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somewhat working ui

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deadYokai
2026-04-21 00:51:47 +03:00
parent de2021d9b8
commit 4c42811ab2
5 changed files with 473 additions and 39 deletions
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Cargo.lock generated
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@@ -91,7 +91,7 @@ dependencies = [
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@@ -3758,7 +4053,7 @@ dependencies = [
"android-activity",
"atomic-waker",
"bitflags 2.11.1",
"block2",
"block2 0.5.1",
"bytemuck",
"calloop 0.13.0",
"cfg_aliases",

1
Cargo.toml
View File

@@ -19,3 +19,4 @@ lv2 = "0.6.0"
vizia = "0.3.0"
atomic_float = "1.1.0"
crossbeam-channel = "0.5.15"
cpal = "0.17.3"

3
crates/ui/Cargo.toml
View File

@@ -6,3 +6,6 @@ edition.workspace = true
[dependencies]
params = { workspace = true }
vizia = { workspace = true }
engine = { workspace = true}
crossbeam-channel = { workspace = true }
cpal = { workspace = true }

45
crates/ui/src/app.rs
View File

@@ -1,3 +1,4 @@
use crossbeam_channel::Sender;
use params::{ParamId, ParamStore};
use vizia::prelude::*;
@@ -6,6 +7,13 @@ use crate::widgets::piano::PianoKeyboard;
pub const MOD_NSRC: usize = 19;
pub const MOD_NDST: usize = 11;
#[derive(Clone, Copy, Debug)]
pub enum MidiMsg {
NoteOn(u8, u8),
NoteOff(u8),
AllNotesOff,
}
#[derive(Clone, Copy, Debug, PartialEq, Data)]
pub enum Panel {
Voice,
@@ -41,10 +49,12 @@ pub struct AppData {
pub active_env: usize,
pub active_lfo: usize,
pub fx_selected: usize,
#[lens(ignore)]
pub midi_tx: Sender<MidiMsg>,
}
impl AppData {
pub fn new(store: ParamStore) -> Self {
pub fn new(store: ParamStore, midi_tx: Sender<MidiMsg>) -> Self {
let params = (0..ParamId::COUNT)
.map(|i| store.get(unsafe { std::mem::transmute::<usize, ParamId>(i) }))
.collect();
@@ -63,6 +73,7 @@ impl AppData {
active_env: 0,
active_lfo: 0,
fx_selected: 0,
midi_tx,
}
}
}
@@ -96,34 +107,45 @@ impl Model for AppData {
self.params[*id as usize] = *val;
self.store.set(*id, *val);
}
AppEvent::SetPanel(p) => self.active_panel = *p,
AppEvent::SelectEnv(i) => self.active_env = *i,
AppEvent::SelectLfo(i) => self.active_lfo = *i,
AppEvent::SelectFx(i) => self.fx_selected = *i,
AppEvent::UpdateMetrics { voices, cpu } => {
self.voice_count = *voices;
self.cpu_load = *cpu;
}
AppEvent::NoteOn(note, _) => {
AppEvent::NoteOn(note, vel) => {
if !self.held_notes.contains(note) {
self.held_notes.push(*note);
}
let _ = self.midi_tx.try_send(MidiMsg::NoteOn(*note, *vel));
}
AppEvent::NoteOff(note) => self.held_notes.retain(|n| n != note),
AppEvent::NoteOff(note) => {
self.held_notes.retain(|n| n != note);
let _ = self.midi_tx.try_send(MidiMsg::NoteOff(*note));
}
AppEvent::OctaveUp => self.octave = (self.octave + 1).min(8),
AppEvent::OctaveDown => self.octave = (self.octave - 1).max(0),
AppEvent::SetModDepth { src, dst, depth } => {
let idx = src * MOD_NDST + dst;
if idx < self.mod_depths.len() {
self.mod_depths[idx] = depth.clamp(-1.0, 1.0);
}
}
AppEvent::ToggleFx(s) => {
if *s < self.fx_enabled.len() {
self.fx_enabled[*s] = !self.fx_enabled[*s];
}
}
AppEvent::SelectEnv(i) => self.active_env = *i,
AppEvent::SelectLfo(i) => self.active_lfo = *i,
AppEvent::SelectFx(i) => self.fx_selected = *i,
});
event.map(|we: &WindowEvent, _| {
crate::widgets::piano::handle_kbd(cx, we, self.octave);
});
@@ -158,3 +180,14 @@ pub fn build_root(cx: &mut Context) {
.width(Stretch(1.0))
.height(Stretch(1.0));
}
fn tab_button(cx: &mut Context, p: Panel) {
Binding::new(cx, AppData::active_panel, move |cx, active_lens| {
let active = active_lens.get(cx) == p;
Label::new(cx, p.label())
.class("top-tab")
.checked(active)
.on_press(move |cx| cx.emit(AppEvent::SetPanel(p)))
.height(Stretch(1.0));
});
}

108
crates/ui/src/main.rs
View File

@@ -2,15 +2,28 @@ mod app;
mod panels;
mod widgets;
fn main() {
use app::AppData;
use std::sync::Arc;
use app::{AppData, MidiMsg};
use crossbeam_channel::bounded;
use engine::oscillator::WavetableBank;
use engine::synth::Synth;
use params::ParamStore;
use vizia::prelude::*;
fn main() {
let store = ParamStore::new();
let bank = Arc::new(WavetableBank::new());
let (midi_tx, midi_rx) = bounded::<MidiMsg>(1024);
let audio_store = store.clone();
let _stream = build_audio_stream(audio_store, bank, midi_rx);
let _ = Application::new(|cx| {
cx.add_stylesheet(include_str!("theme.css"))
.expect("theme.css");
AppData::new(ParamStore::new()).build(cx);
AppData::new(store, midi_tx).build(cx);
app::build_root(cx);
cx.focus();
})
@@ -19,3 +32,92 @@ fn main() {
.resizable(false)
.run();
}
fn build_audio_stream(
store: ParamStore,
bank: Arc<WavetableBank>,
midi_rx: crossbeam_channel::Receiver<MidiMsg>,
) -> cpal::Stream {
use cpal::traits::{DeviceTrait, HostTrait, StreamTrait};
let host = cpal::default_host();
let device = host
.default_output_device()
.expect("no audio output device available");
let config = device
.default_output_config()
.expect("no default output config");
let sr = config.sample_rate() as f32;
let synth = Synth::new(sr, store, bank);
let host_bpm = 120.0f32;
let stream = match config.sample_format() {
cpal::SampleFormat::F32 => {
build_stream_f32(&device, &config.into(), synth, midi_rx, host_bpm)
}
_fmt => {
let cfg: cpal::StreamConfig = config.into();
build_stream_f32(&device, &cfg, synth, midi_rx, host_bpm)
}
};
stream.play().expect("failed to start audio stream");
stream
}
fn build_stream_f32(
device: &cpal::Device,
config: &cpal::StreamConfig,
mut synth: Synth,
midi_rx: crossbeam_channel::Receiver<MidiMsg>,
host_bpm: f32,
) -> cpal::Stream {
use cpal::traits::DeviceTrait;
let channels = config.channels as usize;
device
.build_output_stream(
config,
move |data: &mut [f32], _info: &cpal::OutputCallbackInfo| {
while let Ok(msg) = midi_rx.try_recv() {
match msg {
MidiMsg::NoteOn(note, vel) => synth.note_on(note, vel),
MidiMsg::NoteOff(note) => synth.note_off(note),
MidiMsg::AllNotesOff => {
for n in 0..128 {
synth.note_off(n);
}
}
}
}
let frame_count = data.len() / channels;
for frame in 0..frame_count {
let (l, r) = synth.process(host_bpm);
let base = frame * channels;
match channels {
1 => data[base] = (l + r) * 0.5,
2 => {
data[base] = l;
data[base + 1] = r;
}
n => {
data[base] = l;
data[base + 1] = r;
for ch in 2..n {
data[base + ch] = 0.0;
}
}
}
}
},
|err| eprintln!("audio stream error: {err}"),
None,
)
.expect("failed to build output stream")
}