fix timer of horizontal sequencer

This commit is contained in:
🪞👃🪞 2024-07-03 20:03:00 +03:00
parent 2601592d17
commit 1259176576
6 changed files with 293 additions and 254 deletions

View file

@ -5,7 +5,7 @@ pub mod sampler;
pub use self::focus::*;
use crate::{core::*, model::*, handle, App};
use crate::{core::*, handle, App};
handle!(App |self, e| {
if let Some(ref mut modal) = self.modal {
@ -18,82 +18,117 @@ handle!(App |self, e| {
});
const KEYMAP: &'static [KeyBinding<App>] = keymap!(App {
[F(1), NONE, "toggle_help", "toggle help", toggle_help],
[Char(' '), NONE, "toggle_play", "play or pause", |app: &mut App| {
app.toggle_play()?;
Ok(true)
}],
[Char('a'), CONTROL, "add_scene", "add a new scene", |app: &mut App| {
app.add_scene(None)?;
Ok(true)
}],
[Char('t'), CONTROL, "add_track", "add a new track", |app: &mut App| {
app.add_track(None)?;
Ok(true)
}],
[Char('`'), NONE, "switch_mode", "switch the display mode", |app: &mut App| {
match app.section {
0 => {app.grid_mode = !app.grid_mode; Ok(true)},
1 => {app.chain_mode = !app.chain_mode; Ok(true)},
2 => {app.seq_mode = !app.seq_mode; Ok(true)},
_ => Ok(false)
}
}],
[F(1), NONE, "toggle_help", "toggle help", |_: &mut App| {Ok(true)}],
[Char('r'), NONE, "toggle_record", "toggle recording", |_: &mut App| {Ok(true)}],
[Char('d'), NONE, "toggle_overdub", "toggle overdub", |_: &mut App| {Ok(true)}],
[Char('m'), NONE, "toggle_monitor", "toggle input monitoring", |_: &mut App| {Ok(true)}],
[Up, NONE, "cursor_up", "move cursor up", |app: &mut App| {
if app.entered {
match app.section {
0 => match app.grid_mode {
false => {app.scene_cursor = app.scene_cursor.saturating_sub(1); Ok(true)},
true => {app.track_cursor = app.track_cursor.saturating_sub(1); Ok(true)},
},
_ => Ok(false)
}
} else {
focus_prev(app)
}
}],
[Down, NONE, "cursor_down", "move cursor down", |app: &mut App| {
if app.entered {
match app.section {
0 => match app.grid_mode {
false => {app.scene_cursor = app.scenes.len().min(app.scene_cursor + 1); Ok(true)},
true => {app.track_cursor = app.tracks.len().min(app.track_cursor + 1); Ok(true)},
},
_ => Ok(false)
}
} else {
focus_next(app)
}
}],
[Left, NONE, "cursor_left", "move cursor left", |app: &mut App| {
match app.section {
0 => match app.grid_mode {
false => {app.track_cursor = app.track_cursor.saturating_sub(1); Ok(true)},
true => {app.scene_cursor = app.scene_cursor.saturating_sub(1); Ok(true)},
},
1 => {
if let Some((_, track)) = app.track_mut() {
track.device = track.device.saturating_sub(1);
Ok(true)
} else {
Ok(false)
}
},
2 => {
app.time_cursor = app.time_cursor.saturating_sub(1);
Ok(true)
},
_ => Ok(false)
}
}],
[Right, NONE, "cursor_right", "move cursor right", |app: &mut App| {
match app.section {
0 => match app.grid_mode {
false => {app.track_cursor = app.tracks.len().min(app.track_cursor + 1); Ok(true)},
true => {app.scene_cursor = app.scenes.len().min(app.scene_cursor + 1); Ok(true)},
},
1 => {
if let Some((_, track)) = app.track_mut() {
track.device = (track.device + 1).min(track.devices.len().saturating_sub(1));
Ok(true)
} else {
Ok(false)
}
},
2 => {
app.time_cursor = app.time_cursor + 1;
Ok(true)
},
_ => Ok(false)
}
}],
[Tab, NONE, "focus_next", "focus next area", focus_next],
[Tab, SHIFT, "focus_prev", "focus previous area", focus_prev],
[Up, NONE, "cursor_up", "move cursor up", cursor_up],
[Down, NONE, "cursor_down", "move cursor down", cursor_down],
[Left, NONE, "cursor_left", "move cursor left", cursor_left],
[Right, NONE, "cursor_right", "move cursor right", cursor_right],
[Char('.'), NONE, "increment", "increment value at cursor", increment],
[Char(','), NONE, "decrement", "decrement value at cursor", decrement],
[Char('.'), NONE, "increment", "increment value", increment],
[Char(','), NONE, "decrement", "decrement value", decrement],
[Delete, CONTROL, "delete", "delete track", delete],
[Char('d'), CONTROL, "duplicate", "duplicate scene or track", duplicate],
[Enter, NONE, "activate", "activate item at cursor", enter],
[Esc, NONE, "escape", "unfocus", escape],
[Char(' '), NONE, "toggle_play", "play or pause", toggle_play],
[Char('r'), NONE, "toggle_record", "toggle recording", toggle_record],
[Char('d'), NONE, "toggle_overdub", "toggle overdub", toggle_overdub],
[Char('m'), NONE, "toggle_monitor", "toggle input monitoring", toggle_monitor],
[Char('r'), CONTROL, "rename", "rename current element", rename],
[Char('t'), CONTROL, "add_track", "add a new track", add_track],
[Char('a'), CONTROL, "add_scene", "add a new scene", add_scene],
[Char('`'), NONE, "switch_mode", "switch the display mode", switch_mode],
// [Char('='), NONE, "zoom_in", "Zoom in", zoom_in],
// [Char('-'), NONE, "zoom_out", "Zoom out", zoom_out],
// [Char('a'), NONE, "note_add", "Add note", note_add],
// [Char('z'), NONE, "note_del", "Delete note", note_del],
// [CapsLock, NONE, "advance", "Toggle auto advance", nop],
// [Char('w'), NONE, "rest", "Advance by note duration", nop],
// [Char('s'), NONE, "stop_and_rewind", "Stop and rewind", stop_and_rewind],
// [Char('q'), NONE, "quantize_next", "Next quantize value", quantize_next],
// [Char('Q'), SHIFT, "quantize_prev", "Previous quantize value", quantize_prev],
});
//-pub const KEYMAP: &'static [KeyBinding<Sequencer>] = keymap!(Sequencer {
//- [Up, NONE, "cursor_up", "move cursor up", cursor_up],
//- [Down, NONE, "cursor_down", "move cursor down", cursor_down],
//- [Left, NONE, "cursor_left", "move cursor left", cursor_left],
//- [Right, NONE, "cursor_right", "move cursor right", cursor_right],
//- [Char('.'), NONE, "cursor_inc", "increase note duration", cursor_duration_inc],
//- [Char(','), NONE, "cursor_dec", "decrease note duration", cursor_duration_dec],
//- [Char('`'), NONE, "mode_next", "Next view mode", mode_next],
//- [Char('='), NONE, "zoom_in", "Zoom in", zoom_in],
//- [Char('-'), NONE, "zoom_out", "Zoom out", zoom_out],
//- [Char('a'), NONE, "note_add", "Add note", note_add],
//- [Char('z'), NONE, "note_del", "Delete note", note_del],
//- [CapsLock, NONE, "advance", "Toggle auto advance", nop],
//- [Char('w'), NONE, "rest", "Advance by note duration", nop],
//- [Char(' '), NONE, "toggle_play", "Toggle play/pause", toggle_play],
//- [Char('r'), NONE, "toggle_record", "Toggle recording", toggle_record],
//- [Char('d'), NONE, "toggle_overdub", "Toggle overdub", toggle_overdub],
//- [Char('m'), NONE, "toggle_monitor", "Toggle input monitoring", toggle_monitor],
//- [Char('s'), NONE, "stop_and_rewind", "Stop and rewind", stop_and_rewind],
//- [Char('q'), NONE, "quantize_next", "Next quantize value", quantize_next],
//- [Char('Q'), SHIFT, "quantize_prev", "Previous quantize value", quantize_prev],
//-});
fn toggle_play (app: &mut App) -> Usually<bool> {
app.playing = match app.playing.expect("after jack init") {
TransportState::Stopped => {
app.transport.as_ref().unwrap().start()?;
Some(TransportState::Starting)
},
_ => {
app.transport.as_ref().unwrap().stop()?;
app.transport.as_ref().unwrap().locate(0)?;
Some(TransportState::Stopped)
},
};
Ok(true)
}
fn toggle_record (_: &mut App) -> Usually<bool> { Ok(true) }
fn toggle_overdub (_: &mut App) -> Usually<bool> { Ok(true) }
fn toggle_monitor (_: &mut App) -> Usually<bool> { Ok(true) }
fn toggle_help (_: &mut App) -> Usually<bool> { Ok(true) }
fn switch_mode (app: &mut App) -> Usually<bool> {
match app.section {
0 => {app.grid_mode = !app.grid_mode; Ok(true)},
1 => {app.chain_mode = !app.chain_mode; Ok(true)},
2 => {app.seq_mode = !app.seq_mode; Ok(true)},
_ => Ok(false)
}
}
fn focus_next (app: &mut App) -> Usually<bool> {
if app.section >= 2 {
@ -113,54 +148,6 @@ fn focus_prev (app: &mut App) -> Usually<bool> {
Ok(true)
}
fn cursor_up (app: &mut App) -> Usually<bool> {
if app.entered {
match app.section {
0 => match app.grid_mode {
false => {app.scene_cursor = app.scene_cursor.saturating_sub(1); Ok(true)},
true => {app.track_cursor = app.track_cursor.saturating_sub(1); Ok(true)},
},
_ => Ok(false)
}
} else {
focus_prev(app)
}
}
fn cursor_down (app: &mut App) -> Usually<bool> {
if app.entered {
match app.section {
0 => match app.grid_mode {
false => {app.scene_cursor = app.scenes.len().min(app.scene_cursor + 1); Ok(true)},
true => {app.track_cursor = app.tracks.len().min(app.track_cursor + 1); Ok(true)},
},
_ => Ok(false)
}
} else {
focus_next(app)
}
}
fn cursor_left (app: &mut App) -> Usually<bool> {
match app.section {
0 => match app.grid_mode {
false => {app.track_cursor = app.track_cursor.saturating_sub(1); Ok(true)},
true => {app.scene_cursor = app.scene_cursor.saturating_sub(1); Ok(true)},
},
_ => Ok(false)
}
}
fn cursor_right (app: &mut App) -> Usually<bool> {
match app.section {
0 => match app.grid_mode {
false => {app.track_cursor = app.tracks.len().min(app.track_cursor + 1); Ok(true)},
true => {app.scene_cursor = app.scenes.len().min(app.scene_cursor + 1); Ok(true)},
},
_ => Ok(false)
}
}
fn increment (app: &mut App) -> Usually<bool> {
match app.section {
0 => clip_next(app),
@ -291,20 +278,6 @@ fn escape (app: &mut App) -> Usually<bool> {
}
}
fn add_scene (app: &mut App) -> Usually<bool> {
let name = format!("Scene {}", app.scenes.len() + 1);
app.scenes.push(Scene::new(&name, vec![]));
app.scene_cursor = app.scenes.len();
Ok(true)
}
fn add_track (app: &mut App) -> Usually<bool> {
let name = format!("Track {}", app.tracks.len() + 1);
app.tracks.push(Track::new(&name, app.jack.as_ref().unwrap().as_client(), None, None)?);
app.track_cursor = app.tracks.len();
Ok(true)
}
fn delete_track (app: &mut App) -> Usually<bool> {
if app.tracks.len() > 0 {
let track = app.tracks.remove(app.track_cursor);

View file

@ -73,6 +73,7 @@ pub fn main () -> Usually<()> {
state.midi_in = Some(client.register_port("midi-in", MidiIn)?);
state.transport = Some(client.transport());
state.playing = Some(TransportState::Stopped);
state.time_zoom = 24;
state.jack = Some(jack);
Ok(())
}))
@ -156,6 +157,20 @@ process!(App |self, _client, scope| {
});
impl App {
pub fn toggle_play (&mut self) -> Usually<()> {
self.playing = match self.playing.expect("after jack init") {
TransportState::Stopped => {
self.transport.as_ref().unwrap().start()?;
Some(TransportState::Starting)
},
_ => {
self.transport.as_ref().unwrap().stop()?;
self.transport.as_ref().unwrap().locate(0)?;
Some(TransportState::Stopped)
},
};
Ok(())
}
pub fn connect_tracks (&self) -> Usually<()> {
//let (client, _status) = Client::new(
//&format!("{}-init", &self.name), ClientOptions::NO_START_SERVER
@ -184,6 +199,18 @@ impl App {
//}
Ok(())
}
pub fn add_scene (&mut self, name: Option<&str>) -> Usually<&mut Scene> {
let name = name.ok_or_else(||format!("Scene {}", self.scenes.len() + 1))?;
self.scenes.push(Scene::new(&name, vec![]));
self.scene_cursor = self.scenes.len();
Ok(&mut self.scenes[self.scene_cursor - 1])
}
pub fn add_track (&mut self, name: Option<&str>) -> Usually<&mut Track> {
let name = name.ok_or_else(||format!("Track {}", self.tracks.len() + 1))?;
self.tracks.push(Track::new(&name, self.jack.as_ref().unwrap().as_client(), None, None)?);
self.track_cursor = self.tracks.len();
Ok(&mut self.tracks[self.track_cursor - 1])
}
pub fn track (&self) -> Option<(usize, &Track)> {
match self.track_cursor { 0 => None, _ => {
let id = self.track_cursor as usize - 1;

View file

@ -43,10 +43,32 @@ impl Track {
device: 0,
})
}
pub fn phrase (&self) -> Option<&Phrase> {
if let Some(phrase) = self.sequence {
return self.phrases.get(phrase)
} else {
None
}
}
}
impl PortList for Track {
fn midi_ins (&self) -> Usually<Vec<String>> { Ok(vec![]) }
fn midi_outs (&self) -> Usually<Vec<String>> { Ok(vec![self.midi_out.name()?]) }
fn midi_outs (&self) -> Usually<Vec<String>> {
Ok(vec![self.midi_out.name()?])
}
fn midi_ins (&self) -> Usually<Vec<String>> {
if let Some(device) = self.devices.get(0) {
device.midi_ins()
} else {
Ok(vec![])
}
}
fn audio_outs (&self) -> Usually<Vec<String>> {
if let Some(device) = self.devices.get(self.devices.len().saturating_sub(1)) {
device.audio_outs()
} else {
Ok(vec![])
}
}
}

View file

@ -39,16 +39,17 @@ render!(App |self, buf, area| {
}.draw()?.height;
if self.track_cursor > 0 {
let track = self.tracks.get(self.track_cursor - 1);
y = y + ChainView {
focused: self.section == 1,
chain: track,
}.render(buf, Rect { x, y, width, height: height / 3 })?.height;
let track = self.tracks.get(self.track_cursor - 1).unwrap();
y = y + ChainView { focused: self.section == 1, track: Some(track) }
.render(buf, Rect { x, y, width, height: height / 3 })?.height;
y = y + SequencerView {
focused: self.section == 2,
ppq: self.timebase.ppq() as usize,
phrase: track.map(|t|&t.phrases[0]),
now: self.timebase.frames_pulses(self.playhead as f64) as usize,
phrase: track.phrases.get(0),
time_cursor: self.time_cursor,
time_start: self.time_start,
time_zoom: self.time_zoom,

View file

@ -11,70 +11,92 @@ pub enum ChainViewMode {
pub struct ChainView<'a> {
pub focused: bool,
pub chain: Option<&'a Track>,
pub track: Option<&'a Track>,
}
impl<'a> Render for ChainView<'a> {
fn render (&self, buf: &mut Buffer, area: Rect) -> Usually<Rect> {
let style = Some(if self.focused {
Style::default().green()
} else {
Style::default().green().dim()
} else {
Style::default().dim()
});
let (area, _plugins) = if let Some(ref chain) = self.chain {
draw_as_row(&*chain, buf, area, style)?
let Rect { x, y, width, height } = area;
if self.track.is_none() {
let label = "No track selected";
label.blit(
buf,
x + (width - label.len() as u16) / 2,
y + height / 2,
Some(Style::default().dim().bold())
);
}
lozenge_left(buf, x, y, height, style);
let (area, _plugins) = if let Some(ref chain) = self.track {
self.draw_as_row(buf, area, style)?
} else {
(area, vec![])
};
let Rect { x, y, width, height} = area;
lozenge_left(buf, x, y, height, style);
lozenge_right(buf, x + width - 1, y, height, style);
Ok(area)
}
}
pub fn draw_as_row (
state: &Track, buf: &mut Buffer, area: Rect, style: Option<Style>
) -> Usually<(Rect, Vec<Rect>)> {
let Rect { mut x, y, width, height } = area;
let mut h = 3u16;
let mut frames = vec![];
for (i, device) in state.devices.iter().enumerate() {
let x2 = 0u16;
let _y2 = 1u16;
//for port in device.midi_ins()?.iter() {
//port.blit(buf, x, y + y2, Some(Style::default()));
//x2 = x2.max(port.len() as u16);
//y2 = y2 + 1;
//}
//for port in device.audio_ins()?.iter() {
//port.blit(buf, x, y + y2, Some(Style::default()));
//x2 = x2.max(port.len() as u16);
//y2 = y2 + 1;
//}
let width = width.saturating_sub(x).saturating_sub(x2);
let frame = device.render(buf, Rect { x: x + x2, y, width, height })?;
lozenge_left(buf, x + x2, y, frame.height, style);
lozenge_right(buf, x + x2 + frame.width - 1, y, frame.height, style);
//let mut y2 = 1u16;
//for port in device.midi_outs()?.iter() {
//port.blit(buf, x + x2 + frame.width, y + y2, Some(Style::default()));
//x2 = x2.max(port.len() as u16);
//y2 = y2 + 1;
//}
//for port in device.audio_outs()?.iter() {
//port.blit(buf, x + x2 + frame.width, y + y2, Some(Style::default()));
//x2 = x2.max(port.len() as u16);
//y2 = y2 + 1;
//}
frames.push(frame);
h = h.max(frame.height);
x = x + frame.width;
impl<'a> ChainView<'a> {
pub fn draw_as_row (
&self, buf: &mut Buffer, area: Rect, style: Option<Style>
) -> Usually<(Rect, Vec<Rect>)> {
let Rect { mut x, y, width, height } = area;
let mut h = 3u16;
let mut frames = vec![];
let track = self.track.as_ref().unwrap();
for (i, device) in track.devices.iter().enumerate() {
let x2 = 0u16;
let _y2 = 1u16;
//for port in device.midi_ins()?.iter() {
//port.blit(buf, x, y + y2, Some(Style::default()));
//x2 = x2.max(port.len() as u16);
//y2 = y2 + 1;
//}
//for port in device.audio_ins()?.iter() {
//port.blit(buf, x, y + y2, Some(Style::default()));
//x2 = x2.max(port.len() as u16);
//y2 = y2 + 1;
//}
let width = width.saturating_sub(x).saturating_sub(x2);
let frame = device.render(buf, Rect { x: x + x2, y, width, height })?;
let style = if i == track.device {
Some(if self.focused {
Style::default().green().bold().not_dim()
} else {
Style::default().green().dim()
})
} else {
style
};
lozenge_left(buf, x + x2, y, frame.height, style);
lozenge_right(buf, x + x2 + frame.width - 1, y, frame.height, style);
//let mut y2 = 1u16;
//for port in device.midi_outs()?.iter() {
//port.blit(buf, x + x2 + frame.width, y + y2, Some(Style::default()));
//x2 = x2.max(port.len() as u16);
//y2 = y2 + 1;
//}
//for port in device.audio_outs()?.iter() {
//port.blit(buf, x + x2 + frame.width, y + y2, Some(Style::default()));
//x2 = x2.max(port.len() as u16);
//y2 = y2 + 1;
//}
frames.push(frame);
h = h.max(frame.height);
x = x + frame.width;
}
let label = "[Add device…]";
label.blit(buf, x + 1, area.y + 1, Some(Style::default().dim()));
x = x + 1 + label.len() as u16 + 1;
Ok((Rect { x: area.x, y: area.y, width: x, height: h }, frames))
}
let label = "[Add device…]";
label.blit(buf, x + 1, area.y + 1, Some(Style::default().dim()));
x = x + 1 + label.len() as u16 + 1;
Ok((Rect { x: area.x, y: area.y, width: x, height: h }, frames))
}
pub fn draw_as_column (

View file

@ -17,6 +17,9 @@ pub struct SequencerView<'a> {
pub time_start: usize,
/// Position of cursor within time range
pub time_cursor: usize,
/// Current time
pub now: usize
}
impl<'a> Render for SequencerView<'a> {
@ -27,82 +30,70 @@ impl<'a> Render for SequencerView<'a> {
lozenge_left(buf, x, y, height, style);
lozenge_right(buf, x + width - 1, y, height, style);
}
self::horizontal::draw(
buf,
area,
self.phrase,
self.ppq,
self.time_cursor,
self.time_start,
self.time_zoom,
self.note_cursor,
self.note_start,
Some(if self.focused {
Style::default().green().not_dim()
} else {
Style::default().green().dim()
})
)?;
self.draw_horizontal(buf, area)?;
Ok(area)
}
}
impl<'a> SequencerView<'a> {
fn draw_horizontal (&self, buf: &mut Buffer, area: Rect) -> Usually<()> {
let style = Some(if self.focused {
Style::default().green().not_dim()
} else {
Style::default().green().dim()
});
let notes = &[];
pulse_to_note_length(self.time_zoom)
.blit(buf, area.x, area.y, Some(Style::default().dim()));
self::horizontal::keys(buf, area, self.note_start, notes)?;
if let Some(phrase) = self.phrase {
self::horizontal::timer(buf, area, self.time_start, self.time_zoom, self.now % phrase.length);
self::horizontal::lanes(buf, area, phrase, self.ppq, self.time_zoom, self.time_start, self.note_start);
}
let style = style.unwrap_or_else(||{Style::default().green().not_dim()});
self::horizontal::cursor(buf, area, style, self.time_cursor, self.note_cursor);
Ok(())
}
}
fn pulse_to_note_length (time_z: usize) -> &'static str {
match time_z {
1 => "1/384",
2 => "1/192",
3 => "1/128",
4 => "1/96",
6 => "1/64",
8 => "1/48",
12 => "1/32",
16 => "1/24",
24 => "1/16",
32 => "1/12",
48 => "1/8",
64 => "1/6",
96 => "1/4",
128 => "1/3",
192 => "1/2",
384 => "1/1",
_ => ""
}
}
mod horizontal {
use crate::core::*;
use super::*;
pub fn draw (
buf: &mut Buffer,
area: Rect,
phrase: Option<&Phrase>,
ppq: usize,
time: usize,
time0: usize,
time_z: usize,
note: usize,
note0: usize,
style: Option<Style>,
) -> Usually<Rect> {
let now = 0;
let notes = &[];
match time_z {
1 => "1/384",
2 => "1/192",
3 => "1/128",
4 => "1/96",
6 => "1/64",
8 => "1/48",
12 => "1/32",
16 => "1/24",
24 => "1/16",
32 => "1/12",
48 => "1/8",
64 => "1/6",
96 => "1/4",
128 => "1/3",
192 => "1/2",
384 => "1/1",
_ => ""
}.blit(buf, area.x, area.y, Some(Style::default().dim()));
keys(buf, area, note0, notes)?;
timer(buf, area, time0, now);
if let Some(phrase) = phrase {
lanes(buf, area, phrase, ppq, time_z, time0, note0);
}
let style = style.unwrap_or_else(||{Style::default().green().not_dim()});
cursor(buf, area, style, time, note);
//footer(buf, area, note0, note, time0, time, time_z);
Ok(area)
}
pub fn timer (buf: &mut Buffer, area: Rect, time0: usize, now: usize) {
let x = area.x + 5;
for step in time0..(time0+area.width as usize).saturating_sub(5) {
buf.set_string(x + step as u16, area.y, &"-", if step == now {
pub fn timer (buf: &mut Buffer, area: Rect, time0: usize, time_z: usize, now: usize) {
let Rect { x, width, .. } = area;
let offset = 5;
for x in x+offset..x+width-offset {
let step = (time0 + (x-offset) as usize) * time_z;
let next_step = (time0 + (x-offset) as usize + 1) * time_z;
let style = if step <= now && now < next_step {
Style::default().yellow().bold().not_dim()
} else {
Style::default()
});
};
"-".blit(buf, x, area.y, Some(style))
}
}
@ -164,16 +155,19 @@ mod horizontal {
for index in 0..height-2 {
let note_a = note0 + index as usize * 2;
let note_b = note0 + index as usize * 2 + 1;
let (character, style) = match (
let (character, mut style) = match (
phrase.contains_note_on(u7::from_int_lossy(note_a as u8), a, b),
phrase.contains_note_on(u7::from_int_lossy(note_b as u8), a, b),
) {
(true, true) => ("", wh),
(false, true) => ("", wh),
(true, false) => ("", wh),
(false, false) => ("·", bw),
(false, false) => (if step % ppq == 0 { "|" } else { "·" }, bw),
};
let y = y + height.saturating_sub(index+2) as u16;
if step > phrase.length {
style = Style::default().gray()
}
character.blit(buf, x, y, Some(style));
}
}