wip: move to layered handlers

crates/app/src/keys.rs

@@ -6,16 +6,6 @@ handle!(TuiIn: |self: Tek, input|if let Some(handler) = self.handler {
     Ok(None)
 });
 
-fn layer (app: &mut Tek, input: &TuiIn, keymap: &str) -> Usually<bool> {
-    if let Some(command) = SourceIter(keymap).command::<_, TekCommand, _>(app, input) {
-        if let Some(undo) = command.execute(app)? {
-            app.history.push(undo);
-        }
-        return Ok(true)
-    }
-    return Ok(false)
-}
-
 pub fn handle_arranger (app: &mut Tek, input: &TuiIn) -> Perhaps<bool> {
     Ok((app.is_editing() && app.editor.handle(input)? == Some(true)           ||
         layer(app, input, include_str!("../../../config/keys_global.edn"))?   ||
@@ -43,34 +33,12 @@ pub fn handle_sampler (app: &mut Tek, input: &TuiIn) -> Perhaps<bool> {
         layer(app, input, include_str!("../../../config/keys_sampler.edn"))?).then_some(true))
 }
 
-// TODO:
-//#[derive(Default)]
-//struct Handler<T, U> {
-    //layers: Vec<(Box<dyn Fn(&T)->bool>, &'static str)>,
-    //__: std::marker::PhantomData<U>
-//}
-
-//impl<T, U: AtomInput> Handler<T, U> {
-    //fn layer (mut self, condition: impl Fn(&T)->bool + 'static, keymap: &'static str) -> Self {
-        //self.layers.push((Box::new(condition), keymap));
-        //self
-    //}
-    //fn layer_if (mut self, keymap: &'static str) -> Self {
-        //self.layers.push((Box::new(|_|true), keymap));
-        //self
-    //}
-    //fn handle <'a, C: Command<T> + TryFromAtom<'a, T>> (&self, state: &mut T, input: &U) -> Perhaps<bool> {
-        //for layer in self.layers.iter() {
-            //if !(layer.0)(state) {
-                //continue
-            //}
-            //if let Some(command) = SourceIter(layer.1).command::<_, C, _>(state, input) {
-                //if let Some(undo) = command.execute(state)? {
-                    ////app.history.push(undo);
-                //}
-                //return Ok(Some(true))
-            //}
-        //}
-        //Ok(None)
-    //}
-//}
+fn layer (app: &mut Tek, input: &TuiIn, keymap: &str) -> Usually<bool> {
+    if let Some(command) = SourceIter(keymap).command::<_, TekCommand, _>(app, input) {
+        if let Some(undo) = command.execute(app)? {
+            app.history.push(undo);
+        }
+        return Ok(true)
+    }
+    return Ok(false)
+}

crates/midi/src/clip/clip_editor.rs

@@ -5,7 +5,7 @@ use crate::*;
 pub struct MidiEditor {
     pub mode: PianoHorizontal,
     pub size: Measure<TuiOut>,
-    pub keys: SourceIter<'static>
+    pub keys: InputMap<'static, Self, MidiEditCommand, TuiIn>
 }
 
 impl std::fmt::Debug for MidiEditor {
@@ -21,7 +21,8 @@ impl Default for MidiEditor {
         Self {
             mode: PianoHorizontal::new(None),
             size: Measure::new(),
-            keys: SourceIter(include_str!("../../../../config/keys_edit.edn")),
+            keys: InputMap::new()
+                .layer(SourceIter(include_str!("../../../../config/keys_edit.edn"))),
         }
     }
 }
@@ -206,7 +207,7 @@ atom_command!(MidiEditCommand: |state: MidiEditor| {
 }
 
 handle!(TuiIn: |self: MidiEditor, input|{
-    Ok(if let Some(command) = self.keys.command::<_, MidiEditCommand, _>(self, input) {
+    Ok(if let Some(command) = self.keys.command(self, input) {
         let _undo = command.execute(self)?;
         Some(true)
     } else {

crates/midi/src/pool/pool_api.rs

@@ -1,12 +1,13 @@
 use crate::*;
 
 handle!(TuiIn: |self: MidiPool, input|{
-    Ok(if let Some(command) = match self.mode() {
-        Some(PoolMode::Rename(..)) => self.keys_rename,
-        Some(PoolMode::Length(..)) => self.keys_length,
-        Some(PoolMode::Import(..)) | Some(PoolMode::Export(..)) => self.keys_file,
-        _ => self.keys
-    }.command::<Self, PoolCommand, TuiIn>(self, input) {
+    //Ok(if let Some(command) = match self.mode() {
+        //Some(PoolMode::Rename(..)) => self.keys_rename,
+        //Some(PoolMode::Length(..)) => self.keys_length,
+        //Some(PoolMode::Import(..)) | Some(PoolMode::Export(..)) => self.keys_file,
+        //_ => self.keys
+    //}.command::<Self, PoolCommand, TuiIn>(self, input) {
+    Ok(if let Some(command) = self.keys.command(self, input) {
         let _undo = command.execute(self)?;
         Some(true)
     } else {

crates/midi/src/pool/pool_model.rs

@@ -1,6 +1,6 @@
 use crate::*;
 
-#[derive(Debug)]
+//#[derive(Debug)]
 pub struct MidiPool {
     pub visible: bool,
     /// Collection of clips
@@ -10,23 +10,30 @@ pub struct MidiPool {
     /// Mode switch
     pub mode: Option<PoolMode>,
 
-    pub keys:        SourceIter<'static>,
-    pub keys_rename: SourceIter<'static>,
-    pub keys_length: SourceIter<'static>,
-    pub keys_file:   SourceIter<'static>,
+    pub keys: InputMap<'static, Self, PoolCommand, TuiIn>,
+    //pub keys:        SourceIter<'static>,
+    //pub keys_rename: SourceIter<'static>,
+    //pub keys_length: SourceIter<'static>,
+    //pub keys_file:   SourceIter<'static>,
 }
 
 impl Default for MidiPool {
     fn default () -> Self {
+        use PoolMode::*;
         Self {
             visible: true,
-            clips:   Arc::from(RwLock::from(vec![])),
-            clip:    0.into(),
-            mode:    None,
-            keys:        SourceIter(include_str!("../../../../config/keys_pool.edn")),
-            keys_file:   SourceIter(include_str!("../../../../config/keys_pool_file.edn")),
-            keys_rename: SourceIter(include_str!("../../../../config/keys_clip_rename.edn")),
-            keys_length: SourceIter(include_str!("../../../../config/keys_clip_length.edn")),
+            clips: Arc::from(RwLock::from(vec![])),
+            clip: 0.into(),
+            mode: None,
+            keys: InputMap::new()
+                .layer(
+                    SourceIter(include_str!("../../../../config/keys_edit.edn")))
+                .layer_if(|pool: &Self|matches!(pool.mode, Some(Import(..))|Some(Export(..))),
+                    SourceIter(include_str!("../../../../config/keys_pool_file.edn")))
+                .layer_if(|pool: &Self|matches!(pool.mode, Some(Rename(..))),
+                    SourceIter(include_str!("../../../../config/keys_clip_rename.edn")))
+                .layer_if(|pool: &Self|matches!(pool.mode, Some(Length(..))),
+                    SourceIter(include_str!("../../../../config/keys_clip_length.edn")))
         }
     }
 }