tabula rasa

tui/examples/tui.rs

@@ -0,0 +1,66 @@
+use tek_tui::{*, tek_input::*, tek_output::*};
+use tek_edn::*;
+use std::sync::{Arc, RwLock};
+use crossterm::event::{*, KeyCode::*};
+use crate::ratatui::style::Color;
+fn main () -> Usually<()> {
+    let state = Arc::new(RwLock::new(Example(10, Measure::new())));
+    Tui::new().unwrap().run(&state)?;
+    Ok(())
+}
+#[derive(Debug)] pub struct Example(usize, Measure<TuiOut>);
+const KEYMAP: &str = "(:left prev) (:right next)";
+handle!(TuiIn: |self: Example, input|{
+    let keymap  = SourceIter::new(KEYMAP);
+    let command = keymap.command::<_, ExampleCommand, _>(self, input);
+    if let Some(command) = command {
+        command.execute(self)?;
+        return Ok(Some(true))
+    }
+    return Ok(None)
+});
+enum ExampleCommand { Next, Previous }
+atom_command!(ExampleCommand: |app: Example| {
+    (":prev" [] Some(Self::Previous))
+    (":next" [] Some(Self::Next))
+});
+command!(|self: ExampleCommand, state: Example|match self {
+    Self::Next =>
+        { state.0 = (state.0 + 1) % EXAMPLES.len(); None },
+    Self::Previous =>
+        { state.0 = if state.0 > 0 { state.0 - 1 } else { EXAMPLES.len() - 1 }; None },
+});
+const EXAMPLES: &'static [&'static str] = &[
+    include_str!("edn01.edn"),
+    include_str!("edn02.edn"),
+    include_str!("edn03.edn"),
+    include_str!("edn04.edn"),
+    include_str!("edn05.edn"),
+    include_str!("edn06.edn"),
+    include_str!("edn07.edn"),
+    include_str!("edn08.edn"),
+    include_str!("edn09.edn"),
+    include_str!("edn10.edn"),
+    include_str!("edn11.edn"),
+    include_str!("edn12.edn"),
+    include_str!("edn13.edn"),
+];
+view!(TuiOut: |self: Example|{
+    let index   = self.0 + 1;
+    let wh      = self.1.wh();
+    let src     = EXAMPLES[self.0];
+    let heading = format!("Example {}/{} in {:?}", index, EXAMPLES.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, SourceIter::new(src)));
+    self.1.of(Bsp::s(title, Bsp::n(""/*code*/, content)))
+}; {
+    ":title" => Tui::bg(Color::Rgb(60,  10, 10), Push::y(1, Align::n(format!("Example {}/{}:", self.0 + 1, EXAMPLES.len())))).boxed(),
+    ":code"  => Tui::bg(Color::Rgb(10,  60, 10), Push::y(2, Align::n(format!("{}", EXAMPLES[self.0])))).boxed(),
+    ":hello" => Tui::bg(Color::Rgb(10, 100, 10), "Hello").boxed(),
+    ":world" => Tui::bg(Color::Rgb(100, 10, 10), "world").boxed(),
+    ":hello-world" => "Hello world!".boxed()
+});
+provide_bool!(bool: |self: Example| {});
+provide_num!(u16:   |self: Example| {});
+provide_num!(usize: |self: Example| {});