wip: configuring keybinds with edn... oh my

tui/src/lib.rs

@@ -21,6 +21,8 @@ mod tui_field;  pub use self::tui_field::*;
 mod tui_buffer; pub use self::tui_buffer::*;
 mod tui_file;   pub use self::tui_file::*;
 
+mod tui_edn_keymap; pub use self::tui_edn_keymap::*;
+
 pub(crate) use std::sync::{Arc, RwLock, atomic::{AtomicUsize, AtomicBool, Ordering::*}};
 pub(crate) use std::io::{stdout, Stdout};
 pub(crate) use std::error::Error;

tui/src/tui_edn_keymap.rs

@@ -0,0 +1,26 @@
+use crate::*;
+use std::marker::PhantomData;
+
+pub trait EdnControlData<E: Input> {}
+
+/// Renders from EDN source and context.
+#[derive(Default)]
+pub enum EdnControls<E: Input, T: EdnControlData<E>> {
+    #[default]
+    Inert,
+    _Unused(PhantomData<E>),
+    Ok(T, EdnItem<String>),
+    Err(String)
+}
+
+impl<E: Input, T: EdnControlData<E>> EdnControls<E, T> {
+    pub fn from_source (state: T, source: &str) -> Self {
+        match EdnItem::read_one(&source) {
+            Ok((layout, _)) => Self::Ok(state, layout),
+            Err(error) => Self::Err(format!("{error}"))
+        }
+    }
+    pub fn from_items (state: T, items: &[EdnItem<&str>]) -> Self {
+        Self::Ok(state, EdnItem::Exp(items.iter().map(|i|(*i).clone()).collect()))
+    }
+}

tui/src/tui_output.rs

@@ -68,15 +68,3 @@ impl TuiOut {
         self
     }
 }
-
-pub fn buffer_update (buf: &mut Buffer, area: [u16;4], callback: &impl Fn(&mut Cell, u16, u16)) {
-    for row in 0..area.h() {
-        let y = area.y() + row;
-        for col in 0..area.w() {
-            let x = area.x() + col;
-            if x < buf.area.width && y < buf.area.height {
-                callback(buf.get_mut(x, y), col, row);
-            }
-        }
-    }
-}