From e3b12a1d3638b7a7fa351ccd78cbfe751ef69675 Mon Sep 17 00:00:00 2001
From: unspeaker <hora.nqma@protonmail.com>
Date: Thu, 8 May 2025 22:06:40 +0300
Subject: [PATCH] add old tengri demo

---
 .old/demo.rs.old | 112 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 .old/demo.rs.old

diff --git a/.old/demo.rs.old b/.old/demo.rs.old
new file mode 100644
index 00000000..6b205580
--- /dev/null
+++ b/.old/demo.rs.old
@@ -0,0 +1,112 @@
+use tek::*;
+
+fn main () -> Usually<()> {
+    Tui::run(Arc::new(RwLock::new(Demo::new())))?;
+    Ok(())
+}
+
+pub struct Demo<E: Engine> {
+    index: usize,
+    items: Vec<Box<dyn Render<Engine = E>>>
+}
+
+impl Demo<Tui> {
+    fn new () -> Self {
+        Self {
+            index: 0,
+            items: vec![]
+        }
+    }
+}
+
+impl Content for Demo<Tui> {
+    type Engine = Tui;
+    fn content (&self) -> dyn Render<Engine = Tui> {
+        let border_style = Style::default().fg(Color::Rgb(0,0,0));
+        Align::Center(Layers::new(move|add|{
+
+            add(&Background(Color::Rgb(0,128,128)))?;
+
+            add(&Margin::XY(1, 1, Stack::down(|add|{
+
+                add(&Layers::new(|add|{
+                    add(&Background(Color::Rgb(128,96,0)))?;
+                    add(&Border(Square(border_style)))?;
+                    add(&Margin::XY(2, 1, "..."))?;
+                    Ok(())
+                }).debug())?;
+
+                add(&Layers::new(|add|{
+                    add(&Background(Color::Rgb(128,64,0)))?;
+                    add(&Border(Lozenge(border_style)))?;
+                    add(&Margin::XY(4, 2, "---"))?;
+                    Ok(())
+                }).debug())?;
+
+                add(&Layers::new(|add|{
+                    add(&Background(Color::Rgb(96,64,0)))?;
+                    add(&Border(SquareBold(border_style)))?;
+                    add(&Margin::XY(6, 3, "~~~"))?;
+                    Ok(())
+                }).debug())?;
+
+                Ok(())
+            })).debug())?;
+
+            Ok(())
+
+        }))
+        //Align::Center(Margin::X(1, Layers::new(|add|{
+            //add(&Background(Color::Rgb(128,0,0)))?;
+            //add(&Stack::down(|add|{
+                //add(&Margin::Y(1, Layers::new(|add|{
+                    //add(&Background(Color::Rgb(0,128,0)))?;
+                    //add(&Align::Center("12345"))?;
+                    //add(&Align::Center("FOO"))
+                //})))?;
+                //add(&Margin::XY(1, 1, Layers::new(|add|{
+                    //add(&Align::Center("1234567"))?;
+                    //add(&Align::Center("BAR"))?;
+                    //add(&Background(Color::Rgb(0,0,128)))
+                //})))
+            //}))
+        //})))
+
+        //Align::Y(Layers::new(|add|{
+            //add(&Background(Color::Rgb(128,0,0)))?;
+            //add(&Margin::X(1, Align::Center(Stack::down(|add|{
+                //add(&Align::X(Margin::Y(1, Layers::new(|add|{
+                    //add(&Background(Color::Rgb(0,128,0)))?;
+                    //add(&Align::Center("12345"))?;
+                    //add(&Align::Center("FOO"))
+                //})))?;
+                //add(&Margin::XY(1, 1, Layers::new(|add|{
+                    //add(&Align::Center("1234567"))?;
+                    //add(&Align::Center("BAR"))?;
+                    //add(&Background(Color::Rgb(0,0,128)))
+                //})))?;
+                //Ok(())
+            //})))))
+        //}))
+    }
+}
+
+impl Handle<TuiIn> for Demo<Tui> {
+    fn handle (&mut self, from: &TuiIn) -> Perhaps<bool> {
+        use KeyCode::{PageUp, PageDown};
+        match from.event() {
+            kexp!(PageUp) => {
+                self.index = (self.index + 1) % self.items.len();
+            },
+            kexp!(PageDown) => {
+                self.index = if self.index > 1 {
+                    self.index - 1
+                } else {
+                    self.items.len() - 1
+                };
+            },
+            _ => return Ok(None)
+        }
+        Ok(Some(true))
+    }
+}