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refactor: separate Render from Handle

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🪞👃🪞 2024-06-22 10:15:14 +03:00
parent d9b3bd150e
commit 72ead536be
12 changed files with 255 additions and 212 deletions
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55
src/device/sequencer/horizontal.rs
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@ -7,17 +7,26 @@ pub fn draw_horizontal (
mut area: Rect,
beat: usize
) -> Usually<Rect> {
let ppq = s.timebase.ppq() as u32;
area.x = area.x + 13;
draw_keys_horizontal(s, buf, area)?;
let Rect { x, y, width, .. } = area;
let (time0, time1) = s.time_axis;
let (note0, note1) = s.note_axis;
keys(s, buf, area)?;
timer(s, buf, x, y, beat);
let height = 32.max(s.note_axis.1 - s.note_axis.0) / 2;
lanes(s, buf, x, y, width);
cursor(s, buf, x, y);
footer(s, buf, x, y, width, height);
Ok(Rect {
x: x - 13,
y: y,
width: s.time_axis.1 - s.time_axis.0 + 19,
height: height + 3
})
}
fn timer (s: &Sequencer, buf: &mut Buffer, x: u16, y: u16, beat: usize) {
let bw = Style::default().dim();
let bg = Style::default().on_black();
let (time0, time1) = s.time_axis;
for step in time0..time1 {
buf.set_string(x + 6 + step, y - 1, &"-", if beat % s.steps == step as usize {
Style::default().yellow().bold().not_dim()
@ -25,6 +34,13 @@ pub fn draw_horizontal (
Style::default()
});
}
}
fn lanes (s: &Sequencer, buf: &mut Buffer, x: u16, y: u16, width: u16) {
let bw = Style::default().dim();
let bg = Style::default().on_black();
let ppq = s.timebase.ppq() as u32;
let (time0, time1) = s.time_axis;
for step in time0..time1 {
let time_start = step as u32 * ppq;
let time_end = (step + 1) as u32 * ppq;
@ -33,12 +49,16 @@ pub fn draw_horizontal (
}
for (_, (_, events)) in s.sequences[s.sequence].range(time_start..time_end).enumerate() {
if events.len() > 0 {
buf.set_string(x + 5 + step as u16, y, "█", bw);
buf.set_string(x + 6 + step as u16, y, "█", bw);
}
}
}
}
let height = 32.max(note1 - note0) / 2;
fn footer (s: &Sequencer, buf: &mut Buffer, x: u16, y: u16, width: u16, height: u16) {
let bw = Style::default().dim();
let bg = Style::default().on_black();
let (note0, note1) = s.note_axis;
buf.set_string(x - 13, y + height, format!("├{}┤", "-".repeat((width - 2).into())),
Style::default().dim());
{
@ -65,26 +85,25 @@ pub fn draw_horizontal (
x = x + 2;
}
}
}
fn cursor (s: &Sequencer, buf: &mut Buffer, x: u16, y: u16) {
let bw = Style::default().dim();
let bg = Style::default().on_black();
buf.set_string(
x + 6 + s.time_cursor,
y + s.note_cursor / 2,
if s.note_cursor % 2 == 0 { "▀" } else { "▄" },
Style::default()
);
Ok(Rect {
x: x - 13,
y,
width: time1 - time0 + 19,
height: height + 3
})
}
pub fn draw_keys_horizontal (s: &Sequencer, buf: &mut Buffer, mut area: Rect) -> Usually<Rect> {
fn keys (s: &Sequencer, buf: &mut Buffer, mut area: Rect) -> Usually<Rect> {
let bw = Style::default().dim();
let bg = Style::default().on_black();
let Rect { x, y, .. } = area;
let (note0, note1) = s.note_axis;
let (time0, time1) = s.time_axis;
let bw = Style::default().dim();
let bg = Style::default().on_black();
for i in 0..32.max(note1-note0)/2 {
let y = y + i;
buf.set_string(x + 2, y, KEYS_VERTICAL[(i % 6) as usize], bw);