allow adding scenes

Cargo.toml

@@ -11,7 +11,8 @@ name = "tek"
 path = "src/tek.rs"
 
 [target.'cfg(target_os = "linux")']
-rustflags = ["-C", "link-arg=-fuse-ld=mold"]
+linker = "clang"
+rustflags = ["-Clink-arg=-fuse-ld=mold", "-Clink-arg=-Wl,--no-rosegment"]
 
 [dependencies]
 tek_proc = { path = "./proc" }

Justfile

@@ -1,7 +1,11 @@
 #export RUSTFLAGS := "--cfg procmacro2_semver_exempt -Zmacro-backtrace -Clink-arg=-fuse-ld=mold"
 export RUST_BACKTRACE := "1"
 
-default +ARGS="new":
+[default]
+list:
+  just -l
+
+now +ARGS="new":
   cargo run -- {{ARGS}}
 
 doc +ARGS="":
@@ -44,7 +48,7 @@ run-init:
   rm -rf ~/.config/tek && {{debug}}
 
 prof:
-  CARGO_PROFILE_RELEASE_DEBUG=true cargo flamegraph --
+  CARGO_PROFILE_RELEASE_DEBUG=true cargo flamegraph -- new
 
 release := "reset && cargo run --release --"
 release:

proc/src/lib.rs

@@ -167,69 +167,18 @@ attribute!(commands {
             let mut keywords = quote! {};
             let mut expressions = quote! {};
             for (ident, (variant, inputs, keyword)) in items.iter() {
-                let mut typed = quote! {};
-                let mut params = quote! {};
-                let mut has_args = false;
-                for arg in inputs.iter() {
-                    if let FnArg::Typed(PatType { pat, ty, .. }) = arg {
-                        has_args = true;
-                        append(&mut typed,  quote! { #pat: #ty, });
-                        append(&mut params, quote! { #pat, });
-                    }
-                }
-                append(&mut variants, if has_args {
-                    quote! { #variant { #typed }, }
-                } else {
-                    quote! { #variant, }
-                });
-                append(&mut dispatch, if has_args {
-                    quote! { #command::#variant { #params } => state.#ident(#params), }
-                } else {
-                    quote! { #command::#variant => state.#ident(), }
-                });
-                let keyword = if let Some(namespace) = namespace {
-                    format!("{}/{}", namespace.value(), keyword.value())
-                } else {
-                    keyword.value()
-                };
-                if has_args {
-                    append(&mut expressions, quote! {
-                        #keyword (#typed) => { #command::#variant { #params } },
-                    });
-                } else {
-                    append(&mut keywords, quote! {
-                        #keyword => #command::#variant,
-                    });
-                }
+                write_variant(
+                    &mut expressions, &mut keywords, &mut variants, &mut dispatch,
+                    ident, command, variant, inputs, namespace, keyword,
+                )
             }
             let impls = match item {
-                Item::Impl(ItemImpl { generics, .. }) => {
-                    let lts = Punctuated::<_, Comma>::from_iter(generics.lifetimes());
-                    let tys = Punctuated::<_, Comma>::from_iter(generics.type_params());
-                    let cns = Punctuated::<_, Comma>::from_iter(generics.const_params());
-                    quote! {
-                        impl<'n, #tys> dizzle::Namespace<'n, #command> for #state {
-                            symbols!('n |state: Self| -> #command { #keywords });
-                            expressions!('n |state: Self| -> #command { #expressions });
-                        }
-                        impl #generics #command {
-                            pub fn act (self, state: &mut #state) -> Perhaps<Self> {
-                                match self { #dispatch _ => unreachable!() }
-                            }
-                        }
-                    }
-                },
-                Item::Trait { .. } => quote! {
-                    impl<'n, T: #state + 'n> dizzle::Namespaced<'n, T> for #command {
-                        symbols!('n |state: T| -> Self { #keywords });
-                        expressions!('n |state: T| -> Self { #expressions });
-                    }
-                    impl #command {
-                        pub fn act <'n, T: #state + 'n> (self, state: &mut T) -> Perhaps<Self> {
-                            match self { #dispatch _ => unreachable!() }
-                        }
-                    }
-                },
+                Item::Impl(ItemImpl { generics, .. }) => write_for_struct(
+                    keywords, expressions, dispatch, state, command, generics,
+                ),
+                Item::Trait { .. } => write_for_trait(
+                    keywords, expressions, dispatch, state, command,
+                ),
                 _ => panic!("trait or inherent impl needed for #[commands]")
             };
             append(out, quote! {
@@ -240,6 +189,145 @@ attribute!(commands {
             })
         }
     }
+
+    fn write_variant (
+        exps:      &mut TokenStream2,
+        syms:      &mut TokenStream2,
+        vars:      &mut TokenStream2,
+        disp:      &mut TokenStream2,
+        ident:     &Ident,
+        command:   &Path,
+        variant:   &Ident,
+        inputs:    &[FnArg],
+        namespace: &Option<LitStr>,
+        keyword:   &LitStr,
+    ) {
+        let keyword = if let Some(namespace) = namespace {
+            format!("{}/{}", namespace.value(), keyword.value())
+        } else {
+            keyword.value()
+        };
+        let mut typed = quote! {};
+        let mut params = quote! {};
+        let mut obtain = quote! {};
+        let mut has_args = false;
+        for arg in inputs.iter() {
+            if let FnArg::Typed(PatType { pat, ty, .. }) = arg {
+                has_args = true;
+                append(&mut typed,  quote! { #pat: #ty, });
+                append(&mut params, quote! { #pat, });
+                append(&mut obtain, quote! { let #pat: #ty = {
+                    let head = tail.head()?.unwrap_or_default();
+                    let tail = tail.tail()?.unwrap_or_default();
+                    match dizzle::Namespace::<#ty>::namespace(state, &head)? {
+                        Some(arg) => arg,
+                        None => return Err(format!("{}: arg \"{}\" ({}) got: {head} {tail}",
+                            #keyword, stringify!(#pat), stringify!(#ty),
+                        ).into())
+                    }
+                };});
+            }
+        }
+        if has_args {
+            append(vars, quote! { #variant { #typed }, });
+            append(disp, quote! { #command::#variant { #params } => state.#ident(#params), });
+            append(exps, quote! {
+                let tail_base = tail;
+                if head.src()? == Some(#keyword) {
+                    let tail = tail_base;
+                    #obtain
+                    return Ok(Some(#command::#variant { #params }))
+                }
+            });
+        } else {
+            append(vars, quote! { #variant, });
+            append(disp, quote! { #command::#variant => state.#ident(), });
+            append(syms, quote! {
+                if word == #keyword { return Ok(Some(#command::#variant)); }
+            });
+        }
+    }
+
+    fn write_for_struct (
+        syms:     TokenStream2,
+        exps:     TokenStream2,
+        disp:     TokenStream2,
+        state:    &Path,
+        command:  &Path,
+        generics: &syn::Generics,
+    ) -> TokenStream2 {
+        //let lts = Punctuated::<_, Comma>::from_iter(generics.lifetimes());
+        //let cns = Punctuated::<_, Comma>::from_iter(generics.const_params());
+        let tys = Punctuated::<_, Comma>::from_iter(generics.type_params());
+        quote! {
+            impl<#tys> dizzle::Namespace<#command> for #state {
+                //def_namespace_symbols!('n |state: Self| -> #command {
+                    //#syms
+                //});
+                //def_namespace_exps!('n |state: Self| -> #command {
+                    //#exps
+                //});
+                fn namespace_symbol (&self, word: impl Symbol) -> Perhaps<#command> {
+                    if let Some(word) = word.word()? {
+                        #syms
+                    }
+                    Ok(None)
+                }
+                fn namespace_expression (&self, expr: impl Expression) -> Perhaps<#command> {
+                    let state = self;
+                    if let Some(expr) = expr.expr()? {
+                        let head = expr.head()?;
+                        let tail = expr.tail()?;
+                        #exps
+                    }
+                    Ok(None)
+                }
+            }
+            impl #generics dizzle::Dispatch<#state> for #command {
+                fn dispatch (self, state: &mut #state) -> Perhaps<Self> {
+                    match self {
+                        #disp
+                        _ => unreachable!()
+                    }
+                }
+            }
+        }
+    }
+
+    fn write_for_trait (
+        syms: TokenStream2,
+        exps: TokenStream2,
+        disp: TokenStream2,
+        state:   &Path,
+        command: &Path,
+    ) -> TokenStream2 {
+        quote! {
+            impl<T: #state> dizzle::Namespaced<T> for #command {
+                fn namespaced_symbol <L: Symbol> (state: &T, word: L) -> Perhaps<#command> {
+                    if let Some(word) = word.word()? {
+                        #syms
+                    }
+                    Ok(None)
+                }
+                fn namespaced_expression <L: Expression> (state: &T, expr: L) -> Perhaps<#command> {
+                    if let Some(expr) = expr.expr()? {
+                        let head = expr.head()?;
+                        let tail = expr.tail()?;
+                        #exps
+                    }
+                    Ok(None)
+                }
+            }
+            impl<T: #state> dizzle::Dispatch<T> for #command {
+                fn dispatch (self, state: &mut T) -> Perhaps<Self> {
+                    match self {
+                        #disp
+                        _ => unreachable!()
+                    }
+                }
+            }
+        }
+    }
 });
 
 attribute!(command {
@@ -265,7 +353,7 @@ attribute!(command {
             let mut variants_filtered = item.variants.clone();
             variants_filtered.clear();
             for variant in item.variants.iter_mut() {
-                let Variant { attrs, ident, fields, discriminant } = variant;
+                let Variant { attrs, ident, fields, discriminant: _ } = variant;
                 let mut attrs_filtered = attrs.clone();
                 attrs_filtered.clear();
                 for attr in attrs.iter() {
@@ -308,7 +396,7 @@ attribute!(command {
                     panic!()
                 };
                 match fields {
-                    Fields::Named(fields)   => todo!("named command fields"),
+                    Fields::Named(_fields)   => todo!("named command fields"),
                     Fields::Unnamed(fields) => {
                         let mut params = quote! {};
                         let mut values = quote! {};
@@ -367,9 +455,11 @@ attribute!(keyword {
     impl Parse for CustomAttributeItem {
         fn parse (input: ParseStream) -> Result<Self> {
             let mut item: ItemEnum = input.parse()?;
-            for Variant { attrs, ident, fields, discriminant } in item.variants.iter_mut() {
+            for Variant {
+                attrs, ident: _, fields: _, discriminant: _
+            } in item.variants.iter_mut() {
                 attrs.retain(|attr|if let syn::Meta::List(MetaList {
-                    ref path, ref tokens, ..
+                    ref path, tokens: ref _tokens, ..
                 }) = attr.meta && path == &Path::from(Ident::new(
                     "keyword", Span::call_site()
                 )) {
@@ -386,15 +476,15 @@ attribute!(keyword {
         fn to_tokens (&self, out: &mut TokenStream2) {
             let Self(
                 CustomAttributeMeta(state),
-                CustomAttributeItem(item, variants)
+                CustomAttributeItem(item, _variants)
             ) = self;
             let ident = &item.ident;
             let body = quote! {};
             append(out, quote! {
                 #item
 
-                impl<'n> Namespace<'n, #ident> for #state {
-                    symbols!('n |_state: #state| -> #ident { #body, });
+                impl Namespace<#ident> for #state {
+                    def_namespace_symbols!(|_state: #state| -> #ident { #body, });
                 }
             })
         }

shell.nix

@@ -9,6 +9,7 @@
     pkgs.grcov
     pkgs.libclang
     pkgs.mold
+    pkgs.perf
     pkgs.pkg-config
     pkgs.watchexec
   ];

src/deps.rs

@@ -0,0 +1,39 @@
+pub extern crate atomic_float;
+pub extern crate xdg;
+pub extern crate tengri;
+#[cfg(feature = "cli")]
+pub(crate) use ::clap::{self, Parser, Subcommand};
+#[allow(unused)]
+pub(crate) use ::{
+    std::{
+        cmp::Ord,
+        collections::BTreeMap,
+        error::Error,
+        ffi::OsString,
+        fmt::{Write, Debug, Formatter},
+        fs::File,
+        ops::{Add, Sub, Mul, Div, Rem},
+        path::{Path, PathBuf},
+        sync::{Arc, RwLock, atomic::{AtomicBool, AtomicUsize, AtomicU64, Ordering::Relaxed}},
+        time::Duration,
+        thread::{spawn, JoinHandle},
+    },
+    xdg::{
+        BaseDirectories,
+    },
+    tengri::{
+        *,
+        dizzle::*,
+        midly::{
+            Smf, TrackEventKind, MidiMessage, Error as MidiError,
+            num::*,
+            live::*,
+        },
+        crossterm::event::{Event, KeyEvent},
+        ratatui::{
+            self,
+            prelude::{Rect, Style, Stylize, Buffer, Color::{self, *}},
+            widgets::{Widget, canvas::{Canvas, Line}},
+        },
+    },
+};

src/device/arrange/scene.rs

@@ -1,4 +1,3 @@
-use crate::*;
 use super::*;
 
 /// A scene consists of a set of clips to play together.
@@ -73,32 +72,32 @@ pub trait HasScene: AsRefOpt<Scene> + AsMutOpt<Scene> {
 }
 
 impl<T: HasScene
-    + for<'a> Namespace<'a, usize>
-    + for<'a> Namespace<'a, Arc<str>>
-    + for<'a> Namespace<'a, ItemTheme>
+    + Namespace<usize>
+    + Namespace<Arc<str>>
+    + Namespace<ItemTheme>
 > SceneController for T {}
 
 #[tek_proc::commands(SceneCommand)]
 pub trait SceneController: HasScene
-    + for<'a> Namespace<'a, usize>
-    + for<'a> Namespace<'a, Arc<str>>
-    + for<'a> Namespace<'a, ItemTheme>
+    + Namespace<usize>
+    + Namespace<Arc<str>>
+    + Namespace<ItemTheme>
 {
-    #[command(SetSize = "scene/size")]
-    fn scene_set_size (&mut self, size: usize) -> Perhaps<SceneCommand>
-        where Self: for<'a> Namespace<'a, usize>
+    #[command(SetSize = "size")]
+    fn scene_set_size (&mut self, _size: usize) -> Perhaps<SceneCommand>
+        where Self: Namespace<usize>
     {
         todo!()
     }
-    #[command(SetZoom = "scene/zoom")]
-    fn scene_set_zoom (&mut self, size: usize) -> Perhaps<SceneCommand>
-        where Self: for<'a> Namespace<'a, usize>
+    #[command(SetZoom = "zoom")]
+    fn scene_set_zoom (&mut self, _size: usize) -> Perhaps<SceneCommand>
+        where Self: Namespace<usize>
     {
         todo!()
     }
-    #[command(SetName = "scene/name")]
+    #[command(SetName = "name")]
     fn scene_set_name (&mut self, name: Arc<str>) -> Perhaps<SceneCommand>
-        where Self: for<'a> Namespace<'a, Arc<str>>
+        where Self: Namespace<Arc<str>>
     {
         Ok(self.scene_mut().map(|scene|swap_value(
             &mut scene.name,
@@ -106,9 +105,9 @@ pub trait SceneController: HasScene
             |name|SceneCommand::SetName { name }
         )).transpose()?.flatten())
     }
-    #[command(SetColor = "scene/color")]
+    #[command(SetColor = "color")]
     fn scene_set_color (&mut self, color: ItemTheme) -> Perhaps<SceneCommand>
-        where Self: for<'a> Namespace<'a, ItemTheme>
+        where Self: Namespace<ItemTheme>
     {
         Ok(self.scene_mut().map(|scene|swap_value(
             &mut scene.color,
@@ -172,17 +171,30 @@ pub trait HasScenes: AsRef<Vec<Scene>> + AsMut<Vec<Scene>> {
 }
 
 impl<T: HasScenes
-    + for<'a> Namespace<'a, usize>
-    + for<'a> Namespace<'a, Option<ItemTheme>>
-    + for<'a> Namespace<'a, Option<Arc<str>>>
+    + HasTracks
+    + HasTrackScroll
+    + HasJack<'static>
+    + Namespace<usize>
+    + Namespace<Option<ItemTheme>>
+    + Namespace<Option<Arc<str>>>
 > ScenesController for T {}
 
 #[tek_proc::commands(ScenesCommand)]
 pub trait ScenesController: HasScenes
-    + for<'a> Namespace<'a, usize>
-    + for<'a> Namespace<'a, Option<ItemTheme>>
-    + for<'a> Namespace<'a, Option<Arc<str>>>
+    + HasTracks
+    + HasTrackScroll
+    + HasJack<'static>
+    + Namespace<usize>
+    + Namespace<Option<ItemTheme>>
+    + Namespace<Option<Arc<str>>>
 {
+    #[command(Add = "add")]
+    fn scenes_add (&mut self) -> Perhaps<ScenesCommand>
+        where Self: HasScenes + HasJack<'static>
+    {
+        let (_index, _) = self.scenes_add_one(None, None)?;
+        Ok(None)
+    }
     // TODO
 }
 
@@ -263,13 +275,13 @@ impl HasSceneScroll for App {
     }
 }
 
-    pub fn view_scene_name (
+pub fn view_scene_name (
     select:  &Selection,
     editor:  Option<&MidiEditor>,
     index:   usize,
     scene:   &Scene,
     editing: bool
-    ) -> impl Draw<Tui> {
+) -> impl Draw<Tui> {
     let h = if select.scene() == Some(index) && let Some(_editor) = editor {
         7
     } else {
@@ -286,4 +298,4 @@ impl HasSceneScroll for App {
         scene.color.base.term
     };
     bg(c, south(a, b).align_nw()).exact_wh(20, h)
-    }
+}

src/device/arrange/track.rs

@@ -85,18 +85,18 @@ pub trait HasTrack: AsRefOpt<Track> + AsMutOpt<Track> {
 }
 
 impl<T: HasTrack
-    + for<'a> Namespace<'a, usize>
-    + for<'a> Namespace<'a, Arc<str>>
-    + for<'a> Namespace<'a, ItemTheme>
-    + for<'a> Namespace<'a, Option<bool>>
+    + Namespace<usize>
+    + Namespace<Arc<str>>
+    + Namespace<ItemTheme>
+    + Namespace<Option<bool>>
 > TrackController for T {}
 
 #[tek_proc::commands(TrackCommand)]
 pub trait TrackController: HasTrack
-    + for<'a> Namespace<'a, usize>
-    + for<'a> Namespace<'a, Arc<str>>
-    + for<'a> Namespace<'a, ItemTheme>
-    + for<'a> Namespace<'a, Option<bool>>
+    + Namespace<usize>
+    + Namespace<Arc<str>>
+    + Namespace<ItemTheme>
+    + Namespace<Option<bool>>
 {
     #[command(Stop = "track/stop")]
     fn track_stop (&mut self) -> Perhaps<TrackCommand> {
@@ -104,19 +104,19 @@ pub trait TrackController: HasTrack
         Ok(None)
     }
     #[command(SetMute = "track/mute")]
-    fn track_set_mute (&mut self, mute: Option<bool>) -> Perhaps<TrackCommand> {
+    fn track_set_mute (&mut self, _mute: Option<bool>) -> Perhaps<TrackCommand> {
         todo!()
     }
     #[command(SetSolo = "track/solo")]
-    fn track_set_solo (&mut self, solo: Option<bool>) -> Perhaps<TrackCommand> {
+    fn track_set_solo (&mut self, _solo: Option<bool>) -> Perhaps<TrackCommand> {
         todo!()
     }
     #[command(SetSize = "track/size")]
-    fn track_set_size (&mut self, size: usize) -> Perhaps<TrackCommand> {
+    fn track_set_size (&mut self, _size: usize) -> Perhaps<TrackCommand> {
         todo!()
     }
     #[command(SetZoom = "track/zoom")]
-    fn track_set_zoom (&mut self, zoom: usize) -> Perhaps<TrackCommand> {
+    fn track_set_zoom (&mut self, _zoom: usize) -> Perhaps<TrackCommand> {
         todo!()
     }
     #[command(SetName = "track/name")]
@@ -259,27 +259,31 @@ pub trait HasTracks: AsRef<Vec<Track>> + AsMut<Vec<Track>> + HasClock + HasTrack
 }
 
 impl<T: HasTracks
-    + for<'a> Namespace<'a, usize>
-    + for<'a> Namespace<'a, Arc<[Connect]>>
-    + for<'a> Namespace<'a, Option<usize>>
-    + for<'a> Namespace<'a, Option<Arc<str>>>
-    + for<'a> Namespace<'a, Option<ItemTheme>>
-    + for<'a> Namespace<'a, Option<Arc<[Connect]>>>
-    + for<'a> Namespace<'a, Option<Vec<Option<Arc<RwLock<MidiClip>>>>>>
+    + HasScenes
+    + HasJack<'static>
+    + Namespace<usize>
+    + Namespace<Arc<[Connect]>>
+    + Namespace<Option<usize>>
+    + Namespace<Option<Arc<str>>>
+    + Namespace<Option<ItemTheme>>
+    + Namespace<Option<Arc<[Connect]>>>
+    + Namespace<Option<Vec<Option<Arc<RwLock<MidiClip>>>>>>
 > TracksController for T {}
 
 #[tek_proc::commands(TracksCommand)]
 pub trait TracksController: HasTracks
-    + for<'a> Namespace<'a, usize>
-    + for<'a> Namespace<'a, Arc<[Connect]>>
-    + for<'a> Namespace<'a, Option<usize>>
-    + for<'a> Namespace<'a, Option<Arc<str>>>
-    + for<'a> Namespace<'a, Option<ItemTheme>>
-    + for<'a> Namespace<'a, Option<Arc<[Connect]>>>
-    + for<'a> Namespace<'a, Option<Vec<Option<Arc<RwLock<MidiClip>>>>>>
+    + HasScenes
+    + HasJack<'static>
+    + Namespace<usize>
+    + Namespace<Arc<[Connect]>>
+    + Namespace<Option<usize>>
+    + Namespace<Option<Arc<str>>>
+    + Namespace<Option<ItemTheme>>
+    + Namespace<Option<Arc<[Connect]>>>
+    + Namespace<Option<Vec<Option<Arc<RwLock<MidiClip>>>>>>
 {
 
-    #[command(Stop = "tracks/stop")]
+    #[command(Stop = "stop")]
     /// Stop all playing clips
     fn tracks_stop_all (&mut self) -> Perhaps<TracksCommand> {
         for track in self.tracks_mut().iter_mut() {
@@ -288,7 +292,7 @@ pub trait TracksController: HasTracks
         Ok(None)
     }
 
-    #[command(Launch = "tracks/launch")]
+    #[command(Launch = "launch")]
     /// Launch multiple clips
     fn tracks_launch (
         &mut self, clips: Option<Vec<Option<Arc<RwLock<MidiClip>>>>>
@@ -304,6 +308,14 @@ pub trait TracksController: HasTracks
         }
         Ok(None)
     }
+
+    #[command(Add = "add")]
+    fn tracks_add (&mut self) -> Perhaps<TracksCommand>
+        where Self: HasScenes + HasJack<'static>
+    {
+        let (_index, _) = self.tracks_add_one(None, None, [].into(), [].into())?;
+        Ok(None)
+    }
 }
 
 impl<

src/device/browse.rs

@@ -11,11 +11,17 @@ impl App {
     }
 }
 
+impl<T:
+    Namespace<usize> +
+    Namespace<PathBuf> +
+    Namespace<Arc<str>>
+> BrowseController for T {}
+
 #[tek_proc::commands(BrowseCommand = "browse")]
 pub trait BrowseController:
-    for<'a> Namespace<'a, usize> +
-    for<'a> Namespace<'a, PathBuf> +
-    for<'a> Namespace<'a, Arc<str>>
+    Namespace<usize> +
+    Namespace<PathBuf> +
+    Namespace<Arc<str>>
 {
     /// Toggle visibility of browser
     #[command(Show = "show")]
@@ -54,13 +60,13 @@ pub trait BrowseController:
     pub size:   Sizer,
 }
 
-pub(crate) struct EntriesIterator<'a, S: Screen> {
-    pub browser: &'a Browse,
-    pub offset:  usize,
-    pub length:  usize,
-    pub index:   usize,
-    _screen: std::marker::PhantomData<S>
-}
+//pub(crate) struct EntriesIterator<'a, S: Screen> {
+    //pub browser: &'a Browse,
+    //pub offset:  usize,
+    //pub length:  usize,
+    //pub index:   usize,
+    //_screen: std::marker::PhantomData<S>
+//}
 
 #[derive(Clone, Debug)] pub enum BrowseTarget {
     SaveProject,
@@ -112,40 +118,37 @@ impl Browse {
             unreachable!()
         })
     }
-    fn _todo_stub_path_buf (&self) -> PathBuf { todo!() }
-    fn _todo_stub_usize (&self) -> usize { todo!() }
-    fn _todo_stub_arc_str (&self) -> Arc<str> { todo!() }
-    fn tui (&self) -> impl Draw<Tui> {
-        iter_south_fixed(1, ||self.tui_entries(), |entry, _index|entry.origin_w().full_w())
-    }
-    fn tui_entries (&self) -> EntriesIterator<'_, Tui> {
-        EntriesIterator {
-            offset:  0,
-            index:   0,
-            length:  self.dirs.len() + self.files.len(),
-            browser: self,
-            _screen: Default::default(),
-        }
-    }
+    //fn tui (&self) -> impl Draw<Tui> {
+        //iter_south_fixed(1, ||self.tui_entries(), |entry, _index|entry.origin_w().full_w())
+    //}
+    //fn tui_entries (&self) -> EntriesIterator<'_, Tui> {
+        //EntriesIterator {
+            //offset:  0,
+            //index:   0,
+            //length:  self.dirs.len() + self.files.len(),
+            //browser: self,
+            //_screen: Default::default(),
+        //}
+    //}
 }
 
-impl<'a> Iterator for EntriesIterator<'a, Tui> {
-    type Item = impl Draw<Tui>;
-    fn next (&mut self) -> Option<Self::Item> {
-        let dirs  = self.browser.dirs.len();
-        let files = self.browser.files.len();
-        let index = self.index;
-        if self.index < dirs {
-            self.index += 1;
-            Some(bold(true, self.browser.dirs[index].1.as_str()))
-        } else if self.index < dirs + files {
-            self.index += 1;
-            Some(bold(false, self.browser.files[index - dirs].1.as_str()))
-        } else {
-            None
-        }
-    }
-}
+//impl<'a> Iterator for EntriesIterator<'a, Tui> {
+    //type Item = impl Draw<Tui>;
+    //fn next (&mut self) -> Option<Self::Item> {
+        //let dirs  = self.browser.dirs.len();
+        //let files = self.browser.files.len();
+        //let index = self.index;
+        //if self.index < dirs {
+            //self.index += 1;
+            //Some(bold(true, self.browser.dirs[index].1.as_str()))
+        //} else if self.index < dirs + files {
+            //self.index += 1;
+            //Some(bold(false, self.browser.files[index - dirs].1.as_str()))
+        //} else {
+            //None
+        //}
+    //}
+//}
 
 impl PartialEq for BrowseTarget {
     fn eq (&self, other: &Self) -> bool {

src/device/clock.rs

@@ -66,16 +66,16 @@ pub trait HasClock: AsRef<Clock> + AsMut<Clock> {
 }
 
 impl<T: HasClock
-    + for<'a> Namespace<'a, u32>
-    + for<'a> Namespace<'a, f64>
-    + for<'a> Namespace<'a, Option<u32>>
+    + Namespace<u32>
+    + Namespace<f64>
+    + Namespace<Option<u32>>
 > ClockController for T {}
 
 #[tek_proc::commands(ClockCommand = "clock")]
 pub trait ClockController: HasClock
-    + for<'a> Namespace<'a, u32>
-    + for<'a> Namespace<'a, f64>
-    + for<'a> Namespace<'a, Option<u32>>
+    + Namespace<u32>
+    + Namespace<f64>
+    + Namespace<Option<u32>>
 {
     #[command(SeekUsec = "usec")]
     fn seek_usec (&mut self, usec: f64) -> Perhaps<ClockCommand> {
@@ -416,18 +416,6 @@ impl Clock {
     }
 }
 
-impl Clock {
-    fn _todo_provide_u32 (&self) -> u32 {
-        todo!()
-    }
-    fn _todo_provide_opt_u32 (&self) -> Option<u32> {
-        todo!()
-    }
-    fn _todo_provide_f64 (&self) -> f64 {
-        todo!()
-    }
-}
-
 impl_has!(Clock: |self: Track|self.sequencer.clock);
 impl_default!(Timebase: Self::new(48000f64, 150f64, DEFAULT_PPQ));
 
@@ -468,3 +456,58 @@ impl_time_unit!(Ppq);
 impl_time_unit!(Pulse);
 impl_time_unit!(Bpm);
 impl_time_unit!(LaunchSync);
+
+/// ```
+/// let x = "";
+/// let _ = tek::view_transport(true,  x.as_ref(), x.as_ref(), x.as_ref());
+/// let _ = tek::view_transport(false, x.as_ref(), x.as_ref(), x.as_ref());
+/// ```
+pub fn view_transport (play: bool, bpm: &str, beat: &str, time: &str) -> impl Draw<Tui> {
+    let theme = ItemTheme::G[96];
+    bg(Black, east!(above(
+        button_play_pause(play, false).align_w(),
+        east!(
+            field_h(theme, "BPM",  bpm),
+            field_h(theme, "Beat", beat),
+            field_h(theme, "Time", time),
+        ).align_e().full_wh()
+    )))
+}
+
+/// ```
+/// let x = "";
+/// let _ = tek::view_status(None, x.as_ref(), x.as_ref(), x.as_ref());
+/// let _ = tek::view_status(Some("".into()), x.as_ref(), x.as_ref(), x.as_ref());
+/// ```
+pub fn view_status (sel: Option<&str>, sr: &str, buf: &str, lat: &str) -> impl Draw<Tui> {
+    let theme = ItemTheme::G[96];
+    let sr    = field_h(theme, "SR",  sr);
+    let buf   = field_h(theme, "Buf", buf);
+    let lat   = field_h(theme, "Lat", lat);
+    bg(Black, east!(above(
+        sel.map(|sel|field_h(theme, "Selected", sel)).align_w().full_wh(),
+        east!(sr, buf, lat).align_e().full_wh(),
+    )))
+}
+
+/// ```
+/// let _ = tek::button_play_pause(true, true);
+/// let _ = tek::button_play_pause(true, false);
+/// let _ = tek::button_play_pause(false, true);
+/// let _ = tek::button_play_pause(false, false);
+/// ```
+pub fn button_play_pause (playing: bool, compact: bool) -> impl Draw<Tui> {
+    bg(if playing { Rgb(0, 128, 0) } else { Rgb(128, 64, 0) },
+        either(compact,
+            draw(move|to: &mut Tui|either(playing,
+                fg(Rgb(0, 255, 0),   " PLAYING "),
+                fg(Rgb(255, 128, 0), " STOPPED "),
+            ).exact_w(9).draw(to)),
+            draw(move|to: &mut Tui|either(playing,
+                fg(Rgb(0, 255, 0),   south(" 🭍🭑🬽 ", " 🭞🭜🭘 ",)),
+                fg(Rgb(255, 128, 0), south(" ▗▄▖ ", " ▝▀▘ ",)),
+            ).exact_w(5).draw(to)),
+        )
+    )
+}
+

src/device/editor.rs

@@ -67,22 +67,22 @@ pub trait HasEditor: AsRefOpt<MidiEditor> + AsMutOpt<MidiEditor> {
 impl<T: AsRefOpt<MidiEditor>+AsMutOpt<MidiEditor>> HasEditor for T {}
 
 impl<T: HasEditor
-    + for<'a> Namespace<'a, u32>
-    + for<'a> Namespace<'a, f64>
-    + for<'a> Namespace<'a, bool>
-    + for<'a> Namespace<'a, usize>
-    + for<'a> Namespace<'a, Option<u32>>
-    + for<'a> Namespace<'a, Option<Arc<RwLock<MidiClip>>>>
+    + Namespace<u32>
+    + Namespace<f64>
+    + Namespace<bool>
+    + Namespace<usize>
+    + Namespace<Option<u32>>
+    + Namespace<Option<Arc<RwLock<MidiClip>>>>
 > MidiEditController for T {}
 
 #[tek_proc::commands(MidiEditCommand = "edit")]
 pub trait MidiEditController: HasEditor
-    + for<'a> Namespace<'a, u32>
-    + for<'a> Namespace<'a, f64>
-    + for<'a> Namespace<'a, bool>
-    + for<'a> Namespace<'a, usize>
-    + for<'a> Namespace<'a, Option<u32>>
-    + for<'a> Namespace<'a, Option<Arc<RwLock<MidiClip>>>>
+    + Namespace<u32>
+    + Namespace<f64>
+    + Namespace<bool>
+    + Namespace<usize>
+    + Namespace<Option<u32>>
+    + Namespace<Option<Arc<RwLock<MidiClip>>>>
 {
     #[command(Show = "show")]
     fn show (&mut self, clip: Option<Arc<RwLock<MidiClip>>>) -> Perhaps<MidiEditCommand> {
@@ -236,7 +236,6 @@ impl MidiEditor {
             self.mode.redraw();
         }
     }
-    fn _todo_opt_clip_stub (&self) -> Option<Arc<RwLock<MidiClip>>> { todo!() }
     fn clip_length (&self) -> usize { self.clip().as_ref().map(|p|p.read().unwrap().length).unwrap_or(1) }
     fn note_length (&self) -> usize { self.get_note_len() }
     fn note_pos (&self) -> usize { self.get_note_pos() }

src/device/pool.rs

@@ -70,28 +70,24 @@ pub trait HasPool: AsRef<Pool> + AsMut<Pool> {
 }
 
 impl<T: HasPool
-    + for<'a> Namespace<'a, bool>
-    + for<'a> Namespace<'a, usize>
-    + for<'a> Namespace<'a, Arc<str>>
-    + for<'a> Namespace<'a, PathBuf>
-    + for<'a> Namespace<'a, MidiClip>
-    + for<'a> Namespace<'a, ItemColor>
-    + for<'a> Namespace<'a, PoolCommand>
-    + for<'a> Namespace<'a, PoolCommand>
-    + for<'a> Namespace<'a, BrowseCommand>
+    + Namespace<bool>
+    + Namespace<usize>
+    + Namespace<Arc<str>>
+    + Namespace<PathBuf>
+    + Namespace<MidiClip>
+    + Namespace<ItemColor>
+    + Namespace<BrowseCommand>
 > PoolController for T {}
 
 #[tek_proc::commands(PoolCommand = "pool")]
 pub trait PoolController: HasPool
-    + for<'a> Namespace<'a, bool>
-    + for<'a> Namespace<'a, usize>
-    + for<'a> Namespace<'a, Arc<str>>
-    + for<'a> Namespace<'a, PathBuf>
-    + for<'a> Namespace<'a, MidiClip>
-    + for<'a> Namespace<'a, ItemColor>
-    + for<'a> Namespace<'a, PoolCommand>
-    + for<'a> Namespace<'a, PoolCommand>
-    + for<'a> Namespace<'a, BrowseCommand>
+    + Namespace<bool>
+    + Namespace<usize>
+    + Namespace<Arc<str>>
+    + Namespace<PathBuf>
+    + Namespace<MidiClip>
+    + Namespace<ItemColor>
+    + Namespace<BrowseCommand>
 {
 
     #[command(Show = "show")]
@@ -139,7 +135,7 @@ pub trait PoolController: HasPool
         for event in events.iter() {
             clip.notes[event.0 as usize].push(event.2);
         }
-        Ok(PoolCommand::Add { index, clip }.act(self)?)
+        Ok(PoolCommand::Add { index, clip }.dispatch(self)?)
     }
 
     ///// Export to file
@@ -226,7 +222,7 @@ pub trait PoolController: HasPool
     }
 
     #[command(CropSet = "crop/set")]
-    fn crop_set (&mut self, length: usize) -> Perhaps<PoolCommand> {
+    fn crop_set (&mut self, _length: usize) -> Perhaps<PoolCommand> {
         if let Some(PoolMode::Length(clip, ref mut length, ref mut _focus))
             = self.pool_mut().mode_mut().clone()
         {
@@ -237,7 +233,7 @@ pub trait PoolController: HasPool
                 clip.write().unwrap().length = *length;
             }
             *self.pool_mut().mode_mut() = None;
-            return Ok(old_length.map(|length|PoolCommand::CropSet { length }))
+            return Ok(old_length.map(|l|PoolCommand::CropSet { _length: l }))
         }
         Ok(None)
     }
@@ -433,12 +429,6 @@ impl ClipLength {
 }
 
 impl Pool {
-    fn _todo_usize_ (&self) -> usize     { todo!() }
-    fn _todo_bool_  (&self) -> bool      { todo!() }
-    fn _todo_clip_  (&self) -> MidiClip  { todo!() }
-    fn _todo_path_  (&self) -> PathBuf   { todo!() }
-    fn _todo_color_ (&self) -> ItemColor { todo!() }
-    fn _todo_str_   (&self) -> Arc<str>  { todo!() }
     fn _clip_new (&self) -> MidiClip { self.new_clip() }
     fn _clip_cloned (&self) -> MidiClip { self.cloned_clip() }
     fn _clip_index_current (&self) -> usize { 0 }
@@ -449,44 +439,44 @@ impl Pool {
 }
 
 impl<'a> PoolView<'a> {
-    fn tui (&self) -> impl Draw<Tui> {
-        let Self(pool) = self;
-        //let color  = self.1.clip().map(|c|c.read().unwrap().color).unwrap_or_else(||g(32).into());
-        //let on_bg  = |x|x;//below(Repeat(" "), bg(color.darkest.term, x));
-        //let border = |x|x;//Outer(Style::default().fg(color.dark.term).bg(color.darkest.term)).enclose(x);
-        //let height = pool.clips.read().unwrap().len() as u16;
-        iter(
-            ||pool.clips().clone().into_iter(),
-            move|clip: Arc<RwLock<MidiClip>>, i: usize|{
-                let MidiClip { ref name, color, length, .. } = *clip.read().unwrap();
-                let item_height = 1;
-                let _item_offset = i as u16 * item_height;
-                let selected    = i == pool.clip_index();
-                let b           = if selected { color.light.term } else { color.base.term };
-                let f           = color.lightest.term;
-                let name        = if false { format!(" {i:>3}") } else { format!(" {i:>3} {name}") };
-                let length      = if false { String::default()  } else { format!("{length}  ") };
-                bg(b, below!(
-                    fg(f, bold(selected, name)).origin_w().full_w(),
-                    fg(f, bold(selected, length)).origin_e().full_w(),
-                    when(selected, bold(true, fg(g(255), "▶"))).origin_w().full_w(),
-                    when(selected, bold(true, fg(g(255), "◀"))).origin_e().full_w(),
-                )).exact_h(1)
-            }).origin_n().full_h().exact_w(20)
-    }
+    //fn tui (&self) -> impl Draw<Tui> {
+        //let Self(pool) = self;
+        ////let color  = self.1.clip().map(|c|c.read().unwrap().color).unwrap_or_else(||g(32).into());
+        ////let on_bg  = |x|x;//below(Repeat(" "), bg(color.darkest.term, x));
+        ////let border = |x|x;//Outer(Style::default().fg(color.dark.term).bg(color.darkest.term)).enclose(x);
+        ////let height = pool.clips.read().unwrap().len() as u16;
+        //iter(
+            //||pool.clips().clone().into_iter(),
+            //move|clip: Arc<RwLock<MidiClip>>, i: usize|{
+                //let MidiClip { ref name, color, length, .. } = *clip.read().unwrap();
+                //let item_height = 1;
+                //let _item_offset = i as u16 * item_height;
+                //let selected    = i == pool.clip_index();
+                //let b           = if selected { color.light.term } else { color.base.term };
+                //let f           = color.lightest.term;
+                //let name        = if false { format!(" {i:>3}") } else { format!(" {i:>3} {name}") };
+                //let length      = if false { String::default()  } else { format!("{length}  ") };
+                //bg(b, below!(
+                    //fg(f, bold(selected, name)).origin_w().full_w(),
+                    //fg(f, bold(selected, length)).origin_e().full_w(),
+                    //when(selected, bold(true, fg(g(255), "▶"))).origin_w().full_w(),
+                    //when(selected, bold(true, fg(g(255), "◀"))).origin_e().full_w(),
+                //)).exact_h(1)
+            //}).origin_n().full_h().exact_w(20)
+    //}
 }
 
 impl ClipLength {
-    fn tui (&self) -> impl Draw<Tui> {
-        use ClipLengthFocus::*;
-        let bars  = format!("{}", self.bars());
-        let beats = format!("{}", self.beats());
-        let ticks = format!("{:>02}", self.ticks());
-        match self.focus {
-            None       => east!(" ", bars, ".", beats, ".", ticks),
-            Some(Bar)  => east!("[", bars, "]", beats, ".", ticks),
-            Some(Beat) => east!(" ", bars, "[", beats, "]", ticks),
-            Some(Tick) => east!(" ", bars, ".", beats, "[", ticks),
-        }
-    }
+    //fn tui (&self) -> impl Draw<Tui> {
+        //use ClipLengthFocus::*;
+        //let bars  = format!("{}", self.bars());
+        //let beats = format!("{}", self.beats());
+        //let ticks = format!("{:>02}", self.ticks());
+        //match self.focus {
+            //None       => east!(" ", bars, ".", beats, ".", ticks),
+            //Some(Bar)  => east!("[", bars, "]", beats, ".", ticks),
+            //Some(Beat) => east!(" ", bars, "[", beats, "]", ticks),
+            //Some(Tick) => east!(" ", bars, ".", beats, "[", ticks),
+        //}
+    //}
 }

src/device/sampler.rs

@@ -21,7 +21,7 @@ impl<T: AsRef<Sampler> + AsMut<Sampler>> HasSampler for T {}
 
 #[tek_proc::commands(SamplerCommand = "sampler")]
 pub trait SamplerController: HasSampler
-    + for<'a> Namespace<'a, usize>
+    + Namespace<usize>
 {
 
     #[command(RecordToggle = "rec-toggle")]
@@ -30,10 +30,10 @@ pub trait SamplerController: HasSampler
     {
         let sampler = self.sampler_mut();
         let recording = sampler.recording.as_ref().map(|x|x.0);
-        let _ = SamplerCommand::RecordFinish.act(self)?;
+        let _ = SamplerCommand::RecordFinish.dispatch(self)?;
         // autoslice: continue recording at next slot
         if recording != Some(slot) {
-            SamplerCommand::RecordBegin { slot }.act(self)
+            SamplerCommand::RecordBegin { slot }.dispatch(self)
         } else {
             Ok(None)
         }

src/device/sequence.rs

@@ -245,19 +245,25 @@ pub trait HasMidiClip {
     fn clip (&self) -> Option<Arc<RwLock<MidiClip>>>;
 }
 
+impl HasMidiClip for App {
+    fn clip (&self) -> Option<Arc<RwLock<MidiClip>>> {
+        None
+    }
+}
+
 impl<T: HasMidiClip
-    + for<'a> Namespace<'a, Option<bool>>
-    + for<'a> Namespace<'a, Option<ItemTheme>>
+    + Namespace<Option<bool>>
+    + Namespace<Option<ItemTheme>>
 > MidiClipController for T {}
 
 #[tek_proc::commands(MidiClipCommand)]
 pub trait MidiClipController: HasMidiClip
-    + for<'a> Namespace<'a, Option<bool>>
-    + for<'a> Namespace<'a, Option<ItemTheme>>
+    + Namespace<Option<bool>>
+    + Namespace<Option<ItemTheme>>
 {
 
     #[command(SetColor = "clip/color")]
-    fn clip_set_color (&mut self, color: Option<ItemTheme>) -> Perhaps<MidiClipCommand> {
+    fn clip_set_color (&mut self, _color: Option<ItemTheme>) -> Perhaps<MidiClipCommand> {
         //(SetColor [t: usize, s: usize, c: ItemTheme]
             //clip.clip_set_color(t, s, c).map(|o|Self::SetColor(t, s, o)))));
             //("color"   [a: usize, b: usize] Some(Self::SetColor(a.unwrap(), b.unwrap(), ItemTheme::random())))
@@ -265,7 +271,7 @@ pub trait MidiClipController: HasMidiClip
     }
 
     #[command(SetLoop = "clip/loop")]
-    fn clip_toggle_loop (&mut self, looping: Option<bool>) -> Perhaps<MidiClipCommand> {
+    fn clip_toggle_loop (&mut self, _looping: Option<bool>) -> Perhaps<MidiClipCommand> {
         //(SetLoop  [t: usize, s: usize, l: bool] cmd_todo!("\n\rtodo: {self:?}"))
             //("loop"    [a: usize, b: usize, c: bool] Some(Self::SetLoop(a.unwrap(), b.unwrap(), c.unwrap())))
         todo!()
@@ -356,14 +362,6 @@ impl PartialEq for MidiClip {
 
 impl Eq for MidiClip {}
 
-impl MidiClip {
-    fn _todo_opt_bool_stub_ (&self) -> Option<bool> { todo!() }
-    fn _todo_bool_stub_ (&self) -> bool { todo!() }
-    fn _todo_usize_stub_ (&self) -> usize { todo!() }
-    fn _todo_arc_str_stub_ (&self) -> Arc<str> { todo!() }
-    fn _todo_item_theme_stub (&self) -> ItemTheme { todo!() }
-    fn _todo_opt_item_theme_stub (&self) -> Option<ItemTheme> { todo!() }
-}
 impl_has!(Sequencer:       |self: Track|           self.sequencer);
 impl_has!(Clock:           |self: Sequencer|       self.clock);
 impl_has!(Vec<MidiInput>:  |self: Sequencer|       self.midi_ins);

src/tek.edn

@@ -18,10 +18,13 @@
     (align/s (bsp/e :ports/out (bsp/e :transport :ports/in)))
     (align/c (bsp/s (align/x (bg (g 36) :logo)) (bg (g 24) :dialog/menu))))))
 
+(keys :back    (@escape (back)))
+(keys :confirm (@enter  (dialog confirm)))
+(keys :axis/y  (@up     (axis (dec :y)))
+               (@down   (axis (inc :y))))
+
 (mode :arranger (name Arranger) (info Launch grid.)
-  (keys (see :clock :color :launch :scenes :tracks :global)
-    (@tab project/edit) (@shift/I project/input/add) (@shift/O project/output/add)
-    (@shift/D dialog/show :dialog/device))
+  (keys :clock :color :launch :scenes :tracks :global)
   (mode :editor     (keys :editor))
   (mode :dialog     (keys :dialog))
   (mode :message    (keys :message))
@@ -46,6 +49,27 @@
                          (bg (g 80) (bsp/s :scenes/names :editor))
                          (bg (g 90) :scenes))))))))))))))
 
+(keys :clock  (@space       clock/toggle 0)
+              (@shift/space clock/toggle 0))
+
+(keys :color  (@c           color))
+
+(keys :launch (@q           launch))
+
+(keys :scenes (@shift/S     (scenes add))
+              (@s           (select scene))
+              (@up          (select scene-dec))
+              (@down        (select scene-inc)))
+
+(keys :tracks (@shift/T     (tracks add))
+              (@t           (select track))
+              (@left        (select track-dec))
+              (@right       (select track-inc)))
+
+(keys :global (see :history :saveload)
+              (@f8          dialog :options)
+              (@f10         dialog :quit))
+
 (view :ports/out
   (bsp/s (align/w (text L-AUDIO-OUT))
     (bsp/e (text MIDI-OUT)
@@ -86,18 +110,24 @@
 
 (view :groove/sequence (bsp/e (fill/y (align/n (bsp/s :status/v :editor-status))) (bsp/e :samples/keys :editor)))
 
-(keys :back    (@escape back))
-(keys :confirm (@enter  confirm))
-(keys :axis/x  (@left        app/dec :x)  (@right        app/inc :x))
-(keys :axis/x2 (@shift/left  app/dec :x2) (@shift/right  app/inc :x2))
-(keys :axis/y  (@up          app/dec :y)  (@down         app/inc :y))
-(keys :axis/y2 (@shift/up    app/dec :y2) (@shift/down   app/inc :y2))
-(keys :axis/z  (@minus       app/dec :z)  (@equal        app/inc :z))
-(keys :axis/z2 (@underscore  app/dec :z2) (@plus         app/inc :z2))
-(keys :axis/i  (@comma       app/dec :i)  (@period       app/inc :z))
-(keys :axis/i2 (@lt          app/dec :i2) (@gt           app/inc :z2))
-(keys :axis/w  (@openbracket app/dec :w)  (@closebracket app/inc :w))
-(keys :axis/w2 (@openbrace   app/dec :w2) (@closebrace   app/inc :w2))
+(keys :axis/x  (@left         dec :x)
+               (@right        inc :x))
+(keys :axis/x2 (@shift/left   dec :x2)
+               (@shift/right  inc :x2))
+(keys :axis/y2 (@shift/up     dec :y2)
+               (@shift/down   inc :y2))
+(keys :axis/z  (@minus        dec :z)
+               (@equal        inc :z))
+(keys :axis/z2 (@underscore   dec :z2)
+               (@plus         inc :z2))
+(keys :axis/i  (@comma        dec :i)
+               (@period       inc :z))
+(keys :axis/i2 (@lt           dec :i2)
+               (@gt           inc :z2))
+(keys :axis/w  (@openbracket  dec :w)
+               (@closebracket inc :w))
+(keys :axis/w2 (@openbrace    dec :w2)
+               (@closebrace   inc :w2))
 (keys :focus)
 (keys :editor                (see :axis/i :axis/i2 :axis/y
                                   :page :editor/view :editor/add :editor/del))
@@ -117,19 +147,11 @@
                              (@down      sampler/select        :sample/below)
                              (@left      sampler/select        :sample/to/left)
                              (@right     sampler/select        :sample/to/right))
-(keys :tracks                (@t         select                :select/track)
-                             (@shift/T   project/track/add)
-                             (@left      select :select/track/dec)
-                             (@right     select :select/track/inc))
 (keys :track                 (see :color :launch :axis/z :axis/z2 :delete)
                              (@r         toggle :rec)
                              (@m         toggle :mon)
                              (@p         toggle :play)
                              (@P         toggle :solo))
-(keys :scenes                (@s         select :select/scene)
-                             (@shift/S   project/scene/add)
-                             (@up        select :select/scene/dec)
-                             (@down      select :select/scene/inc))
 (keys :scene                 (see :color :launch :axis/z :axis/z2 :delete))
 (keys :help                  (@f1        dialog :help))
 (keys :page                  (@pgup      page/up)
@@ -144,13 +166,6 @@
                              (@r           redo         1))
 (keys :saveload              (@f6          dialog       :save)
                              (@f9          dialog       :load))
-(keys :color                 (@c           color))
-(keys :launch                (@q           launch))
-(keys :clock                 (@space       clock/toggle 0)
-                             (@shift/space clock/toggle 0))
-(keys :global                (see :history :saveload)
-                             (@f8          dialog :options)
-                             (@f10         dialog :quit))
 (keys :clip                  (see :color :launch :axis/z :axis/z2 :delete)
                              (@l           toggle :loop))
 (keys :sequencer             (see :color :launch)

src/tek.rs

@@ -1,44 +1,6 @@
 #![allow(clippy::unit_arg)]
-#![feature(impl_trait_in_assoc_type)] // Used by EntriesIterator; TODO remove
-pub extern crate atomic_float;
-pub extern crate xdg;
-pub extern crate tengri;
-#[cfg(feature = "cli")]
-pub(crate) use ::clap::{self, Parser, Subcommand};
-#[allow(unused)]
-pub(crate) use ::{
-    std::{
-        cmp::Ord,
-        collections::BTreeMap,
-        error::Error,
-        ffi::OsString,
-        fmt::{Write, Debug, Formatter},
-        fs::File,
-        ops::{Add, Sub, Mul, Div, Rem},
-        path::{Path, PathBuf},
-        sync::{Arc, RwLock, atomic::{AtomicBool, AtomicUsize, AtomicU64, Ordering::Relaxed}},
-        time::Duration,
-        thread::{spawn, JoinHandle},
-    },
-    xdg::{
-        BaseDirectories,
-    },
-    tengri::{
-        *,
-        dizzle::*,
-        midly::{
-            Smf, TrackEventKind, MidiMessage, Error as MidiError,
-            num::*,
-            live::*,
-        },
-        crossterm::event::{Event, KeyEvent},
-        ratatui::{
-            self,
-            prelude::{Rect, Style, Stylize, Buffer, Color::{self, *}},
-            widgets::{Widget, canvas::{Canvas, Line}},
-        },
-    },
-};
+//#![feature(impl_trait_in_assoc_type)] // Used by EntriesIterator; TODO remove
+mod deps; pub use self::deps::*;
 
 /// Banner.
 pub(crate) const HEADER: &'static str = r#"
@@ -88,6 +50,27 @@ fn run_new_plain (config: Config) -> Usually<()> {
     })?)
 }
 
+    //pub fn tui (
+        //app:         Arc<RwLock<App>>,
+        //jack:        Jack,
+        //sync_lead:   &bool,
+        //sync_follow: &bool,
+    //) -> Usually<()> {
+        //// Run the [Tui] and [Jack] threads with the [App] state.
+        //Tui::run_main(&jack.run(move|jack|{
+            //// Between jack init and app's first cycle:
+            ////jack.sync_lead(*sync_lead, |mut state|{
+                ////let clock = app.write().unwrap().clock();
+                ////clock.playhead.update_from_sample(state.position.frame() as f64);
+                ////state.position.bbt = Some(clock.bbt());
+                ////state.position
+            ////})?;
+            ////jack.sync_follow(*sync_follow)?;
+            //// FIXME: They don't work properly.
+            //Ok(app)
+        //})?)?
+    //}
+
 #[cfg(feature = "cli")] pub mod cli {
     use crate::*;
 
@@ -238,14 +221,8 @@ fn run_new_plain (config: Config) -> Usually<()> {
                     .chain(
                         connect_audio_outs(&jack, &"R".to_string(), &right_to,   None)?.into_iter()
                     ));
-            //&jack, Clock::new(&jack, *bpm)?, &lf, &lt, &rf, &rt, &mf, &mt, &mfr, &mtr)?;
             proj.tracks_add_many(tracks.unwrap_or(0), None, [].into(), [].into())?;
             proj.scenes_add_many(scenes.unwrap_or(0))?;
-            //if matches!(self, Action::Status) {
-                //// Show status and exit
-                //tek_print_status(&proj);
-                //return Ok(())
-            //}
             Ok(proj)
         }
     }
@@ -325,11 +302,14 @@ mod config {
     }
 
     impl Config {
+        /// Default configuration directory.
         const CONFIG_DIR: &'static str = "tek";
+        /// Default configuration subdirectory.
         const CONFIG_SUB: &'static str = "v0";
+        /// Default configuration file name.
         const CONFIG:     &'static str = "tek.edn";
+        /// Default configuration contents.
         const DEFAULTS:   &'static str = include_str!("tek.edn");
-
         /// Create a new app configuration from a set of XDG base directories,
         pub fn new (dirs: Option<BaseDirectories>) -> Self {
             Self {
@@ -340,20 +320,20 @@ mod config {
                 ..Default::default()
             }
         }
-
+        /// Create, initialize, and watch a new configuration.
         pub fn watched <T> (callback: impl FnOnce(Arc<Self>)->T) -> Usually<T> {
             let config = Self::init_new(None)?;
             Self::watch(config.clone(), None)?;
             let result = callback(config);
             Ok(result)
         }
-
+        /// Create and initialize a new configuration.
         pub fn init_new (_dirs: Option<BaseDirectories>) -> Usually<Arc<Self>> {
             let config = Arc::new(Self::new(None));
             config.init()?;
             Ok(config)
         }
-
+        /// Watch a config's file for changes.
         pub fn watch (config: Arc<Self>, poll: Option<Duration>) -> Usually<()> {
             let handler = {
                 let config = config.clone();
@@ -383,19 +363,18 @@ mod config {
                 Err(format!("no config path").into())
             }
         }
-
+        /// Find the config file.
         fn find_file (&self) -> Option<PathBuf> {
             self.dirs.find_config_file(Self::CONFIG)
         }
-
+        /// Place config file in default location.
         fn place_file (&self) -> Result<PathBuf, std::io::Error> {
             self.dirs.place_config_file(Self::CONFIG)
         }
-
+        /// Get path to config file.
         fn get_file (&self) -> Option<PathBuf> {
             self.dirs.get_config_file(Self::CONFIG)
         }
-
         /// Write initial contents of configuration.
         pub fn init (&self) -> Usually<()> {
             //println!("\r\ninit {}", quanta::Clock::new().raw());
@@ -405,13 +384,9 @@ mod config {
                 Ok(())
             })
         }
-
         /// Write initial contents of a configuration file.
-        pub fn load (
-            &self,
-            path: &str,
-            defaults: &str,
-            mut each: impl FnMut(&Self, &str)->Usually<()>
+        pub fn load <F: FnMut(&Self, &str)->Usually<()>> (
+            &self, path: &str, defaults: &str, mut each: F
         ) -> Usually<()> {
             self.stamp.store(quanta::Clock::new().raw(), Relaxed);
             if self.find_file().is_none() {
@@ -426,19 +401,18 @@ mod config {
                 return Err(format!("{path}: not found").into())
             })
         }
-
         /// Add statements to configuration from [Dsl] source.
         pub fn add (&self, dsl: impl Language) -> Usually<&Self> {
             dsl.each(|item|self.add_one(item))?;
             Ok(self)
         }
-
+        /// Make this configuration empty.
         fn clear (&self) {
             *self.modes.0.write().unwrap() = Default::default();
             *self.views.write().unwrap() = Default::default();
             *self.binds.write().unwrap() = Default::default();
         }
-
+        /// Add one entry to the configuration.
         fn add_one (&self, item: impl Language) -> Usually<()> {
             if let Some(expr) = item.expr()? {
                 let head = expr.head()?;
@@ -458,74 +432,35 @@ mod config {
                 return Err(format!("Config::load: expected expr, got: {item:?}").into())
             }
         }
-
+        /// Get a mode by name.
         pub fn get_mode (&self, mode: impl AsRef<str>) -> Option<Arc<Mode<Arc<str>>>> {
             self.modes.get(mode)
         }
-
+        /// Print the configuration.
         pub fn print (&self) {
-            use ::ansi_term::Color::*;
-            println!("{:?}", self.dirs);
-            for (k, v) in self.views.read().unwrap().iter() {
-                println!("{} {} {v}", Green.paint("VIEW"), Green.bold().paint(format!("{k:<16}")));
-            }
-            for (k, v) in self.binds.read().unwrap().iter() {
-                println!("{} {}", Green.paint("BIND"), Green.bold().paint(format!("{k:<16}")));
-                for (k, v) in v.0.iter() {
-                    print!("{} ", &Yellow.paint(match &k.0 {
-                        Event::Key(KeyEvent { modifiers, .. }) =>
-                            format!("{:>16}", format!("{modifiers}")),
-                        _ => unimplemented!()
-                    }));
-                    print!("{}", &Yellow.bold().paint(match &k.0 {
-                        Event::Key(KeyEvent { code, .. }) =>
-                            format!("{:<10}", format!("{code}")),
-                        _ => unimplemented!()
-                    }));
-                    for v in v.iter() {
-                        print!(" => {:?}", v.commands);
-                        print!(" {}", v.condition.as_ref().map(|x|format!("{x:?}")).unwrap_or_default());
-                        println!(" {}", v.description.as_ref().map(|x|x.as_ref()).unwrap_or_default());
-                        //println!(" {:?}", v.source);
-                    }
-                }
-            }
-            self.modes.for_each(|k, v|{
-                println!();
-                for v in v.name.iter() { print!("{}", Green.bold().paint(format!("{v} "))); }
-                for v in v.info.iter() { print!("\n{}", Green.paint(format!("{v}"))); }
-                print!("\n{} {}", Blue.paint("TOOL"), Green.bold().paint(format!("{k:<16}")));
-                print!("\n{}", Blue.paint("KEYS"));
-                for v in v.keys.iter() { print!("{}", Green.paint(format!(" {v}"))); }
-                println!();
-                v.modes.for_each(|k, v|{
-                    print!("{} {} {:?}", Blue.paint("MODE"), Green.bold().paint(format!("{k:<16}")), v.name);
-                    print!(  " INFO={:?}", v.info);
-                    print!(  " VIEW={:?}", v.view);
-                    println!(" KEYS={:?}", v.keys);
-                });
-                print!("{}", Blue.paint("VIEW"));
-                for v in v.view.iter() { print!("{}", Green.paint(format!(" {v}"))); }
-                println!();
-            });
+            print_config(self)
         }
     }
 
     impl Modes {
+        /// Register a mode.
         pub fn add (&self, name: &impl AsRef<str>, body: &impl Language) -> Usually<()> {
             let mut mode = Mode::default();
             body.each(|item|mode.add(item))?;
             self.0.write().unwrap().insert(name.as_ref().into(), Arc::new(mode));
             Ok(())
         }
+        /// Get a mode by name.
         pub fn get (&self, name: impl AsRef<str>) -> Option<Arc<Mode<Arc<str>>>> {
             self.0.read().unwrap().get(name.as_ref()).cloned()
         }
+        /// Run something for each mode.
         pub fn for_each <T> (&self, mut ator: impl FnMut(&str, &Mode<Arc<str>>)->T) {
             for (k, v) in self.0.read().unwrap().iter() {
                 let _ = ator(k.as_ref(), v.as_ref());
             }
         }
+        /// Count modes.
         pub fn len (&self) -> usize {
             self.0.read().unwrap().len()
         }
@@ -562,34 +497,24 @@ mod config {
             } else {
                 return Err(format!("Mode::add: unexpected: {dsl:?}").into());
             })
-
-            //DslParse(dsl, ||Err(format!("Mode::add: unexpected: {dsl:?}").into()))
-                //.word(|word|self.add_view(word))
-                //.expr(|expr|expr.head(|head|{
-                    ////println!("Mode::add: {head} {:?}", expr.tail());
-                    //let tail = expr.tail()?.map(|x|x.trim()).unwrap_or("");
-                    //match head {
-                        //"name" => self.add_name(tail),
-                        //"info" => self.add_info(tail),
-                        //"keys" => self.add_keys(tail)?,
-                        //"mode" => self.add_mode(tail)?,
-                        //_      => self.add_view(tail),
-                    //};
-                //}))
         }
-
+        /// Add a name to the mode.
         fn add_name (&mut self, dsl: impl Language) -> Perhaps<()> {
             Ok(dsl.src()?.map(|src|self.name.push(src.into())))
         }
+        /// Add a description to the mode.
         fn add_info (&mut self, dsl: impl Language) -> Perhaps<()> {
             Ok(dsl.src()?.map(|src|self.info.push(src.into())))
         }
+        /// Add a view definition to the mode.
         fn add_view (&mut self, dsl: impl Language) -> Perhaps<()> {
             Ok(dsl.src()?.map(|src|self.view.push(src.into())))
         }
+        /// Add a keyboard input bindin to the mode.
         fn add_keys (&mut self, dsl: impl Language) -> Perhaps<()> {
             Ok(Some(dsl.each(|expr|{ self.keys.push(expr.trim().into()); Ok(()) })?))
         }
+        /// Add a submode to the mode.
         fn add_mode (&mut self, dsl: impl Language) -> Perhaps<()> {
             Ok(Some(if let Some(id) = dsl.head()? {
                 self.modes.add(&id, &dsl.tail())?;
@@ -620,7 +545,7 @@ mod app {
     /// ```
     /// use tek::{HasTracks, HasScenes, TracksView, ScenesView};
     /// let mut app = tek::App::default();
-    /// let _ = app.scene_add(None, None).unwrap();
+    /// let _ = app.scenes_add_one(None, None).unwrap();
     /// let _ = app.update_clock();
     /// app.project.editor = Some(Default::default());
     /// //let _: Vec<_> = app.project.inputs_with_sizes().collect();
@@ -639,21 +564,27 @@ mod app {
     /// let _ = app.project.h_scenes();
     /// ```
     #[derive(Default, Debug)]
-    #[namespace(u8)]
-    #[namespace(isize)]
+    #[namespace(MidiClip)]
+    #[namespace(ItemColor)]
     #[namespace(ItemTheme)]
-    #[namespace(Arc<str>                      App::get_arc_str)]
-    #[namespace(u16                           App::get_u16)]
-    #[namespace(usize                         App::get_usize)]
-    #[namespace(bool                          App::get_bool)]
-    #[namespace(Selection                     App::get_selection)]
-    #[namespace(Color                         App::get_color)]
-    #[namespace(Option<u7>                    App::get_opt_u7)]
-    #[namespace(Option<u16>                   App::get_opt_u16)]
-    #[namespace(Option<usize>                 App::get_opt_usize)]
-    #[namespace(Option<Arc<RwLock<MidiClip>>> App::get_clip)]
+    #[namespace(isize)]
+    #[namespace(u8)]
+    #[namespace(Arc<[Connect]>                             get_arc_array_connect)]
+    #[namespace(Arc<str>                                   get_arc_str)]
+    #[namespace(Color                                      get_color)]
+    #[namespace(ControlAxis                                get_axis)]
+    #[namespace(Option<Arc<[Connect]>>                     get_opt_arc_array_connect)]
+    #[namespace(Option<Arc<str>>                           get_opt_arc_str)]
+    #[namespace(Option<ItemTheme>                          get_opt_itemtheme)]
+    #[namespace(Option<Vec<Option<Arc<RwLock<MidiClip>>>>> get_opt_vec_opt_arc_rwlock_midiclip)]
+    #[namespace(Option<u16>                                get_opt_u16)]
+    #[namespace(Option<usize>                              get_opt_usize)]
+    #[namespace(Option<bool>                               get_opt_bool)]
+    #[namespace(bool                                       get_bool)]
+    #[namespace(u16                                        get_u16)]
+    #[namespace(PathBuf                                    get_path_buf)]
+    #[namespace(usize                                      get_usize)]
     #[namespace(Dialog                                     App::get_dialog)]
-    #[namespace(ControlAxis                   App::get_axis)]
     pub struct App {
         /// Exit flag
         pub exit:    Exit,
@@ -692,10 +623,7 @@ mod app {
         /// let tek = tek::App::new(None, proj, conf, "hello");
         /// ```
         pub fn new (
-            exit:    Option<Exit>,
-            project: Arrangement,
-            config:  Arc<Config>,
-            mode:    impl AsRef<str>
+            exit: Option<Exit>, project: Arrangement, config: Arc<Config>, mode: impl AsRef<str>
         ) -> Self {
             App {
                 exit:   exit.unwrap_or_default(),
@@ -708,64 +636,61 @@ mod app {
                 ..Default::default()
             }
         }
-
-        fn get_arc_str (&self, src: impl Language) -> Perhaps<Arc<str>> {
-            Ok(src.src()?.map(|x|x.into()))
     }
 
-        fn get_u16 (&self, src: impl Language) -> Perhaps<u16> {
+    fn get_arc_str (_: &App, src: impl Language) -> Perhaps<Arc<str>> {
+        Ok(src.src()?.map(|x|x.into()))
+    }
+    fn get_u16 (state: &App, src: impl Language) -> Perhaps<u16> {
         Ok(Some(match src.word()? {
-                Some(":w/sidebar") => self.project.w_sidebar(self.editor().is_some()),
-                Some(":h/sample-detail") => 6.max(self.size.h() as u16 * 3 / 9),
+            Some(":w/sidebar") => state.project.w_sidebar(state.editor().is_some()),
+            Some(":h/sample-detail") => 6.max(state.size.h() as u16 * 3 / 9),
             _ => return try_to_u16(src)
         }))
     }
-
-        fn get_usize (&self, src: impl Language) -> Perhaps<usize> {
+    fn get_usize (state: &App, src: impl Language) -> Perhaps<usize> {
         Ok(Some(match src.word()? {
-                Some(":scene-count")      => self.scenes().len(),
-                Some(":track-count")      => self.tracks().len(),
-                Some(":device-kind")      => self.dialog.device_kind().unwrap_or(0),
-                Some(":device-kind/next") => self.dialog.device_kind_next().unwrap_or(0),
-                Some(":device-kind/prev") => self.dialog.device_kind_prev().unwrap_or(0),
+            Some(":scene-count")      => state.scenes().len(),
+            Some(":track-count")      => state.tracks().len(),
+            Some(":device-kind")      => state.dialog.device_kind().unwrap_or(0),
+            Some(":device-kind/next") => state.dialog.device_kind_next().unwrap_or(0),
+            Some(":device-kind/prev") => state.dialog.device_kind_prev().unwrap_or(0),
             _ => return try_to_usize(src)
         }))
     }
-
-        fn get_bool (&self, src: impl Language) -> Perhaps<bool> {
+    fn get_bool (state: &App, src: impl Language) -> Perhaps<bool> {
         src.word()?.map(|word|Ok(match word {
             "Y"                    => true,
             "N"                    => false,
-                ":mode/editor"         => self.project.editor.is_some(),
-                ":focused/dialog"      => !matches!(self.dialog, Dialog::None),
-                ":focused/message"     => matches!(self.dialog, Dialog::Message(..)),
-                ":focused/add_device"  => matches!(self.dialog, Dialog::Device(..)),
-                ":focused/browser"     => self.dialog.browser().is_some(),
-                ":focused/pool/import" => matches!(self.pool.mode, Some(PoolMode::Import(..))),
-                ":focused/pool/export" => matches!(self.pool.mode, Some(PoolMode::Export(..))),
-                ":focused/pool/rename" => matches!(self.pool.mode, Some(PoolMode::Rename(..))),
-                ":focused/pool/length" => matches!(self.pool.mode, Some(PoolMode::Length(..))),
-                ":focused/clip"        => !self.editor_focused() && matches!(self.selection(), Selection::TrackClip{..}),
-                ":focused/track"       => !self.editor_focused() && matches!(self.selection(), Selection::Track(..)),
-                ":focused/scene"       => !self.editor_focused() && matches!(self.selection(), Selection::Scene(..)),
-                ":focused/mix"         => !self.editor_focused() && matches!(self.selection(), Selection::Mix),
+            ":mode/editor"         => state.project.editor.is_some(),
+            ":focused/dialog"      => !matches!(state.dialog, Dialog::None),
+            ":focused/message"     => matches!(state.dialog, Dialog::Message(..)),
+            ":focused/add_device"  => matches!(state.dialog, Dialog::Device(..)),
+            ":focused/browser"     => state.dialog.browser().is_some(),
+            ":focused/pool/import" => matches!(state.pool.mode, Some(PoolMode::Import(..))),
+            ":focused/pool/export" => matches!(state.pool.mode, Some(PoolMode::Export(..))),
+            ":focused/pool/rename" => matches!(state.pool.mode, Some(PoolMode::Rename(..))),
+            ":focused/pool/length" => matches!(state.pool.mode, Some(PoolMode::Length(..))),
+            ":focused/clip"        => !state.editor_focused() && matches!(state.selection(), Selection::TrackClip{..}),
+            ":focused/track"       => !state.editor_focused() && matches!(state.selection(), Selection::Track(..)),
+            ":focused/scene"       => !state.editor_focused() && matches!(state.selection(), Selection::Scene(..)),
+            ":focused/mix"         => !state.editor_focused() && matches!(state.selection(), Selection::Mix),
             _ => return Err(format!("not bool: {word}").into())
         })).transpose()
     }
-
-        fn get_selection (&self, src: impl Language) -> Perhaps<Selection> {
+    #[allow(unused)]
+    fn get_selection (state: &App, src: impl Language) -> Perhaps<Selection> {
         src.word()?.map(|word|Ok(match word {
-                ":select/scene"      => self.selection().select_scene(self.tracks().len()),
-                ":select/scene/next" => self.selection().select_scene_next(self.scenes().len()),
-                ":select/scene/prev" => self.selection().select_scene_prev(),
-                ":select/track"      => self.selection().select_track(self.tracks().len()),
-                ":select/track/next" => self.selection().select_track_next(self.tracks().len()),
-                ":select/track/prev" => self.selection().select_track_prev(),
+            ":select/scene"      => state.selection().select_scene(state.tracks().len()),
+            ":select/scene/next" => state.selection().select_scene_next(state.scenes().len()),
+            ":select/scene/prev" => state.selection().select_scene_prev(),
+            ":select/track"      => state.selection().select_track(state.tracks().len()),
+            ":select/track/next" => state.selection().select_track_next(state.tracks().len()),
+            ":select/track/prev" => state.selection().select_track_prev(),
             _ => return Err(format!("not selection: {word}").into())
         })).transpose()
     }
-
-        fn get_color (&self, src: impl Language) -> Perhaps<Color> {
+    fn get_color (_: &App, src: impl Language) -> Perhaps<Color> {
         if let Some(expr) = src.expr()? {
             match (expr.head()?, expr.tail()?) {
                 (Some("g"),   Some(tail)) => {
@@ -795,44 +720,60 @@ mod app {
             return Err(format!("not a color: {:?}", src.src()?).into())
         }
     }
-
-        fn get_opt_u7 (&self, src: impl Language) -> Perhaps<Option<u7>> {
+    #[allow(unused)]
+    fn get_opt_u7 (state: &App, src: impl Language) -> Perhaps<Option<u7>> {
         src.word()?.map(|word|Ok(match word {
             ":editor/pitch" => Some((
-                    self.editor().as_ref().map(|e|e.get_note_pos()).unwrap() as u8
+                state.editor().as_ref().map(|e|e.get_note_pos()).unwrap() as u8
             ).into()),
             _ => return Err(format!("unknown midi note: {word}").into())
         })).transpose()
     }
-
-        fn get_opt_u16 (&self, _src: impl Language) -> Perhaps<Option<u16>> {
-            Ok(None)
-        }
-
-        fn get_opt_usize (&self, src: impl Language) -> Perhaps<Option<usize>> {
+    fn get_opt_usize (state: &App, src: impl Language) -> Perhaps<Option<usize>> {
         src.word()?.map(|word|Ok(match word {
-                ":selected/scene" => self.selection().scene(),
-                ":selected/track" => self.selection().track(),
+            ":selected/scene" => state.selection().scene(),
+            ":selected/track" => state.selection().track(),
             _ => return Err(format!("unknown opt<usize>: {word}").into())
         })).transpose()
     }
-
-        fn get_clip (&self, src: impl Language) -> Perhaps<Option<Arc<RwLock<MidiClip>>>> {
+    #[allow(unused)]
+    fn get_clip (state: &App, src: impl Language) -> Perhaps<Option<Arc<RwLock<MidiClip>>>> {
         src.word()?.map(|word|Ok(match word {
-                ":selected/clip" if let Selection::TrackClip { track, scene } = self.selection() =>
-                    self.scenes()[*scene].clips[*track].clone(),
+            ":selected/clip" if let Selection::TrackClip { track, scene } = state.selection() =>
+                state.scenes()[*scene].clips[*track].clone(),
             _ => return Err(format!("not a clip: {word}").into())
         })).transpose()
     }
-
-        fn get_axis (&self, src: impl Language) -> Perhaps<ControlAxis> {
+    fn get_axis (_: &App, src: impl Language) -> Perhaps<ControlAxis> {
         Ok(src.word()?.map(|word|Ok(match word {
-                "x" => ControlAxis::X,
-                "y" => ControlAxis::Y,
+            ":x" => ControlAxis::X,
+            ":y" => ControlAxis::Y,
             _ => return Err(format!("unknown axis {word}"))
         })).transpose()?)
     }
-
+    fn get_opt_u16 (_: &App, _src: impl Language) -> Perhaps<Option<u16>> {
+        Ok(None)
+    }
+    fn get_opt_itemtheme (_: &App, _: impl Language) -> Perhaps<Option<ItemTheme>> {
+        todo!()
+    }
+    fn get_opt_vec_opt_arc_rwlock_midiclip (_: &App, _: impl Language) -> Perhaps<Option<Vec<Option<Arc<RwLock<MidiClip>>>>>> {
+        todo!()
+    }
+    fn get_opt_arc_array_connect (_: &App, _: impl Language) -> Perhaps<Option<Arc<[Connect]>>> {
+        todo!()
+    }
+    fn get_arc_array_connect (_: &App, _: impl Language) -> Perhaps<Arc<[Connect]>> {
+        todo!()
+    }
+    fn get_opt_arc_str (_: &App, _: impl Language) -> Perhaps<Option<Arc<str>>> {
+        todo!()
+    }
+    fn get_opt_bool (_: &App, _: impl Language) -> Perhaps<Option<bool>> {
+        todo!()
+    }
+    fn get_path_buf (_: &App, _: impl Language) -> Perhaps<PathBuf> {
+        todo!()
     }
 }
 
@@ -879,56 +820,158 @@ mod bind {
     /// let condition = tek::Condition(std::sync::Arc::new(Box::new(||{true})));
     /// ```
     #[derive(Clone)]
-    pub struct Condition(
-        pub Arc<Box<dyn Fn()->bool + Send + Sync>>
-    );
+    pub struct Condition(pub Arc<Box<dyn Fn()->bool + Send + Sync>>);
 
     tui_keys!(self: App, input {
-        let commands = collect_commands(self, input)?;
-        let results = execute_commands(self, commands)?;
-        self.history.extend(results.into_iter());
-        Ok(())
-    });
-
-    fn collect_commands (app: &App, input: &TuiEvent)
-        -> Usually<Vec<AppCommand>>
-    {
-        let mut commands = vec![];
-        app.mode.as_ref().and_then(|m|app.config.get_mode(m)).map(|mode|{
+        let name = self.mode.as_ref();
+        let mode = name.and_then(|m|self.config.get_mode(m)).as_ref().map(Arc::clone);
+        if let Some(mode) = mode {
+            let binds = self.config.binds.clone();
             for id in mode.keys.iter() {
-                if let Some(event_map) = app.config.binds.clone().read().unwrap().get(id.as_ref())
+                if let Some(event_map) = binds.read().unwrap().get(id.as_ref())
                 && let Some(bindings) = event_map.query(input) {
                     for binding in bindings {
                         for command in binding.commands.iter() {
-                            if let Some(command) = app.namespace(command)? as Option<AppCommand> {
-                                commands.push(command)
+                            if Self::command::<AppCommand>(self, command)? {
+                                break
                             }
                         }
                     }
                 }
             }
-            Ok::<_, Box<dyn Error>>(())
-        }).transpose()?;
-        Ok(commands)
         }
+        Ok(())
+    });
 
-    fn execute_commands (app: &mut App, commands: Vec<AppCommand>)
-        -> Usually<Vec<(AppCommand, Option<AppCommand>)>>
+    impl App {
+        fn command <
+            T: Dispatch<Self> + Clone + Into<AppCommand>
+        > (state: &mut Self, src: &str) -> Usually<bool> where
+            Self: Namespace<T>,
         {
-        let mut history = vec![];
-        for command in commands.into_iter() {
-            let result = command.clone().act(app);
-            match result {
+            if let Some(command) = Namespace::<T>::namespace(state, src)? {
+                match command.clone().dispatch(state) {
                     Err(err) => {
-                    history.push((command, None));
+                        state.history.push((command.into(), None));
                         return Err(err)
                     },
                     Ok(undo) => {
-                    history.push((command, undo));
+                        state.history.push((command.into(), undo.map(Into::into)));
+                        return Ok(true)
                     }
                 };
             }
-        Ok(history)
+            Ok(false)
+        }
+    }
+
+    impl_from!(AppCommand: |x: AxisCommand|     AppCommand::Axis     { command: x });
+    impl_from!(AppCommand: |x: BrowseCommand|   AppCommand::Browse   { command: x });
+    impl_from!(AppCommand: |x: DialogCommand|   AppCommand::Dialog   { command: x });
+    impl_from!(AppCommand: |x: MidiClipCommand| AppCommand::MidiClip { command: x });
+    impl_from!(AppCommand: |x: PoolCommand|     AppCommand::Pool     { command: x });
+    impl_from!(AppCommand: |x: SceneCommand|    AppCommand::Scene    { command: x });
+    impl_from!(AppCommand: |x: ScenesCommand|   AppCommand::Scenes   { command: x });
+    impl_from!(AppCommand: |x: TrackCommand|    AppCommand::Track    { command: x });
+    impl_from!(AppCommand: |x: TracksCommand|   AppCommand::Tracks   { command: x });
+    #[tek_proc::commands(AppCommand)]
+    impl App {
+        #[command(Axis = "axis")]
+        pub fn command_axis (&mut self, command: AxisCommand) -> Perhaps<AppCommand> {
+            Ok(command.dispatch(self)?.map(Into::into))
+        }
+        #[command(Browse = "browse")]
+        pub fn command_browse (&mut self, command: BrowseCommand) -> Perhaps<AppCommand> {
+            Ok(command.dispatch(self)?.map(Into::into))
+        }
+        #[command(Dialog = "dialog")]
+        pub fn command_dialog (&mut self, command: DialogCommand) -> Perhaps<AppCommand> {
+            Ok(command.dispatch(self)?.map(Into::into))
+        }
+        #[command(MidiClip = "clip")]
+        pub fn command_midi_clip (&mut self, command: MidiClipCommand) -> Perhaps<AppCommand> {
+            Ok(command.dispatch(self)?.map(Into::into))
+        }
+        #[command(Pool = "pool")]
+        pub fn command_pool (&mut self, command: PoolCommand) -> Perhaps<AppCommand> {
+            Ok(command.dispatch(self)?.map(Into::into))
+        }
+        #[command(Scene = "scene")]
+        pub fn command_scene (&mut self, command: SceneCommand) -> Perhaps<AppCommand> {
+            Ok(command.dispatch(self)?.map(Into::into))
+        }
+        #[command(Scenes = "scenes")]
+        pub fn command_scenes (&mut self, command: ScenesCommand) -> Perhaps<AppCommand> {
+            Ok(command.dispatch(self)?.map(Into::into))
+        }
+        #[command(Track = "track")]
+        pub fn command_track (&mut self, command: TrackCommand) -> Perhaps<AppCommand> {
+            Ok(command.dispatch(self)?.map(Into::into))
+        }
+        #[command(Tracks = "tracks")]
+        pub fn command_tracks (&mut self, command: TracksCommand) -> Perhaps<AppCommand> {
+            Ok(command.dispatch(self)?.map(Into::into))
+        }
+    }
+
+    #[tek_proc::commands(DialogCommand)]
+    impl App {
+        /// Cancel current dialog
+        #[command(Cancel = "cancel")]
+        pub fn cancel (&mut self) -> Perhaps<DialogCommand> {
+            todo!()
+        }
+        /// Confirm current dialog selection.
+        #[command(Confirm = "confirm")]
+        pub fn confirm (&mut self) -> Perhaps<DialogCommand> {
+            Ok(match &self.dialog {
+                Dialog::Menu(index, items) => {
+                    let callback = items.0[*index].1.clone();
+                    callback(self)?;
+                    None
+                },
+                _ => todo!(),
+            })
+        }
+        /// Swap currently active modal dialog.
+        ///
+        /// ```
+        /// let _ = tek::App::default().set_dialog(tek::Dialog::welcome());
+        /// ```
+        #[command(SetDialog = "seg")]
+        pub fn set_dialog (&mut self, dialog: Dialog) -> Perhaps<DialogCommand> {
+            let mut dialog = dialog.clone();
+            std::mem::swap(&mut self.dialog, &mut dialog);
+            Ok(Some(DialogCommand::SetDialog { dialog }))
+        }
+    }
+
+    #[tek_proc::commands(AxisCommand)]
+    impl App {
+        /// Increment a given data axis.
+        #[command(Inc = "inc")]
+        pub fn inc (&mut self, axis: ControlAxis) -> Perhaps<AxisCommand> {
+            Ok(match (&self.dialog, axis) {
+                (Dialog::None, _) => todo!(),
+                (Dialog::Menu(_, _), ControlAxis::Y) => {
+                    DialogCommand::SetDialog { dialog: self.dialog.menu_next() }.dispatch(self)?;
+                    None
+                },
+                _ => todo!()
+            })
+        }
+        /// Decrement a given data axis.
+        #[command(Dec = "dec")]
+        pub fn dec (&mut self, axis: ControlAxis) -> Perhaps<AxisCommand> {
+            Ok(match (&self.dialog, axis) {
+                (Dialog::None, _) => None,
+                (Dialog::Menu(_, _), ControlAxis::Y) => {
+                    DialogCommand::SetDialog { dialog: self.dialog.menu_prev() }.dispatch(self)?;
+                    None
+                },
+                _ => todo!()
+            })
+        }
     }
 
     pub(crate) fn load_bind (binds: &Binds, name: &impl AsRef<str>, body: &impl Language) -> Usually<()> {
@@ -1012,75 +1055,6 @@ mod bind {
 
     impl_debug!(Condition |self, w| { write!(w, "*") });
 
-    #[tek_proc::commands(AppCommand = "app")]
-    impl App {
-
-        #[command(Nop = "nop")]
-        pub fn nop (&mut self) -> Perhaps<AppCommand> {
-            Ok(None)
-        }
-
-        #[command(Cancel = "cancel")]
-        pub fn cancel (&mut self) -> Perhaps<AppCommand> {
-            todo!()
-        }
-
-        #[command(Inc = "inc")]
-        pub fn inc (&mut self, axis: ControlAxis) -> Perhaps<AppCommand> {
-            Ok(match (&self.dialog, axis) {
-                (Dialog::None, _) => todo!(),
-                (Dialog::Menu(_, _), ControlAxis::Y) =>
-                    AppCommand::SetDialog { dialog: self.dialog.menu_next() }.act(self)?,
-                _ => todo!()
-            })
-        }
-
-        #[command(Dec = "dec")]
-        pub fn dec (&mut self, axis: ControlAxis) -> Perhaps<AppCommand> {
-            Ok(match (&self.dialog, axis) {
-                (Dialog::None, _) => None,
-                (Dialog::Menu(_, _), ControlAxis::Y) =>
-                    AppCommand::SetDialog { dialog: self.dialog.menu_prev() }.act(self)?,
-                _ => todo!()
-            })
-        }
-
-        #[command(Confirm = "confirm")]
-        pub fn confirm (&mut self) -> Perhaps<AppCommand> {
-            Ok(match &self.dialog {
-                Dialog::Menu(index, items) => {
-                    let callback = items.0[*index].1.clone();
-                    callback(self)?;
-                    None
-                },
-                _ => todo!(),
-            })
-        }
-
-        /// Swap currently active modal dialog.
-        ///
-        /// ```
-        /// let _ = tek::App::default().set_dialog(tek::Dialog::welcome());
-        /// ```
-        #[command(SetDialog = "dialog")]
-        pub fn set_dialog (&mut self, dialog: Dialog) -> Perhaps<AppCommand> {
-            let mut dialog = dialog.clone();
-            std::mem::swap(&mut self.dialog, &mut dialog);
-            Ok(Some(AppCommand::SetDialog { dialog }))
-        }
-    }
-
-    //impl<'a> Namespace<'a, AppCommand> for App {
-        //symbols!('a |app| -> AppCommand {
-            //"x/inc"   => AppCommand::Inc { axis: ControlAxis::X },
-            //"x/dec"   => AppCommand::Dec { axis: ControlAxis::X },
-            //"y/inc"   => AppCommand::Inc { axis: ControlAxis::Y },
-            //"y/dec"   => AppCommand::Dec { axis: ControlAxis::Y },
-            //"confirm" => AppCommand::Confirm,
-            //"cancel"  => AppCommand::Cancel,
-        //});
-    //}
-
     /// A control axis.
     ///
     /// ```
@@ -1293,6 +1267,18 @@ mod device {
         }
     }
 
+    pub fn view_device (state: &App) -> impl Draw<Tui> {
+        let selected = state.dialog.device_kind().unwrap();
+        south(
+            bold(true, "Add device"),
+            iter_south(move||device_kinds().iter().enumerate().map(move|(i, _label)|{
+                let b = if i == selected { Rgb(64,128,32) } else { Rgb(0,0,0) };
+                let l = if i == selected { "[ " } else { "  " };
+                let r = if i == selected { " ]" } else { "  " };
+                bg(b, east(l, west(r, "FIXME device name"))).full_w()
+            })))
+    }
+
     pub mod arrange;  pub use self::arrange::*;
     pub mod browse;   pub use self::browse::*;
     pub mod pool;     pub use self::pool::*;
@@ -1308,27 +1294,6 @@ mod device {
     #[cfg(feature = "plugin")] pub use self::plugin::*;
 }
 
-    //pub fn tui (
-        //app:         Arc<RwLock<App>>,
-        //jack:        Jack,
-        //sync_lead:   &bool,
-        //sync_follow: &bool,
-    //) -> Usually<()> {
-        //// Run the [Tui] and [Jack] threads with the [App] state.
-        //Tui::run_main(&jack.run(move|jack|{
-            //// Between jack init and app's first cycle:
-            ////jack.sync_lead(*sync_lead, |mut state|{
-                ////let clock = app.write().unwrap().clock();
-                ////clock.playhead.update_from_sample(state.position.frame() as f64);
-                ////state.position.bbt = Some(clock.bbt());
-                ////state.position
-            ////})?;
-            ////jack.sync_follow(*sync_follow)?;
-            //// FIXME: They don't work properly.
-            //Ok(app)
-        //})?)?
-    //}
-
 pub use self::draw::*;
 mod draw {
     use crate::*;
@@ -1346,8 +1311,10 @@ mod draw {
 
     impl Keywords<Tui, XYWH<u16>> for App {
         fn keywords () -> impl Iterator<Item = fn(&Self, &mut Tui, &str) -> Perhaps<XYWH<u16>>> {
-            [kw_when, kw_either, kw_split, kw_align, kw_exact, kw_min, kw_max, kw_push, kw_full,
-             kw_tui_text, kw_tui_fg, kw_tui_bg]
+            [
+                kw_when, kw_either, kw_split, kw_align, kw_exact, kw_min, kw_max, kw_push, kw_full,
+                kw_tui_text, kw_tui_fg, kw_tui_bg
+            ]
                 .into_iter()
         }
     }
@@ -1521,73 +1488,6 @@ mod draw {
             Ok(Some(to.area().into()))
         }).min_w(w).exact_h(h)
     }
-
-    pub fn view_device (state: &App) -> impl Draw<Tui> {
-        let selected = state.dialog.device_kind().unwrap();
-        south(
-            bold(true, "Add device"),
-            iter_south(move||device_kinds().iter().enumerate().map(move|(i, _label)|{
-                let b = if i == selected { Rgb(64,128,32) } else { Rgb(0,0,0) };
-                let l = if i == selected { "[ " } else { "  " };
-                let r = if i == selected { " ]" } else { "  " };
-                bg(b, east(l, west(r, "FIXME device name"))).full_w()
-            })))
-    }
-
-    /// ```
-    /// let x = "";
-    /// let _ = tek::view_transport(true,  x.as_ref(), x.as_ref(), x.as_ref());
-    /// let _ = tek::view_transport(false, x.as_ref(), x.as_ref(), x.as_ref());
-    /// ```
-    pub fn view_transport (play: bool, bpm: &str, beat: &str, time: &str) -> impl Draw<Tui> {
-        let theme = ItemTheme::G[96];
-        bg(Black, east!(above(
-            button_play_pause(play, false).align_w(),
-            east!(
-                field_h(theme, "BPM",  bpm),
-                field_h(theme, "Beat", beat),
-                field_h(theme, "Time", time),
-            ).align_e().full_wh()
-        )))
-    }
-
-    /// ```
-    /// let x = "";
-    /// let _ = tek::view_status(None, x.as_ref(), x.as_ref(), x.as_ref());
-    /// let _ = tek::view_status(Some("".into()), x.as_ref(), x.as_ref(), x.as_ref());
-    /// ```
-    pub fn view_status (sel: Option<&str>, sr: &str, buf: &str, lat: &str) -> impl Draw<Tui> {
-        let theme = ItemTheme::G[96];
-        let sr    = field_h(theme, "SR",  sr);
-        let buf   = field_h(theme, "Buf", buf);
-        let lat   = field_h(theme, "Lat", lat);
-        bg(Black, east!(above(
-            sel.map(|sel|field_h(theme, "Selected", sel)).align_w().full_wh(),
-            east!(sr, buf, lat).align_e().full_wh(),
-        )))
-    }
-
-    /// ```
-    /// let _ = tek::button_play_pause(true, true);
-    /// let _ = tek::button_play_pause(true, false);
-    /// let _ = tek::button_play_pause(false, true);
-    /// let _ = tek::button_play_pause(false, false);
-    /// ```
-    pub fn button_play_pause (playing: bool, compact: bool) -> impl Draw<Tui> {
-        bg(if playing { Rgb(0, 128, 0) } else { Rgb(128, 64, 0) },
-            either(compact,
-                draw(move|to: &mut Tui|either(playing,
-                    fg(Rgb(0, 255, 0),   " PLAYING "),
-                    fg(Rgb(255, 128, 0), " STOPPED "),
-                ).exact_w(9).draw(to)),
-                draw(move|to: &mut Tui|either(playing,
-                    fg(Rgb(0, 255, 0),   south(" 🭍🭑🬽 ", " 🭞🭜🭘 ",)),
-                    fg(Rgb(255, 128, 0), south(" ▗▄▖ ", " ▝▀▘ ",)),
-                ).exact_w(5).draw(to)),
-            )
-        )
-    }
-
     /// ```
     /// let bg = tengri::ratatui::style::Color::Red;
     /// let fg = tengri::ratatui::style::Color::Green;
@@ -1670,6 +1570,53 @@ mod draw {
 
 }
 
+pub fn print_config (config: &Config) {
+    use ::ansi_term::Color::*;
+    println!("{:?}", config.dirs);
+    for (k, v) in config.views.read().unwrap().iter() {
+        println!("{} {} {v}", Green.paint("VIEW"), Green.bold().paint(format!("{k:<16}")));
+    }
+    for (k, v) in config.binds.read().unwrap().iter() {
+        println!("{} {}", Green.paint("BIND"), Green.bold().paint(format!("{k:<16}")));
+        for (k, v) in v.0.iter() {
+            print!("{} ", &Yellow.paint(match &k.0 {
+                Event::Key(KeyEvent { modifiers, .. }) =>
+                    format!("{:>16}", format!("{modifiers}")),
+                _ => unimplemented!()
+            }));
+            print!("{}", &Yellow.bold().paint(match &k.0 {
+                Event::Key(KeyEvent { code, .. }) =>
+                    format!("{:<10}", format!("{code}")),
+                _ => unimplemented!()
+            }));
+            for v in v.iter() {
+                print!(" => {:?}", v.commands);
+                print!(" {}", v.condition.as_ref().map(|x|format!("{x:?}")).unwrap_or_default());
+                println!(" {}", v.description.as_ref().map(|x|x.as_ref()).unwrap_or_default());
+                //println!(" {:?}", v.source);
+            }
+        }
+    }
+    config.modes.for_each(|k, v|{
+        println!();
+        for v in v.name.iter() { print!("{}", Green.bold().paint(format!("{v} "))); }
+        for v in v.info.iter() { print!("\n{}", Green.paint(format!("{v}"))); }
+        print!("\n{} {}", Blue.paint("TOOL"), Green.bold().paint(format!("{k:<16}")));
+        print!("\n{}", Blue.paint("KEYS"));
+        for v in v.keys.iter() { print!("{}", Green.paint(format!(" {v}"))); }
+        println!();
+        v.modes.for_each(|k, v|{
+            print!("{} {} {:?}", Blue.paint("MODE"), Green.bold().paint(format!("{k:<16}")), v.name);
+            print!(  " INFO={:?}", v.info);
+            print!(  " VIEW={:?}", v.view);
+            println!(" KEYS={:?}", v.keys);
+        });
+        print!("{}", Blue.paint("VIEW"));
+        for v in v.view.iter() { print!("{}", Green.paint(format!(" {v}"))); }
+        println!();
+    });
+}
+
 pub fn print_status (project: &Arrangement) {
     println!("Name:        {:?}",   &project.name);
     println!("JACK:        {:?}",   &project.jack);

tengri

@@ -1 +1 @@
-Subproject commit b7f4d55e1d67d3481ecee14f693ca3e0a9426a6c
+Subproject commit 1f541407597c7866cf1450d03967ab4711d28d29