wip: 21 errors!

This commit is contained in:
🪞👃🪞 2024-09-05 17:38:32 +03:00
parent 694970bf0d
commit ea5bc2e3b1
30 changed files with 392 additions and 362 deletions

10
Cargo.lock generated
View file

@ -2524,16 +2524,26 @@ dependencies = [
"suil-rs",
"symphonia",
"tek_core",
"tek_proc",
"vst",
"wavers",
"winit",
]
[[package]]
name = "tek_proc"
version = "0.1.0"
dependencies = [
"quote",
"syn 2.0.60",
]
[[package]]
name = "tek_sequencer"
version = "0.1.0"
dependencies = [
"tek_core",
"tek_proc",
]
[[package]]

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@ -6,7 +6,7 @@ pub enum Collected<'a, E: Engine> {
}
impl<'a, E: Engine> Render<E> for Collected<'a, E> {
fn render (&self, to: &mut E) -> Perhaps<E::Rendered> {
fn render (&self, to: &mut E::RenderInput) -> Perhaps<E::Rendered> {
match self {
Self::Box(item) => (*item).render(to),
Self::Ref(item) => (*item).render(to),

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@ -6,12 +6,25 @@ pub trait App<T: Engine> {
}
/// Platform backend.
pub trait Engine {
type Handled;
type Rendered;
pub trait Engine: Sized {
fn setup (&mut self) -> Usually<()> { Ok(()) }
fn teardown (&mut self) -> Usually<()> { Ok(()) }
fn handle (&self, _: &mut impl Handle<Self>) -> Usually<()> where Self: Sized;
fn render (&mut self, _: &impl Render<Self>) -> Usually<()> where Self: Sized;
fn exited (&self) -> bool;
fn teardown (&mut self) -> Usually<()> { Ok(()) }
type HandleInput;
fn handle (&self, _: &mut impl Handle<Self>) -> Usually<()> where Self: Sized;
type Handled;
type RenderInput;
fn render (&mut self, _: &impl Render<Self>) -> Usually<()> where Self: Sized;
type Rendered;
}
pub trait HandleContext {}
pub trait RenderContext {}
submod! {
render
handle
}

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@ -0,0 +1,46 @@
use crate::*;
/// Handle input
pub trait Handle<E: Engine>: Send + Sync {
fn handle (&mut self, context: &E::HandleInput) -> Perhaps<E::Handled>;
}
impl<H, E: Engine> Handle<E> for &mut H where H: Handle<E> {
fn handle (&mut self, context: &E::HandleInput) -> Perhaps<E::Handled> {
(*self).handle(context)
}
}
impl<H, E: Engine> Handle<E> for Option<H> where H: Handle<E> {
fn handle (&mut self, context: &E::HandleInput) -> Perhaps<E::Handled> {
if let Some(ref mut handle) = self {
handle.handle(context)
} else {
Ok(None)
}
}
}
impl<H, E: Engine> Handle<E> for Mutex<H> where H: Handle<E> {
fn handle (&mut self, context: &E::HandleInput) -> Perhaps<E::Handled> {
self.lock().unwrap().handle(context)
}
}
impl<H, E: Engine> Handle<E> for Arc<Mutex<H>> where H: Handle<E> {
fn handle (&mut self, context: &E::HandleInput) -> Perhaps<E::Handled> {
self.lock().unwrap().handle(context)
}
}
impl<H, E: Engine> Handle<E> for RwLock<H> where H: Handle<E> {
fn handle (&mut self, context: &E::HandleInput) -> Perhaps<E::Handled> {
self.write().unwrap().handle(context)
}
}
impl<H, E: Engine> Handle<E> for Arc<RwLock<H>> where H: Handle<E> {
fn handle (&mut self, context: &E::HandleInput) -> Perhaps<E::Handled> {
self.write().unwrap().handle(context)
}
}

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@ -0,0 +1,69 @@
use crate::*;
/// Render to output.
pub trait Render<E: Engine>: Send + Sync {
fn render (&self, to: &mut E::RenderInput) -> Perhaps<E::Rendered>;
}
/// Options can be rendered optionally.
impl<R, E: Engine> Render<E> for Option<R> where R: Render<E> {
fn render (&self, to: &mut E::RenderInput) -> Perhaps<E::Rendered> {
match self {
Some(component) => component.render(to),
None => Ok(None)
}
}
}
/// Boxed references can be rendered.
impl<'a, E: Engine> Render<E> for Box<dyn Render<E> + 'a> {
fn render (&self, to: &mut E::RenderInput) -> Perhaps<E::Rendered> {
(**self).render(to)
}
}
/// Immutable references can be rendered.
impl<R, E: Engine> Render<E> for &R where R: Render<E> {
fn render (&self, to: &mut E::RenderInput) -> Perhaps<E::Rendered> {
(*self).render(to)
}
}
/// Mutable references can be rendered.
impl<R, E: Engine> Render<E> for &mut R where R: Render<E> {
fn render (&self, to: &mut E::RenderInput) -> Perhaps<E::Rendered> {
(**self).render(to)
}
}
/// Counted references can be rendered.
impl<R, E: Engine> Render<E> for Arc<R> where R: Render<E> {
fn render (&self, to: &mut E::RenderInput) -> Perhaps<E::Rendered> {
self.as_ref().render(to)
}
}
/// References behind a [Mutex] can be rendered.
impl<R, E: Engine> Render<E> for Mutex<R> where R: Render<E> {
fn render (&self, to: &mut E::RenderInput) -> Perhaps<E::Rendered> {
self.lock().unwrap().render(to)
}
}
/// References behind a [RwLock] can be rendered.
impl<R, E: Engine> Render<E> for RwLock<R> where R: Render<E> {
fn render (&self, to: &mut E::RenderInput) -> Perhaps<E::Rendered> {
self.read().unwrap().render(to)
}
}
/// Boxed closures can be rendered.
///
/// Rendering unboxed closures should also be possible;
/// but in practice implementing the trait for an unboxed
/// `Fn` closure causes an impl conflict.
impl<'a, E: Engine> Render<E> for Box<dyn Fn(&mut E::RenderInput) -> Perhaps<E::Rendered> + Send + Sync + 'a> {
fn render (&self, to: &mut E::RenderInput) -> Perhaps<E::Rendered> {
(*self)(to)
}
}

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@ -1,16 +0,0 @@
#[derive(Debug)]
pub enum AppEvent {
/// Terminal input
Input(::crossterm::event::Event),
/// Update values but not the whole form.
Update,
/// Update the whole form.
Redraw,
/// Device gains focus
Focus,
/// Device loses focus
Blur,
// /// JACK notification
// Jack(JackEvent)
}

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@ -1,46 +1 @@
use crate::*;
/// Handle input
pub trait Handle<E: Engine>: Send + Sync {
fn handle (&mut self, context: &E) -> Perhaps<E::Handled>;
}
impl<H, E: Engine> Handle<E> for &mut H where H: Handle<E> {
fn handle (&mut self, context: &E) -> Perhaps<E::Handled> {
(*self).handle(context)
}
}
impl<H, E: Engine> Handle<E> for Option<H> where H: Handle<E> {
fn handle (&mut self, context: &E) -> Perhaps<E::Handled> {
if let Some(ref mut handle) = self {
handle.handle(context)
} else {
Ok(None)
}
}
}
impl<H, E: Engine> Handle<E> for Mutex<H> where H: Handle<E> {
fn handle (&mut self, context: &E) -> Perhaps<E::Handled> {
self.lock().unwrap().handle(context)
}
}
impl<H, E: Engine> Handle<E> for Arc<Mutex<H>> where H: Handle<E> {
fn handle (&mut self, context: &E) -> Perhaps<E::Handled> {
self.lock().unwrap().handle(context)
}
}
impl<H, E: Engine> Handle<E> for RwLock<H> where H: Handle<E> {
fn handle (&mut self, context: &E) -> Perhaps<E::Handled> {
self.write().unwrap().handle(context)
}
}
impl<H, E: Engine> Handle<E> for Arc<RwLock<H>> where H: Handle<E> {
fn handle (&mut self, context: &E) -> Perhaps<E::Handled> {
self.write().unwrap().handle(context)
}
}

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@ -12,7 +12,7 @@ pub trait Device<E: Engine>: Component<E> + Process {
impl<D, E: Engine> Device<E> for D where D: Component<E> + Process {}
impl<E: Engine> Render<E> for Box<dyn Device<E>> {
fn render (&self, to: &mut E) -> Perhaps<E::Rendered> {
fn render (&self, to: &mut E::RenderInput) -> Perhaps<E::Rendered> {
(**self).render(to)
}
}

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@ -16,12 +16,12 @@ impl<E: Engine> std::fmt::Debug for JackDevice<E> {
}
}
impl<E: Engine> Render<E> for JackDevice<E> {
fn render (&self, to: &mut E) -> Perhaps<E::Rendered> {
fn render (&self, to: &mut E::RenderInput) -> Perhaps<E::Rendered> {
self.state.read().unwrap().render(to)
}
}
impl<E: Engine> Handle<E> for JackDevice<E> {
fn handle (&mut self, from: &E) -> Perhaps<E::Handled> {
fn handle (&mut self, from: &E::HandleInput) -> Perhaps<E::Handled> {
self.state.write().unwrap().handle(from)
}
}

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@ -9,10 +9,10 @@ pub type KeyBinding<T> = (
pub type KeyMap<T> = [KeyBinding<T>];
pub fn handle_keymap <T> (
state: &mut T, event: &AppEvent, keymap: &KeyMap<T>,
state: &mut T, event: &TuiEvent, keymap: &KeyMap<T>,
) -> Usually<bool> {
match event {
AppEvent::Input(crossterm::event::Event::Key(event)) => {
TuiEvent::Input(crossterm::event::Event::Key(event)) => {
for (code, modifiers, _, _, command) in keymap.iter() {
if *code == event.code && modifiers.bits() == event.modifiers.bits() {
return command(state)

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@ -30,17 +30,14 @@ submod! {
component
edn
engine
event
exit
focus
handle
jack_core
jack_device
jack_event
jack_ports
keymap
space
render
time
tui
}

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@ -1,69 +1 @@
use crate::*;
/// Render to output.
pub trait Render<E: Engine>: Send + Sync {
fn render (&self, to: &mut E) -> Perhaps<E::Rendered>;
}
/// Options can be rendered optionally.
impl<R, E: Engine> Render<E> for Option<R> where R: Render<E> {
fn render (&self, to: &mut E) -> Perhaps<E::Rendered> {
match self {
Some(component) => component.render(to),
None => Ok(None)
}
}
}
/// Boxed references can be rendered.
impl<'a, E: Engine> Render<E> for Box<dyn Render<E> + 'a> {
fn render (&self, to: &mut E) -> Perhaps<E::Rendered> {
(**self).render(to)
}
}
/// Immutable references can be rendered.
impl<R, E: Engine> Render<E> for &R where R: Render<E> {
fn render (&self, to: &mut E) -> Perhaps<E::Rendered> {
(*self).render(to)
}
}
/// Mutable references can be rendered.
impl<R, E: Engine> Render<E> for &mut R where R: Render<E> {
fn render (&self, to: &mut E) -> Perhaps<E::Rendered> {
(**self).render(to)
}
}
/// Counted references can be rendered.
impl<R, E: Engine> Render<E> for Arc<R> where R: Render<E> {
fn render (&self, to: &mut E) -> Perhaps<E::Rendered> {
self.as_ref().render(to)
}
}
/// References behind a [Mutex] can be rendered.
impl<R, E: Engine> Render<E> for Mutex<R> where R: Render<E> {
fn render (&self, to: &mut E) -> Perhaps<E::Rendered> {
self.lock().unwrap().render(to)
}
}
/// References behind a [RwLock] can be rendered.
impl<R, E: Engine> Render<E> for RwLock<R> where R: Render<E> {
fn render (&self, to: &mut E) -> Perhaps<E::Rendered> {
self.read().unwrap().render(to)
}
}
/// Boxed closures can be rendered.
///
/// Rendering unboxed closures should also be possible;
/// but in practice implementing the trait for an unboxed
/// `Fn` closure causes an impl conflict.
impl<'a, E: Engine> Render<E> for Box<dyn Fn(&mut E) -> Perhaps<E::Rendered> + Send + Sync + 'a> {
fn render (&self, to: &mut E) -> Perhaps<E::Rendered> {
(*self)(to)
}
}

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@ -15,12 +15,15 @@ pub struct Tui {
buffer: usize,
buffers: [Buffer;2],
backend: CrosstermBackend<Stdout>,
event: RwLock<Option<TuiEvent>>,
area: Rect,
sleep: Duration,
poll: Duration,
}
impl Engine for Tui {
type HandleInput = Self;
type Handled = bool;
type RenderInput = Self;
type Rendered = Rect;
fn exited (&self) -> bool {
self.exited.fetch_and(true, Ordering::Relaxed)
@ -46,10 +49,14 @@ impl Engine for Tui {
code: KeyCode::Char('c'), modifiers: KeyModifiers::CONTROL, ..
}) = event {
self.exited.store(true, Ordering::Relaxed);
} else if let Err(e) = state.handle(self) {
} else {
*self.event.write().unwrap() = Some(TuiEvent::Input(event));
let result = state.handle(self);
if let Err(e) = result {
panic!("{e}")
}
}
}
Ok(())
}
fn render (&mut self, state: &impl Render<Self>) -> Usually<()> {
@ -69,6 +76,7 @@ impl Tui {
sleep: Duration::from_millis(20),
poll: Duration::from_millis(100),
exited: Arc::new(AtomicBool::new(false)),
event: RwLock::new(None),
buffer: 0,
buffers: [Buffer::empty(area), Buffer::empty(area)],
backend,
@ -102,6 +110,15 @@ impl Tui {
main_thread.join().expect("main thread failed");
Ok(state)
}
pub fn event (&self) -> TuiEvent {
self.event.read().unwrap().clone().unwrap()
}
pub fn area (&self) -> Rect {
self.area
}
pub fn buffer (&mut self) -> &mut Buffer {
&mut self.buffers[self.buffer]
}
fn flip (&mut self) {
let previous_buffer = &self.buffers[1 - self.buffer];
let current_buffer = &self.buffers[self.buffer];
@ -110,12 +127,6 @@ impl Tui {
self.buffers[1 - self.buffer].reset();
self.buffer = 1 - self.buffer;
}
pub fn area (&self) -> Rect {
self.area
}
pub fn buffer (&mut self) -> &mut Buffer {
&mut self.buffers[self.buffer]
}
pub fn buffer_update (&mut self, area: Rect, callback: &impl Fn(&mut Cell, u16, u16)) {
buffer_update(self.buffer(), area, callback)
}
@ -151,15 +162,40 @@ impl Tui {
}
Ok(Some(Rect { x, y, width: text.len() as u16, height: 1 }))
}
#[inline]
pub fn alter_area (
&mut self, alter: impl Fn(u16, u16, u16, u16)->(u16, u16, u16, u16)
) -> &mut Self {
let (x, y, width, height) = alter(
self.area.x, self.area.y, self.area.width, self.area.height
);
self.area = Rect { x, y, width, height };
self.with_area(x, y, width, height)
}
#[inline]
pub fn with_area (&mut self, x: u16, y: u16, w: u16, h: u16) -> &mut Self {
self.with_rect(Rect { x, y, width: w, height: h });
self
}
#[inline]
pub fn with_rect (&mut self, area: Rect) -> &mut Self {
self.area = area;
self
}
}
#[derive(Debug, Clone)]
pub enum TuiEvent {
/// Terminal input
Input(::crossterm::event::Event),
/// Update values but not the whole form.
Update,
/// Update the whole form.
Redraw,
/// Device gains focus
Focus,
/// Device loses focus
Blur,
// /// JACK notification
// Jack(JackEvent)
}
/// Rendering unit struct to Ratatui returns zero-sized [Rect] at render coordinates.

View file

@ -8,7 +8,7 @@ pub struct MixerCli {
/// Number of tracks
#[arg(short, long)] channels: Option<usize>,
}
impl<T, U> Mixer<T, U> {
impl<E: Engine> Mixer<E> {
pub fn from_args () -> Usually<Self> {
let args = MixerCli::parse();
let mut mix = Self::new("")?;

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@ -1,8 +1,8 @@
use crate::*;
impl <T, U> Handle for Mixer<T, U> {
fn handle (&mut self, event: &AppEvent) -> Usually<bool> {
if let AppEvent::Input(crossterm::event::Event::Key(event)) = event {
impl Handle<Tui> for Mixer<Tui> {
fn handle (&mut self, engine: &Tui) -> Perhaps<bool> {
if let TuiEvent::Input(crossterm::event::Event::Key(event)) = engine.event() {
match event.code {
//KeyCode::Char('c') => {
@ -13,7 +13,7 @@ impl <T, U> Handle for Mixer<T, U> {
KeyCode::Down => {
self.selected_track = (self.selected_track + 1) % self.tracks.len();
println!("{}", self.selected_track);
return Ok(true)
return Ok(Some(true))
},
KeyCode::Up => {
if self.selected_track == 0 {
@ -22,7 +22,7 @@ impl <T, U> Handle for Mixer<T, U> {
self.selected_track -= 1;
}
println!("{}", self.selected_track);
return Ok(true)
return Ok(Some(true))
},
KeyCode::Left => {
if self.selected_column == 0 {
@ -30,7 +30,7 @@ impl <T, U> Handle for Mixer<T, U> {
} else {
self.selected_column -= 1;
}
return Ok(true)
return Ok(Some(true))
},
KeyCode::Right => {
if self.selected_column == 6 {
@ -38,7 +38,7 @@ impl <T, U> Handle for Mixer<T, U> {
} else {
self.selected_column += 1;
}
return Ok(true)
return Ok(Some(true))
},
_ => {
println!("\n{event:?}");
@ -46,7 +46,7 @@ impl <T, U> Handle for Mixer<T, U> {
}
}
Ok(false)
Ok(None)
}
}

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@ -9,7 +9,11 @@ pub struct Plugin {
pub mapping: bool,
pub ports: JackPorts,
}
handle!(Plugin |self, e| handle_keymap(self, e, KEYMAP_PLUGIN));
impl Handle<Tui> for Plugin {
fn handle (&mut self, e: &Tui) -> Perhaps<bool> {
handle_keymap(self, event, KEYMAP_PLUGIN)
}
}
process!(Plugin = Plugin::process);
impl Render<Tui> for Plugin {
fn render (&self, to: &mut Tui) -> Perhaps<Rect> {
@ -36,7 +40,7 @@ impl Render<Tui> for Plugin {
} else {
None
} ;
label.blit(to.buffer(), x + 2, y + 1 + i as u16 - start as u16, style)?;
to.blit(&label, x + 2, y + 1 + i as u16 - start as u16, style)?;
} else {
break
}
@ -44,7 +48,7 @@ impl Render<Tui> for Plugin {
},
_ => {}
};
draw_header(self, to.buffer(), area.x, area.y, width)?;
draw_header(self, to, area.x, area.y, width)?;
Ok(Some(Rect { width, ..to.area() }))
}
}
@ -58,7 +62,7 @@ pub enum PluginKind {
VST3,
}
impl Plugin {
pub fn new_lv2 <E> (name: &str, path: &str) -> Usually<JackDevice<E>> {
pub fn new_lv2 (name: &str, path: &str) -> Usually<JackDevice<Tui>> {
let plugin = LV2Plugin::new(path)?;
jack_from_lv2(name, &plugin.plugin)?
.run(|ports|Box::new(Self {
@ -137,13 +141,13 @@ impl Plugin {
Control::Continue
}
}
fn draw_header (state: &Plugin, buf: &mut Buffer, x: u16, y: u16, w: u16) -> Usually<Rect> {
fn draw_header (state: &Plugin, to: &mut Tui, x: u16, y: u16, w: u16) -> Usually<Rect> {
let style = Style::default().gray();
let label1 = format!(" {}", state.name);
label1.blit(buf, x + 1, y, Some(style.white().bold()))?;
to.blit(&label1, x + 1, y, Some(style.white().bold()))?;
if let Some(ref path) = state.path {
let label2 = format!("{}", &path[..((w as usize - 10).min(path.len()))]);
label2.blit(buf, x + 2 + label1.len() as u16, y, Some(style.not_dim()))?;
to.blit(&label2, x + 2 + label1.len() as u16, y, Some(style.not_dim()))?;
}
Ok(Rect { x, y, width: w, height: 1 })
}

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@ -22,7 +22,7 @@ pub struct LV2Plugin {
}
impl LV2Plugin {
pub fn from_edn <'e, T, U> (args: &[Edn<'e>]) -> Usually<JackDevice<T, U>> {
pub fn from_edn <'e, E: Engine> (args: &[Edn<'e>]) -> Usually<JackDevice<E>> {
let mut name = String::new();
let mut path = String::new();
edn!(edn in args {

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@ -13,8 +13,8 @@ pub struct Sampler {
pub modal: Arc<Mutex<Option<Box<dyn Exit + Send>>>>,
pub output_gain: f32
}
impl<E: Engine> Handle<E> for Sampler {
fn handle (&mut self, e: &E) -> Usually<E::Handled> {
impl Handle<Tui> for Sampler {
fn handle (&mut self, e: &Tui) -> Perhaps<bool> {
handle_keymap(self, event, KEYMAP_SAMPLER)
}
}
@ -69,7 +69,7 @@ pub const KEYMAP_SAMPLER: &'static [KeyBinding<Sampler>] = keymap!(Sampler {
});
impl Sampler {
pub fn from_edn <'e, E: Engine> (args: &[Edn<'e>]) -> Usually<JackDevice<E>> {
pub fn from_edn <'e> (args: &[Edn<'e>]) -> Usually<JackDevice<Tui>> {
let mut name = String::new();
let mut dir = String::new();
let mut samples = BTreeMap::new();
@ -98,9 +98,9 @@ impl Sampler {
Self::new(&name, Some(samples))
}
pub fn new <E: Engine> (
pub fn new (
name: &str, mapped: Option<BTreeMap<u7, Arc<RwLock<Sample>>>>
) -> Usually<JackDevice<E>> {
) -> Usually<JackDevice<Tui>> {
Jack::new(name)?
.midi_in("midi")
.audio_in("recL")

View file

@ -1,9 +1,9 @@
use crate::*;
impl <T, U> Handle for Track<T, U> {
fn handle (&mut self, event: &AppEvent) -> Usually<bool> {
match event {
AppEvent::Input(crossterm::event::Event::Key(event)) => {
impl Handle<Tui> for Track<Tui> {
fn handle (&mut self, from: &Tui) -> Perhaps<bool> {
match from.event() {
TuiEvent::Input(crossterm::event::Event::Key(event)) => {
for (code, modifiers, _, _, command) in [
key!(Up, NONE, "chain_cursor_up", "move cursor up", || {
Ok(true)
@ -34,9 +34,9 @@ impl <T, U> Handle for Track<T, U> {
return command()
}
}
return Ok(false)
return Ok(None)
},
_ => Ok(false)
_ => Ok(None)
}
}
}

View file

@ -46,7 +46,7 @@ impl<'a> Render<Tui> for TrackView<'a, Tui> {
}
let (area, areas) = split.render_areas(to)?;
if self.focused && self.entered && areas.len() > 0 {
Corners(Style::default().green().not_dim()).draw(to.buffer, areas[0])?;
Corners(Style::default().green().not_dim()).draw(to.with_rect(areas[0]))?;
}
Ok(Some(area))
} else {
@ -54,7 +54,7 @@ impl<'a> Render<Tui> for TrackView<'a, Tui> {
let label = "No chain selected";
let x = x + (width - label.len() as u16) / 2;
let y = y + height / 2;
label.blit(to.buffer(), x, y, Some(Style::default().dim().bold()))?;
to.blit(&label, x, y, Some(Style::default().dim().bold()))?;
Ok(Some(area))
}
}

View file

@ -1,17 +1,16 @@
use crate::*;
impl<T, U> Handle for Arranger<T, U> {
fn handle (&mut self, event: &AppEvent) -> Usually<bool> {
match self.modal.as_mut() {
Some(modal) => {
let result = modal.handle(event)?;
impl Handle<Tui> for Arranger<Tui> {
fn handle (&mut self, from: &Tui) -> Perhaps<bool> {
if let Some(modal) = self.modal.as_mut() {
let result = modal.handle(from)?;
if modal.exited() {
self.modal = None;
}
Ok(result)
},
None => match event {
AppEvent::Input(crossterm::event::Event::Key(event)) => {
return Ok(result)
}
match from.event() {
TuiEvent::Input(crossterm::event::Event::Key(event)) => {
for (code, modifiers, _, _, command) in [
key!(Char('`'), NONE, "mode_switch", "switch the display mode", || {
self.mode.to_next();
@ -62,10 +61,9 @@ impl<T, U> Handle for Arranger<T, U> {
return command()
}
}
return Ok(false)
return Ok(None)
},
_ => Ok(false)
}
_ => Ok(None)
}
}
}

View file

@ -42,7 +42,7 @@ impl Render<Tui> for ArrangerRenameModal {
height: 3
};
to.fill_bg(bg_area, Nord::BG0);
Lozenge(Style::default().bold().white().dim()).draw(to.buffer, bg_area)?;
Lozenge(Style::default().bold().white().dim()).draw(to.with_rect(bg_area));
let label = match self.target {
ArrangerFocus::Mix => "Rename project:",
ArrangerFocus::Track(_) => "Rename track:",
@ -58,10 +58,10 @@ impl Render<Tui> for ArrangerRenameModal {
Ok(Some(area))
}
}
impl Handle<Tui> for TransportQuantize {
impl Handle<Tui> for ArrangerRenameModal {
fn handle (&mut self, from: &Tui) -> Perhaps<bool> {
match e {
AppEvent::Input(Event::Key(k)) => {
match from.event() {
TuiEvent::Input(Event::Key(k)) => {
match k.code {
KeyCode::Esc => {
self.exit();
@ -90,9 +90,9 @@ impl Handle<Tui> for TransportQuantize {
},
_ => {}
}
Ok(true)
Ok(Some(true))
},
_ => Ok(false),
_ => Ok(None),
}
}
}

View file

@ -3,7 +3,7 @@ use crate::*;
use super::Arranger;
/// Track management methods
impl<T, U> Arranger<T, U> {
impl<E: Engine> Arranger<E> {
pub fn track (&self) -> Option<&Sequencer> {
self.selected.track().map(|t|self.tracks.get(t)).flatten()
}

View file

@ -29,14 +29,14 @@ impl<'a> Render<Tui> for TrackNameColumn<'a> {
let offset = 0; // track scroll offset
for y in 0..area.height {
if y == 0 {
"Mixer".blit(to.buffer, area.x + 1, area.y + y, Some(DIM))?;
to.blit(&"Mixer", area.x + 1, area.y + y, Some(DIM))?;
} else if y % 2 == 0 {
let index = (y as usize - 2) / 2 + offset;
if let Some(track) = tracks.get(index) {
let selected = selected.track() == Some(index);
let style = if selected { yellow } else { white };
format!(" {index:>02} ").blit(to.buffer, area.x, area.y + y, style)?;
track.name.read().unwrap().blit(to.buffer, area.x + 4, area.y + y, style)?;
to.blit(&format!(" {index:>02} "), area.x, area.y + y, style)?;
to.blit(&*track.name.read().unwrap(), area.x + 4, area.y + y, style)?;
}
}
}
@ -60,7 +60,7 @@ impl<'a> Render<Tui> for TrackMonitorColumn<'a> {
let index = (y as usize - 2) / 2;
if let Some(track) = tracks.get(index) {
let style = if track.monitoring { on } else { off };
" MON ".blit(to.buffer, area.x, area.y + y, style)?;
to.blit(&" MON ", area.x, area.y + y, style)?;
} else {
area.height = y;
break
@ -88,7 +88,7 @@ impl<'a> Render<Tui> for TrackRecordColumn<'a> {
let index = (y as usize - 2) / 2;
if let Some(track) = tracks.get(index) {
let style = if track.recording { on } else { off };
" REC ".blit(to.buffer, area.x, area.y + y, style)?;
to.blit(&" REC ", area.x, area.y + y, style)?;
} else {
area.height = y;
break
@ -115,7 +115,7 @@ impl<'a> Render<Tui> for TrackOverdubColumn<'a> {
} else if y % 2 == 0 {
let index = (y as usize - 2) / 2;
if let Some(track) = tracks.get(index) {
" OVR ".blit(to.buffer, area.x, area.y + y, if track.overdub {
to.blit(&" OVR ", area.x, area.y + y, if track.overdub {
on
} else {
off
@ -203,7 +203,7 @@ impl<'a> Render<Tui> for TrackScenesColumn<'a> {
}
let name = scene.name.read().unwrap();
let mut x3 = name.len() as u16;
to.blit(&name, x + x2, y, sep)?;
to.blit(&*name, x + x2, y, sep)?;
for (i, clip) in scene.clips.iter().enumerate() {
let active_track = selected.track() == Some(i);
if let Some(clip) = clip {

View file

@ -33,7 +33,7 @@ pub fn draw <'a, 'b> (
cols: &'b [(usize, usize)],
rows: &'b [(usize, usize)],
) -> Perhaps<Rect> {
let mut area = to.area;
let mut area = to.area();
area.height = 2 + (rows[rows.len() - 1].1 / 96) as u16;
let offset = 3 + scene_name_max_len(state.scenes.as_ref()) as u16;
let tracks = state.tracks.as_ref();
@ -53,13 +53,13 @@ struct ColumnSeparators<'a>(u16, &'a [(usize, usize)]);
impl<'a> Render<Tui> for ColumnSeparators<'a> {
fn render (&self, to: &mut Tui) -> Perhaps<Rect> {
let area = to.area;
let area = to.area();
let Self(offset, cols) = self;
let style = Some(Style::default().fg(Nord::SEPARATOR));
for (_, x) in cols.iter() {
let x = offset + area.x + *x as u16 - 1;
for y in area.y..area.height+area.y {
"".blit(to.buffer, x, y, style)?;
to.blit(&"", x, y, style)?;
}
}
Ok(Some(area))
@ -70,15 +70,15 @@ struct RowSeparators<'a>(&'a [(usize, usize)]);
impl<'a> Render<Tui> for RowSeparators<'a> {
fn render (&self, to: &mut Tui) -> Perhaps<Rect> {
let mut area = to.area;
let area = to.area();
let Self(rows) = self;
for (_, y) in rows.iter() {
let y = area.y + (*y / 96) as u16 + 1;
if y >= to.buffer.area.height {
if y >= to.buffer().area.height {
break
}
for x in area.x..area.width+area.y-2 {
let cell = to.buffer.get_mut(x, y);
let cell = to.buffer().get_mut(x, y);
cell.modifier = Modifier::UNDERLINED;
cell.underline_color = Nord::SEPARATOR;
}
@ -93,7 +93,7 @@ struct CursorFocus<'a>(
impl<'a> Render<Tui> for CursorFocus<'a> {
fn render (&self, to: &mut Tui) -> Perhaps<Rect> {
let mut area = to.area;
let mut area = to.area();
let Self(selected, offset, cols, rows) = *self;
let get_track_area = |t: usize| Rect {
x: offset + area.x + cols[t].1 as u16 - 1,
@ -118,7 +118,7 @@ impl<'a> Render<Tui> for CursorFocus<'a> {
let mut clip_area: Option<Rect> = None;
let area = match selected {
ArrangerFocus::Mix => {
fill_bg(to.buffer, area, COLOR_BG0);
to.fill_bg(area, COLOR_BG0);
area
},
ArrangerFocus::Track(t) => {
@ -137,21 +137,21 @@ impl<'a> Render<Tui> for CursorFocus<'a> {
},
};
if let Some(Rect { x, y, width, height }) = track_area {
fill_fg(to.buffer, Rect { x, y, width: 1, height }, COLOR_BG5);
fill_fg(to.buffer, Rect { x: x + width, y, width: 1, height }, COLOR_BG5);
to.fill_fg(Rect { x, y, width: 1, height }, COLOR_BG5);
to.fill_fg(Rect { x: x + width, y, width: 1, height }, COLOR_BG5);
}
if let Some(Rect { y, height, .. }) = scene_area {
fill_ul(to.buffer, Rect { x: area.x, y: y - 1, width: area.width, height: 1 }, COLOR_BG5);
fill_ul(to.buffer, Rect { x: area.x, y: y + height - 1, width: area.width, height: 1 }, COLOR_BG5);
to.fill_ul(Rect { x: area.x, y: y - 1, width: area.width, height: 1 }, COLOR_BG5);
to.fill_ul(Rect { x: area.x, y: y + height - 1, width: area.width, height: 1 }, COLOR_BG5);
}
if let Some(clip_area) = clip_area {
fill_bg(to.buffer, clip_area, COLOR_BG0);
to.fill_bg(clip_area, COLOR_BG0);
} else if let Some(track_area) = track_area {
fill_bg(to.buffer, track_area, COLOR_BG0);
to.fill_bg(track_area, COLOR_BG0);
} else if let Some(scene_area) = scene_area {
fill_bg(to.buffer, scene_area, COLOR_BG0);
to.fill_bg(scene_area, COLOR_BG0);
}
Ok(area)
Ok(Some(area))
}
}
@ -159,7 +159,7 @@ struct TracksHeader<'a>(u16, &'a[(usize, usize)], &'a [Sequencer]);
impl<'a> Render<Tui> for TracksHeader<'a> {
fn render (&self, to: &mut Tui) -> Perhaps<Rect> {
let mut area = to.area;
let area = to.area();
let Self(offset, track_cols, tracks) = *self;
let Rect { y, width, .. } = area;
for (track, (w, x)) in tracks.iter().zip(track_cols) {
@ -168,8 +168,8 @@ impl<'a> Render<Tui> for TracksHeader<'a> {
break
}
let name = track.name.read().unwrap();
fill_bg(to.buffer, Rect { x: offset + x, y, width: *w as u16, height: 2 }, COLOR_BG1);
name.blit(to.buffer, offset + x + 1, y, Some(Style::default().white()))?;
to.fill_bg(Rect { x: offset + x, y, width: *w as u16, height: 2 }, COLOR_BG1);
to.blit(&*name, offset + x + 1, y, Some(Style::default().white()))?;
}
Ok(Some(Rect { x: area.x, y, width, height: 2 }))
}
@ -179,15 +179,15 @@ struct SceneRows<'a>(u16, &'a[(usize, usize)], &'a[(usize, usize)], &'a[Sequence
impl<'a> Render<Tui> for SceneRows<'a> {
fn render (&self, to: &mut Tui) -> Perhaps<Rect> {
let area = to.area;
let area = to.area();
let Self(offset, track_cols, scene_rows, tracks, scenes) = *self;
let black = Some(Style::default().fg(Nord::SEPARATOR));
let Rect { mut y, height, .. } = area;
let Rect { mut y, height: _height, .. } = area;
for (_, x) in track_cols.iter() {
let x = *x as u16;
if x > 0 {
for y in area.y-2..y-2 {
"".blit(to.buffer, x - 1, y, black)?;
to.blit(&"", x - 1, y, black)?;
}
}
}
@ -196,10 +196,8 @@ impl<'a> Render<Tui> for SceneRows<'a> {
//break
//}
let h = 1.max((pulses / 96) as u16);
SceneRow(tracks, scene, track_cols, offset).render(&mut TuiOutput {
buffer: to.buffer,
area: Rect { x: area.x, y, width: area.width, height: h, }
})?;
SceneRow(tracks, scene, track_cols, offset)
.render(to.with_area(area.x, y, area.width, h))?;
y = y + h
}
Ok(Some(area))
@ -210,29 +208,24 @@ struct SceneRow<'a>(&'a[Sequencer], &'a Scene, &'a[(usize, usize)], u16);
impl<'a> Render<Tui> for SceneRow<'a> {
fn render (&self, to: &mut Tui) -> Perhaps<Rect> {
let mut area = to.area();
let area = to.area();
let Self(tracks, scene, track_cols, offset) = self;
let Rect { x, y, width, .. } = area;
let playing = scene.is_playing(tracks);
(if playing { "" } else { " " }).blit(to.buffer(), x, y, None)?;
scene.name.read().unwrap().blit(to.buffer(), x + 1, y, Some(Style::default().white()))?;
to.blit(&if playing { "" } else { " " }, x, y, None)?;
to.blit(&*scene.name.read().unwrap(), x + 1, y, Some(Style::default().white()))?;
to.fill_bg(Rect { x: x, y, width: offset.saturating_sub(1), height: area.height }, COLOR_BG1);
for (track, (w, x)) in track_cols.iter().enumerate() {
let x = *x as u16 + offset;
if x > width {
break
}
if let (Some(track), Some(Some(clip))) = (
tracks.get(track), scene.clips.get(track)
) {
SceneClip(track, *clip).render(&mut TuiOutput {
buffer: to.buffer,
area: Rect { x, y, width: *w as u16, height: area.height, }
})?;
SceneClip(track, *clip).render(to.with_area(x, y, *w as u16, area.height))?;
}
}
Ok(Some(area))
}
}
@ -241,20 +234,20 @@ struct SceneClip<'a>(&'a Sequencer, usize);
impl<'a> Render<Tui> for SceneClip<'a> {
fn render (&self, to: &mut Tui) -> Perhaps<Rect> {
let area = to.area;
let area = to.area();
let Self(track, clip) = self;
let style = Some(Style::default().white());
if let Some(phrase) = track.phrases.get(*clip) {
let phrase = phrase.read().unwrap();
let name = phrase.name.read().unwrap();
format!("{clip:02} {name}").blit(to.buffer, area.x + 1, area.y, style)?;
fill_bg(to.buffer, area, if track.sequence == Some(*clip) {
to.blit(&format!("{clip:02} {name}"), area.x + 1, area.y, style)?;
to.fill_bg(area, if track.sequence == Some(*clip) {
Nord::PLAYING
} else {
COLOR_BG1
});
} else {
fill_bg(to.buffer, area, COLOR_BG0)
to.fill_bg(area, COLOR_BG0)
}
Ok(Some(area))
}

View file

@ -79,7 +79,7 @@ pub fn scene_ppqs (tracks: &[Sequencer], scenes: &[Scene]) -> Vec<(usize, usize)
scenes
}
impl<T, U> Arranger<T, U> {
impl<E: Engine> Arranger<E> {
pub fn scene (&self) -> Option<&Scene> {
self.selected.scene().map(|s|self.scenes.get(s)).flatten()
}

View file

@ -2,7 +2,7 @@ use crate::*;
impl Handle<Tui> for TransportQuantize {
fn handle (&mut self, from: &Tui) -> Perhaps<bool> {
handle_keymap(self, e, KEYMAP_SEQUENCER)
handle_keymap(self, &from.event(), KEYMAP_SEQUENCER)
}
}

View file

@ -11,19 +11,11 @@ impl Sequencer {
.add_ref(&SequenceRange)
.add_ref(&SequenceLoopRange)
.add_ref(&SequenceNoteRange)
.render(&mut TuiOutput {
buffer: to.buffer,
area: Rect {
x: area.x,
y: area.y,
height: area.height,
width: 10,
}
})?;
.render(to.with_area(area.x, area.y, area.height, 10))?;
area.x = area.x + 10;
area.width = area.width.saturating_sub(10);
area.height = area.height.min(66);
Lozenge(Style::default().fg(Nord::BG2)).draw(to.buffer, area)?;
Lozenge(Style::default().fg(Nord::BG2)).draw(to.with_rect(area))?;
area.x = area.x + 1;
area.width = area.width.saturating_sub(1);
Layered::new()
@ -32,10 +24,7 @@ impl Sequencer {
.add_ref(&SequenceNotes(&self))
.add_ref(&SequenceCursor(&self))
.add_ref(&SequenceZoom(&self))
.render(&mut TuiOutput {
buffer: to.buffer,
area: area
})?;
.render(to.with_rect(area))?;
Ok(())
}
@ -63,9 +52,9 @@ impl<'a> Render<Tui> for SequenceName<'a> {
fn render (&self, to: &mut Tui) -> Perhaps<Rect> {
let Rect { x, y, .. } = to.area();
let frame = Rect { x, y, width: 10, height: 4 };
Lozenge(Style::default().fg(Nord::BG2)).draw(to.buffer, frame)?;
"Name:".blit(to.buffer, x + 1, y + 1, STYLE_LABEL)?;
self.0.name.read().unwrap().blit(to.buffer, x + 1, y + 2, STYLE_VALUE)?;
Lozenge(Style::default().fg(Nord::BG2)).draw(to.with_rect(frame))?;
to.blit(&"Name:", x + 1, y + 1, STYLE_LABEL)?;
to.blit(&*self.0.name.read().unwrap(), x + 1, y + 2, STYLE_VALUE)?;
Ok(Some(frame))
}
}
@ -76,11 +65,11 @@ impl<'a> Render<Tui> for SequenceRange {
fn render (&self, to: &mut Tui) -> Perhaps<Rect> {
let Rect { x, y, .. } = to.area();
let frame = Rect { x, y, width: 10, height: 6 };
Lozenge(Style::default().fg(Nord::BG2)).draw(to.buffer, frame)?;
"Start: ".blit(to.buffer, x + 1, y + 1, STYLE_LABEL)?;
" 1.1.1".blit(to.buffer, x + 1, y + 2, STYLE_VALUE)?;
"End: ".blit(to.buffer, x + 1, y + 3, STYLE_LABEL)?;
" 2.1.1".blit(to.buffer, x + 1, y + 4, STYLE_VALUE)?;
Lozenge(Style::default().fg(Nord::BG2)).draw(to.with_rect(frame))?;
to.blit(&"Start: ", x + 1, y + 1, STYLE_LABEL)?;
to.blit(&" 1.1.1", x + 1, y + 2, STYLE_VALUE)?;
to.blit(&"End: ", x + 1, y + 3, STYLE_LABEL)?;
to.blit(&" 2.1.1", x + 1, y + 4, STYLE_VALUE)?;
Ok(Some(frame))
}
}
@ -91,12 +80,12 @@ impl<'a> Render<Tui> for SequenceLoopRange {
fn render (&self, to: &mut Tui) -> Perhaps<Rect> {
let Rect { x, y, .. } = to.area();
let range = Rect { x, y, width: 10, height: 7 };
Lozenge(Style::default().fg(Nord::BG2)).draw(to.buffer, range)?;
"Loop [ ]".blit(to.buffer, x + 1, y + 1, STYLE_LABEL)?;
"From: ".blit(to.buffer, x + 1, y + 2, STYLE_LABEL)?;
" 1.1.1".blit(to.buffer, x + 1, y + 3, STYLE_VALUE)?;
"Length: ".blit(to.buffer, x + 1, y + 4, STYLE_LABEL)?;
" 1.0.0".blit(to.buffer, x + 1, y + 5, STYLE_VALUE)?;
Lozenge(Style::default().fg(Nord::BG2)).draw(to.with_rect(range))?;
to.blit(&"Loop [ ]", x + 1, y + 1, STYLE_LABEL)?;
to.blit(&"From: ", x + 1, y + 2, STYLE_LABEL)?;
to.blit(&" 1.1.1", x + 1, y + 3, STYLE_VALUE)?;
to.blit(&"Length: ", x + 1, y + 4, STYLE_LABEL)?;
to.blit(&" 1.0.0", x + 1, y + 5, STYLE_VALUE)?;
Ok(Some(range))
}
}
@ -107,15 +96,15 @@ impl<'a> Render<Tui> for SequenceNoteRange {
fn render (&self, to: &mut Tui) -> Perhaps<Rect> {
let Rect { x, y, .. } = to.area();
let range = Rect { x, y, width: 10, height: 9 };
Lozenge(Style::default().fg(Nord::BG2)).draw(to.buffer, range)?;
"Notes: ".blit(to.buffer, x + 1, y + 1, STYLE_LABEL)?;
"C#0-C#9 ".blit(to.buffer, x + 1, y + 2, STYLE_VALUE)?;
"[ /2 ]".blit(to.buffer, x + 1, y + 3, STYLE_LABEL)?;
"[ x2 ]".blit(to.buffer, x + 1, y + 4, STYLE_LABEL)?;
"[ Rev ]".blit(to.buffer, x + 1, y + 5, STYLE_LABEL)?;
"[ Inv ]".blit(to.buffer, x + 1, y + 6, STYLE_LABEL)?;
"[ Dup ]".blit(to.buffer, x + 1, y + 7, STYLE_LABEL)?;
Ok(Some(to.area))
Lozenge(Style::default().fg(Nord::BG2)).draw(to.with_rect(range))?;
to.blit(&"Notes: ", x + 1, y + 1, STYLE_LABEL)?;
to.blit(&"C#0-C#9 ", x + 1, y + 2, STYLE_VALUE)?;
to.blit(&"[ /2 ]", x + 1, y + 3, STYLE_LABEL)?;
to.blit(&"[ x2 ]", x + 1, y + 4, STYLE_LABEL)?;
to.blit(&"[ Rev ]", x + 1, y + 5, STYLE_LABEL)?;
to.blit(&"[ Inv ]", x + 1, y + 6, STYLE_LABEL)?;
to.blit(&"[ Dup ]", x + 1, y + 7, STYLE_LABEL)?;
Ok(Some(to.area()))
}
}
@ -123,22 +112,23 @@ struct SequenceKeys<'a>(&'a Sequencer);
impl<'a> Render<Tui> for SequenceKeys<'a> {
fn render (&self, to: &mut Tui) -> Perhaps<Rect> {
if to.area.height < 2 {
return Ok(Some(to.area))
let area = to.area();
if area.height < 2 {
return Ok(Some(area))
}
let area = Rect {
x: to.area.x,
y: to.area.y + 1,
x: area.x,
y: area.y + 1,
width: 5,
height: to.area.height - 2
height: area.height - 2
};
buffer_update(to.buffer, area, &|cell, x, y|{
buffer_update(to.buffer(), area, &|cell, x, y|{
let y = y + self.0.note_axis.start as u16;
if x < self.0.keys.area.width && y < self.0.keys.area.height {
*cell = self.0.keys.get(x, y).clone()
}
});
Ok(Some(to.area))
Ok(Some(area))
}
}
@ -195,7 +185,7 @@ impl<'a> Render<Tui> for SequenceZoom<'a> {
let quant = ppq_to_name(self.0.time_axis.scale);
let quant_x = area.x + area.width - 1 - quant.len() as u16;
let quant_y = area.y + area.height - 2;
buffer.blit(&quant, quant_x, quant_y, self.0.style_focus())
to.blit(&quant, quant_x, quant_y, self.0.style_focus())
}
}

View file

@ -14,7 +14,7 @@ impl Handle<Tui> for TransportToolbar {
impl Handle<Tui> for TransportPlayPauseButton {
fn handle (&mut self, from: &Tui) -> Perhaps<bool> {
Ok(false)
Ok(None)
}
}
@ -26,7 +26,7 @@ impl Handle<Tui> for TransportBPM {
//TransportFocus::BPM => {
//transport.timebase.bpm.fetch_sub(1.0, Ordering::Relaxed);
//},
Ok(false)
Ok(None)
}
}
@ -38,7 +38,7 @@ impl Handle<Tui> for TransportQuantize {
//TransportFocus::Quant => {
//transport.quant.value = prev_note_length(transport.quant);
//},
Ok(false)
Ok(None)
}
}
@ -50,6 +50,7 @@ impl Handle<Tui> for TransportSync {
//TransportFocus::Sync => {
//transport.sync.value = prev_note_length(transport.sync);
//},
Ok(None)
}
}
@ -61,6 +62,6 @@ impl Handle<Tui> for TransportClock {
//TransportFocus::Sync => {
//transport.sync.value = prev_note_length(transport.sync);
//},
Ok(false)
Ok(None)
}
}

View file

@ -71,11 +71,12 @@ impl Render<Tui> for TransportBPM {
impl Render<Tui> for TransportQuantize {
fn render (&self, to: &mut Tui) -> Perhaps<Rect> {
let area = to.area();
let Rect { x, y, .. } = to.area;
let Rect { x, y, .. } = to.area();
let Self { value, focused } = self;
"QUANT".blit(to.buffer, x, y, Some(NOT_DIM))?;
let width = ppq_to_name(*value as usize).blit(to.buffer, x, y + 1, Some(NOT_DIM_BOLD))?.width;
to.blit(&"QUANT", x, y, Some(NOT_DIM))?;
let name = ppq_to_name(*value as usize);
let width = name.len() as u16;
to.blit(&name, x, y + 1, Some(NOT_DIM_BOLD))?;
let area = Rect { x, y, width: (width + 2).max(10), height: 2 };
if *focused {
let area = Rect { x: area.x - 1, width: area.width - 1, ..area };
@ -88,11 +89,12 @@ impl Render<Tui> for TransportQuantize {
impl Render<Tui> for TransportSync {
fn render (&self, to: &mut Tui) -> Perhaps<Rect> {
let area = to.area();
let Rect { x, y, .. } = to.area;
let Rect { x, y, .. } = to.area();
let Self { value, focused } = self;
"SYNC".blit(to.buffer, x, y, Some(NOT_DIM))?;
let width = ppq_to_name(*value as usize).blit(to.buffer, x, y + 1, Some(NOT_DIM_BOLD))?.width;
to.blit(&"SYNC", x, y, Some(NOT_DIM))?;
let name = ppq_to_name(*value as usize);
let width = name.len() as u16;
to.blit(&name, x, y + 1, Some(NOT_DIM_BOLD))?;
let area = Rect { x, y, width: (width + 2).max(10), height: 2 };
if *focused {
let area = Rect { x: area.x - 1, width: area.width - 1, ..area };
@ -106,7 +108,7 @@ impl Render<Tui> for TransportSync {
impl Render<Tui> for TransportClock {
fn render (&self, to: &mut Tui) -> Perhaps<Rect> {
let Rect { x, y, width, .. } = to.area();
let Self { frame, pulse, ppq, usecs, focused } = self;
let Self { frame: _frame, pulse, ppq, usecs, focused } = self;
let (beats, pulses) = if *ppq > 0 { (pulse / ppq, pulse % ppq) } else { (0, 0) };
let (bars, beats) = ((beats / 4) + 1, (beats % 4) + 1);
let (seconds, msecs) = (usecs / 1000000, usecs / 1000 % 1000);