diff --git a/Cargo.lock b/Cargo.lock
index b1a63742..4959d05a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2396,7 +2396,6 @@ dependencies = [
  "rand 0.8.5",
  "symphonia",
  "tengri",
- "tengri_proc",
  "toml",
  "uuid",
  "wavers",
@@ -2458,17 +2457,6 @@ dependencies = [
  "tengri_dsl",
 ]
 
-[[package]]
-name = "tengri_proc"
-version = "0.14.0"
-dependencies = [
- "heck",
- "proc-macro2",
- "quote",
- "syn",
- "tengri_core",
-]
-
 [[package]]
 name = "tengri_tui"
 version = "0.14.0"
diff --git a/Justfile b/Justfile
index b783e089..dd5824e4 100644
--- a/Justfile
+++ b/Justfile
@@ -1,45 +1,24 @@
 export RUSTFLAGS := "--cfg procmacro2_semver_exempt -Zmacro-backtrace -Clink-arg=-fuse-ld=mold"
 export RUST_BACKTRACE := "1"
 
-debug        := "reset && cargo run --"
-release      := "reset && cargo run --release --"
-name         := "-n tek"
-bpm          := "-b 174"
-midi-in      := "-i 'Midi-Bridge:.*nanoKEY.*:.*capture.*'"
-midi-out     := "-o 'Midi-Bridge:.*playback.*'"
-audio-in     := "-l 'Komplete Audio 6 Pro:capture_AUX1' -r 'Komplete Audio 6 Pro:capture_AUX1'"
-audio-out    := "-L 'Komplete Audio 6 Pro:playback_AUX1' -R 'Komplete Audio 6 Pro:playback_AUX1'"
-firefox-in   := "-l 'Firefox:output_FL*' -r 'Firefox:output_FR*'"
+default:
+  just -l
+
+cloc:
+  for src in {cli,edn/src,input/src,jack/src,midi/src,output/src,plugin/src,sampler/src,tek/src,time/src,tui/src}; do echo; echo $src; cloc --quiet $src; done
+
+bacon:
+  bacon -s
+
+check:
+  reset && cargo check
+
+test:
+  cargo test --workspace --exclude jack
+
 covfig       := "CARGO_INCREMENTAL=0 RUSTFLAGS='-Cinstrument-coverage' RUSTDOCFLAGS='-Cinstrument-coverage' LLVM_PROFILE_FILE='cov/cargo-test-%p-%m.profraw'"
 grcov-binary := "--binary-path ./target/coverage/deps/"
 grcov-ignore := "--ignore-not-existing --ignore '../*' --ignore \"/*\" --ignore 'target/*'"
-
-default:
-  just -l
-bacon:
-  bacon -s
-check:
-  reset && cargo check
-build:
-  reset && cargo build
-run:
-  {{debug}}
-run-init:
-  rm -rf ~/.config/tek && {{debug}}
-release:
-  {{release}}
-build-release:
-  time cargo build -j4 --release
-tui:
-  cargo run --example tui
-cloc:
-  for src in {cli,edn/src,input/src,jack/src,midi/src,output/src,plugin/src,sampler/src,tek/src,time/src,tui/src}; do echo; echo $src; cloc --quiet $src; done
-test:
-  cargo test --workspace --exclude jack
-prof:
-  CARGO_PROFILE_RELEASE_DEBUG=true cargo flamegraph --
-doc:
-  cargo doc -j4 --workspace --document-private-items
 cov:
   {{covfig}} time cargo test -j4 --workspace --exclude jack --profile coverage
   rm -rf target/coverage/html || true
@@ -51,6 +30,28 @@ llcov:
   time cargo llvm-cov --workspace --exclude jack --profile coverage --no-report
   time cargo llvm-cov --workspace --exclude jack --profile coverage --no-report --doc
   time cargo llvm-cov report --doctests --html #--output-path target/coverage/html
+
+build:
+  reset && cargo build
+
+debug := "reset && cargo run --"
+run:
+  {{debug}}
+run-init:
+  rm -rf ~/.config/tek && {{debug}}
+
+prof:
+  CARGO_PROFILE_RELEASE_DEBUG=true cargo flamegraph --
+
+doc:
+  cargo doc -j4 --workspace --document-private-items
+
+release := "reset && cargo run --release --"
+release:
+  {{release}}
+build-release:
+  time cargo build -j4 --release
+
 amend:
   git commit --amend
 push:
@@ -62,11 +63,18 @@ fpush:
 ftpush:
   git push --tags -fu codeberg && git push --tags -fu origin
 
+name := "-n tek"
+bpm  := "-b 174"
 clock:
   {{debug}} {{name}} {{bpm}} clock
 clock-release:
   {{release}} {{name}} {{bpm}} clock
 
+midi-in    := "-i 'Midi-Bridge:.*nanoKEY.*:.*capture.*'"
+midi-out   := "-o 'Midi-Bridge:.*playback.*'"
+audio-in   := "-l 'Komplete Audio 6 Pro:capture_AUX1' -r 'Komplete Audio 6 Pro:capture_AUX1'"
+audio-out  := "-L 'Komplete Audio 6 Pro:playback_AUX1' -R 'Komplete Audio 6 Pro:playback_AUX1'"
+firefox-in := "-l 'Firefox:output_FL*' -r 'Firefox:output_FR*'"
 arranger:
   {{debug}} {{name}} {{bpm}} arranger
 arranger-ext:
diff --git a/bacon.toml b/bacon.toml
index 53b4f1ff..5a611b08 100644
--- a/bacon.toml
+++ b/bacon.toml
@@ -1,5 +1,5 @@
 # https://dystroy.org/bacon/config/
-default_job = "check"
+default_job = "test"
 env.CARGO_TERM_COLOR = "always"
 [keybindings]
 c = "job:check"
@@ -24,7 +24,7 @@ command = ["cargo", "clippy", "--all-targets"]
 need_stdout = false
 watch = ["tek", "deps"]
 [jobs.test]
-command = ["cargo", "test"]
+command = ["cargo", "test", "--workspace", "--exclude", "jack"]
 need_stdout = true
 watch = ["tek", "deps"]
 [jobs.nextest]
diff --git a/deps/rust-jack b/deps/rust-jack
index 4cbf155d..764a38a8 160000
--- a/deps/rust-jack
+++ b/deps/rust-jack
@@ -1 +1 @@
-Subproject commit 4cbf155d8ed222c140c11770474832ddfa52bcd7
+Subproject commit 764a38a880ab4749ea60aa7e53cd814b858e606c
diff --git a/deps/tengri b/deps/tengri
index a4dbf882..ca862b98 160000
--- a/deps/tengri
+++ b/deps/tengri
@@ -1 +1 @@
-Subproject commit a4dbf88220f75ccaf9d14cc2e4fb7c00479e3940
+Subproject commit ca862b9802524ee1713c0088c7a525ad07f370a0
diff --git a/tek/Cargo.toml b/tek/Cargo.toml
index f29213a0..656b182b 100644
--- a/tek/Cargo.toml
+++ b/tek/Cargo.toml
@@ -14,9 +14,6 @@ path = "tek_cli.rs"
 rustflags = ["-C", "link-arg=-fuse-ld=mold"]
 
 [dependencies]
-tengri      = { workspace = true }
-tengri_proc = { workspace = true }
-
 atomic_float = { workspace = true }
 backtrace    = { workspace = true }
 clap         = { workspace = true, optional = true }
@@ -27,6 +24,7 @@ midly        = { workspace = true }
 palette      = { workspace = true }
 rand         = { workspace = true }
 symphonia    = { workspace = true, optional = true }
+tengri       = { workspace = true }
 toml         = { workspace = true }
 uuid         = { workspace = true, optional = true }
 wavers       = { workspace = true, optional = true }
diff --git a/tek/device/arranger.rs b/tek/device/arranger.rs
index 0963df93..dd277a25 100644
--- a/tek/device/arranger.rs
+++ b/tek/device/arranger.rs
@@ -84,7 +84,7 @@ maybe_has!(Scene:      |self: Arrangement|
     //.map(|t|Take::take(t, iter)).transpose().map(|x|x.flatten()));
 //take!(ClipCommand  |state: Arrangement, iter|state.selected_clip().as_ref()
     //.map(|t|Take::take(t, iter)).transpose().map(|x|x.flatten()));
-#[tengri_proc::expose] impl Arrangement {
+impl Arrangement {
     fn selected_midi_in  (&self) -> Option<MidiInput>  { todo!() }
     fn selected_midi_out (&self) -> Option<MidiOutput> { todo!() }
     fn selected_device   (&self) -> Option<Device>     { todo!() }
diff --git a/tek/device/arranger/arranger_clip.rs b/tek/device/arranger/arranger_clip.rs
index e85e6839..8ddcc485 100644
--- a/tek/device/arranger/arranger_clip.rs
+++ b/tek/device/arranger/arranger_clip.rs
@@ -1,6 +1,5 @@
 use crate::*;
 
-#[tengri_proc::expose]
 impl MidiClip {
     fn _todo_opt_bool_stub_ (&self) -> Option<bool> { todo!() }
     fn _todo_bool_stub_ (&self) -> bool { todo!() }
diff --git a/tek/device/arranger/arranger_scenes.rs b/tek/device/arranger/arranger_scenes.rs
index 61e2841d..d8383fa3 100644
--- a/tek/device/arranger/arranger_scenes.rs
+++ b/tek/device/arranger/arranger_scenes.rs
@@ -56,7 +56,6 @@ pub trait AddScene: HasScenes + HasTracks {
     }
 }
 
-#[tengri_proc::expose]
 impl Scene {
     fn _todo_opt_bool_stub_ (&self) -> Option<bool> { todo!() }
     fn _todo_usize_stub_ (&self) -> usize { todo!() }
diff --git a/tek/device/arranger/arranger_tracks.rs b/tek/device/arranger/arranger_tracks.rs
index 3f002a11..8a293c7a 100644
--- a/tek/device/arranger/arranger_tracks.rs
+++ b/tek/device/arranger/arranger_tracks.rs
@@ -121,7 +121,6 @@ impl<T: MaybeHas<Track>> HasTrack for T {
     }
 }
 
-#[tengri_proc::expose]
 impl Track {
     fn _todo_opt_bool_stub_ (&self) -> Option<bool> { todo!() }
     fn _todo_usize_stub_ (&self) -> usize { todo!() }
diff --git a/tek/device/arranger/arranger_view.rs b/tek/device/arranger/arranger_view.rs
index dcc87a92..10114eb2 100644
--- a/tek/device/arranger/arranger_view.rs
+++ b/tek/device/arranger/arranger_view.rs
@@ -14,8 +14,8 @@ impl Arrangement {
 
     pub fn view_inputs (&self, _theme: ItemTheme) -> impl Draw<TuiOut> + Layout<TuiOut> + '_ {
         Bsp::s(self.view_inputs_header(), Thunk::new(|to: &mut TuiOut|{
-            for port in self.midi_ins().iter() {
-                to.place(&self.view_inputs_row(port))
+            for (index, port) in self.midi_ins().iter().enumerate() {
+                to.place(&Push::x(index as u16 * 10, self.view_inputs_row(port)))
             }
         }))
     }
@@ -25,12 +25,12 @@ impl Arrangement {
             Fixed::x(20, Align::w(
                 button_3("i", "nput ", format!("{}", self.midi_ins.len()), false))),
             Bsp::w(Fixed::x(4, button_2("I", "+", false)),
-                Thunk::new(|to: &mut TuiOut|for (_index, track, _x1, _x2) in self.tracks_with_sizes() {
-                    to.place(&Tui::bg(track.color.dark.rgb, Align::w(Fixed::x(track.width as u16, row!(
+                Thunk::new(|to: &mut TuiOut|for (_index, track, x1, _x2) in self.tracks_with_sizes() {
+                    to.place(&Push::x(x1 as u16, Tui::bg(track.color.dark.rgb, Align::w(Fixed::x(track.width as u16, row!(
                         Either::new(track.sequencer.monitoring, Tui::fg(Green,  "mon "), "mon "),
                         Either::new(track.sequencer.recording,  Tui::fg(Red,    "rec "), "rec "),
                         Either::new(track.sequencer.overdub,    Tui::fg(Yellow, "dub "), "dub "),
-                    )))))
+                    ))))))
                 }))))
     }
 
@@ -180,8 +180,8 @@ pub trait TracksView:
             button_2("S", "+", false));
         view_track_row_section(theme, button, button_2, Tui::bg(theme.darker.rgb,
             Fixed::y(2, Thunk::new(|to: &mut TuiOut|{
-                for (index, track, _x1, _x2) in self.tracks_with_sizes() {
-                    to.place(&Fixed::x(self.track_width(index, track),
+                for (index, track, x1, _x2) in self.tracks_with_sizes() {
+                    to.place(&Push::x(x1 as u16, Fixed::x(self.track_width(index, track),
                         Tui::bg(if selected.track() == Some(index) {
                             track.color.light.rgb
                         } else {
@@ -189,7 +189,7 @@ pub trait TracksView:
                         }, Bsp::s(Fill::x(Align::nw(Bsp::e(
                             format!("·t{index:02} "),
                             Tui::fg(Rgb(255, 255, 255), Tui::bold(true, &track.name))
-                        ))), "")))  );}}))))
+                        ))), "")))  ));}}))))
     }
     fn view_track_outputs <'a> (&'a self, theme: ItemTheme, _h: u16) -> impl Draw<TuiOut> + Layout<TuiOut> {
         view_track_row_section(theme,
@@ -288,7 +288,7 @@ pub trait ScenesView:
         };
         let a = Fill::x(Align::w(Bsp::e(format!("·s{index:02} "),
             Tui::fg(Tui::g(255), Tui::bold(true, &scene.name)))));
-        let b = When(self.selection().scene() == Some(index) && self.is_editing(),
+        let b = When::new(self.selection().scene() == Some(index) && self.is_editing(),
             Fill::xy(Align::nw(Bsp::s(
                 self.editor().as_ref().map(|e|e.clip_status()),
                 self.editor().as_ref().map(|e|e.edit_status())))));
@@ -363,7 +363,7 @@ pub trait ClipsView:
                         Tui::fg_bg(outline, bg, Fill::xy("")),
                         Fill::xy(Align::nw(Tui::fg_bg(fg, bg, Tui::bold(true, name)))),
                     ),
-                    Fill::xy(When(self.selection().track() == Some(track_index)
+                    Fill::xy(When::new(self.selection().track() == Some(track_index)
                       && self.selection().scene() == Some(scene_index)
                       && self.is_editing(), self.editor())))))));
         })
diff --git a/tek/device/browse/browse_api.rs b/tek/device/browse/browse_api.rs
index 21f78b1e..ddbb04d5 100644
--- a/tek/device/browse/browse_api.rs
+++ b/tek/device/browse/browse_api.rs
@@ -1,6 +1,5 @@
 use crate::*;
 
-#[tengri_proc::expose]
 impl Browse {
     fn _todo_stub_path_buf (&self) -> PathBuf {
         todo!()
diff --git a/tek/device/clock/clock_api.rs b/tek/device/clock/clock_api.rs
index 9235869a..faf93ace 100644
--- a/tek/device/clock/clock_api.rs
+++ b/tek/device/clock/clock_api.rs
@@ -1,6 +1,5 @@
 use crate::*;
 
-#[tengri_proc::expose]
 impl Clock {
     fn _todo_provide_u32 (&self) -> u32 {
         todo!()
diff --git a/tek/device/editor/editor_api.rs b/tek/device/editor/editor_api.rs
index 9f22a6d9..2da18f81 100644
--- a/tek/device/editor/editor_api.rs
+++ b/tek/device/editor/editor_api.rs
@@ -24,7 +24,7 @@ def_command!(MidiEditCommand: |editor: MidiEditor| {
     // TODO: 1-9 seek markers that by default start every 8th of the clip
 });
 
-#[tengri_proc::expose] impl MidiEditor {
+impl MidiEditor {
     fn _todo_opt_clip_stub (&self) -> Option<Arc<RwLock<MidiClip>>> {
         todo!()
     }
diff --git a/tek/device/pool/pool_api.rs b/tek/device/pool/pool_api.rs
index 24e435b6..001b90d9 100644
--- a/tek/device/pool/pool_api.rs
+++ b/tek/device/pool/pool_api.rs
@@ -1,6 +1,5 @@
 use crate::*;
 
-#[tengri_proc::expose]
 impl Pool {
     fn _todo_usize_ (&self) -> usize     { todo!() }
     fn _todo_bool_  (&self) -> bool      { todo!() }
diff --git a/tek/device/sampler/sampler_api.rs b/tek/device/sampler/sampler_api.rs
index f3f8ee05..b7308d36 100644
--- a/tek/device/sampler/sampler_api.rs
+++ b/tek/device/sampler/sampler_api.rs
@@ -56,7 +56,6 @@ def_command!(FileBrowserCommand: |sampler: Sampler|{
     //("filter"  [f: Arc<str>] Some(Self::Filter(f.expect("no filter")))))
 });
 
-#[tengri_proc::expose]
 impl Sampler {
     fn sample_selected (&self) -> usize {
         (self.get_note_pos() as u8).into()
diff --git a/tek/device/sampler/sampler_view.rs b/tek/device/sampler/sampler_view.rs
index 20c4ab13..b6331dbd 100644
--- a/tek/device/sampler/sampler_view.rs
+++ b/tek/device/sampler/sampler_view.rs
@@ -3,10 +3,10 @@ use crate::*;
 impl Sampler {
 
     pub fn view_grid (&self) -> impl Draw<TuiOut> + Layout<TuiOut> + use<'_> {
-        let cells_x     = 8u16;
-        let cells_y     = 8u16;
-        let cell_width  = 10u16;
-        let cell_height = 2u16;
+        //let cells_x     = 8u16;
+        //let cells_y     = 8u16;
+        //let cell_width  = 10u16;
+        //let cell_height = 2u16;
         //let width       = cells_x * cell_width;
         //let height      = cells_y * cell_height;
         //let cols = Map::east(
@@ -222,7 +222,7 @@ fn draw_viewer (sample: Option<&Arc<RwLock<Sample>>>) -> impl Draw<TuiOut> + Lay
 }
 
 fn draw_info (sample: Option<&Arc<RwLock<Sample>>>) -> impl Draw<TuiOut> + Layout<TuiOut> + use<'_> {
-    When(sample.is_some(), Thunk::new(move|to: &mut TuiOut|{
+    When::new(sample.is_some(), Thunk::new(move|to: &mut TuiOut|{
         let sample = sample.unwrap().read().unwrap();
         let theme  = sample.color;
         to.place(&row!(
diff --git a/tek/tek.edn b/tek/tek.edn
index 30849ccb..225def70 100644
--- a/tek/tek.edn
+++ b/tek/tek.edn
@@ -34,7 +34,10 @@
       (@enter confirm))
 (view :menu (bg (g 0) (bsp/s
         :ports/out
-        (bsp/n :ports/in (bg (g 30) (bsp/s (fixed/y 7 :logo) (fill/xy :dialog/menu)))))))
+        (bsp/n :ports/in (bg (g 30) (bsp/s (fixed/y 7 :logo) (fill :dialog/menu)))))))
+(view :menu (bsp/s
+  (push/y 4 (fixed/xy 20 2 (bg (g 0) :debug)))
+  (fixed 20 2 (bg (g 20) (push/x 2 :debug)))))
 (view :ports/out (fill/x (fixed/y 3 (bsp/a
         (fill/x (align/w (text L-AUDIO-OUT)))
         (bsp/a (text MIDI-OUT) (fill/x (align/e (text AUDIO-OUT-R))))))))
@@ -42,7 +45,7 @@
         (fill/x (align/w (text L-AUDIO-IN)))
         (bsp/a (text MIDI-IN) (fill/x (align/e (text AUDIO-IN-R))))))))
 (view :browse (bsp/s
-        (padding/xy 3 1 :browse-title)
+        (padding 3 1 :browse-title)
         (enclose (fg (g 96)) browser)))
 (keys :help
       (@f1 dialog :help))
@@ -84,86 +87,113 @@
       (mode :length (keys :rename)) (mode :clip (keys :clip)) (mode :track (keys :track))
       (mode :scene (keys :scene)) (mode :mix (keys :mix))
       (keys :clock :arranger :global) :arranger)
+
 (view :arranger (bsp/n
         :status
         (bsp/w :meters/output (bsp/e :meters/input :arrangement))))
+
 (view :arrangement (bsp/n
         :tracks/inputs
         (bsp/s :tracks/outputs (bsp/s :tracks/names (bsp/s :tracks/devices
-          (fill/xy (either :mode/editor (bsp/e :scenes/names :editor) :scenes)))))))
+          (fill (either :mode/editor (bsp/e :scenes/names :editor) :scenes)))))))
+
 (keys :arranger (see :color :launch :scenes :tracks)
       (@tab project/edit) (@enter project/edit)
       (@shift/I project/input/add) (@shift/O project/output/add)
       (@shift/S project/scene/add) (@shift/T project/track/add)
       (@shift/D dialog/show :dialog/device))
+
 (keys :tracks
       (@t select :select/track)
       (@left select :select/track/dec)
       (@right select :select/track/inc))
+
 (keys :scenes
       (@s select :select/scene)
       (@up select :select/scene/dec)
       (@down select :select/scene/inc))
+
 (keys :track (see :color :launch :axis/z :axis/z2 :delete)
       (@r toggle :rec)
       (@m toggle :mon)
       (@p toggle :play)
       (@P toggle :solo))
 (keys :scene (see :color :launch :axis/z :axis/z2 :delete))
+
 (keys :clip (see :color :launch :axis/z :axis/z2 :delete)
       (@l toggle :loop))
+
 (mode :groovebox (name Groovebox) (info A sequencer with built-in sampler.)
       (mode browse (keys :browse))
       (mode rename (keys :pool-rename))
       (mode length (keys :pool-length))
       (keys :clock :editor :sampler :global) (view :groovebox))
+
 (view :groovebox (bsp/w
         :meters/output
         (bsp/e :meters/input (bsp/w :groove/meta :groove/editor))))
+
 (view :groove/meta (fill/y (align/n (stack/s
         :midi-ins/status :midi-outs/status :audio-ins/status :audio-outs/status :pool))))
+
 (view :groove/editor (bsp/n
         :groove/sample
         :groove/sequence))
+
 (view :groove/sample (fixed/y :h-sample-detail (bsp/e
         (fill/y (fixed/x 20 (align/nw :sample-status)))
         :sample-viewer)))
+
 (view :groove/sequence (bsp/e
         (fill/y (align/n (bsp/s :status/v :editor-status)))
         (bsp/e :samples/keys :editor)))
+
 (mode :sampler (name Sampler) (info A sampling soundboard.)
       (keys :sampler :global) (view :sampler))
+
 (view :sampler (bsp/s
         (fixed/y 1 :transport)
-        (bsp/n (fixed/y 1 :status) (fill/xy :samples/grid))))
+        (bsp/n (fixed/y 1 :status) (fill :samples/grid))))
+
 (keys :sampler (see :sampler/directions :sampler/record :sampler/play))
+
 (keys :sampler/record
       (@r sampler/record/toggle :sample/selected) (@shift/R sampler/record/back))
+
 (keys :sampler/play
       (@p sampler/play/sample :sample/selected) (@P sampler/stop/sample :sample/selected))
+
 (keys :sampler/import-export
       (@shift/f6 dialog :dialog/export/sample) (@shift/f9 dialog :dialog/import/sample))
+
 (keys :sampler/directions
       (@up sampler/select :sample/above)
       (@down sampler/select :sample/below)
       (@left sampler/select :sample/to/left)
       (@right sampler/select :sample/to/right))
+
 (mode :sequencer (name Sequencer) (info A MIDI sequencer.)
       (mode browse (keys :browse)) (mode rename (keys :pool/rename)) (mode length (keys :pool/length))
       (keys :editor :clock :global) (view :sequencer))
+
 (view :sequencer (bsp/s
       (fixed/y 1 :transport)
-      (bsp/n (fixed/y 1 :status) (fill/xy (bsp/a (fill/xy (align/e :pool)) :editor)))))
+      (bsp/n (fixed/y 1 :status) (fill (bsp/a (fill/xy (align/e :pool)) :editor)))))
+
 (keys :editor (see :editor/view :editor/note))
+
 (keys :editor/view (see :axis/x :axis/x2 :axis/z :axis/z2)
       (@z toggle :lock))
+
 (keys :editor/note (see :axis/i :axis/i2 :axis/y :page)
       (@a editor/append :true)
       (@enter editor/append :false)
       (@del editor/delete/note)
       (@shift/del editor/delete/note))
+
 (keys :pool (see :axis-y :axis-w :axis/z2 :color :delete)
       (@n rename/begin) (@t length/begin) (@m import/begin) (@x export/begin)
       (@shift/A clip/add :after :new/clip) (@shift/D clip/add :after :cloned/clip))
+
 (keys :sequencer (see :color :launch)
       (@shift/I input/add) (@shift/O output/add))
diff --git a/tek/tek.rs b/tek/tek.rs
index 7ff10600..8f7a31c1 100644
--- a/tek/tek.rs
+++ b/tek/tek.rs
@@ -13,15 +13,11 @@
     clippy::unit_arg
 )]
 
-mod deps; pub use self::deps::*;
-
+mod deps;   pub use self::deps::*;
 mod config; pub use self::config::*;
 mod device; pub use self::device::*;
 mod engine; pub use self::engine::*;
 
-mod tek_bind; pub use self::tek_bind::*;
-mod tek_menu; pub use self::tek_menu::*;
-
 #[cfg(test)] mod test;
 
 /// Total state
@@ -76,21 +72,19 @@ audio!(
     |self, event|{
         use JackEvent::*;
         match event {
-            SampleRate(sr) => {
-                self.clock().timebase.sr.set(sr as f64);
-            },
-            PortRegistration(id, true) => {
+            SampleRate(sr) => { self.clock().timebase.sr.set(sr as f64); },
+            PortRegistration(_id, true) => {
                 //let port = self.jack().port_by_id(id);
                 //println!("\rport add: {id} {port:?}");
                 //println!("\rport add: {id}");
             },
-            PortRegistration(id, false) => {
+            PortRegistration(_id, false) => {
                 /*println!("\rport del: {id}")*/
             },
-            PortsConnected(a, b, true) => { /*println!("\rport conn: {a} {b}")*/ },
-            PortsConnected(a, b, false) => { /*println!("\rport disc: {a} {b}")*/ },
-            ClientRegistration(id, true) => {},
-            ClientRegistration(id, false) => {},
+            PortsConnected(_a, _b, true) => { /*println!("\rport conn: {a} {b}")*/ },
+            PortsConnected(_a, _b, false) => { /*println!("\rport disc: {a} {b}")*/ },
+            ClientRegistration(_id, true) => {},
+            ClientRegistration(_id, false) => {},
             ThreadInit => {},
             XRun => {},
             GraphReorder => {},
@@ -99,13 +93,144 @@ audio!(
     }
 );
 
+tui_draw!(|self: App, to|to.place(&self.content()));
+content!(TuiOut: |self: App|Thunk::new(|to: &mut TuiOut|{
+    for (index, dsl) in self.mode.view.iter().enumerate() {
+        self.view(to, dsl).unwrap_or_else(|e|panic!("render #{index} failed ({e}): {dsl}"));
+    }
+}));
+impl View<TuiOut, ()> for App {
+    fn view_expr <'a> (&'a self, to: &mut TuiOut, expr: &'a impl DslExpr) -> Usually<()> {
+        if evaluate_output_expression(self, to, expr)?
+        || evaluate_output_expression_tui(self, to, expr)? {
+            Ok(())
+        } else {
+            Err(format!("App::view_expr: unexpected: {expr:?}").into())
+        }
+    }
+    fn view_word <'a> (&'a self, to: &mut TuiOut, dsl: &'a impl DslExpr) -> Usually<()> {
+        let mut frags = dsl.src()?.unwrap().split("/");
+        match frags.next() {
+            Some(":logo")   => to.place(&view_logo()),
+            Some(":status") => to.place(&Fixed::y(1, "TODO: Status Bar")),
+            Some(":meters") => match frags.next() {
+                Some("input")  => to.place(&Tui::bg(Rgb(30, 30, 30), Fill::y(Align::s("Input Meters")))),
+                Some("output") => to.place(&Tui::bg(Rgb(30, 30, 30), Fill::y(Align::s("Output Meters")))),
+                _ => panic!()
+            },
+            Some(":tracks") => match frags.next() {
+                None            => to.place(&"TODO tracks"),
+                Some("names")   => to.place(&self.project.view_track_names(self.color.clone())),//Tui::bg(Rgb(40, 40, 40), Fill::x(Align::w("Track Names")))),
+                Some("inputs")  => to.place(&Tui::bg(Rgb(40, 40, 40), Fill::x(Align::w("Track Inputs")))),
+                Some("devices") => to.place(&Tui::bg(Rgb(40, 40, 40), Fill::x(Align::w("Track Devices")))),
+                Some("outputs") => to.place(&Tui::bg(Rgb(40, 40, 40), Fill::x(Align::w("Track Outputs")))),
+                _ => panic!()
+            },
+            Some(":scenes") => match frags.next() {
+                None                  => to.place(&"TODO scenes"),
+                Some(":scenes/names") => to.place(&"TODO Scene Names"),
+                _ => panic!()
+            },
+            Some(":editor") => to.place(&"TODO Editor"),
+            Some(":dialog") => match frags.next() {
+                Some("menu") => to.place(&if let Dialog::Menu(selected, items) = &self.dialog {
+                    let items = items.clone();
+                    let selected = selected;
+                    Some(Fill::xy(Thunk::new(move|to: &mut TuiOut|{
+                        for (index, MenuItem(item, _)) in items.0.iter().enumerate() {
+                            to.place(&Push::y((2 * index) as u16,
+                                Tui::fg_bg(
+                                    if *selected == index { Rgb(240,200,180) } else { Rgb(200, 200, 200) },
+                                    if *selected == index { Rgb(80, 80, 50)  } else { Rgb(30,  30,  30)  },
+                                    Fixed::y(2, Align::n(Fill::x(item)))
+                                )));
+                        }
+                    })))
+                } else {
+                    None
+                }),
+                _ => unimplemented!("App::view_word: {dsl:?} ({frags:?})"),
+            },
+            Some(":templates") => to.place(&{
+                let modes  = self.config.modes.clone();
+                let height = (modes.read().unwrap().len() * 2) as u16;
+                Fixed::y(height, Min::x(30, Thunk::new(move |to: &mut TuiOut|{
+                    for (index, (id, profile)) in modes.read().unwrap().iter().enumerate() {
+                        let bg         = if index == 0 { Rgb(70,70,70) } else { Rgb(50,50,50) };
+                        let name       = profile.name.get(0).map(|x|x.as_ref()).unwrap_or("<no name>");
+                        let info       = profile.info.get(0).map(|x|x.as_ref()).unwrap_or("<no info>");
+                        let fg1        = Rgb(224, 192, 128);
+                        let fg2        = Rgb(224, 128,  32);
+                        let field_name = Fill::x(Align::w(Tui::fg(fg1, name)));
+                        let field_id   = Fill::x(Align::e(Tui::fg(fg2, id)));
+                        let field_info = Fill::x(Align::w(info));
+                        to.place(&Push::y((2 * index) as u16,
+                            Fixed::y(2, Fill::x(Tui::bg(bg, Bsp::s(
+                                Bsp::a(field_name, field_id), field_info))))));
+                    }
+                })))
+            }),
+            Some(":sessions") => to.place(&Fixed::y(6, Min::x(30, Thunk::new(|to: &mut TuiOut|{
+                let fg = Rgb(224, 192, 128);
+                for (index, name) in ["session1", "session2", "session3"].iter().enumerate() {
+                    let bg = if index == 0 { Rgb(50,50,50) } else { Rgb(40,40,40) };
+                    to.place(&Push::y((2 * index) as u16,
+                        &Fixed::y(2, Fill::x(Tui::bg(bg, Align::w(Tui::fg(fg, name)))))));
+                }
+            })))),
+            Some(":browse/title") => to.place(&Fill::x(Align::w(FieldV(Default::default(),
+                match self.dialog.browser_target().unwrap() {
+                   BrowseTarget::SaveProject     => "Save project:",
+                   BrowseTarget::LoadProject     => "Load project:",
+                   BrowseTarget::ImportSample(_) => "Import sample:",
+                   BrowseTarget::ExportSample(_) => "Export sample:",
+                   BrowseTarget::ImportClip(_)   => "Import clip:",
+                   BrowseTarget::ExportClip(_)   => "Export clip:",
+                }, Shrink::x(3, Fixed::y(1, Tui::fg(Tui::g(96), RepeatH("🭻")))))))),
+            Some(":device") => {
+                let selected = self.dialog.device_kind().unwrap();
+                to.place(&Bsp::s(Tui::bold(true, "Add device"), Map::south(1,
+                    move||device_kinds().iter(),
+                    move|_label: &&'static str, i|{
+                        let bg = if i == selected { Rgb(64,128,32) } else { Rgb(0,0,0) };
+                        let lb = if i == selected { "[ " } else { "  " };
+                        let rb = if i == selected { " ]" } else { "  " };
+                        Fill::x(Tui::bg(bg, Bsp::e(lb, Bsp::w(rb, "FIXME device name")))) })))
+            },
+            Some(":debug") => to.place(&Fixed::y(1, format!("[{:?}]", to.area()))),
+            Some(_) => {
+                let views = self.config.views.read().unwrap();
+                if let Some(dsl) = views.get(dsl.src()?.unwrap()) {
+                    let dsl = dsl.clone();
+                    std::mem::drop(views);
+                    self.view(to, &dsl)?
+                } else {
+                    unimplemented!("{dsl:?}");
+                }
+            },
+            _ => unreachable!()
+        }
+        Ok(())
+    }
+}
+fn view_logo () -> impl Draw<TuiOut> + Layout<TuiOut> {
+    Fixed::xy(32, 7, Tui::bold(true, Tui::fg(Rgb(240,200,180), col!{
+        Fixed::y(1, ""),
+        Fixed::y(1, ""),
+        Fixed::y(1, "~~ ╓─╥─╖ ╓──╖ ╥  ╖ ~~~~~~~~~~~~"),
+        Fixed::y(1, Bsp::e("~~~~ ║ ~ ╟─╌ ~╟─<  ~~ ", Bsp::e(Tui::fg(Rgb(230,100,40), "v0.3.0"), " ~~"))),
+        Fixed::y(1, "~~~~ ╨ ~ ╙──╜ ╨  ╜ ~~~~~~~~~~~~"),
+    })))
+}
+
+// Allow source to be read as Literal string
 dsl_ns!(App: Arc<str> {
     literal = |dsl|Ok(dsl.src()?.map(|x|x.into()));
 });
 
-dsl_ns!(App: ItemTheme {});
-
+// Provide boolean values.
 dsl_ns!(App: bool {
+    // TODO literal = ...
     word = |app| {
         ":mode/editor"         => app.project.editor.is_some(),
         ":focused/dialog"      => !matches!(app.dialog, Dialog::None),
@@ -127,6 +252,9 @@ dsl_ns!(App: bool {
     };
 });
 
+// TODO: provide colors here
+dsl_ns!(App: ItemTheme {});
+
 dsl_ns!(App: Dialog {
     word = |app| {
         ":dialog/none"          => Dialog::None,
@@ -239,10 +367,6 @@ dsl_ns!(App: isize {
     });
 });
 
-impl HasClipsSize for App { fn clips_size (&self) -> &Measure<TuiOut> { &self.project.inner_size } }
-impl HasTrackScroll for App { fn track_scroll (&self) -> usize { self.project.track_scroll() } }
-impl HasSceneScroll for App { fn scene_scroll (&self) -> usize { self.project.scene_scroll() } }
-impl HasJack<'static> for App { fn jack (&self) -> &Jack<'static> { &self.jack } }
 has!(Jack<'static>:      |self: App|self.jack);
 has!(Pool:               |self: App|self.pool);
 has!(Dialog:             |self: App|self.dialog);
@@ -260,280 +384,24 @@ maybe_has!(Track: |self: App| { MaybeHas::<Track>::get(&self.project) };
 maybe_has!(Scene: |self: App| { MaybeHas::<Scene>::get(&self.project) };
                               { MaybeHas::<Scene>::get_mut(&mut self.project) });
 
+impl HasClipsSize for App {
+    fn clips_size   (&self) -> &Measure<TuiOut> { &self.project.inner_size }
+}
+impl HasTrackScroll for App {
+    fn track_scroll (&self) -> usize { self.project.track_scroll() }
+}
+impl HasSceneScroll for App {
+    fn scene_scroll (&self) -> usize { self.project.scene_scroll() }
+}
+impl HasJack<'static> for App {
+    fn jack         (&self) -> &Jack<'static> { &self.jack }
+}
 impl ScenesView for App {
-    fn w_side   (&self) -> u16 { 20 }
-    fn w_mid    (&self) -> u16 { (self.width() as u16).saturating_sub(self.w_side()) }
-    fn h_scenes (&self) -> u16 { (self.height() as u16).saturating_sub(20) }
+    fn w_side       (&self) -> u16 { 20 }
+    fn w_mid        (&self) -> u16 { (self.width() as u16).saturating_sub(self.w_side()) }
+    fn h_scenes     (&self) -> u16 { (self.height() as u16).saturating_sub(20) }
 }
 
-impl Draw<TuiOut> for App {
-    fn draw (&self, to: &mut TuiOut) {
-        for (index, dsl) in self.mode.view.iter().enumerate() {
-            to.place(&Align::nw(Push::y(1 + index as u16 * 2, dsl.src().unwrap())));
-            //let _ = self.view(to, dsl).expect("render failed");
-        }
-    }
-}
-
-impl App {
-
-    fn view <'a> (&'a self, to: &mut TuiOut, dsl: impl Dsl + 'a) -> Usually<()> {
-        if let Ok(Some(expr)) = dsl.expr() {
-            self.view_expr(to, expr)
-        } else if let Ok(Some(word)) = dsl.word() {
-            self.view_word(to, word)
-        } else {
-            panic!("{dsl:?}: invalid")
-        }
-    }
-
-    fn view_expr <'a> (&'a self, to: &mut TuiOut, expr: impl DslExpr + 'a) -> Usually<()> {
-        let head = expr.head()?; let args  = expr.tail();
-        let mut frags = head.src()?.unwrap_or_default().split("/");
-        let arg0 = args.head();  let tail0 = args.tail();
-        let arg1 = tail0.head(); let tail1 = tail0.tail();
-        let arg2 = tail1.head(); let tail2 = tail1.tail();
-        let arg3 = tail2.head(); let tail3 = tail2.tail();
-        match frags.next() {
-
-            Some("text") => to.place(&frags.next()),
-
-            Some("when") => to.place(&When::new(
-                self.from(arg0?)?.unwrap(),
-                Thunk::new(move|to: &mut TuiOut|self.view(to, arg1).unwrap())
-            )),
-
-            Some("either") => to.place(&Either::new(
-                self.from(arg0?)?.unwrap(),
-                Thunk::new(move|to: &mut TuiOut|self.view(to, arg1).unwrap()),
-                Thunk::new(move|to: &mut TuiOut|self.view(to, arg2).unwrap())
-            )),
-
-            Some("fg") => {
-                let arg0 = arg0?.expect("fg: expected arg 0 (color)");
-                to.place(&Tui::fg(
-                    DslNs::<Color>::from(self, arg0)?.unwrap_or_else(||panic!("fg: {arg0:?}: not a color")),
-                    Thunk::new(move|to: &mut TuiOut|self.view(to, arg1).unwrap()),
-                ))
-            },
-
-            Some("bg") => {
-                let arg0 = arg0?.expect("bg: expected arg 0 (color)");
-                to.place(&Tui::bg(
-                    DslNs::<Color>::from(self, arg0)?.unwrap_or_else(||panic!("bg: {arg0:?}: not a color")),
-                    Thunk::new(move|to: &mut TuiOut|self.view(to, arg1).unwrap()),
-                ))
-            },
-
-            Some("bsp") => to.place(&{
-                let a = Thunk::new(move|to: &mut TuiOut|self.view(to, arg0).unwrap());
-                let b = Thunk::new(move|to: &mut TuiOut|self.view(to, arg1).unwrap());
-                match frags.next() {
-                    Some("n") => Bsp::n(a, b),
-                    Some("s") => Bsp::s(a, b),
-                    Some("e") => Bsp::e(a, b),
-                    Some("w") => Bsp::w(a, b),
-                    Some("a") => Bsp::a(a, b),
-                    Some("b") => Bsp::b(a, b),
-                    frag => unimplemented!("bsp/{frag:?}")
-                }
-            }),
-
-            Some("align")  => to.place(&{
-                let a = Thunk::new(move|to: &mut TuiOut|self.view(to, arg0).unwrap());
-                match frags.next() {
-                    Some("n")  => Align::n(a),
-                    Some("s")  => Align::s(a),
-                    Some("e")  => Align::e(a),
-                    Some("w")  => Align::w(a),
-                    Some("x")  => Align::x(a),
-                    Some("y")  => Align::y(a),
-                    Some("c")  => Align::c(a),
-                    frag => unimplemented!("align/{frag:?}")
-                }
-            }),
-
-            Some("fill")   => to.place(&{
-                let a = Thunk::new(move|to: &mut TuiOut|self.view(to, arg0).unwrap());
-                match frags.next() {
-                    Some("x")  => Fill::X(a),
-                    Some("y")  => Fill::Y(a),
-                    Some("xy") => Fill::XY(a),
-                    frag => unimplemented!("fill/{frag:?}")
-                }
-            }),
-
-            Some("fixed")  => to.place(&{
-                let axis = frags.next();
-                let arg  = match axis { Some("x") | Some("y") => arg1, Some("xy") => arg2, _ => panic!() };
-                let cb   = Thunk::new(move|to: &mut TuiOut|self.view(to, arg).unwrap());
-                match axis {
-                    Some("x")  => Fixed::X(self.from(arg0?)?.unwrap(), cb),
-                    Some("y")  => Fixed::Y(self.from(arg0?)?.unwrap(), cb),
-                    Some("xy") => Fixed::XY(self.from(arg0?)?.unwrap(), self.from(arg1?)?.unwrap(), cb),
-                    frag => unimplemented!("fixed/{frag:?} ({expr:?}) ({head:?}) ({:?})",
-                        head.src()?.unwrap_or_default().split("/").next())
-                }
-            }),
-
-            Some("min")  => to.place(&{
-                let c = match frags.next() {
-                    Some("x") | Some("y") => arg1, Some("xy") => arg2, _ => panic!()
-                };
-                let cb = Thunk::new(move|to: &mut TuiOut|self.view(to, c).unwrap());
-                match frags.next() {
-                    Some("x")  => Min::X(self.from(arg0?)?.unwrap(), cb),
-                    Some("y")  => Min::Y(self.from(arg0?)?.unwrap(), cb),
-                    Some("xy") => Min::XY(self.from(arg0?)?.unwrap(), self.from(arg1?)?.unwrap(), cb),
-                    frag => unimplemented!("min/{frag:?}")
-                }
-            }),
-
-            Some("max")  => to.place(&{
-                let c = match frags.next() {
-                    Some("x") | Some("y") => arg1, Some("xy") => arg2, _ => panic!()
-                };
-                let cb = Thunk::new(move|to: &mut TuiOut|self.view(to, c).unwrap());
-                match frags.next() {
-                    Some("x")  => Max::X(self.from(arg0?)?.unwrap(), cb),
-                    Some("y")  => Max::Y(self.from(arg0?)?.unwrap(), cb),
-                    Some("xy") => Max::XY(self.from(arg0?)?.unwrap(), self.from(arg1?)?.unwrap(), cb),
-                    frag => unimplemented!("max/{frag:?}")
-                }
-            }),
-
-            _ => panic!("unexpected: {expr:?}")
-
-        };
-        Ok(())
-    }
-
-    fn view_word <'a> (&'a self, to: &mut TuiOut, dsl: impl DslExpr + 'a) -> Usually<()> {
-        let mut frags = dsl.src()?.unwrap().split("/");
-        match frags.next() {
-
-            Some(":logo") => to.place(&Fixed::xy(32, 7, Tui::bold(true, Tui::fg(Rgb(240,200,180), col!{
-                Fixed::y(1, ""),
-                Fixed::y(1, ""),
-                Fixed::y(1, "~~ ╓─╥─╖ ╓──╖ ╥  ╖ ~~~~~~~~~~~~"),
-                Fixed::y(1, Bsp::e("~~~~ ║ ~ ╟─╌ ~╟─<  ~~ ", Bsp::e(Tui::fg(Rgb(230,100,40), "v0.3.0"), " ~~"))),
-                Fixed::y(1, "~~~~ ╨ ~ ╙──╜ ╨  ╜ ~~~~~~~~~~~~"),
-            })))),
-
-            Some(":status") => to.place(&"TODO: Status Bar"),
-
-            Some(":meters") => match frags.next() {
-                Some("input")  => to.place(&Tui::bg(Rgb(30, 30, 30), Fill::y(Align::s("Input Meters")))),
-                Some("output") => to.place(&Tui::bg(Rgb(30, 30, 30), Fill::y(Align::s("Output Meters")))),
-                _ => panic!()
-            },
-
-            Some(":tracks") => match frags.next() {
-                None            => to.place(&"TODO tracks"),
-                Some("names")   => to.place(&self.project.view_track_names(self.color.clone())),//Tui::bg(Rgb(40, 40, 40), Fill::x(Align::w("Track Names")))),
-                Some("names")   => to.place(&self.project.view_track_names(self.color.clone())),//Tui::bg(Rgb(40, 40, 40), Fill::x(Align::w("Track Names")))),
-                Some("inputs")  => to.place(&Tui::bg(Rgb(40, 40, 40), Fill::x(Align::w("Track Inputs")))),
-                Some("devices") => to.place(&Tui::bg(Rgb(40, 40, 40), Fill::x(Align::w("Track Devices")))),
-                Some("outputs") => to.place(&Tui::bg(Rgb(40, 40, 40), Fill::x(Align::w("Track Outputs")))),
-                _ => panic!()
-            },
-
-            Some(":scenes") => match frags.next() {
-                None                  => to.place(&"TODO scenes"),
-                Some(":scenes/names") => to.place(&"TODO Scene Names"),
-                _ => panic!()
-            },
-
-            Some(":editor") => to.place(&"TODO Editor"),
-
-            Some(":dialog") => match frags.next() {
-                Some("menu") => to.place(&if let Dialog::Menu(selected, items) = &self.dialog {
-                    let items = items.clone();
-                    let selected = selected;
-                    Some(Fill::xy(Thunk::new(move|to: &mut TuiOut|{
-                        for (index, MenuItem(item, _)) in items.0.iter().enumerate() {
-                            to.place(&Push::y((2 * index) as u16,
-                                Tui::fg_bg(
-                                    if *selected == index { Rgb(240,200,180) } else { Rgb(200, 200, 200) },
-                                    if *selected == index { Rgb(80, 80, 50)  } else { Rgb(30,  30,  30)  },
-                                    Fixed::y(2, Align::n(Fill::x(item)))
-                                )));
-                        }
-                    })))
-                } else {
-                    None
-                }),
-                _ => unimplemented!("App::view_word: {dsl:?} ({frags:?})"),
-            },
-
-            Some(":templates") => to.place(&{
-                let modes  = self.config.modes.clone();
-                let height = (modes.read().unwrap().len() * 2) as u16;
-                Fixed::y(height, Min::x(30, Thunk::new(move |to: &mut TuiOut|{
-                    for (index, (id, profile)) in modes.read().unwrap().iter().enumerate() {
-                        let bg         = if index == 0 { Rgb(70,70,70) } else { Rgb(50,50,50) };
-                        let name       = profile.name.get(0).map(|x|x.as_ref()).unwrap_or("<no name>");
-                        let info       = profile.info.get(0).map(|x|x.as_ref()).unwrap_or("<no info>");
-                        let fg1        = Rgb(224, 192, 128);
-                        let fg2        = Rgb(224, 128,  32);
-                        let field_name = Fill::x(Align::w(Tui::fg(fg1, name)));
-                        let field_id   = Fill::x(Align::e(Tui::fg(fg2, id)));
-                        let field_info = Fill::x(Align::w(info));
-                        to.place(&Push::y((2 * index) as u16,
-                            Fixed::y(2, Fill::x(Tui::bg(bg, Bsp::s(
-                                Bsp::a(field_name, field_id), field_info))))));
-                    }
-                })))
-            }),
-
-            Some(":sessions") => to.place(&Fixed::y(6, Min::x(30, Thunk::new(|to: &mut TuiOut|{
-                let fg = Rgb(224, 192, 128);
-                for (index, name) in ["session1", "session2", "session3"].iter().enumerate() {
-                    let bg = if index == 0 { Rgb(50,50,50) } else { Rgb(40,40,40) };
-                    to.place(&Push::y((2 * index) as u16,
-                        &Fixed::y(2, Fill::x(Tui::bg(bg, Align::w(Tui::fg(fg, name)))))));
-                }
-            })))),
-
-            Some(":browse/title") => to.place(&Fill::x(Align::w(FieldV(Default::default(),
-                match self.dialog.browser_target().unwrap() {
-                   BrowseTarget::SaveProject     => "Save project:",
-                   BrowseTarget::LoadProject     => "Load project:",
-                   BrowseTarget::ImportSample(_) => "Import sample:",
-                   BrowseTarget::ExportSample(_) => "Export sample:",
-                   BrowseTarget::ImportClip(_)   => "Import clip:",
-                   BrowseTarget::ExportClip(_)   => "Export clip:",
-                }, Shrink::x(3, Fixed::y(1, Tui::fg(Tui::g(96), RepeatH("🭻")))))))),
-
-            Some(":device") => {
-                let selected = self.dialog.device_kind().unwrap();
-                to.place(&Bsp::s(Tui::bold(true, "Add device"), Map::south(1,
-                    move||device_kinds().iter(),
-                    move|label: &&'static str, i|{
-                        let bg = if i == selected { Rgb(64,128,32) } else { Rgb(0,0,0) };
-                        let lb = if i == selected { "[ " } else { "  " };
-                        let rb = if i == selected { " ]" } else { "  " };
-                        Fill::x(Tui::bg(bg, Bsp::e(lb, Bsp::w(rb, "FIXME device name")))) })))
-            },
-
-            Some(_) => {
-                let views = self.config.views.read().unwrap();
-                if let Some(dsl) = views.get(dsl.src()?.unwrap()) {
-                    let dsl = dsl.clone();
-                    std::mem::drop(views);
-                    self.view(to, dsl)?
-                } else {
-                    unimplemented!("{dsl:?}");
-                }
-            },
-
-            _ => unreachable!()
-
-        }
-        Ok(())
-    }
-
-}
 
 impl App {
 
@@ -627,6 +495,323 @@ impl App {
     }
 }
 
+/// Various possible dialog modes.
+#[derive(Debug, Clone, Default, PartialEq)]
+pub enum Dialog {
+    #[default] None,
+    Help(usize),
+    Menu(usize, MenuItems),
+    Device(usize),
+    Message(Arc<str>),
+    Browse(BrowseTarget, Arc<Browse>),
+    Options,
+}
+
+#[derive(Debug, Clone, Default, PartialEq)]
+pub struct MenuItems(pub Arc<[MenuItem]>);
+
+impl AsRef<Arc<[MenuItem]>> for MenuItems {
+    fn as_ref (&self) -> &Arc<[MenuItem]> {
+        &self.0
+    }
+}
+
+#[derive(Clone)]
+pub struct MenuItem(
+    /// Label
+    pub Arc<str>,
+    /// Callback
+    pub Arc<Box<dyn Fn(&mut App)->Usually<()> + Send + Sync>>
+);
+
+impl Default for MenuItem {
+    fn default () -> Self { Self("".into(), Arc::new(Box::new(|_|Ok(())))) }
+}
+
+impl_debug!(MenuItem |self, w| { write!(w, "{}", &self.0) });
+
+impl PartialEq for MenuItem {
+    fn eq (&self, other: &Self) -> bool {
+        self.0 == other.0
+    }
+}
+
+impl Dialog {
+    pub fn welcome () -> Self {
+        Self::Menu(1, MenuItems([
+            MenuItem("Resume session".into(),     Arc::new(Box::new(|_|Ok(())))),
+            MenuItem("Create new session".into(), Arc::new(Box::new(|app|Ok({
+                app.dialog = Dialog::None;
+                app.mode = app.config.modes.clone().read().unwrap().get(":arranger").cloned().unwrap();
+            })))),
+            MenuItem("Load old session".into(),   Arc::new(Box::new(|_|Ok(())))),
+        ].into()))
+    }
+    pub fn menu_next (&self) -> Self {
+        match self {
+            Self::Menu(index, items) => Self::Menu(wrap_inc(*index, items.0.len()), items.clone()),
+            _ => Self::None
+        }
+    }
+    pub fn menu_prev (&self) -> Self {
+        match self {
+            Self::Menu(index, items) => Self::Menu(wrap_dec(*index, items.0.len()), items.clone()),
+            _ => Self::None
+        }
+    }
+    pub fn menu_selected (&self) -> Option<usize> {
+        if let Self::Menu(selected, _) = self { Some(*selected) } else { None }
+    }
+    pub fn device_kind (&self) -> Option<usize> {
+        if let Self::Device(index) = self { Some(*index) } else { None }
+    }
+    pub fn device_kind_next (&self) -> Option<usize> {
+        self.device_kind().map(|index|(index + 1) % device_kinds().len())
+    }
+    pub fn device_kind_prev (&self) -> Option<usize> {
+        self.device_kind().map(|index|index.overflowing_sub(1).0.min(device_kinds().len().saturating_sub(1)))
+    }
+    pub fn message (&self) -> Option<&str> {
+        todo!()
+    }
+    pub fn browser (&self) -> Option<&Arc<Browse>> {
+        todo!()
+    }
+    pub fn browser_target (&self) -> Option<&BrowseTarget> {
+        todo!()
+    }
+}
+
+handle!(TuiIn:|self: App, input|{
+    let mut commands = vec![];
+    for id in self.mode.keys.iter() {
+        if let Some(event_map) = self.config.binds.clone().read().unwrap().get(id.as_ref()) {
+            if let Some(bindings) = event_map.query(input.event()) {
+                for binding in bindings {
+                    for command in binding.commands.iter() {
+                        if let Some(command) = self.from(command)? as Option<AppCommand> {
+                            commands.push(command)
+                        }
+                    }
+                }
+            }
+        }
+    }
+    for command in commands.into_iter() {
+        let result = command.execute(self);
+        match result {
+            Ok(undo) => {
+                self.history.push((command, undo));
+            },
+            Err(e) => {
+                self.history.push((command, None));
+                return Err(e)
+            }
+        }
+    }
+    Ok(None)
+});
+
+#[derive(Debug, Copy, Clone)]
+pub enum Axis { X, Y, Z, I }
+
+impl<'a> DslNs<'a, AppCommand> for App {}
+impl<'a> DslNsExprs<'a, AppCommand> for App {}
+impl<'a> DslNsWords<'a, AppCommand> for App {
+    dsl_words!('a |app| -> AppCommand {
+        "x/inc" => AppCommand::Inc { axis: Axis::X },
+        "x/dec" => AppCommand::Dec { axis: Axis::X },
+        "y/inc" => AppCommand::Inc { axis: Axis::Y },
+        "y/dec" => AppCommand::Dec { axis: Axis::Y },
+        "confirm" => AppCommand::Confirm,
+        "cancel"  => AppCommand::Cancel,
+    });
+}
+
+impl Default for AppCommand { fn default () -> Self { Self::Nop } }
+
+def_command!(AppCommand: |app: App| {
+    Nop => Ok(None),
+    Confirm => Ok(match &app.dialog {
+        Dialog::Menu(index, items) => {
+            let callback = items.0[*index].1.clone();
+            callback(app)?;
+            None
+        },
+        _ => todo!(),
+    }),
+    Cancel => todo!(),                                               // TODO delegate:
+    Inc { axis: Axis } => Ok(match (&app.dialog, axis) {
+        (Dialog::None, _) => todo!(),
+        (Dialog::Menu(_, _), Axis::Y) => AppCommand::SetDialog { dialog: app.dialog.menu_next() }
+            .execute(app)?,
+        _ => todo!()
+    }),
+    Dec { axis: Axis } => Ok(match (&app.dialog, axis) {
+        (Dialog::None, _) => None,
+        (Dialog::Menu(_, _), Axis::Y) => AppCommand::SetDialog { dialog: app.dialog.menu_prev() }
+            .execute(app)?,
+        _ => todo!()
+    }),
+    SetDialog { dialog: Dialog } => {
+        swap_value(&mut app.dialog, dialog, |dialog|Self::SetDialog { dialog })
+    },
+});
+
+pub fn wrap_inc (index: usize, count: usize) -> usize {
+    if count > 0 { (index + 1) % count } else { 0 }
+}
+
+pub fn wrap_dec (index: usize, count: usize) -> usize {
+    if count > 0 { index.overflowing_sub(1).0.min(count.saturating_sub(1)) } else { 0 }
+}
+
+impl Dialog {
+}
+
+    //AppCommand => {
+        //("x/inc" /
+        //("stop-all") => todo!(),//app.project.stop_all(),
+        //("enqueue", clip: Option<Arc<RwLock<MidiClip>>>) => todo!(),
+        //("history", delta: isize) => todo!(),
+        //("zoom", zoom: usize) => todo!(),
+        //("select", selection: Selection) => todo!(),
+        //("dialog"  / command: DialogCommand) => todo!(),
+        //("project" / command: ArrangementCommand) => todo!(),
+        //("clock" / command: ClockCommand) => todo!(),
+        //("sampler" / command: SamplerCommand) => todo!(),
+        //("pool" / command: PoolCommand) => todo!(),
+        //("edit" / editor:  MidiEditCommand) => todo!(),
+    //};
+
+    //DialogCommand;
+
+    //ArrangementCommand;
+
+    //ClockCommand;
+
+    //SamplerCommand;
+
+    //PoolCommand;
+
+    //MidiEditCommand;
+
+
+//take!(DialogCommand      |state: App, iter|Take::take(&state.dialog, iter));
+//#[derive(Clone, Debug)]
+//pub enum DialogCommand {
+    //Open { dialog: Dialog },
+    //Close
+//}
+
+//impl Command<Option<Dialog>> for DialogCommand {
+    //fn execute (self, state: &mut Option<Dialog>) -> Perhaps<Self> {
+        //match self {
+            //Self::Open { dialog } => {
+                //*state = Some(dialog);
+            //},
+            //Self::Close => {
+                //*state = None;
+            //}
+        //};
+        //Ok(None)
+    //}
+//}
+
+//dsl!(DialogCommand: |self: Dialog, iter|todo!());
+//Dsl::take(&mut self.dialog, iter));
+
+//#[tengri_proc::command(Option<Dialog>)]//Nope.
+//impl DialogCommand {
+    //fn open (dialog: &mut Option<Dialog>, new: Dialog) -> Perhaps<Self> {
+        //*dialog = Some(new);
+        //Ok(None)
+    //}
+    //fn close (dialog: &mut Option<Dialog>) -> Perhaps<Self> {
+        //*dialog = None;
+        //Ok(None)
+    //}
+//}
+//
+//dsl_bind!(AppCommand: App {
+    //enqueue  = |app, clip:  Option<Arc<RwLock<MidiClip>>>| { todo!() };
+    //history  = |app, delta: isize| { todo!() };
+    //zoom     = |app, zoom:  usize| { todo!() };
+    //stop_all = |app| { app.tracks_stop_all(); Ok(None) };
+    ////dialog   = |app, command: DialogCommand|
+        ////Ok(command.delegate(&mut app.dialog, |c|Self::Dialog{command: c})?);
+    //project  = |app, command: ArrangementCommand|
+        //Ok(command.delegate(&mut app.project, |c|Self::Project{command: c})?);
+    //clock    = |app, command: ClockCommand|
+        //Ok(command.execute(app.clock_mut())?.map(|c|Self::Clock{command: c}));
+    //sampler  = |app, command: SamplerCommand|
+        //Ok(app.project.sampler_mut().map(|s|command.delegate(s, |command|Self::Sampler{command}))
+            //.transpose()?.flatten());
+    //pool     = |app, command: PoolCommand| {
+        //let undo = command.clone().delegate(&mut app.pool, |command|AppCommand::Pool{command})?;
+        //// update linked editor after pool action
+        //match command {
+            //// autoselect: automatically load selected clip in editor
+            //PoolCommand::Select { .. } |
+            //// autocolor: update color in all places simultaneously
+            //PoolCommand::Clip { command: PoolClipCommand::SetColor { .. } } => {
+                //let clip = app.pool.clip().clone();
+                //app.editor_mut().map(|editor|editor.set_clip(clip.as_ref()))
+            //},
+            //_ => None
+        //};
+        //Ok(undo)
+    //};
+    //select   = |app, selection: Selection| {
+        //*app.project.selection_mut() = selection;
+        ////todo!
+        ////if let Some(ref mut editor) = app.editor_mut() {
+            ////editor.set_clip(match selection {
+                ////Selection::TrackClip { track, scene } if let Some(Some(Some(clip))) = app
+                    ////.project
+                    ////.scenes.get(scene)
+                    ////.map(|s|s.clips.get(track))
+                ////=>
+                    ////Some(clip),
+                ////_ =>
+                    ////None
+            ////});
+        ////}
+        //Ok(None)
+        ////("select"  [t: usize, s: usize] Some(match (t.expect("no track"), s.expect("no scene")) {
+            ////(0, 0) => Self::Select(Selection::Mix),
+            ////(t, 0) => Self::Select(Selection::Track(t)),
+            ////(0, s) => Self::Select(Selection::Scene(s)),
+            ////(t, s) => Self::Select(Selection::TrackClip { track: t, scene: s }) })))
+        //// autoedit: load focused clip in editor.
+    //};
+    ////fn color (app: &mut App, theme: ItemTheme) -> Perhaps<Self> {
+        ////Ok(app.set_color(Some(theme)).map(|theme|Self::Color{theme}))
+    ////}
+    ////fn launch (app: &mut App) -> Perhaps<Self> {
+        ////app.project.launch();
+        ////Ok(None)
+    ////}
+    //toggle_editor = |app, value: bool|{ app.toggle_editor(Some(value)); Ok(None) };
+    //editor = |app, command: MidiEditCommand| Ok(if let Some(editor) = app.editor_mut() {
+        //let undo = command.clone().delegate(editor, |command|AppCommand::Editor{command})?;
+        //// update linked sampler after editor action
+        //app.project.sampler_mut().map(|sampler|match command {
+            //// autoselect: automatically select sample in sampler
+            //MidiEditCommand::SetNotePos { pos } => { sampler.set_note_pos(pos); },
+            //_ => {}
+        //});
+        //undo
+    //} else {
+        //None
+    //});
+//});
+//take!(ClockCommand       |state: App, iter|Take::take(state.clock(), iter));
+//take!(MidiEditCommand    |state: App, iter|Ok(state.editor().map(|x|Take::take(x, iter)).transpose()?.flatten()));
+//take!(PoolCommand        |state: App, iter|Take::take(&state.pool, iter));
+//take!(SamplerCommand     |state: App, iter|Ok(state.project.sampler().map(|x|Take::take(x, iter)).transpose()?.flatten()));
+//take!(ArrangementCommand |state: App, iter|Take::take(&state.project, iter));
+
 //pub fn view_nil (_: &App) -> TuiCb {
     //|to|to.place(&Fill::xy("·"))
 //}
diff --git a/tek/tek_bind.rs b/tek/tek_bind.rs
index b6b02d01..c7b7e813 100644
--- a/tek/tek_bind.rs
+++ b/tek/tek_bind.rs
@@ -1,231 +1 @@
 use crate::*;
-
-handle!(TuiIn:|self: App, input|{
-    let mut commands = vec![];
-    for id in self.mode.keys.iter() {
-        if let Some(event_map) = self.config.binds.clone().read().unwrap().get(id.as_ref()) {
-            if let Some(bindings) = event_map.query(input.event()) {
-                for binding in bindings {
-                    for command in binding.commands.iter() {
-                        if let Some(command) = self.from(command)? as Option<AppCommand> {
-                            commands.push(command)
-                        }
-                    }
-                }
-            }
-        }
-    }
-    for command in commands.into_iter() {
-        let result = command.execute(self);
-        match result {
-            Ok(undo) => {
-                self.history.push((command, undo));
-            },
-            Err(e) => {
-                self.history.push((command, None));
-                return Err(e)
-            }
-        }
-    }
-    Ok(None)
-});
-
-#[derive(Debug, Copy, Clone)]
-pub enum Axis { X, Y, Z, I }
-
-impl<'a> DslNs<'a, AppCommand> for App {}
-impl<'a> DslNsExprs<'a, AppCommand> for App {}
-impl<'a> DslNsWords<'a, AppCommand> for App {
-    dsl_words!('a |app| -> AppCommand {
-        "x/inc" => AppCommand::Inc { axis: Axis::X },
-        "x/dec" => AppCommand::Dec { axis: Axis::X },
-        "y/inc" => AppCommand::Inc { axis: Axis::Y },
-        "y/dec" => AppCommand::Dec { axis: Axis::Y },
-        "confirm" => AppCommand::Confirm,
-        "cancel"  => AppCommand::Cancel,
-    });
-}
-
-impl Default for AppCommand { fn default () -> Self { Self::Nop } }
-
-def_command!(AppCommand: |app: App| {
-    Nop => Ok(None),
-    Confirm => Ok(match &app.dialog {
-        Dialog::Menu(index, items) => {
-            let callback = items.0[*index].1.clone();
-            callback(app)?;
-            None
-        },
-        _ => todo!(),
-    }),
-    Cancel => todo!(),                                               // TODO delegate:
-    Inc { axis: Axis } => Ok(match (&app.dialog, axis) {
-        (Dialog::None, _) => todo!(),
-        (Dialog::Menu(_, _), Axis::Y) => AppCommand::SetDialog { dialog: app.dialog.menu_next() }
-            .execute(app)?,
-        _ => todo!()
-    }),
-    Dec { axis: Axis } => Ok(match (&app.dialog, axis) {
-        (Dialog::None, _) => None,
-        (Dialog::Menu(_, _), Axis::Y) => AppCommand::SetDialog { dialog: app.dialog.menu_prev() }
-            .execute(app)?,
-        _ => todo!()
-    }),
-    SetDialog { dialog: Dialog } => {
-        swap_value(&mut app.dialog, dialog, |dialog|Self::SetDialog { dialog })
-    },
-});
-
-pub fn wrap_inc (index: usize, count: usize) -> usize {
-    if count > 0 { (index + 1) % count } else { 0 }
-}
-
-pub fn wrap_dec (index: usize, count: usize) -> usize {
-    if count > 0 { index.overflowing_sub(1).0.min(count.saturating_sub(1)) } else { 0 }
-}
-
-impl Dialog {
-}
-
-    //AppCommand => {
-        //("x/inc" /
-        //("stop-all") => todo!(),//app.project.stop_all(),
-        //("enqueue", clip: Option<Arc<RwLock<MidiClip>>>) => todo!(),
-        //("history", delta: isize) => todo!(),
-        //("zoom", zoom: usize) => todo!(),
-        //("select", selection: Selection) => todo!(),
-        //("dialog"  / command: DialogCommand) => todo!(),
-        //("project" / command: ArrangementCommand) => todo!(),
-        //("clock" / command: ClockCommand) => todo!(),
-        //("sampler" / command: SamplerCommand) => todo!(),
-        //("pool" / command: PoolCommand) => todo!(),
-        //("edit" / editor:  MidiEditCommand) => todo!(),
-    //};
-
-    //DialogCommand;
-
-    //ArrangementCommand;
-
-    //ClockCommand;
-
-    //SamplerCommand;
-
-    //PoolCommand;
-
-    //MidiEditCommand;
-
-
-//take!(DialogCommand      |state: App, iter|Take::take(&state.dialog, iter));
-//#[derive(Clone, Debug)]
-//pub enum DialogCommand {
-    //Open { dialog: Dialog },
-    //Close
-//}
-
-//impl Command<Option<Dialog>> for DialogCommand {
-    //fn execute (self, state: &mut Option<Dialog>) -> Perhaps<Self> {
-        //match self {
-            //Self::Open { dialog } => {
-                //*state = Some(dialog);
-            //},
-            //Self::Close => {
-                //*state = None;
-            //}
-        //};
-        //Ok(None)
-    //}
-//}
-
-//dsl!(DialogCommand: |self: Dialog, iter|todo!());
-//Dsl::take(&mut self.dialog, iter));
-
-//#[tengri_proc::command(Option<Dialog>)]//Nope.
-//impl DialogCommand {
-    //fn open (dialog: &mut Option<Dialog>, new: Dialog) -> Perhaps<Self> {
-        //*dialog = Some(new);
-        //Ok(None)
-    //}
-    //fn close (dialog: &mut Option<Dialog>) -> Perhaps<Self> {
-        //*dialog = None;
-        //Ok(None)
-    //}
-//}
-//
-//dsl_bind!(AppCommand: App {
-    //enqueue  = |app, clip:  Option<Arc<RwLock<MidiClip>>>| { todo!() };
-    //history  = |app, delta: isize| { todo!() };
-    //zoom     = |app, zoom:  usize| { todo!() };
-    //stop_all = |app| { app.tracks_stop_all(); Ok(None) };
-    ////dialog   = |app, command: DialogCommand|
-        ////Ok(command.delegate(&mut app.dialog, |c|Self::Dialog{command: c})?);
-    //project  = |app, command: ArrangementCommand|
-        //Ok(command.delegate(&mut app.project, |c|Self::Project{command: c})?);
-    //clock    = |app, command: ClockCommand|
-        //Ok(command.execute(app.clock_mut())?.map(|c|Self::Clock{command: c}));
-    //sampler  = |app, command: SamplerCommand|
-        //Ok(app.project.sampler_mut().map(|s|command.delegate(s, |command|Self::Sampler{command}))
-            //.transpose()?.flatten());
-    //pool     = |app, command: PoolCommand| {
-        //let undo = command.clone().delegate(&mut app.pool, |command|AppCommand::Pool{command})?;
-        //// update linked editor after pool action
-        //match command {
-            //// autoselect: automatically load selected clip in editor
-            //PoolCommand::Select { .. } |
-            //// autocolor: update color in all places simultaneously
-            //PoolCommand::Clip { command: PoolClipCommand::SetColor { .. } } => {
-                //let clip = app.pool.clip().clone();
-                //app.editor_mut().map(|editor|editor.set_clip(clip.as_ref()))
-            //},
-            //_ => None
-        //};
-        //Ok(undo)
-    //};
-    //select   = |app, selection: Selection| {
-        //*app.project.selection_mut() = selection;
-        ////todo!
-        ////if let Some(ref mut editor) = app.editor_mut() {
-            ////editor.set_clip(match selection {
-                ////Selection::TrackClip { track, scene } if let Some(Some(Some(clip))) = app
-                    ////.project
-                    ////.scenes.get(scene)
-                    ////.map(|s|s.clips.get(track))
-                ////=>
-                    ////Some(clip),
-                ////_ =>
-                    ////None
-            ////});
-        ////}
-        //Ok(None)
-        ////("select"  [t: usize, s: usize] Some(match (t.expect("no track"), s.expect("no scene")) {
-            ////(0, 0) => Self::Select(Selection::Mix),
-            ////(t, 0) => Self::Select(Selection::Track(t)),
-            ////(0, s) => Self::Select(Selection::Scene(s)),
-            ////(t, s) => Self::Select(Selection::TrackClip { track: t, scene: s }) })))
-        //// autoedit: load focused clip in editor.
-    //};
-    ////fn color (app: &mut App, theme: ItemTheme) -> Perhaps<Self> {
-        ////Ok(app.set_color(Some(theme)).map(|theme|Self::Color{theme}))
-    ////}
-    ////fn launch (app: &mut App) -> Perhaps<Self> {
-        ////app.project.launch();
-        ////Ok(None)
-    ////}
-    //toggle_editor = |app, value: bool|{ app.toggle_editor(Some(value)); Ok(None) };
-    //editor = |app, command: MidiEditCommand| Ok(if let Some(editor) = app.editor_mut() {
-        //let undo = command.clone().delegate(editor, |command|AppCommand::Editor{command})?;
-        //// update linked sampler after editor action
-        //app.project.sampler_mut().map(|sampler|match command {
-            //// autoselect: automatically select sample in sampler
-            //MidiEditCommand::SetNotePos { pos } => { sampler.set_note_pos(pos); },
-            //_ => {}
-        //});
-        //undo
-    //} else {
-        //None
-    //});
-//});
-//take!(ClockCommand       |state: App, iter|Take::take(state.clock(), iter));
-//take!(MidiEditCommand    |state: App, iter|Ok(state.editor().map(|x|Take::take(x, iter)).transpose()?.flatten()));
-//take!(PoolCommand        |state: App, iter|Take::take(&state.pool, iter));
-//take!(SamplerCommand     |state: App, iter|Ok(state.project.sampler().map(|x|Take::take(x, iter)).transpose()?.flatten()));
-//take!(ArrangementCommand |state: App, iter|Take::take(&state.project, iter));
diff --git a/tek/tek_menu.rs b/tek/tek_menu.rs
deleted file mode 100644
index b4bd5374..00000000
--- a/tek/tek_menu.rs
+++ /dev/null
@@ -1,88 +0,0 @@
-use crate::*;
-
-/// Various possible dialog modes.
-#[derive(Debug, Clone, Default, PartialEq)]
-pub enum Dialog {
-    #[default] None,
-    Help(usize),
-    Menu(usize, MenuItems),
-    Device(usize),
-    Message(Arc<str>),
-    Browse(BrowseTarget, Arc<Browse>),
-    Options,
-}
-
-#[derive(Debug, Clone, Default, PartialEq)]
-pub struct MenuItems(pub Arc<[MenuItem]>);
-
-impl AsRef<Arc<[MenuItem]>> for MenuItems {
-    fn as_ref (&self) -> &Arc<[MenuItem]> {
-        &self.0
-    }
-}
-
-#[derive(Clone)]
-pub struct MenuItem(
-    /// Label
-    pub Arc<str>,
-    /// Callback
-    pub Arc<Box<dyn Fn(&mut App)->Usually<()> + Send + Sync>>
-);
-
-impl Default for MenuItem {
-    fn default () -> Self { Self("".into(), Arc::new(Box::new(|_|Ok(())))) }
-}
-
-impl_debug!(MenuItem |self, w| { write!(w, "{}", &self.0) });
-
-impl PartialEq for MenuItem {
-    fn eq (&self, other: &Self) -> bool {
-        self.0 == other.0
-    }
-}
-
-impl Dialog {
-    pub fn welcome () -> Self {
-        Self::Menu(1, MenuItems([
-            MenuItem("Resume session".into(),     Arc::new(Box::new(|_|Ok(())))),
-            MenuItem("Create new session".into(), Arc::new(Box::new(|app|Ok({
-                app.dialog = Dialog::None;
-                app.mode = app.config.modes.clone().read().unwrap().get(":arranger").cloned().unwrap();
-            })))),
-            MenuItem("Load old session".into(),   Arc::new(Box::new(|_|Ok(())))),
-        ].into()))
-    }
-    pub fn menu_next (&self) -> Self {
-        match self {
-            Self::Menu(index, items) => Self::Menu(wrap_inc(*index, items.0.len()), items.clone()),
-            _ => Self::None
-        }
-    }
-    pub fn menu_prev (&self) -> Self {
-        match self {
-            Self::Menu(index, items) => Self::Menu(wrap_dec(*index, items.0.len()), items.clone()),
-            _ => Self::None
-        }
-    }
-    pub fn menu_selected (&self) -> Option<usize> {
-        if let Self::Menu(selected, _) = self { Some(*selected) } else { None }
-    }
-    pub fn device_kind (&self) -> Option<usize> {
-        if let Self::Device(index) = self { Some(*index) } else { None }
-    }
-    pub fn device_kind_next (&self) -> Option<usize> {
-        self.device_kind().map(|index|(index + 1) % device_kinds().len())
-    }
-    pub fn device_kind_prev (&self) -> Option<usize> {
-        self.device_kind().map(|index|index.overflowing_sub(1).0.min(device_kinds().len().saturating_sub(1)))
-    }
-    pub fn message (&self) -> Option<&str> {
-        todo!()
-    }
-    pub fn browser (&self) -> Option<&Arc<Browse>> {
-        todo!()
-    }
-    pub fn browser_target (&self) -> Option<&BrowseTarget> {
-        todo!()
-    }
-}
diff --git a/tek/test.rs b/tek/test.rs
index 6ca6190c..71f604be 100644
--- a/tek/test.rs
+++ b/tek/test.rs
@@ -1,23 +1,21 @@
 use crate::*;
 
-#[cfg(test)] #[test] fn test_model () -> Usually<()> {
+#[cfg(test)] #[test] fn test_app () -> Usually<()> {
     let mut app = App::default();
-    let _ = app.clip();
-    let _ = app.toggle_loop();
-    //let _ = app.tracks_add(8, None, &[], &[])?;
-    //let _ = app.track_add_focus()?;
-    let _ = app.scene_longest();
-    let _ = app.scene();
-    let _ = app.scene_mut();
     let _ = app.scene_add(None, None)?;
-    let _ = app.scene_add_focus()?;
-    let scene = app.scene_del(0);
+    let _ = app.update_clock();
+    Ok(())
+}
+
+#[cfg(test)] #[test] fn test_track () -> Usually<()> {
+    let track = Track::default();
+    Ok(())
+}
+
+#[cfg(test)] #[test] fn test_scene () -> Usually<()> {
     let scene = Scene::default();
     let _ = scene.pulses();
     let _ = scene.is_playing(&[]);
-    let _ = app.view_transport();
-    let _ = app.view_status();
-    let _ = app.update_clock();
     Ok(())
 }
 
@@ -27,8 +25,8 @@ use crate::*;
     let _ = button_2("", "", false);
     let _ = button_3("", "", "", true);
     let _ = button_3("", "", "", false);
-    let _ = heading("", "", 0, "", true);
-    let _ = heading("", "", 0, "", false);
+    //let _ = heading("", "", 0, "", true);
+    //let _ = heading("", "", 0, "", false);
     let _ = wrap(Reset, Reset, "");
 }
 
@@ -56,29 +54,29 @@ use crate::*;
 
 #[cfg(test)] #[test] fn test_view_iter () {
     let mut app = App::default();
-    app.editor = Some(Default::default());
-    let _: Vec<_> = app.inputs_with_sizes().collect();
-    let _: Vec<_> = app.outputs_with_sizes().collect();
-    let _: Vec<_> = app.tracks_with_sizes().collect();
-    let _: Vec<_> = app.scenes_with_sizes(true, 10, 10).collect();
+    app.project.editor = Some(Default::default());
+    //let _: Vec<_> = app.project.inputs_with_sizes().collect();
+    //let _: Vec<_> = app.project.outputs_with_sizes().collect();
+    let _: Vec<_> = app.project.tracks_with_sizes().collect();
+    //let _: Vec<_> = app.project.scenes_with_sizes(true, 10, 10).collect();
     //let _: Vec<_> = app.scenes_with_colors(true, 10).collect();
     //let _: Vec<_> = app.scenes_with_track_colors(true, 10, 10).collect();
 }
 
 #[cfg(test)] #[test] fn test_view_sizes () {
     let app = App::default();
-    let _ = app.w();
-    let _ = app.w_sidebar();
-    let _ = app.w_tracks_area();
-    let _ = app.h();
-    let _ = app.h_tracks_area();
-    let _ = app.h_inputs();
-    let _ = app.h_outputs();
-    let _ = app.h_scenes();
+    let _ = app.project.w();
+    //let _ = app.project.w_sidebar();
+    //let _ = app.project.w_tracks_area();
+    let _ = app.project.h();
+    //let _ = app.project.h_tracks_area();
+    //let _ = app.project.h_inputs();
+    //let _ = app.project.h_outputs();
+    let _ = app.project.h_scenes();
 }
 
 #[cfg(test)] #[test] fn test_midi_edit () {
-    let editor = MidiEditor::default();
+    let _editor = MidiEditor::default();
     let mut editor = MidiEditor {
         mode: PianoHorizontal::new(Some(&Arc::new(RwLock::new(MidiClip::stop_all())))),
         size: Default::default(),
@@ -89,12 +87,13 @@ use crate::*;
     let _ = editor.clip_status();
     let _ = editor.edit_status();
     struct TestEditorHost(Option<MidiEditor>);
-    has_editor!(|self: TestEditorHost|{
-        editor = self.0;
-        editor_w = 0;
-        editor_h = 0;
-        is_editing = false;
-    });
+    has!(Option<MidiEditor>: |self: TestEditorHost|self.0);
+    //has_editor!(|self: TestEditorHost|{
+        //editor = self.0;
+        //editor_w = 0;
+        //editor_h = 0;
+        //is_editing = false;
+    //});
     let mut host = TestEditorHost(Some(editor));
     let _ = host.editor();
     let _ = host.editor_mut();