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dsl, output, tui: add tests, examples, root dispatchers

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🪞👃🪞 2025-09-08 18:44:42 +03:00
parent 8dfe20a58c
commit ca862b9802
16 changed files with 637 additions and 377 deletions
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124
tui/examples/tui_00.rs Normal file
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use tengri::{self, Usually, Perhaps, input::*, output::*, tui::*, dsl::*};
use std::sync::{Arc, RwLock};
use crate::ratatui::style::Color;
//use crossterm::event::{*, KeyCode::*};
fn main () -> Usually<()> {
let state = Example::new();
Tui::new().unwrap().run(&state)?;
Ok(())
}
#[derive(Debug)] struct Example(usize, Measure<TuiOut>);
handle!(TuiIn: |self: Example, input|Ok(None));
enum ExampleCommand { Next, Prev }
impl ExampleCommand {
fn eval (&self, state: &mut Example) -> Perhaps<Self> {
match self {
Self::Next => {
state.0 = (state.0 + 1) % Example::VIEWS.len();
Ok(Some(Self::Prev))
},
Self::Prev => {
state.0 = if state.0 > 0 { state.0 - 1 } else { Example::VIEWS.len() - 1 };
Ok(Some(Self::Next))
}
}
}
}
tui_draw!(|self: Example, to|{
to.place(&self.content());
});
content!(TuiOut: |self: Example|{
let index = self.0 + 1;
let wh = self.1.wh();
let src = Self::VIEWS.get(self.0).unwrap_or(&"");
let heading = format!("Example {}/{} in {:?}", index, Self::VIEWS.len(), &wh);
let title = Tui::bg(Color::Rgb(60, 10, 10), Push::y(1, Align::n(heading)));
let code = Tui::bg(Color::Rgb(10, 60, 10), Push::y(2, Align::n(format!("{}", src))));
let content = ();//Tui::bg(Color::Rgb(10, 10, 60), View(self, CstIter::new(src)));
self.1.of(Bsp::s(title, Bsp::n(""/*code*/, content)))
});
impl View<TuiOut, ()> for Example {
fn view_expr <'a> (&'a self, to: &mut TuiOut, expr: &'a impl DslExpr) -> Usually<()> {
if evaluate_output_expression(self, to, expr)?
|| evaluate_output_expression_tui(self, to, expr)? {
Ok(())
} else {
Err(format!("Example::view_expr: unexpected: {expr:?}").into())
}
}
}
impl Example {
fn new () -> Arc<RwLock<Self>> {
Arc::new(RwLock::new(Example(10, Measure::new())))
}
const BINDS: &'static str = stringify! {
(@left prev)
(@right next)
};
const VIEWS: &'static [&'static str] = &[
stringify! { :hello-world },
stringify! { (fill/xy :hello-world) },
stringify! { (bsp/s :hello :world) },
stringify! { (fixed/xy 20 10 :hello-world) },
stringify! { (bsp/s (fixed/xy 5 6 :hello) (fixed/xy 7 8 :world)) },
stringify! { (bsp/e (fixed/xy 5 6 :hello) (fixed/xy 7 8 :world)) },
stringify! { (bsp/n (fixed/xy 5 6 :hello) (fixed/xy 7 8 :world)) },
stringify! { (bsp/w (fixed/xy 5 6 :hello) (fixed/xy 7 8 :world)) },
stringify! { (bsp/a (fixed/xy 5 6 :hello) (fixed/xy 7 8 :world)) },
stringify! { (bsp/b (fixed/xy 5 6 :hello) (fixed/xy 7 8 :world)) },
stringify! {
(bsp/s
(bsp/e (align/nw (fixed/xy 5 3 :hello))
(bsp/e (align/n (fixed/xy 5 3 :hello))
(align/ne (fixed/xy 5 3 :hello))))
(bsp/s
(bsp/e (align/w (fixed/xy 5 3 :hello))
(bsp/e (align/c (fixed/xy 5 3 :hello))
(align/e (fixed/xy 5 3 :hello))))
(bsp/e (align/sw (fixed/xy 5 3 :hello))
(bsp/e (align/s (fixed/xy 5 3 :hello))
(align/se (fixed/xy 5 3 :hello))))))
},
stringify! {
(bsp/s
(bsp/e (fixed/xy 8 5 (align/nw :hello))
(bsp/e (fixed/xy 8 5 (align/n :hello))
(fixed/xy 8 5 (align/ne :hello))))
(bsp/s
(bsp/e (fixed/xy 8 5 (align/w :hello))
(bsp/e (fixed/xy 8 5 (align/c :hello))
(fixed/xy 8 5 (align/e :hello))))
(bsp/e (fixed/xy 8 5 (align/sw :hello))
(bsp/e (fixed/xy 8 5 (align/s :hello))
(fixed/xy 8 5 (align/se :hello))))))
},
stringify! {
(bsp/s
(bsp/e (grow/xy 1 1 (fixed/xy 8 5 (align/nw :hello)))
(bsp/e (grow/xy 1 1 (fixed/xy 8 5 (align/n :hello)))
(grow/xy 1 1 (fixed/xy 8 5 (align/ne :hello)))))
(bsp/s
(bsp/e (grow/xy 1 1 (fixed/xy 8 5 (align/w :hello)))
(bsp/e (grow/xy 1 1 (fixed/xy 8 5 (align/c :hello)))
(grow/xy 1 1 (fixed/xy 8 5 (align/e :hello)))))
(bsp/e (grow/xy 1 1 (fixed/xy 8 5 (align/sw :hello)))
(bsp/e (grow/xy 1 1 (fixed/xy 8 5 (align/s :hello)))
(grow/xy 1 1 (fixed/xy 8 5 (align/se :hello)))))))
},
stringify! { :map-e },
stringify! { (align/c :map-e) },
stringify! { :map-s },
stringify! { (align/c :map-s) },
stringify! {
(align/c (bg/behind :bg0 (margin/xy 1 1 (col
(bg/behind :bg1 (border/around :border1 (margin/xy 2 1 :label1)))
(bg/behind :bg2 (border/around :border2 (margin/xy 4 2 :label2)))
(bg/behind :bg3 (border/around :border3 (margin/xy 6 3 :label3)))))))
},
];
}