simplify

crates/device/src/arranger/arranger_model.rs

@@ -46,6 +46,7 @@ has!(Vec<JackMidiIn>:  |self: Arrangement|self.midi_ins);
 has!(Vec<JackMidiOut>: |self: Arrangement|self.midi_outs);
 has!(Vec<Scene>:       |self: Arrangement|self.scenes);
 has!(Vec<Track>:       |self: Arrangement|self.tracks);
+has!(Measure<TuiOut>:  |self: Arrangement|self.size);
 
 impl Arrangement {
     /// Width of display

crates/device/src/arranger/arranger_port.rs

@@ -18,7 +18,7 @@ impl<'a> ArrangerView<'a> {
     pub(crate) fn input_ports (&'a self) -> impl Content<TuiOut> + 'a {
         Tryptich::top(1)
             .left(self.width_side,
-                button_3("i", "midi ins", format!("{}", self.inputs_count), self.is_editing))
+                button_3("i", "midi ins", format!("{}", self.arrangement.midi_ins().len()), self.is_editing))
             .right(self.width_side,
                 button_2("I", "add midi in", self.is_editing))
             .middle(self.width_mid,
@@ -96,7 +96,12 @@ impl<'a> ArrangerView<'a> {
     }
 
     pub(crate) fn output_count (&'a self) -> impl Content<TuiOut> + 'a {
-        button_3("o", "midi outs", format!("{}", self.outputs_count), self.is_editing)
+        button_3(
+            "o",
+            "midi outs",
+            format!("{}", self.arrangement.midi_outs().len()),
+            self.is_editing
+        )
     }
 
     pub(crate) fn output_add (&'a self) -> impl Content<TuiOut> + 'a {

crates/device/src/arranger/arranger_view.rs

@@ -9,20 +9,15 @@ pub struct ArrangerView<'a> {
     pub width_mid:      u16,
     pub width_side:     u16,
 
-    pub inputs_count:   usize,
     pub inputs_height:  u16,
-
-    pub outputs_count:  usize,
     pub outputs_height: u16,
 
     pub scene_last:     usize,
-    pub scene_count:    usize,
     pub scene_scroll:   Fill<Fixed<u16, ScrollbarV>>,
     pub scene_selected: Option<usize>,
     pub scenes_height:  u16,
 
     pub track_scroll:   Fill<Fixed<u16, ScrollbarH>>,
-    pub track_count:    usize,
     pub track_selected: Option<usize>,
     pub tracks_height:  u16,
 
@@ -47,14 +42,10 @@ impl<'a> ArrangerView<'a> {
             width_side:     arrangement.w_sidebar(is_editing),
 
             inputs_height:  arrangement.h_inputs(),
-            inputs_count:   arrangement.midi_ins.len(),
-
             outputs_height: arrangement.h_outputs(),
-            outputs_count:  arrangement.midi_outs.len(),
 
             scenes_height:  h_scenes_area,
             scene_selected: arrangement.selection().scene(),
-            scene_count:    arrangement.scenes.len(),
             scene_last:     arrangement.scenes.len().saturating_sub(1),
             scene_scroll:   Fill::y(Fixed::x(1, ScrollbarV {
                 offset: arrangement.scene_scroll,
@@ -63,7 +54,6 @@ impl<'a> ArrangerView<'a> {
             })),
 
             tracks_height:  h_tracks_area,
-            track_count:    arrangement.tracks.len(),
             track_selected: arrangement.selection().track(),
             track_scroll:   Fill::x(Fixed::y(1, ScrollbarH {
                 offset: arrangement.track_scroll,
@@ -108,9 +98,9 @@ impl<'a> ArrangerView<'a> {
 
     /// Render track headers
     pub(crate) fn tracks (&'a self) -> impl Content<TuiOut> + 'a {
-        let Self { width_side, width_mid, track_count, track_selected, is_editing, .. } = self;
+        let Self { width_side, width_mid, track_selected, is_editing, .. } = self;
         Tryptich::center(3)
-            .left(*width_side,  button_3("t", "track", format!("{}", *track_count), *is_editing))
+            .left(*width_side,  button_3("t", "track", format!("{}", self.arrangement.tracks.len()), *is_editing))
             .right(*width_side, button_2("T", "add track", *is_editing))
             .middle(*width_mid, per_track(*width_mid, ||self.tracks_with_sizes_scrolled(),
                 |index, track|wrap(
@@ -126,7 +116,7 @@ impl<'a> ArrangerView<'a> {
 
     /// Render device switches.
     pub(crate) fn devices (&'a self) -> impl Content<TuiOut> + 'a {
-        let Self { width_side, width_mid, track_count, track_selected, is_editing, .. } = self;
+        let Self { width_side, width_mid, track_selected, is_editing, .. } = self;
         Tryptich::top(1)
             .left(*width_side, button_3("d", "devices", format!("{}", 0), *is_editing))
             .right(*width_side, button_2("D", "add device", *is_editing))

crates/device/src/editor/editor_model.rs

@@ -8,6 +8,8 @@ pub struct MidiEditor {
     pub mode: PianoHorizontal,
 }
 
+has!(Measure<TuiOut>: |self: MidiEditor|self.size);
+
 impl std::fmt::Debug for MidiEditor {
     fn fmt (&self, f: &mut Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
         f.debug_struct("MidiEditor")

crates/device/src/editor/editor_view.rs

@@ -1,7 +1,5 @@
 use crate::*;
 
-has_size!(<TuiOut>|self: MidiEditor|&self.size);
-
 content!(TuiOut: |self: MidiEditor| {
     self.autoscroll();
     //self.autozoom();

crates/device/src/editor/editor_view_h.rs

@@ -18,6 +18,8 @@ pub struct PianoHorizontal {
     pub keys_width: u16,
 }
 
+has!(Measure<TuiOut>:|self:PianoHorizontal|self.size);
+
 impl PianoHorizontal {
     pub fn new (clip: Option<&Arc<RwLock<MidiClip>>>) -> Self {
         let size = Measure::new();
@@ -227,8 +229,6 @@ impl PianoHorizontal {
     }
 }
 
-has_size!(<TuiOut>|self:PianoHorizontal|&self.size);
-
 impl TimeRange for PianoHorizontal {
     fn time_len   (&self) -> &AtomicUsize { self.range.time_len()   }
     fn time_zoom  (&self) -> &AtomicUsize { self.range.time_zoom()  }

crates/device/src/lib.rs

@@ -12,7 +12,8 @@ pub(crate) use std::path::PathBuf;
 pub(crate) use std::error::Error;
 pub(crate) use std::ffi::OsString;
 
-pub(crate) use ::tengri::{from, Usually, Perhaps, dsl::*, input::*, output::*, tui::{*, ratatui::prelude::*}};
+pub(crate) use ::tengri::{from, Usually, Perhaps, Has};
+pub(crate) use ::tengri::{dsl::*, input::*, output::*, tui::{*, ratatui::prelude::*}};
 pub(crate) use ::tek_engine::*;
 pub(crate) use ::tek_engine::midi::{u7, LiveEvent, MidiMessage};
 pub(crate) use ::tek_engine::jack::{Control, ProcessScope, MidiWriter, RawMidi};