::event::Event::Key(event)) => {
for (code, modifiers, _, _, command) in keymap.iter() {
if *code == event.code && modifiers.bits() == event.modifiers.bits() {
return command(state)
}
}
},
_ => {}
};
Ok(false)
}
/// Define a keymap
#[macro_export] macro_rules! keymap {
($T:ty { $([$k:ident $(($char:literal))?, $m:ident, $n: literal, $d: literal, $f: expr]),* $(,)? }) => {
&[
$((KeyCode::$k $(($char))?, KeyModifiers::$m, $n, $d, &$f as KeyHandler<$T>)),*
] as &'static [KeyBinding<$T>]
/// A UI component that can render itself and handle input
pub trait Component<E: Engine>: Widget<Engine = E> + Handle<E> {}
/// Everything that implements [Render] and [Handle] is a [Component].
impl<E: Engine, C: Widget<Engine = E> + Handle<E>> Component<E> for C {}
pub trait Exit: Send {
fn exited (&self) -> bool;
fn exit (&mut self);
fn boxed (self) -> Box<dyn Exit> where Self: Sized + 'static {
Box::new(self)
}
}
#[macro_export] macro_rules! map_key {
($k:ident $(($char:literal))?, $m:ident, $n: literal, $d: literal, $f: expr) => {
(KeyCode::$k $(($char))?, KeyModifiers::$m, $n, $d, &$f as &dyn Fn()->Usually<bool>)
}
}
#[macro_export] macro_rules! key {
($code:pat) => {
TuiEvent::Input(crossterm::event::Event::Key(crossterm::event::KeyEvent {
code: $code,
modifiers: crossterm::event::KeyModifiers::NONE,
kind: crossterm::event::KeyEventKind::Press,
state: crossterm::event::KeyEventState::NONE
}))
};
(Ctrl-$code:pat) => {
TuiEvent::Input(crossterm::event::Event::Key(crossterm::event::KeyEvent {
code: $code,
modifiers: crossterm::event::KeyModifiers::CONTROL,
kind: crossterm::event::KeyEventKind::Press,
state: crossterm::event::KeyEventState::NONE
}))
};
(Alt-$code:pat) => {
TuiEvent::Input(crossterm::event::Event::Key(crossterm::event::KeyEvent {
code: $code,
modifiers: crossterm::event::KeyModifiers::ALT,
kind: crossterm::event::KeyEventKind::Press,
state: crossterm::event::KeyEventState::NONE
}))
}
}
#[macro_export] macro_rules! match_key {
($event:expr, {
$($key:pat=>$block:expr),* $(,)?
}) => {
match $event {
$(crossterm::event::Event::Key(crossterm::event::KeyEvent {
code: $key,
modifiers: crossterm::event::KeyModifiers::NONE,
kind: crossterm::event::KeyEventKind::Press,
state: crossterm::event::KeyEventState::NONE
}) => {
$block
})*
_ => Ok(None)
}
/// Marker trait for [Component]s that can [Exit]
pub trait ExitableComponent<E>: Exit + Component<E> where E: Engine {
/// Perform type erasure for collecting heterogeneous components.
fn boxed (self) -> Box<dyn ExitableComponent<E>> where Self: Sized + 'static {
Box::new(self)
}
}
impl<E: Engine, C: Component<E> + Exit> ExitableComponent<E> for C {}
/// A component that may contain [Focusable] components.
pub trait Focus <const N: usize, E: Engine>: Widget<Engine = E> + Handle<E> {

View file

@ -108,26 +108,151 @@ impl<N: Number> Area<N> for [N;4] {
#[inline] fn h (&self) -> N { self[3] }
}
pub struct Split<
E: Engine,
F: Send + Sync + Fn(&mut dyn FnMut(&dyn Widget<Engine = E>)->Usually<()>)->Usually<()>
>(pub F, pub Direction, PhantomData<E>);
pub trait Layout<E: Engine>: Widget<Engine = E> + Sized {
fn align_center (self) -> Align<Self> {
Align::Center(self)
}
fn align_x (self) -> Align<Self> {
Align::X(self)
}
fn align_y (self) -> Align<Self> {
Align::Y(self)
}
fn fixed_x (self, x: E::Unit) -> Fixed<E::Unit, Self> {
Fixed::X(x, self)
}
fn fixed_y (self, y: E::Unit) -> Fixed<E::Unit, Self> {
Fixed::Y(y, self)
}
fn fixed_xy (self, x: E::Unit, y: E::Unit) -> Fixed<E::Unit, Self> {
Fixed::XY(x, y, self)
}
fn min_x (self, x: E::Unit) -> Min<E::Unit, Self> {
Min::X(x, self)
}
fn min_y (self, y: E::Unit) -> Min<E::Unit, Self> {
Min::Y(y, self)
}
fn min_xy (self, x: E::Unit, y: E::Unit) -> Min<E::Unit, Self> {
Min::XY(x, y, self)
}
fn max_x (self, x: E::Unit) -> Max<E::Unit, Self> {
Max::X(x, self)
}
fn max_y (self, y: E::Unit) -> Max<E::Unit, Self> {
Max::Y(y, self)
}
fn max_xy (self, x: E::Unit, y: E::Unit) -> Max<E::Unit, Self> {
Max::XY(x, y, self)
}
fn push_x (self, x: E::Unit) -> Push<E::Unit, Self> {
Push::X(x, self)
}
fn push_y (self, y: E::Unit) -> Push<E::Unit, Self> {
Push::Y(y, self)
}
fn push_xy (self, x: E::Unit, y: E::Unit) -> Push<E::Unit, Self> {
Push::XY(x, y, self)
}
fn pull_x (self, x: E::Unit) -> Pull<E::Unit, Self> {
Pull::X(x, self)
}
fn pull_y (self, y: E::Unit) -> Pull<E::Unit, Self> {
Pull::Y(y, self)
}
fn pull_xy (self, x: E::Unit, y: E::Unit) -> Pull<E::Unit, Self> {
Pull::XY(x, y, self)
}
fn grow_x (self, x: E::Unit) -> Grow<E::Unit, Self> {
Grow::X(x, self)
}
fn grow_y (self, y: E::Unit) -> Grow<E::Unit, Self> {
Grow::Y(y, self)
}
fn grow_xy (self, x: E::Unit, y: E::Unit) -> Grow<E::Unit, Self> {
Grow::XY(x, y, self)
}
fn shrink_x (self, x: E::Unit) -> Shrink<E::Unit, Self> {
Shrink::X(x, self)
}
fn shrink_y (self, y: E::Unit) -> Shrink<E::Unit, Self> {
Shrink::Y(y, self)
}
fn shrink_xy (self, x: E::Unit, y: E::Unit) -> Shrink<E::Unit, Self> {
Shrink::XY(x, y, self)
}
fn inset_x (self, x: E::Unit) -> Inset<E::Unit, Self> {
Inset::X(x, self)
}
fn inset_y (self, y: E::Unit) -> Inset<E::Unit, Self> {
Inset::Y(y, self)
}
fn inset_xy (self, x: E::Unit, y: E::Unit) -> Inset<E::Unit, Self> {
Inset::XY(x, y, self)
}
fn outset_x (self, x: E::Unit) -> Outset<E::Unit, Self> {
Outset::X(x, self)
}
fn outset_y (self, y: E::Unit) -> Outset<E::Unit, Self> {
Outset::Y(y, self)
}
fn outset_xy (self, x: E::Unit, y: E::Unit) -> Outset<E::Unit, Self> {
Outset::XY(x, y, self)
}
fn fill_x (self) -> Fill<E, Self> {
Fill::X(self)
}
fn fill_y (self) -> Fill<E, Self> {
Fill::Y(self)
}
fn fill_xy (self) -> Fill<E, Self> {
Fill::XY(self)
}
fn debug (self) -> DebugOverlay<E, Self> {
DebugOverlay(self)
}
}
impl<
E: Engine,
F: Send + Sync + Fn(&mut dyn FnMut(&dyn Widget<Engine = E>)->Usually<()>)->Usually<()>
> Split<E, F> {
#[inline]
pub fn new (direction: Direction, build: F) -> Self {
Self(build, direction, Default::default())
impl<E: Engine, W: Widget<Engine = E>> Layout<E> for W {}
pub struct DebugOverlay<E: Engine, W: Widget<Engine = E>>(pub W);
pub struct ModalHost<E: Engine, M: Widget<Engine = E>, W: Widget<Engine = E>>(
pub bool, pub M, pub W
);
pub enum Fill<E: Engine, W: Widget<Engine = E>> {
X(W),
Y(W),
XY(W)
}
impl<E: Engine, W: Widget<Engine = E>> Fill<E, W> {
fn inner (&self) -> &W {
match self {
Self::X(inner) => &inner,
Self::Y(inner) => &inner,
Self::XY(inner) => &inner,
}
}
#[inline]
pub fn right (build: F) -> Self {
Self::new(Direction::Right, build)
}
impl<E: Engine, W: Widget<Engine = E>> Widget for Fill<E, W> {
type Engine = E;
fn layout (&self, to: E::Size) -> Perhaps<E::Size> {
let area = self.inner().layout(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()],
}.into()))
} else {
Ok(None)
}
}
#[inline]
pub fn down (build: F) -> Self {
Self::new(Direction::Down, build)
fn render (&self, to: &mut E::Output) -> Usually<()> {
self.inner().render(to)
}
}
@ -172,17 +297,6 @@ where
}
}
//pub fn collect <'a, E: Engine, const N: usize> (
//items: &'a [&'a dyn Widget<Engine = E>;N]
//) -> impl Send + Sync + Fn(&'a mut dyn FnMut(&'a dyn Widget<Engine = E>)->Usually<()>)->Usually<()> + '_ {
//|add: &'a mut dyn FnMut(&'a dyn Widget<Engine = E>)->Usually<()>| {
//for item in items.iter() {
//add(item)?;
//}
//Ok(())
//}
//}
//`Layers<_, impl (Fn(&mut dyn FnMut(&dyn Widget<Engine = _>) -> Result<(), Box<...>>) -> ... ) + Send + Sync>`
//`Layers<Tui, impl (Fn(&mut dyn FnMut(&dyn Widget<Engine = Tui>) -> Result<(), Box<(dyn std::error::Error + 'static)>>) -> Result<(), Box<(dyn std::error::Error + 'static)>>) + Send + Sync + '_>`
@ -446,7 +560,7 @@ impl<E: Engine, T: Widget<Engine = E>> Widget for Shrink<E::Unit, T> {
],
Self::Y(h, _) => [
to.w(),
if to.h() > h { to.h() - h } else { 0.into() }
if to.h() > h { to.h() - h } else { 0.into() }
],
Self::XY(w, h, _) => [
if to.w() > w { to.w() - w } else { 0.into() },
@ -605,6 +719,26 @@ impl<E: Engine, T: Widget<Engine = E>> Widget for Pull<E::Unit, T> {
}
}
pub struct Split<
E: Engine,
F: Send + Sync + Fn(&mut dyn FnMut(&dyn Widget<Engine = E>)->Usually<()>)->Usually<()>
>(pub F, pub Direction, PhantomData<E>);
impl<
E: Engine,
F: Send + Sync + Fn(&mut dyn FnMut(&dyn Widget<Engine = E>)->Usually<()>)->Usually<()>
> Split<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(Direction::Right, build)
}
#[inline] pub fn down (build: F) -> Self {
Self::new(Direction::Down, build)
}
}
impl<E: Engine, F> Widget for Split<E, F>
where
F: Send + Sync + Fn(&mut dyn FnMut(&dyn Widget<Engine = E>)->Usually<()>)->Usually<()>
@ -693,3 +827,13 @@ where
Ok(())
}
}
#[macro_export] macro_rules! lay {
($($expr:expr),* $(,)?) => { Layers::new(move|add|{ $(add(&$expr)?;)* Ok(()) }) }
}
#[macro_export] macro_rules! col {
($($expr:expr),* $(,)?) => { Split::down(move|add|{ $(add(&$expr)?;)* Ok(()) }) }
}
#[macro_export] macro_rules! row {
($($expr:expr),* $(,)?) => { Split::right(move|add|{ $(add(&$expr)?;)* Ok(()) }) }
}

View file

@ -144,6 +144,83 @@ impl Input<Tui> for TuiInput {
self.exited.store(true, Ordering::Relaxed);
}
}
impl TuiInput {
pub fn handle_keymap <T> (&self, state: &mut T, keymap: &KeyMap<T>) -> Usually<bool> {
match self.event() {
TuiEvent::Input(crossterm::event::Event::Key(event)) => {
for (code, modifiers, _, _, command) in keymap.iter() {
if *code == event.code && modifiers.bits() == event.modifiers.bits() {
return command(state)
}
}
},
_ => {}
};
Ok(false)
}
}
pub type KeyHandler<T> = &'static dyn Fn(&mut T)->Usually<bool>;
pub type KeyBinding<T> = (KeyCode, KeyModifiers, &'static str, &'static str, KeyHandler<T>);
pub type KeyMap<T> = [KeyBinding<T>];
/// Define a keymap
#[macro_export] macro_rules! keymap {
($T:ty { $([$k:ident $(($char:literal))?, $m:ident, $n: literal, $d: literal, $f: expr]),* $(,)? }) => {
&[
$((KeyCode::$k $(($char))?, KeyModifiers::$m, $n, $d, &$f as KeyHandler<$T>)),*
] as &'static [KeyBinding<$T>]
}
}
/// Define a key in a keymap
#[macro_export] macro_rules! map_key {
($k:ident $(($char:literal))?, $m:ident, $n: literal, $d: literal, $f: expr) => {
(KeyCode::$k $(($char))?, KeyModifiers::$m, $n, $d, &$f as &dyn Fn()->Usually<bool>)
}
}
/// Shorthand for key match statement
#[macro_export] macro_rules! match_key {
($event:expr, {
$($key:pat=>$block:expr),* $(,)?
}) => {
match $event {
$(crossterm::event::Event::Key(crossterm::event::KeyEvent {
code: $key,
modifiers: crossterm::event::KeyModifiers::NONE,
kind: crossterm::event::KeyEventKind::Press,
state: crossterm::event::KeyEventState::NONE
}) => {
$block
})*
_ => Ok(None)
}
}
}
/// Define key pattern in key match statement
#[macro_export] macro_rules! key {
($code:pat) => {
TuiEvent::Input(crossterm::event::Event::Key(crossterm::event::KeyEvent {
code: $code,
modifiers: crossterm::event::KeyModifiers::NONE,
kind: crossterm::event::KeyEventKind::Press,
state: crossterm::event::KeyEventState::NONE
}))
};
(Ctrl-$code:pat) => {
TuiEvent::Input(crossterm::event::Event::Key(crossterm::event::KeyEvent {
code: $code,
modifiers: crossterm::event::KeyModifiers::CONTROL,
kind: crossterm::event::KeyEventKind::Press,
state: crossterm::event::KeyEventState::NONE
}))
};
(Alt-$code:pat) => {
TuiEvent::Input(crossterm::event::Event::Key(crossterm::event::KeyEvent {
code: $code,
modifiers: crossterm::event::KeyModifiers::ALT,
kind: crossterm::event::KeyEventKind::Press,
state: crossterm::event::KeyEventState::NONE
}))
}
}
pub struct TuiOutput {
pub buffer: Buffer,
pub area: [u16;4],
@ -291,8 +368,19 @@ impl Widget for &str {
}
}
pub struct Styled<T: Widget<Engine = Tui>>(pub Option<Style>, pub T);
impl<T: Widget<Engine = Tui>> Widget for DebugOverlay<Tui, T> {
type Engine = Tui;
fn layout (&self, to: [u16;2]) -> Perhaps<[u16;2]> {
self.0.layout(to)
}
fn render (&self, to: &mut TuiOutput) -> Usually<()> {
let [x, y, w, h] = to.area();
self.0.render(to)?;
Ok(to.blit(&format!("{w}x{h}+{x}+{y}"), x, y, Some(Style::default().green())))
}
}
pub struct Styled<T: Widget<Engine = Tui>>(pub Option<Style>, pub T);
impl Widget for Styled<&str> {
type Engine = Tui;
fn layout (&self, _: [u16;2]) -> Perhaps<[u16;2]> {
@ -306,8 +394,49 @@ impl Widget for Styled<&str> {
}
}
pub struct Background(pub Color);
#[macro_export] macro_rules! tui_style {
($NAME:ident = $fg:expr, $bg:expr, $ul:expr, $add:expr, $sub:expr) => {
pub const $NAME: Style = Style {
fg: $fg, bg: $bg, underline_color: $ul, add_modifier: $add, sub_modifier: $sub,
};
}
}
pub trait TuiStyle: Widget<Engine = Tui> + Sized {
fn foreground (self, color: Color) -> impl Widget<Engine = Tui> {
Layers::new(move |add|{ add(&Foreground(color))?; add(&self) })
}
fn background (self, color: Color) -> impl Widget<Engine = Tui> {
Layers::new(move |add|{ add(&Background(color))?; add(&self) })
}
}
impl<W: Widget<Engine = Tui>> TuiStyle for W {}
impl<M: Widget<Engine = Tui>, W: Widget<Engine = Tui>> Widget for ModalHost<Tui, M, W> {
type Engine = Tui;
fn layout (&self, to: [u16;2]) -> Perhaps<[u16;2]> {
Ok(Some(to))
}
fn render (&self, to: &mut TuiOutput) -> Usually<()> {
self.2.render(to)?;
if self.0 {
to.fill_bg(to.area(), COLOR_BG1);
to.fill_fg(to.area(), COLOR_BG2);
self.1.render(to)?;
}
Ok(())
}
}
pub struct Foreground(pub Color);
impl Widget for Foreground {
type Engine = Tui;
fn layout (&self, _: [u16;2]) -> Perhaps<[u16;2]> {
Ok(Some([0,0]))
}
fn render (&self, to: &mut TuiOutput) -> Usually<()> {
Ok(to.fill_fg(to.area(), self.0))
}
}
pub struct Background(pub Color);
impl Widget for Background {
type Engine = Tui;
fn layout (&self, _: [u16;2]) -> Perhaps<[u16;2]> {
@ -318,34 +447,7 @@ impl Widget for Background {
}
}
//impl<F> Widget for Layers<Tui, F>
//where
//F: Send + Sync + Fn(&mut dyn FnMut(&dyn Widget<Engine = Tui>)->Usually<()>)->Usually<()>
//{
//type Engine = Tui;
//fn layout (&self, area: [u16;2]) -> Perhaps<[u16;2]> {
//let mut w = 0;
//let mut h = 0;
//(self.0)(&mut |layer| {
//if let Some(layer_area) = layer.layout(area)? {
//w = w.max(layer_area.w());
//h = h.max(layer_area.h());
//}
//Ok(())
//})?;
//Ok(Some([w, h]))
//}
//fn render (&self, to: &mut TuiOutput) -> Usually<()> {
//if let Some(size) = self.layout(to.area().wh())? {
//(self.0)(&mut |layer|to.render_in(to.area().clip(size), &layer))
//} else {
//Ok(())
//}
//}
//}
pub struct Border<S: BorderStyle>(pub S);
impl<S: BorderStyle> Widget for Border<S> {
type Engine = Tui;
fn layout (&self, _: [u16;2]) -> Perhaps<[u16;2]> {
@ -380,42 +482,25 @@ pub trait BorderStyle: Send + Sync {
const S: &'static str = "";
const SW: &'static str = "";
const W: &'static str = "";
fn n (&self) -> &str {
Self::N
}
fn s (&self) -> &str {
Self::S
}
fn e (&self) -> &str {
Self::E
}
fn w (&self) -> &str {
Self::W
}
fn nw (&self) -> &str {
Self::NW
}
fn ne (&self) -> &str {
Self::NE
}
fn sw (&self) -> &str {
Self::SW
}
fn se (&self) -> &str {
Self::SE
}
#[inline]
fn draw <'a> (&self, to: &mut TuiOutput) -> Usually<()> {
fn n (&self) -> &str { Self::N }
fn s (&self) -> &str { Self::S }
fn e (&self) -> &str { Self::E }
fn w (&self) -> &str { Self::W }
fn nw (&self) -> &str { Self::NW }
fn ne (&self) -> &str { Self::NE }
fn sw (&self) -> &str { Self::SW }
fn se (&self) -> &str { Self::SE }
#[inline] fn draw <'a> (
&self, to: &mut TuiOutput
) -> Usually<()> {
self.draw_horizontal(to, None)?;
self.draw_vertical(to, None)?;
self.draw_corners(to, None)?;
Ok(())
}
#[inline]
fn draw_horizontal (&self, to: &mut TuiOutput, style: Option<Style>) -> Usually<[u16;4]> {
#[inline] fn draw_horizontal (
&self, to: &mut TuiOutput, style: Option<Style>
) -> Usually<[u16;4]> {
let area = to.area();
let style = style.or_else(||self.style_horizontal());
let [x, x2, y, y2] = area.lrtb();
@ -425,17 +510,19 @@ pub trait BorderStyle: Send + Sync {
}
Ok(area)
}
#[inline]
fn draw_north (&self, to: &mut TuiOutput, x: u16, y: u16, style: Option<Style>) -> () {
#[inline] fn draw_north (
&self, to: &mut TuiOutput, x: u16, y: u16, style: Option<Style>
) -> () {
to.blit(&Self::N, x, y, style)
}
#[inline]
fn draw_south (&self, to: &mut TuiOutput, x: u16, y: u16, style: Option<Style>) -> () {
#[inline] fn draw_south (
&self, to: &mut TuiOutput, x: u16, y: u16, style: Option<Style>
) -> () {
to.blit(&Self::S, x, y, style)
}
#[inline]
fn draw_vertical (&self, to: &mut TuiOutput, style: Option<Style>) -> Usually<[u16;4]> {
#[inline] fn draw_vertical (
&self, to: &mut TuiOutput, style: Option<Style>
) -> Usually<[u16;4]> {
let area = to.area();
let style = style.or_else(||self.style_vertical());
let [x, x2, y, y2] = area.lrtb();
@ -445,9 +532,9 @@ pub trait BorderStyle: Send + Sync {
}
Ok(area)
}
#[inline]
fn draw_corners (&self, to: &mut TuiOutput, style: Option<Style>) -> Usually<[u16;4]> {
#[inline] fn draw_corners (
&self, to: &mut TuiOutput, style: Option<Style>
) -> Usually<[u16;4]> {
let area = to.area();
let style = style.or_else(||self.style_corners());
let [x, y, width, height] = area.xywh();
@ -459,23 +546,10 @@ pub trait BorderStyle: Send + Sync {
}
Ok(area)
}
#[inline]
fn style (&self) -> Option<Style> {
None
}
#[inline]
fn style_horizontal (&self) -> Option<Style> {
self.style()
}
#[inline]
fn style_vertical (&self) -> Option<Style> {
self.style()
}
#[inline]
fn style_corners (&self) -> Option<Style> {
self.style()
}
#[inline] fn style (&self) -> Option<Style> { None }
#[inline] fn style_horizontal (&self) -> Option<Style> { self.style() }
#[inline] fn style_vertical (&self) -> Option<Style> { self.style() }
#[inline] fn style_corners (&self) -> Option<Style> { self.style() }
}
macro_rules! border {
@ -497,12 +571,8 @@ macro_rules! border {
pub struct $T(pub Style);
impl Widget for $T {
type Engine = Tui;
fn layout (&self, _: [u16;2]) -> Perhaps<[u16;2]> {
Ok(Some([0,0]))
}
fn render (&self, to: &mut TuiOutput) -> Usually<()> {
self.draw(to)
}
fn layout (&self, _: [u16;2]) -> Perhaps<[u16;2]> { Ok(Some([0,0])) }
fn render (&self, to: &mut TuiOutput) -> Usually<()> { self.draw(to) }
}
)+}
}
@ -576,91 +646,14 @@ border! {
}
}
pub const COLOR_BG0: Color = Color::Rgb(30, 33, 36);
pub const COLOR_BG1: Color = Color::Rgb(41, 46, 57);
pub const COLOR_BG2: Color = Color::Rgb(46, 52, 64);
pub const COLOR_BG3: Color = Color::Rgb(59, 66, 82);
pub const COLOR_BG4: Color = Color::Rgb(67, 76, 94);
pub const COLOR_BG5: Color = Color::Rgb(76, 86, 106);
pub trait Theme {
const BG0: Color;
const BG1: Color;
const BG2: Color;
const BG3: Color;
const BG4: Color;
const RED: Color;
const YELLOW: Color;
const GREEN: Color;
const PLAYING: Color;
const SEPARATOR: Color;
fn bg_hier (focused: bool, entered: bool) -> Color {
if focused && entered {
Self::BG3
} else if focused {
Self::BG2
} else {
Self::BG1
}
}
fn bg_hi (focused: bool, entered: bool) -> Color {
if focused && entered {
Self::BG2
} else if focused {
Self::BG1
} else {
Self::BG0
}
}
fn bg_lo (focused: bool, entered: bool) -> Color {
if focused && entered {
Self::BG1
} else if focused {
Self::BG0
} else {
Color::Reset
}
}
fn style_hi (focused: bool, highlight: bool) -> Style {
if highlight && focused {
Style::default().yellow().not_dim()
} else if highlight {
Style::default().yellow().dim()
} else {
Style::default()
}
}
}
pub struct Nord;
impl Theme for Nord {
const BG0: Color = Color::Rgb(41, 46, 57);
const BG1: Color = Color::Rgb(46, 52, 64);
const BG2: Color = Color::Rgb(59, 66, 82);
const BG3: Color = Color::Rgb(67, 76, 94);
const BG4: Color = Color::Rgb(76, 86, 106);
const RED: Color = Color::Rgb(191, 97, 106);
const YELLOW: Color = Color::Rgb(235, 203, 139);
const GREEN: Color = Color::Rgb(163, 190, 140);
const PLAYING: Color = Color::Rgb(60, 100, 50);
const SEPARATOR: Color = Color::Rgb(0, 0, 0);
}
#[macro_export] macro_rules! tui_style {
($NAME:ident = $fg:expr, $bg:expr, $ul:expr, $add:expr, $sub:expr) => {
pub const $NAME: Style = Style {
fg: $fg,
bg: $bg,
underline_color: $ul,
add_modifier: $add,
sub_modifier: $sub,
};
}
}
pub const COLOR_BG0: Color = Color::Rgb(30, 33, 36);
pub const COLOR_BG1: Color = Color::Rgb(41, 46, 57);
pub const COLOR_BG2: Color = Color::Rgb(46, 52, 64);
pub const COLOR_BG3: Color = Color::Rgb(59, 66, 82);
pub const COLOR_BG4: Color = Color::Rgb(67, 76, 94);
pub const COLOR_BG5: Color = Color::Rgb(76, 86, 106);
pub const COLOR_RED: Color = Color::Rgb(191, 97, 106);
pub const COLOR_YELLOW: Color = Color::Rgb(235, 203, 139);
pub const COLOR_GREEN: Color = Color::Rgb(163, 190, 140);
pub const COLOR_PLAYING: Color = Color::Rgb(60, 100, 50);
pub const COLOR_SEPARATOR: Color = Color::Rgb(0, 0, 0);