wip: remodularize 2

This commit is contained in:
🪞👃🪞 2025-01-08 19:19:35 +01:00
parent 3b6ff81dad
commit d38dc14e84
27 changed files with 564 additions and 563 deletions

View file

@ -1,6 +1,3 @@
pub(crate) use ::tek_tui::{*, tek_input::*, tek_output::*, crossterm::event::KeyCode};
pub(crate) use ::tek_jack::*;
mod midi_pool; pub(crate) use midi_pool::*;
mod midi_clip; pub(crate) use midi_clip::*;
mod midi_launch; pub(crate) use midi_launch::*;
@ -8,11 +5,34 @@ mod midi_player; pub(crate) use midi_player::*;
mod midi_in; pub(crate) use midi_in::*;
mod midi_out; pub(crate) use midi_out::*;
mod midi_note; pub(crate) use midi_note::*;
mod midi_pitch; pub(crate) use midi_pitch::*;
mod midi_range; pub(crate) use midi_range::*;
mod midi_point; pub(crate) use midi_point::*;
mod midi_view; pub(crate) use midi_view::*;
mod midi_editor; pub(crate) use midi_editor::*;
mod midi_select; pub(crate) use midi_select::*;
mod piano_h; pub(crate) use self::piano_h::*;
mod piano_h_cursor; pub(crate) use self::piano_h_cursor::*;
mod piano_h_keys; pub(crate) use self::piano_h_keys::*;
mod piano_h_notes; pub(crate) use self::piano_h_notes::*;
mod piano_h_time; pub(crate) use self::piano_h_time::*;
pub(crate) use ::tek_time::*;
pub(crate) use ::tek_jack::{*, jack::*};
pub(crate) use ::tek_tui::{
*,
tek_input::*,
tek_output::*,
crossterm::event::KeyCode,
ratatui::style::{Style, Stylize, Color}
};
pub(crate) use std::sync::{Arc, RwLock, atomic::{AtomicUsize, AtomicBool, Ordering::Relaxed}};
pub(crate) use std::path::PathBuf;
pub(crate) use std::fmt::Debug;
pub use ::midly; pub(crate) use ::midly::{*, num::*, live::*};
/// Add "all notes off" to the start of a buffer.
pub fn all_notes_off (output: &mut [Vec<Vec<u8>>]) {
@ -24,7 +44,7 @@ pub fn all_notes_off (output: &mut [Vec<Vec<u8>>]) {
}
/// Return boxed iterator of MIDI events
pub fn parse_midi_input (input: MidiIter) -> Box<dyn Iterator<Item=(usize, LiveEvent, &[u8])> + '_> {
pub fn parse_midi_input <'a> (input: MidiIter<'a>) -> Box<dyn Iterator<Item=(usize, LiveEvent<'a>, &'a [u8])> + 'a> {
Box::new(input.map(|RawMidi { time, bytes }|(
time as usize,
LiveEvent::parse(bytes).unwrap(),
@ -41,3 +61,41 @@ pub fn update_keys (keys: &mut[bool;128], message: &MidiMessage) {
}
}
/// A phrase, rendered as a horizontal piano roll.
pub struct PianoHorizontal {
phrase: Option<Arc<RwLock<MidiClip>>>,
/// Buffer where the whole phrase is rerendered on change
buffer: Arc<RwLock<BigBuffer>>,
/// Size of actual notes area
size: Measure<TuiOut>,
/// The display window
range: MidiRangeModel,
/// The note cursor
point: MidiPointModel,
/// The highlight color palette
color: ItemPalette,
/// Width of the keyboard
keys_width: u16,
}
impl PianoHorizontal {
pub fn new (phrase: Option<&Arc<RwLock<MidiClip>>>) -> Self {
let size = Measure::new();
let mut range = MidiRangeModel::from((24, true));
range.time_axis = size.x.clone();
range.note_axis = size.y.clone();
let mut piano = Self {
keys_width: 5,
size,
range,
buffer: RwLock::new(Default::default()).into(),
point: MidiPointModel::default(),
phrase: phrase.cloned(),
color: phrase.as_ref()
.map(|p|p.read().unwrap().color)
.unwrap_or(ItemPalette::from(ItemColor::from(TuiTheme::g(64)))),
};
piano.redraw();
piano
}
}

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@ -204,16 +204,16 @@ keymap!(KEYS_MIDI_EDITOR = |s: MidiEditor, _input: Event| MidiEditCommand {
alt(key(Right)) => SetTimeCursor((s.time_point() + s.time_zoom().get()) % s.phrase_length()),
key(Char('d')) => SetTimeCursor((s.time_point() + s.note_len()) % s.phrase_length()),
key(Char('z')) => SetTimeLock(!s.time_lock().get()),
key(Char('-')) => SetTimeZoom(if s.time_lock().get() { s.time_zoom().get() } else { Note::next(s.time_zoom().get()) }),
key(Char('_')) => SetTimeZoom(if s.time_lock().get() { s.time_zoom().get() } else { Note::next(s.time_zoom().get()) }),
key(Char('=')) => SetTimeZoom(if s.time_lock().get() { s.time_zoom().get() } else { Note::prev(s.time_zoom().get()) }),
key(Char('+')) => SetTimeZoom(if s.time_lock().get() { s.time_zoom().get() } else { Note::prev(s.time_zoom().get()) }),
key(Char('-')) => SetTimeZoom(if s.time_lock().get() { s.time_zoom().get() } else { NoteDuration::next(s.time_zoom().get()) }),
key(Char('_')) => SetTimeZoom(if s.time_lock().get() { s.time_zoom().get() } else { NoteDuration::next(s.time_zoom().get()) }),
key(Char('=')) => SetTimeZoom(if s.time_lock().get() { s.time_zoom().get() } else { NoteDuration::prev(s.time_zoom().get()) }),
key(Char('+')) => SetTimeZoom(if s.time_lock().get() { s.time_zoom().get() } else { NoteDuration::prev(s.time_zoom().get()) }),
key(Enter) => PutNote,
ctrl(key(Enter)) => AppendNote,
key(Char(',')) => SetNoteLength(Note::prev(s.note_len())),
key(Char('.')) => SetNoteLength(Note::next(s.note_len())),
key(Char('<')) => SetNoteLength(Note::prev(s.note_len())),
key(Char('>')) => SetNoteLength(Note::next(s.note_len())),
key(Char(',')) => SetNoteLength(NoteDuration::prev(s.note_len())),
key(Char('.')) => SetNoteLength(NoteDuration::next(s.note_len())),
key(Char('<')) => SetNoteLength(NoteDuration::prev(s.note_len())),
key(Char('>')) => SetNoteLength(NoteDuration::next(s.note_len())),
//// TODO: kpat!(Char('/')) => // toggle 3plet
//// TODO: kpat!(Char('?')) => // toggle dotted
});

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@ -1,56 +0,0 @@
use crate::*;
pub struct Note;
impl Note {
pub const NAMES: [&str; 128] = [
"C0", "C#0", "D0", "D#0", "E0", "F0", "F#0", "G0", "G#0", "A0", "A#0", "B0",
"C1", "C#1", "D1", "D#1", "E1", "F1", "F#1", "G1", "G#1", "A1", "A#1", "B1",
"C2", "C#2", "D2", "D#2", "E2", "F2", "F#2", "G2", "G#2", "A2", "A#2", "B2",
"C3", "C#3", "D3", "D#3", "E3", "F3", "F#3", "G3", "G#3", "A3", "A#3", "B3",
"C4", "C#4", "D4", "D#4", "E4", "F4", "F#4", "G4", "G#4", "A4", "A#4", "B4",
"C5", "C#5", "D5", "D#5", "E5", "F5", "F#5", "G5", "G#5", "A5", "A#5", "B5",
"C6", "C#6", "D6", "D#6", "E6", "F6", "F#6", "G6", "G#6", "A6", "A#6", "B6",
"C7", "C#7", "D7", "D#7", "E7", "F7", "F#7", "G7", "G#7", "A7", "A#7", "B7",
"C8", "C#8", "D8", "D#8", "E8", "F8", "F#8", "G8", "G#8", "A8", "A#8", "B8",
"C9", "C#9", "D9", "D#9", "E9", "F9", "F#9", "G9", "G#9", "A9", "A#9", "B9",
"C10", "C#10", "D10", "D#10", "E10", "F10", "F#10", "G10",
];
pub fn pitch_to_name (n: usize) -> &'static str {
if n > 127 {
panic!("to_note_name({n}): must be 0-127");
}
Self::NAMES[n]
}
/// (pulses, name), assuming 96 PPQ
pub const DURATIONS: [(usize, &str);26] = [
(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"), (256, "2/3"),
(384, "1/1"), (512, "4/3"),
(576, "3/2"), (768, "2/1"),
(1152, "3/1"), (1536, "4/1"),
(2304, "6/1"), (3072, "8/1"),
(3456, "9/1"), (6144, "16/1"),
];
/// Returns the next shorter length
pub fn prev (pulses: usize) -> usize {
for (length, _) in Self::DURATIONS.iter().rev() { if *length < pulses { return *length } }
pulses
}
/// Returns the next longer length
pub fn next (pulses: usize) -> usize {
for (length, _) in Self::DURATIONS.iter() { if *length > pulses { return *length } }
pulses
}
pub fn pulses_to_name (pulses: usize) -> &'static str {
for (length, name) in Self::DURATIONS.iter() { if *length == pulses { return name } }
""
}
}

25
midi/src/midi_pitch.rs Normal file
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@ -0,0 +1,25 @@
use crate::*;
pub struct Note;
impl Note {
pub const NAMES: [&str; 128] = [
"C0", "C#0", "D0", "D#0", "E0", "F0", "F#0", "G0", "G#0", "A0", "A#0", "B0",
"C1", "C#1", "D1", "D#1", "E1", "F1", "F#1", "G1", "G#1", "A1", "A#1", "B1",
"C2", "C#2", "D2", "D#2", "E2", "F2", "F#2", "G2", "G#2", "A2", "A#2", "B2",
"C3", "C#3", "D3", "D#3", "E3", "F3", "F#3", "G3", "G#3", "A3", "A#3", "B3",
"C4", "C#4", "D4", "D#4", "E4", "F4", "F#4", "G4", "G#4", "A4", "A#4", "B4",
"C5", "C#5", "D5", "D#5", "E5", "F5", "F#5", "G5", "G#5", "A5", "A#5", "B5",
"C6", "C#6", "D6", "D#6", "E6", "F6", "F#6", "G6", "G#6", "A6", "A#6", "B6",
"C7", "C#7", "D7", "D#7", "E7", "F7", "F#7", "G7", "G#7", "A7", "A#7", "B7",
"C8", "C#8", "D8", "D#8", "E8", "F8", "F#8", "G8", "G#8", "A8", "A#8", "B8",
"C9", "C#9", "D9", "D#9", "E9", "F9", "F#9", "G9", "G#9", "A9", "A#9", "B9",
"C10", "C#10", "D10", "D#10", "E10", "F10", "F#10", "G10",
];
pub fn pitch_to_name (n: usize) -> &'static str {
if n > 127 {
panic!("to_note_name({n}): must be 0-127");
}
Self::NAMES[n]
}
}

73
midi/src/midi_select.rs Normal file
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@ -0,0 +1,73 @@
use crate::*;
pub struct ClipSelected {
pub(crate) title: &'static str,
pub(crate) name: Arc<str>,
pub(crate) color: ItemPalette,
pub(crate) time: Arc<str>,
}
render!(TuiOut: (self: ClipSelected) =>
FieldV(self.color, self.title, format!("{} {}", self.time, self.name)));
impl ClipSelected {
/// Shows currently playing phrase with beats elapsed
pub fn play_phrase <T: HasPlayPhrase + HasClock> (state: &T) -> Self {
let (name, color) = if let Some((_, Some(phrase))) = state.play_phrase() {
let MidiClip { ref name, color, .. } = *phrase.read().unwrap();
(name.clone().into(), color)
} else {
("".to_string().into(), TuiTheme::g(64).into())
};
Self {
title: "Now",
name,
color,
time: state.pulses_since_start_looped()
.map(|(times, time)|format!("{:>3}x {:>}",
times+1.0,
state.clock().timebase.format_beats_1(time)))
.unwrap_or_else(||String::from(" ")).into()
}
}
/// Shows next phrase with beats remaining until switchover
pub fn next_phrase <T: HasPlayPhrase> (state: &T) -> Self {
let mut time: Arc<str> = String::from("--.-.--").into();
let mut name: Arc<str> = String::from("").into();
let mut color = ItemPalette::from(TuiTheme::g(64));
if let Some((t, Some(phrase))) = state.next_phrase() {
let phrase = phrase.read().unwrap();
name = phrase.name.clone();
color = phrase.color.clone();
time = {
let target = t.pulse.get();
let current = state.clock().playhead.pulse.get();
if target > current {
let remaining = target - current;
format!("-{:>}", state.clock().timebase.format_beats_1(remaining))
} else {
String::new()
}
}.into()
} else if let Some((t, Some(phrase))) = state.play_phrase() {
let phrase = phrase.read().unwrap();
if phrase.looped {
name = phrase.name.clone();
color = phrase.color.clone();
let target = t.pulse.get() + phrase.length as f64;
let current = state.clock().playhead.pulse.get();
if target > current {
time = format!("-{:>}", state.clock().timebase.format_beats_0(
target - current
)).into()
}
} else {
name = "Stop".to_string().into();
}
};
Self { title: "Next", time, name, color, }
}
}

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@ -30,7 +30,7 @@ pub trait MidiViewer: HasSize<TuiOut> + MidiRange + MidiPoint + Debug + Send + S
let time_zoom = self.time_zoom().get();
let time_area = time_axis * time_zoom;
if time_area > time_len {
let next_time_zoom = Note::prev(time_zoom);
let next_time_zoom = NoteDuration::prev(time_zoom);
if next_time_zoom <= 1 {
break
}
@ -41,7 +41,7 @@ pub trait MidiViewer: HasSize<TuiOut> + MidiRange + MidiPoint + Debug + Send + S
break
}
} else if time_area < time_len {
let prev_time_zoom = Note::next(time_zoom);
let prev_time_zoom = NoteDuration::next(time_zoom);
if prev_time_zoom > 384 {
break
}

161
midi/src/piano_h.rs Normal file
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@ -0,0 +1,161 @@
use crate::*;
use super::*;
pub(crate) fn note_y_iter (note_lo: usize, note_hi: usize, y0: u16) -> impl Iterator<Item=(usize, u16, usize)> {
(note_lo..=note_hi).rev().enumerate().map(move|(y, n)|(y, y0 + y as u16, n))
}
render!(TuiOut: (self: PianoHorizontal) => Bsp::s(
Fixed::y(1, Bsp::e(
Fixed::x(self.keys_width, ""),
Fill::x(PianoHorizontalTimeline(self)),
)),
Fill::xy(Bsp::e(
Fixed::x(self.keys_width, PianoHorizontalKeys(self)),
Fill::xy(self.size.of(lay!(
Fill::xy(PianoHorizontalNotes(self)),
Fill::xy(PianoHorizontalCursor(self)),
))),
)),
));
impl PianoHorizontal {
/// Draw the piano roll foreground using full blocks on note on and half blocks on legato: █▄ █▄ █▄
fn draw_bg (buf: &mut BigBuffer, phrase: &MidiClip, zoom: usize, note_len: usize) {
for (y, note) in (0..=127).rev().enumerate() {
for (x, time) in (0..buf.width).map(|x|(x, x*zoom)) {
let cell = buf.get_mut(x, y).unwrap();
cell.set_bg(phrase.color.darkest.rgb);
cell.set_fg(phrase.color.darker.rgb);
cell.set_char(if time % 384 == 0 {
'│'
} else if time % 96 == 0 {
'╎'
} else if time % note_len == 0 {
'┊'
} else if (127 - note) % 12 == 0 {
'='
} else if (127 - note) % 6 == 0 {
'—'
} else {
'·'
});
}
}
}
/// Draw the piano roll background using full blocks on note on and half blocks on legato: █▄ █▄ █▄
fn draw_fg (buf: &mut BigBuffer, phrase: &MidiClip, zoom: usize) {
let style = Style::default().fg(phrase.color.base.rgb);//.bg(Color::Rgb(0, 0, 0));
let mut notes_on = [false;128];
for (x, time_start) in (0..phrase.length).step_by(zoom).enumerate() {
for (y, note) in (0..=127).rev().enumerate() {
if let Some(cell) = buf.get_mut(x, note) {
if notes_on[note] {
cell.set_char('▂');
cell.set_style(style);
}
}
}
let time_end = time_start + zoom;
for time in time_start..time_end.min(phrase.length) {
for event in phrase.notes[time].iter() {
match event {
MidiMessage::NoteOn { key, .. } => {
let note = key.as_int() as usize;
let cell = buf.get_mut(x, note).unwrap();
cell.set_char('█');
cell.set_style(style);
notes_on[note] = true
},
MidiMessage::NoteOff { key, .. } => {
notes_on[key.as_int() as usize] = false
},
_ => {}
}
}
}
}
}
}
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() }
fn time_lock (&self) -> &AtomicBool { self.range.time_lock() }
fn time_start (&self) -> &AtomicUsize { self.range.time_start() }
fn time_axis (&self) -> &AtomicUsize { self.range.time_axis() }
}
impl NoteRange for PianoHorizontal {
fn note_lo (&self) -> &AtomicUsize { self.range.note_lo() }
fn note_axis (&self) -> &AtomicUsize { self.range.note_axis() }
}
impl NotePoint for PianoHorizontal {
fn note_len (&self) -> usize { self.point.note_len() }
fn set_note_len (&self, x: usize) { self.point.set_note_len(x) }
fn note_point (&self) -> usize { self.point.note_point() }
fn set_note_point (&self, x: usize) { self.point.set_note_point(x) }
}
impl TimePoint for PianoHorizontal {
fn time_point (&self) -> usize { self.point.time_point() }
fn set_time_point (&self, x: usize) { self.point.set_time_point(x) }
}
impl MidiViewer for PianoHorizontal {
fn phrase (&self) -> &Option<Arc<RwLock<MidiClip>>> {
&self.phrase
}
fn phrase_mut (&mut self) -> &mut Option<Arc<RwLock<MidiClip>>> {
&mut self.phrase
}
/// Determine the required space to render the phrase.
fn buffer_size (&self, phrase: &MidiClip) -> (usize, usize) {
(phrase.length / self.range.time_zoom().get(), 128)
}
fn redraw (&self) {
let buffer = if let Some(phrase) = self.phrase.as_ref() {
let phrase = phrase.read().unwrap();
let buf_size = self.buffer_size(&phrase);
let mut buffer = BigBuffer::from(buf_size);
let note_len = self.note_len();
let time_zoom = self.time_zoom().get();
self.time_len().set(phrase.length);
PianoHorizontal::draw_bg(&mut buffer, &phrase, time_zoom, note_len);
PianoHorizontal::draw_fg(&mut buffer, &phrase, time_zoom);
buffer
} else {
Default::default()
};
*self.buffer.write().unwrap() = buffer
}
fn set_phrase (&mut self, phrase: Option<&Arc<RwLock<MidiClip>>>) {
*self.phrase_mut() = phrase.cloned();
self.color = phrase.map(|p|p.read().unwrap().color)
.unwrap_or(ItemPalette::from(ItemColor::from(TuiTheme::g(64))));
self.redraw();
}
}
impl std::fmt::Debug for PianoHorizontal {
fn fmt (&self, f: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
let buffer = self.buffer.read().unwrap();
f.debug_struct("PianoHorizontal")
.field("time_zoom", &self.range.time_zoom)
.field("buffer", &format!("{}x{}", buffer.width, buffer.height))
.finish()
}
}
// Update sequencer playhead indicator
//self.now().set(0.);
//if let Some((ref started_at, Some(ref playing))) = self.player.play_phrase {
//let phrase = phrase.read().unwrap();
//if *playing.read().unwrap() == *phrase {
//let pulse = self.current().pulse.get();
//let start = started_at.pulse.get();
//let now = (pulse - start) % phrase.length as f64;
//self.now().set(now);
//}
//}

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@ -0,0 +1,33 @@
use crate::*;
use super::*;
pub struct PianoHorizontalCursor<'a>(pub(crate) &'a PianoHorizontal);
render!(TuiOut: |self: PianoHorizontalCursor<'a>, render|{
let style = Some(Style::default().fg(self.0.color.lightest.rgb));
let note_hi = self.0.note_hi();
let note_len = self.0.note_len();
let note_lo = self.0.note_lo().get();
let note_point = self.0.note_point();
let time_point = self.0.time_point();
let time_start = self.0.time_start().get();
let time_zoom = self.0.time_zoom().get();
let [x0, y0, w, _] = render.area().xywh();
for (area_y, screen_y, note) in note_y_iter(note_lo, note_hi, y0) {
if note == note_point {
for x in 0..w {
let screen_x = x0 + x;
let time_1 = time_start + x as usize * time_zoom;
let time_2 = time_1 + time_zoom;
if time_1 <= time_point && time_point < time_2 {
render.blit(&"", screen_x, screen_y, style);
let tail = note_len as u16 / time_zoom as u16;
for x_tail in (screen_x + 1)..(screen_x + tail) {
render.blit(&"", x_tail, screen_y, style);
}
break
}
}
break
}
}
});

59
midi/src/piano_h_keys.rs Normal file
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@ -0,0 +1,59 @@
use crate::*;
use super::*;
pub struct PianoHorizontalKeys<'a>(pub(crate) &'a PianoHorizontal);
render!(TuiOut: |self: PianoHorizontalKeys<'a>, to|{
let state = self.0;
let color = state.color;
let note_lo = state.note_lo().get();
let note_hi = state.note_hi();
let note_point = state.note_point();
let [x, y0, w, h] = to.area().xywh();
let key_style = Some(Style::default().fg(Color::Rgb(192, 192, 192)).bg(Color::Rgb(0, 0, 0)));
let off_style = Some(Style::default().fg(TuiTheme::g(160)));
let on_style = Some(Style::default().fg(TuiTheme::g(255)).bg(color.base.rgb).bold());
for (area_y, screen_y, note) in note_y_iter(note_lo, note_hi, y0) {
to.blit(&to_key(note), x, screen_y, key_style);
if note > 127 {
continue
}
if note == note_point {
to.blit(&format!("{:<5}", Note::pitch_to_name(note)), x, screen_y, on_style)
} else {
to.blit(&Note::pitch_to_name(note), x, screen_y, off_style)
};
}
});
has_color!(|self: PianoHorizontalKeys<'a>|self.0.color.base);
impl<'a> NoteRange for PianoHorizontalKeys<'a> {
fn note_lo (&self) -> &AtomicUsize { &self.0.note_lo() }
fn note_axis (&self) -> &AtomicUsize { &self.0.note_axis() }
}
impl<'a> NotePoint for PianoHorizontalKeys<'a> {
fn note_len (&self) -> usize { self.0.note_len() }
fn set_note_len (&self, x: usize) { self.0.set_note_len(x) }
fn note_point (&self) -> usize { self.0.note_point() }
fn set_note_point (&self, x: usize) { self.0.set_note_point(x) }
}
fn to_key (note: usize) -> &'static str {
match note % 12 {
11 => "████▌",
10 => " ",
9 => "████▌",
8 => " ",
7 => "████▌",
6 => " ",
5 => "████▌",
4 => "████▌",
3 => " ",
2 => "████▌",
1 => " ",
0 => "████▌",
_ => unreachable!(),
}
}

35
midi/src/piano_h_notes.rs Normal file
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@ -0,0 +1,35 @@
use crate::*;
use super::*;
pub struct PianoHorizontalNotes<'a>(pub(crate) &'a PianoHorizontal);
render!(TuiOut: |self: PianoHorizontalNotes<'a>, render|{
let time_start = self.0.time_start().get();
let note_axis = self.0.note_axis().get();
let note_lo = self.0.note_lo().get();
let note_hi = self.0.note_hi();
let note_point = self.0.note_point();
let source = self.0.buffer.read().unwrap();
let [x0, y0, w, h] = render.area().xywh();
if h as usize != note_axis {
panic!("area height mismatch: {h} <> {note_axis}");
}
for (area_x, screen_x) in (x0..x0+w).enumerate() {
for (area_y, screen_y, note) in note_y_iter(note_lo, note_hi, y0) {
let source_x = time_start + area_x;
let source_y = note_hi - area_y;
// TODO: enable loop rollover:
//let source_x = (time_start + area_x) % source.width.max(1);
//let source_y = (note_hi - area_y) % source.height.max(1);
let is_in_x = source_x < source.width;
let is_in_y = source_y < source.height;
if is_in_x && is_in_y {
if let Some(source_cell) = source.get(source_x, source_y) {
if let Some(cell) = render.buffer.cell_mut(ratatui::prelude::Position::from((screen_x, screen_y))) {
*cell = source_cell.clone();
}
}
}
}
}
});

15
midi/src/piano_h_time.rs Normal file
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@ -0,0 +1,15 @@
use crate::*;
use super::*;
pub struct PianoHorizontalTimeline<'a>(pub(crate) &'a PianoHorizontal);
render!(TuiOut: |self: PianoHorizontalTimeline<'a>, render|{
let [x, y, w, h] = render.area();
let style = Some(Style::default().dim());
let length = self.0.phrase.as_ref().map(|p|p.read().unwrap().length).unwrap_or(1);
for (area_x, screen_x) in (0..w).map(|d|(d, d+x)) {
let t = area_x as usize * self.0.time_zoom().get();
if t < length {
render.blit(&"|", screen_x, y, style);
}
}
});