wip: nromalize

This commit is contained in:
okay stopped screaming 2026-03-21 22:54:29 +02:00
parent 7ff1d989a9
commit 513b8354a3
14 changed files with 2324 additions and 2337 deletions

416
app/arrange.rs Normal file
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/// Represents the current user selection in the arranger
#[derive(PartialEq, Clone, Copy, Debug, Default)] pub enum Selection {
#[default]
/// Nothing is selected
Nothing,
/// The whole mix is selected
Mix,
/// A MIDI input is selected.
Input(usize),
/// A MIDI output is selected.
Output(usize),
/// A scene is selected.
#[cfg(feature = "scene")] Scene(usize),
/// A track is selected.
#[cfg(feature = "track")] Track(usize),
/// A clip (track × scene) is selected.
#[cfg(feature = "track")] TrackClip { track: usize, scene: usize },
/// A track's MIDI input connection is selected.
#[cfg(feature = "track")] TrackInput { track: usize, port: usize },
/// A track's MIDI output connection is selected.
#[cfg(feature = "track")] TrackOutput { track: usize, port: usize },
/// A track device slot is selected.
#[cfg(feature = "track")] TrackDevice { track: usize, device: usize },
}
/// A scene consists of a set of clips to play together.
///
/// ```
/// let scene: tek::Scene = Default::default();
/// let _ = scene.pulses();
/// let _ = scene.is_playing(&[]);
/// ```
#[derive(Debug, Default)] pub struct Scene {
/// Name of scene
pub name: Arc<str>,
/// Identifying color of scene
pub color: ItemTheme,
/// Clips in scene, one per track
pub clips: Vec<Option<Arc<RwLock<MidiClip>>>>,
}
/// Arranger.
///
/// ```
/// let arranger = tek::Arrangement::default();
/// ```
#[derive(Default, Debug)] pub struct Arrangement {
/// Project name.
pub name: Arc<str>,
/// Base color.
pub color: ItemTheme,
/// JACK client handle.
pub jack: Jack<'static>,
/// FIXME a render of the project arrangement, redrawn on update.
/// TODO rename to "render_cache" or smth
pub arranger: Arc<RwLock<Buffer>>,
/// Display size
pub size: Measure<Tui>,
/// Display size of clips area
pub size_inner: Measure<Tui>,
/// Source of time
#[cfg(feature = "clock")] pub clock: Clock,
/// Allows one MIDI clip to be edited
#[cfg(feature = "editor")] pub editor: Option<MidiEditor>,
/// List of global midi inputs
#[cfg(feature = "port")] pub midi_ins: Vec<MidiInput>,
/// List of global midi outputs
#[cfg(feature = "port")] pub midi_outs: Vec<MidiOutput>,
/// List of global audio inputs
#[cfg(feature = "port")] pub audio_ins: Vec<AudioInput>,
/// List of global audio outputs
#[cfg(feature = "port")] pub audio_outs: Vec<AudioOutput>,
/// Selected UI element
#[cfg(feature = "select")] pub selection: Selection,
/// Last track number (to avoid duplicate port names)
#[cfg(feature = "track")] pub track_last: usize,
/// List of tracks
#[cfg(feature = "track")] pub tracks: Vec<Track>,
/// Scroll offset of tracks
#[cfg(feature = "track")] pub track_scroll: usize,
/// List of scenes
#[cfg(feature = "scene")] pub scenes: Vec<Scene>,
/// Scroll offset of scenes
#[cfg(feature = "scene")] pub scene_scroll: usize,
}
pub trait ClipsView: TracksView + ScenesView {
fn view_scenes_clips <'a> (&'a self)
-> impl Draw<Tui> + 'a
{
self.clips_size().of(wh_full(above(
wh_full(origin_se(Tui::fg(Green, format!("{}x{}", self.clips_size().w(), self.clips_size().h())))),
Thunk::new(|to: &mut Tui|for (
track_index, track, _, _
) in self.tracks_with_sizes() {
to.place(&w_exact(track.width as u16,
h_full(self.view_track_clips(track_index, track))))
}))))
}
fn view_track_clips <'a> (&'a self, track_index: usize, track: &'a Track) -> impl Draw<Tui> + 'a {
Thunk::new(move|to: &mut Tui|for (
scene_index, scene, ..
) in self.scenes_with_sizes() {
let (name, theme): (Arc<str>, ItemTheme) = if let Some(Some(clip)) = &scene.clips.get(track_index) {
let clip = clip.read().unwrap();
(format!("{}", &clip.name).into(), clip.color)
} else {
(" ⏹ -- ".into(), ItemTheme::G[32])
};
let fg = theme.lightest.rgb;
let mut outline = theme.base.rgb;
let bg = if self.selection().track() == Some(track_index)
&& self.selection().scene() == Some(scene_index)
{
outline = theme.lighter.rgb;
theme.light.rgb
} else if self.selection().track() == Some(track_index)
|| self.selection().scene() == Some(scene_index)
{
outline = theme.darkest.rgb;
theme.base.rgb
} else {
theme.dark.rgb
};
let w = if self.selection().track() == Some(track_index)
&& let Some(editor) = self.editor ()
{
(editor.measure_width() as usize).max(24).max(track.width)
} else {
track.width
} as u16;
let y = if self.selection().scene() == Some(scene_index)
&& let Some(editor) = self.editor ()
{
(editor.measure_height() as usize).max(12)
} else {
Self::H_SCENE as usize
} as u16;
to.place(&wh_exact(w, y, below(
wh_full(Outer(true, Style::default().fg(outline))),
wh_full(below(
below(
Tui::fg_bg(outline, bg, wh_full("")),
wh_full(origin_nw(Tui::fg_bg(fg, bg, Tui::bold(true, name)))),
),
wh_full(when(self.selection().track() == Some(track_index)
&& self.selection().scene() == Some(scene_index)
&& self.is_editing(), self.editor())))))));
})
}
}
pub trait TracksView: ScenesView + HasMidiIns + HasMidiOuts + HasTrackScroll + Measured<Tui> {
fn tracks_width_available (&self) -> u16 {
(self.measure_width() as u16).saturating_sub(40)
}
/// Iterate over tracks with their corresponding sizes.
fn tracks_with_sizes (&self) -> impl TracksSizes<'_> {
let _editor_width = self.editor().map(|e|e.measure_width());
let _active_track = self.selection().track();
let mut x = 0;
self.tracks().iter().enumerate().map_while(move |(index, track)|{
let width = track.width.max(8);
if x + width < self.clips_size().w() as usize {
let data = (index, track, x, x + width);
x += width + Self::TRACK_SPACING;
Some(data)
} else {
None
}
})
}
fn view_track_names (&self, theme: ItemTheme) -> impl Draw<Tui> {
let track_count = self.tracks().len();
let scene_count = self.scenes().len();
let selected = self.selection();
let button = south(
button_3("t", "rack ", format!("{}{track_count}", selected.track()
.map(|track|format!("{track}/")).unwrap_or_default()), false),
button_3("s", "cene ", format!("{}{scene_count}", selected.scene()
.map(|scene|format!("{scene}/")).unwrap_or_default()), false));
let button_2 = south(
button_2("T", "+", false),
button_2("S", "+", false));
view_track_row_section(theme, button, button_2, Tui::bg(theme.darker.rgb,
h_exact(2, Thunk::new(|to: &mut Tui|{
for (index, track, x1, _x2) in self.tracks_with_sizes() {
to.place(&x_push(x1 as u16, w_exact(track_width(index, track),
Tui::bg(if selected.track() == Some(index) {
track.color.light.rgb
} else {
track.color.base.rgb
}, south(w_full(origin_nw(east(
format!("·t{index:02} "),
Tui::fg(Rgb(255, 255, 255), Tui::bold(true, &track.name))
))), ""))) ));}}))))
}
fn view_track_outputs <'a> (&'a self, theme: ItemTheme, _h: u16) -> impl Draw<Tui> {
view_track_row_section(theme,
south(w_full(origin_w(button_2("o", "utput", false))),
Thunk::new(|to: &mut Tui|for port in self.midi_outs().iter() {
to.place(&w_full(origin_w(port.port_name())));
})),
button_2("O", "+", false),
Tui::bg(theme.darker.rgb, origin_w(Thunk::new(|to: &mut Tui|{
for (index, track, _x1, _x2) in self.tracks_with_sizes() {
to.place(&w_exact(track_width(index, track),
origin_nw(h_full(iter_south(1, ||track.sequencer.midi_outs.iter(),
|port, index|Tui::fg(Rgb(255, 255, 255),
h_exact(1, Tui::bg(track.color.dark.rgb, w_full(origin_w(
format!("·o{index:02} {}", port.port_name())))))))))));}}))))
}
fn view_track_inputs <'a> (&'a self, theme: ItemTheme) -> impl Draw<Tui> {
let mut h = 0u16;
for track in self.tracks().iter() {
h = h.max(track.sequencer.midi_ins.len() as u16);
}
let content = Thunk::new(move|to: &mut Tui|for (index, track, _x1, _x2) in self.tracks_with_sizes() {
to.place(&wh_exact(track_width(index, track), h + 1,
origin_nw(south(
Tui::bg(track.color.base.rgb,
w_full(origin_w(east!(
either(track.sequencer.monitoring, Tui::fg(Green, "●mon "), "·mon "),
either(track.sequencer.recording, Tui::fg(Red, "●rec "), "·rec "),
either(track.sequencer.overdub, Tui::fg(Yellow, "●dub "), "·dub "),
)))),
iter_south(1, ||track.sequencer.midi_ins.iter(),
|port, index|Tui::fg_bg(Rgb(255, 255, 255), track.color.dark.rgb,
w_full(origin_w(format!("·i{index:02} {}", port.port_name())))))))));
});
view_track_row_section(theme, button_2("i", "nput", false), button_2("I", "+", false),
Tui::bg(theme.darker.rgb, origin_w(content)))
}
}
pub trait ScenesView: HasEditor + HasSelection + HasSceneScroll + HasClipsSize + Send + Sync {
/// Default scene height.
const H_SCENE: usize = 2;
/// Default editor height.
const H_EDITOR: usize = 15;
fn h_scenes (&self) -> u16;
fn w_side (&self) -> u16;
fn w_mid (&self) -> u16;
fn scenes_with_sizes (&self) -> impl ScenesSizes<'_> {
let mut y = 0;
self.scenes().iter().enumerate().skip(self.scene_scroll()).map_while(move|(s, scene)|{
let height = if self.selection().scene() == Some(s) && self.editor().is_some() {
8
} else {
Self::H_SCENE
};
if y + height <= self.clips_size().h() as usize {
let data = (s, scene, y, y + height);
y += height;
Some(data)
} else {
None
}
})
}
fn view_scenes_names (&self) -> impl Draw<Tui> {
w_exact(20, Thunk::new(|to: &mut Tui|for (index, scene, ..) in self.scenes_with_sizes() {
to.place(&self.view_scene_name(index, scene));
}))
}
fn view_scene_name <'a> (&'a self, index: usize, scene: &'a Scene) -> impl Draw<Tui> + 'a {
let h = if self.selection().scene() == Some(index) && let Some(_editor) = self.editor() {
7
} else {
Self::H_SCENE as u16
};
let bg = if self.selection().scene() == Some(index) {
scene.color.light.rgb
} else {
scene.color.base.rgb
};
let a = w_full(origin_w(east(format!("·s{index:02} "),
Tui::fg(Tui::g(255), Tui::bold(true, &scene.name)))));
let b = when(self.selection().scene() == Some(index) && self.is_editing(),
wh_full(origin_nw(south(
self.editor().as_ref().map(|e|e.clip_status()),
self.editor().as_ref().map(|e|e.edit_status())))));
wh_exact(20, h, Tui::bg(bg, origin_nw(south(a, b))))
}
}
pub trait HasSceneScroll: HasScenes { fn scene_scroll (&self) -> usize; }
pub trait HasTrackScroll: HasTracks { fn track_scroll (&self) -> usize; }
pub trait HasScene: AsRefOpt<Scene> + AsMutOpt<Scene> {
fn scene_mut (&mut self) -> Option<&mut Scene> { self.as_mut_opt() }
fn scene (&self) -> Option<&Scene> { self.as_ref_opt() }
}
pub trait HasSelection: AsRef<Selection> + AsMut<Selection> {
fn selection (&self) -> &Selection { self.as_ref() }
fn selection_mut (&mut self) -> &mut Selection { self.as_mut() }
/// Get the active track
#[cfg(feature = "track")]
fn selected_track (&self) -> Option<&Track> where Self: HasTracks {
let index = self.selection().track()?;
self.tracks().get(index)
}
/// Get a mutable reference to the active track
#[cfg(feature = "track")]
fn selected_track_mut (&mut self) -> Option<&mut Track> where Self: HasTracks {
let index = self.selection().track()?;
self.tracks_mut().get_mut(index)
}
/// Get the active scene
#[cfg(feature = "scene")]
fn selected_scene (&self) -> Option<&Scene> where Self: HasScenes {
let index = self.selection().scene()?;
self.scenes().get(index)
}
/// Get a mutable reference to the active scene
#[cfg(feature = "scene")]
fn selected_scene_mut (&mut self) -> Option<&mut Scene> where Self: HasScenes {
let index = self.selection().scene()?;
self.scenes_mut().get_mut(index)
}
/// Get the active clip
#[cfg(feature = "clip")]
fn selected_clip (&self) -> Option<Arc<RwLock<MidiClip>>> where Self: HasScenes + HasTracks {
self.selected_scene()?.clips.get(self.selection().track()?)?.clone()
}
}
pub trait HasScenes: AsRef<Vec<Scene>> + AsMut<Vec<Scene>> {
fn scenes (&self) -> &Vec<Scene> { self.as_ref() }
fn scenes_mut (&mut self) -> &mut Vec<Scene> { self.as_mut() }
/// Generate the default name for a new scene
fn scene_default_name (&self) -> Arc<str> { format!("s{:3>}", self.scenes().len() + 1).into() }
fn scene_longest_name (&self) -> usize { self.scenes().iter().map(|s|s.name.len()).fold(0, usize::max) }
/// Add multiple scenes
fn scenes_add (&mut self, n: usize) -> Usually<()> where Self: HasTracks {
let scene_color_1 = ItemColor::random();
let scene_color_2 = ItemColor::random();
for i in 0..n {
let _ = self.scene_add(None, Some(
scene_color_1.mix(scene_color_2, i as f32 / n as f32).into()
))?;
}
Ok(())
}
/// Add a scene
fn scene_add (&mut self, name: Option<&str>, color: Option<ItemTheme>)
-> Usually<(usize, &mut Scene)> where Self: HasTracks
{
let scene = Scene {
name: name.map_or_else(||self.scene_default_name(), |x|x.to_string().into()),
clips: vec![None;self.tracks().len()],
color: color.unwrap_or_else(ItemTheme::random),
};
self.scenes_mut().push(scene);
let index = self.scenes().len() - 1;
Ok((index, &mut self.scenes_mut()[index]))
}
}
pub trait HasTracks: AsRef<Vec<Track>> + AsMut<Vec<Track>> {
fn tracks (&self) -> &Vec<Track> { self.as_ref() }
fn tracks_mut (&mut self) -> &mut Vec<Track> { self.as_mut() }
/// Run audio callbacks for every track and every device
fn process_tracks (&mut self, client: &Client, scope: &ProcessScope) -> Control {
for track in self.tracks_mut().iter_mut() {
if Control::Quit == Audio::process(&mut track.sequencer, client, scope) {
return Control::Quit
}
for device in track.devices.iter_mut() {
if Control::Quit == DeviceAudio(device).process(client, scope) {
return Control::Quit
}
}
}
Control::Continue
}
fn track_longest_name (&self) -> usize { self.tracks().iter().map(|s|s.name.len()).fold(0, usize::max) }
/// Stop all playing clips
fn tracks_stop_all (&mut self) { for track in self.tracks_mut().iter_mut() { track.sequencer.enqueue_next(None); } }
/// Stop all playing clips
fn tracks_launch (&mut self, clips: Option<Vec<Option<Arc<RwLock<MidiClip>>>>>) {
if let Some(clips) = clips {
for (clip, track) in clips.iter().zip(self.tracks_mut()) { track.sequencer.enqueue_next(clip.as_ref()); }
} else {
for track in self.tracks_mut().iter_mut() { track.sequencer.enqueue_next(None); }
}
}
/// Spacing between tracks.
const TRACK_SPACING: usize = 0;
}
pub trait HasTrack: AsRefOpt<Track> + AsMutOpt<Track> {
fn track (&self) -> Option<&Track> { self.as_ref_opt() }
fn track_mut (&mut self) -> Option<&mut Track> { self.as_mut_opt() }
#[cfg(feature = "port")] fn view_midi_ins_status <'a> (&'a self, theme: ItemTheme) -> impl Draw<Tui> + 'a {
self.track().map(move|track|view_ports_status(theme, "MIDI ins: ", &track.sequencer.midi_ins))
}
#[cfg(feature = "port")] fn view_midi_outs_status (&self, theme: ItemTheme) -> impl Draw<Tui> + '_ {
self.track().map(move|track|view_ports_status(theme, "MIDI outs: ", &track.sequencer.midi_outs))
}
#[cfg(feature = "port")] fn view_audio_ins_status (&self, theme: ItemTheme) -> impl Draw<Tui> {
self.track().map(move|track|view_ports_status(theme, "Audio ins: ", &track.audio_ins()))
}
#[cfg(feature = "port")] fn view_audio_outs_status (&self, theme: ItemTheme) -> impl Draw<Tui> {
self.track().map(move|track|view_ports_status(theme, "Audio outs:", &track.audio_outs()))
}
}

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/// Browses for files to load/save.
///
/// ```
/// let browse = tek::Browse::default();
/// ```
#[derive(Debug, Clone, Default, PartialEq)] pub struct Browse {
pub cwd: PathBuf,
pub dirs: Vec<(OsString, String)>,
pub files: Vec<(OsString, String)>,
pub filter: String,
pub index: usize,
pub scroll: usize,
pub size: Measure<Tui>,
}
pub(crate) struct EntriesIterator<'a> {
pub browser: &'a Browse,
pub offset: usize,
pub length: usize,
pub index: usize,
}
#[derive(Clone, Debug)] pub enum BrowseTarget {
SaveProject,
LoadProject,
ImportSample(Arc<RwLock<Option<Sample>>>),
ExportSample(Arc<RwLock<Option<Sample>>>),
ImportClip(Arc<RwLock<Option<MidiClip>>>),
ExportClip(Arc<RwLock<Option<MidiClip>>>),
}
/// A clip pool.
///
/// ```
/// let pool = tek::Pool::default();
/// ```
#[derive(Debug)] pub struct Pool {
pub visible: bool,
/// Selected clip
pub clip: AtomicUsize,
/// Mode switch
pub mode: Option<PoolMode>,
/// Embedded file browse
#[cfg(feature = "browse")] pub browse: Option<Browse>,
/// Collection of MIDI clips.
#[cfg(feature = "clip")] pub clips: Arc<RwLock<Vec<Arc<RwLock<MidiClip>>>>>,
/// Collection of sound samples.
#[cfg(feature = "sampler")] pub samples: Arc<RwLock<Vec<Arc<RwLock<Sample>>>>>,
}
/// Displays and edits clip length.
#[derive(Clone, Debug, Default)] pub struct ClipLength {
/// Pulses per beat (quaver)
pub ppq: usize,
/// Beats per bar
pub bpb: usize,
/// Length of clip in pulses
pub pulses: usize,
/// Selected subdivision
pub focus: Option<ClipLengthFocus>,
}
/// Some sort of wrapper again?
pub struct PoolView<'a>(pub &'a Pool);
// Commands supported by [Browse]
//#[derive(Debug, Clone, PartialEq)]
//pub enum BrowseCommand {
//Begin,
//Cancel,
//Confirm,
//Select(usize),
//Chdir(PathBuf),
//Filter(Arc<str>),
//}
/// Modes for clip pool
#[derive(Debug, Clone)] pub enum PoolMode {
/// Renaming a pattern
Rename(usize, Arc<str>),
/// Editing the length of a pattern
Length(usize, usize, ClipLengthFocus),
/// Load clip from disk
Import(usize, Browse),
/// Save clip to disk
Export(usize, Browse),
}
/// Focused field of `ClipLength`
#[derive(Copy, Clone, Debug)] pub enum ClipLengthFocus {
/// Editing the number of bars
Bar,
/// Editing the number of beats
Beat,
/// Editing the number of ticks
Tick,
}

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use crate::*;
/// Audio input port.
#[derive(Debug)] pub struct AudioInput {
/// Handle to JACK client, for receiving reconnect events.
pub jack: Jack<'static>,
/// Port name
pub name: Arc<str>,
/// Port handle.
pub port: Port<AudioIn>,
/// List of ports to connect to.
pub connections: Vec<Connect>,
}
/// Audio output port.
#[derive(Debug)] pub struct AudioOutput {
/// Handle to JACK client, for receiving reconnect events.
pub jack: Jack<'static>,
/// Port name
pub name: Arc<str>,
/// Port handle.
pub port: Port<AudioOut>,
/// List of ports to connect to.
pub connections: Vec<Connect>,
}
/// MIDI input port.
#[derive(Debug)] pub struct MidiInput {
/// Handle to JACK client, for receiving reconnect events.
pub jack: Jack<'static>,
/// Port name
pub name: Arc<str>,
/// Port handle.
pub port: Port<MidiIn>,
/// List of currently held notes.
pub held: Arc<RwLock<[bool;128]>>,
/// List of ports to connect to.
pub connections: Vec<Connect>,
}
/// MIDI output port.
#[derive(Debug)] pub struct MidiOutput {
/// Handle to JACK client, for receiving reconnect events.
pub jack: Jack<'static>,
/// Port name
pub name: Arc<str>,
/// Port handle.
pub port: Port<MidiOut>,
/// List of ports to connect to.
pub connections: Vec<Connect>,
/// List of currently held notes.
pub held: Arc<RwLock<[bool;128]>>,
/// Buffer
pub note_buffer: Vec<u8>,
/// Buffer
pub output_buffer: Vec<Vec<Vec<u8>>>,
}
#[derive(Clone, Debug, PartialEq)] pub enum ConnectName {
/** Exact match */
Exact(Arc<str>),
/** Match regular expression */
RegExp(Arc<str>),
}
#[derive(Clone, Copy, Debug, PartialEq)] pub enum ConnectScope {
One,
All
}
#[derive(Clone, Copy, Debug, PartialEq)] pub enum ConnectStatus {
Missing,
Disconnected,
Connected,
Mismatch,
}
/// Port connection manager.
///
/// ```
/// let connect = tek::Connect::default();
/// ```
#[derive(Clone, Debug, Default)] pub struct Connect {
pub name: Option<ConnectName>,
pub scope: Option<ConnectScope>,
pub status: Arc<RwLock<Vec<(Port<Unowned>, Arc<str>, ConnectStatus)>>>,
pub info: Arc<str>,
}
impl Connect {
pub fn collect (exact: &[impl AsRef<str>], re: &[impl AsRef<str>], re_all: &[impl AsRef<str>])
-> Vec<Self>
{
let mut connections = vec![];
for port in exact.iter() { connections.push(Self::exact(port)) }
for port in re.iter() { connections.push(Self::regexp(port)) }
for port in re_all.iter() { connections.push(Self::regexp_all(port)) }
connections
}
/// Connect to this exact port
pub fn exact (name: impl AsRef<str>) -> Self {
let info = format!("=:{}", name.as_ref()).into();
let name = Some(Exact(name.as_ref().into()));
Self { name, scope: Some(One), status: Arc::new(RwLock::new(vec![])), info }
}
pub fn regexp (name: impl AsRef<str>) -> Self {
let info = format!("~:{}", name.as_ref()).into();
let name = Some(RegExp(name.as_ref().into()));
Self { name, scope: Some(One), status: Arc::new(RwLock::new(vec![])), info }
}
pub fn regexp_all (name: impl AsRef<str>) -> Self {
let info = format!("+:{}", name.as_ref()).into();
let name = Some(RegExp(name.as_ref().into()));
Self { name, scope: Some(All), status: Arc::new(RwLock::new(vec![])), info }
}
pub fn info (&self) -> Arc<str> {
format!(" ({}) {} {}", {
let status = self.status.read().unwrap();
let mut ok = 0;
for (_, _, state) in status.iter() {
if *state == Connected {
ok += 1
}
}
format!("{ok}/{}", status.len())
}, match self.scope {
None => "x",
Some(One) => " ",
Some(All) => "*",
}, match &self.name {
None => format!("x"),
Some(Exact(name)) => format!("= {name}"),
Some(RegExp(name)) => format!("~ {name}"),
}).into()
}
}
impl HasJack<'static> for MidiInput { fn jack (&self) -> &Jack<'static> { &self.jack } }
impl HasJack<'static> for MidiOutput { fn jack (&self) -> &Jack<'static> { &self.jack } }
impl HasJack<'static> for AudioInput { fn jack (&self) -> &Jack<'static> { &self.jack } }
impl HasJack<'static> for AudioOutput { fn jack (&self) -> &Jack<'static> { &self.jack } }
impl<J: HasJack<'static>> RegisterPorts for J {
fn midi_in (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<MidiInput> {
MidiInput::new(self.jack(), name, connect)
}
fn midi_out (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<MidiOutput> {
MidiOutput::new(self.jack(), name, connect)
}
fn audio_in (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<AudioInput> {
AudioInput::new(self.jack(), name, connect)
}
fn audio_out (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<AudioOutput> {
AudioOutput::new(self.jack(), name, connect)
}
}
/// May create new MIDI input ports.
pub trait AddMidiIn {
fn midi_in_add (&mut self) -> Usually<()>;
}
/// May create new MIDI output ports.
pub trait AddMidiOut {
fn midi_out_add (&mut self) -> Usually<()>;
}
pub trait RegisterPorts: HasJack<'static> {
/// Register a MIDI input port.
fn midi_in (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<MidiInput>;
/// Register a MIDI output port.
fn midi_out (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<MidiOutput>;
/// Register an audio input port.
fn audio_in (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<AudioInput>;
/// Register an audio output port.
fn audio_out (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<AudioOutput>;
}
pub trait JackPort: HasJack<'static> {
type Port: PortSpec + Default;
type Pair: PortSpec + Default;
fn new (jack: &Jack<'static>, name: &impl AsRef<str>, connect: &[Connect])
-> Usually<Self> where Self: Sized;
fn register (jack: &Jack<'static>, name: &impl AsRef<str>) -> Usually<Port<Self::Port>> {
jack.with_client(|c|c.register_port::<Self::Port>(name.as_ref(), Default::default()))
.map_err(|e|e.into())
}
fn port_name (&self) -> &Arc<str>;
fn connections (&self) -> &[Connect];
fn port (&self) -> &Port<Self::Port>;
fn port_mut (&mut self) -> &mut Port<Self::Port>;
fn into_port (self) -> Port<Self::Port> where Self: Sized;
fn close (self) -> Usually<()> where Self: Sized {
let jack = self.jack().clone();
Ok(jack.with_client(|c|c.unregister_port(self.into_port()))?)
}
fn ports (&self, re_name: Option<&str>, re_type: Option<&str>, flags: PortFlags) -> Vec<String> {
self.with_client(|c|c.ports(re_name, re_type, flags))
}
fn port_by_id (&self, id: u32) -> Option<Port<Unowned>> {
self.with_client(|c|c.port_by_id(id))
}
fn port_by_name (&self, name: impl AsRef<str>) -> Option<Port<Unowned>> {
self.with_client(|c|c.port_by_name(name.as_ref()))
}
fn connect_to_matching <'k> (&'k self) -> Usually<()> {
for connect in self.connections().iter() {
match &connect.name {
Some(Exact(name)) => {
*connect.status.write().unwrap() = self.connect_exact(name)?;
},
Some(RegExp(re)) => {
*connect.status.write().unwrap() = self.connect_regexp(re, connect.scope)?;
},
_ => {},
};
}
Ok(())
}
fn connect_exact <'k> (&'k self, name: &str) ->
Usually<Vec<(Port<Unowned>, Arc<str>, ConnectStatus)>>
{
self.with_client(move|c|{
let mut status = vec![];
for port in c.ports(None, None, PortFlags::empty()).iter() {
if port.as_str() == &*name {
if let Some(port) = c.port_by_name(port.as_str()) {
let port_status = self.connect_to_unowned(&port)?;
let name = port.name()?.into();
status.push((port, name, port_status));
if port_status == Connected {
break
}
}
}
}
Ok(status)
})
}
fn connect_regexp <'k> (
&'k self, re: &str, scope: Option<ConnectScope>
) -> Usually<Vec<(Port<Unowned>, Arc<str>, ConnectStatus)>> {
self.with_client(move|c|{
let mut status = vec![];
let ports = c.ports(Some(&re), None, PortFlags::empty());
for port in ports.iter() {
if let Some(port) = c.port_by_name(port.as_str()) {
let port_status = self.connect_to_unowned(&port)?;
let name = port.name()?.into();
status.push((port, name, port_status));
if port_status == Connected && scope == Some(One) {
break
}
}
}
Ok(status)
})
}
/** Connect to a matching port by name. */
fn connect_to_name (&self, name: impl AsRef<str>) -> Usually<ConnectStatus> {
self.with_client(|c|if let Some(ref port) = c.port_by_name(name.as_ref()) {
self.connect_to_unowned(port)
} else {
Ok(Missing)
})
}
/** Connect to a matching port by reference. */
fn connect_to_unowned (&self, port: &Port<Unowned>) -> Usually<ConnectStatus> {
self.with_client(|c|Ok(if let Ok(_) = c.connect_ports(self.port(), port) {
Connected
} else if let Ok(_) = c.connect_ports(port, self.port()) {
Connected
} else {
Mismatch
}))
}
/** Connect to an owned matching port by reference. */
fn connect_to_owned (&self, port: &Port<Self::Pair>) -> Usually<ConnectStatus> {
self.with_client(|c|Ok(if let Ok(_) = c.connect_ports(self.port(), port) {
Connected
} else if let Ok(_) = c.connect_ports(port, self.port()) {
Connected
} else {
Mismatch
}))
}
}

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#[derive(Debug, Default)] pub enum MeteringMode {
#[default] Rms,
Log10,
}
#[derive(Debug, Default, Clone)] pub struct Log10Meter(pub f32);
#[derive(Debug, Default, Clone)] pub struct RmsMeter(pub f32);
#[derive(Debug, Default)] pub enum MixingMode {
#[default] Summing,
Average,
}

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/// A LV2 plugin.
#[derive(Debug)] #[cfg(feature = "lv2")] pub struct Lv2 {
/// JACK client handle (needs to not be dropped for standalone mode to work).
pub jack: Jack<'static>,
pub name: Arc<str>,
pub path: Option<Arc<str>>,
pub selected: usize,
pub mapping: bool,
pub midi_ins: Vec<Port<MidiIn>>,
pub midi_outs: Vec<Port<MidiOut>>,
pub audio_ins: Vec<Port<AudioIn>>,
pub audio_outs: Vec<Port<AudioOut>>,
pub lv2_world: livi::World,
pub lv2_instance: livi::Instance,
pub lv2_plugin: livi::Plugin,
pub lv2_features: Arc<livi::Features>,
pub lv2_port_list: Vec<livi::Port>,
pub lv2_input_buffer: Vec<livi::event::LV2AtomSequence>,
pub lv2_ui_thread: Option<JoinHandle<()>>,
}
/// A LV2 plugin's X11 UI.
#[cfg(feature = "lv2_gui")] pub struct LV2PluginUI {
pub window: Option<Window>
}

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/// Plays [Voice]s from [Sample]s.
///
/// ```
/// let sampler = tek::Sampler::default();
/// ```
#[derive(Debug, Default)] pub struct Sampler {
/// Name of sampler.
pub name: Arc<str>,
/// Device color.
pub color: ItemTheme,
/// Sample currently being recorded.
pub recording: Option<(usize, Option<Arc<RwLock<Sample>>>)>,
/// Recording buffer.
pub buffer: Vec<Vec<f32>>,
/// Samples mapped to MIDI notes.
pub samples: SampleKit<128>,
/// Collection of currently playing instances of samples.
pub voices: Arc<RwLock<Vec<Voice>>>,
/// Samples that are not mapped to MIDI notes.
pub unmapped: Vec<Arc<RwLock<Sample>>>,
/// Sample currently being edited.
pub editing: Option<Arc<RwLock<Sample>>>,
/// How to mix the voices.
pub mixing_mode: MixingMode,
/// How to meter the inputs and outputs.
pub metering_mode: MeteringMode,
/// Fixed gain applied to all output.
pub output_gain: f32,
/// Currently active modal, if any.
pub mode: Option<SamplerMode>,
/// Size of rendered sampler.
pub size: Measure<Tui>,
/// Lowest note displayed.
pub note_lo: AtomicUsize,
/// Currently selected note.
pub note_pt: AtomicUsize,
/// Selected note as row/col.
pub cursor: (AtomicUsize, AtomicUsize),
/// Audio input meters.
#[cfg(feature = "meter")] pub input_meters: Vec<f32>,
/// Audio input ports. Samples are recorded from here.
#[cfg(feature = "port")] pub audio_ins: Vec<AudioInput>,
/// MIDI input port. Sampler are triggered from here.
#[cfg(feature = "port")] pub midi_in: Option<MidiInput>,
/// Audio output ports. Voices are played into here.
#[cfg(feature = "port")] pub audio_outs: Vec<AudioOutput>,
/// Audio output meters.
#[cfg(feature = "meter")] pub output_meters: Vec<f32>,
}
/// Collection of samples, one per slot, fixed number of slots.
///
/// History: Separated to cleanly implement [Default].
///
/// ```
/// let samples = tek::SampleKit([None, None, None, None]);
/// ```
#[derive(Debug)] pub struct SampleKit<const N: usize>(
pub [Option<Arc<RwLock<Sample>>>;N]
);
/// A sound cut.
///
/// ```
/// let sample = tek::Sample::default();
/// let sample = tek::Sample::new("test", 0, 0, vec![]);
/// ```
#[derive(Default, Debug)] pub struct Sample {
pub name: Arc<str>,
pub start: usize,
pub end: usize,
pub channels: Vec<Vec<f32>>,
pub rate: Option<usize>,
pub gain: f32,
pub color: ItemTheme,
}
/// A currently playing instance of a sample.
#[derive(Default, Debug, Clone)] pub struct Voice {
pub sample: Arc<RwLock<Sample>>,
pub after: usize,
pub position: usize,
pub velocity: f32,
}
#[derive(Default, Debug)] pub struct SampleAdd {
pub exited: bool,
pub dir: PathBuf,
pub subdirs: Vec<OsString>,
pub files: Vec<OsString>,
pub cursor: usize,
pub offset: usize,
pub sample: Arc<RwLock<Sample>>,
pub voices: Arc<RwLock<Vec<Voice>>>,
pub _search: Option<String>,
}
#[derive(Debug)] pub enum SamplerMode {
// Load sample from path
Import(usize, Browse),
}
pub type MidiSample =
(Option<u7>, Arc<RwLock<crate::Sample>>);

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/// Contains state for viewing and editing a clip.
///
/// ```
/// use std::sync::{Arc, RwLock};
/// let clip = tek::MidiClip::stop_all();
/// let mut editor = tek::MidiEditor {
/// mode: tek::PianoHorizontal::new(Some(&Arc::new(RwLock::new(clip)))),
/// size: Default::default(),
/// //keys: Default::default(),
/// };
/// let _ = editor.put_note(true);
/// let _ = editor.put_note(false);
/// let _ = editor.clip_status();
/// let _ = editor.edit_status();
/// ```
pub struct MidiEditor {
/// Size of editor on screen
pub size: Measure<Tui>,
/// View mode and state of editor
pub mode: PianoHorizontal,
}
/// A clip, rendered as a horizontal piano roll.
///
/// ```
/// let piano = tek::PianoHorizontal::default();
/// ```
#[derive(Clone, Default)] pub struct PianoHorizontal {
pub clip: Option<Arc<RwLock<MidiClip>>>,
/// Buffer where the whole clip is rerendered on change
pub buffer: Arc<RwLock<BigBuffer>>,
/// Size of actual notes area
pub size: Measure<Tui>,
/// The display window
pub range: MidiSelection,
/// The note cursor
pub point: MidiCursor,
/// The highlight color palette
pub color: ItemTheme,
/// Width of the keyboard
pub keys_width: u16,
}
/// 12 piano keys, some highlighted.
///
/// ```
/// let keys = tek::OctaveVertical::default();
/// ```
#[derive(Copy, Clone)] pub struct OctaveVertical {
pub on: [bool; 12],
pub colors: [Color; 3]
}
/// A MIDI sequence.
///
/// ```
/// let clip = tek::MidiClip::default();
/// ```
#[derive(Debug, Clone, Default)] pub struct MidiClip {
pub uuid: uuid::Uuid,
/// Name of clip
pub name: Arc<str>,
/// Temporal resolution in pulses per quarter note
pub ppq: usize,
/// Length of clip in pulses
pub length: usize,
/// Notes in clip
pub notes: MidiData,
/// Whether to loop the clip or play it once
pub looped: bool,
/// Start of loop
pub loop_start: usize,
/// Length of loop
pub loop_length: usize,
/// All notes are displayed with minimum length
pub percussive: bool,
/// Identifying color of clip
pub color: ItemTheme,
}
/// Contains state for playing a clip
///
/// ```
/// let clip = tek::MidiClip::default();
/// println!("Empty clip: {clip:?}");
///
/// let clip = tek::MidiClip::stop_all();
/// println!("Panic clip: {clip:?}");
///
/// let mut clip = tek::MidiClip::new("clip", true, 1, None, None);
/// clip.set_length(96);
/// clip.toggle_loop();
/// clip.record_event(12, midly::MidiMessage::NoteOn { key: 36.into(), vel: 100.into() });
/// assert!(clip.contains_note_on(36.into(), 6, 18));
/// assert_eq!(&clip.notes, &clip.duplicate().notes);
///
/// let clip = std::sync::Arc::new(clip);
/// assert_eq!(clip.clone(), clip);
///
/// let sequencer = tek::Sequencer::default();
/// println!("{sequencer:?}");
/// ```
pub struct Sequencer {
/// State of clock and playhead
#[cfg(feature = "clock")] pub clock: Clock,
/// Start time and clip being played
#[cfg(feature = "clip")] pub play_clip: Option<(Moment, Option<Arc<RwLock<MidiClip>>>)>,
/// Start time and next clip
#[cfg(feature = "clip")] pub next_clip: Option<(Moment, Option<Arc<RwLock<MidiClip>>>)>,
/// Record from MIDI ports to current sequence.
#[cfg(feature = "port")] pub midi_ins: Vec<MidiInput>,
/// Play from current sequence to MIDI ports
#[cfg(feature = "port")] pub midi_outs: Vec<MidiOutput>,
/// Play input through output.
pub monitoring: bool,
/// Write input to sequence.
pub recording: bool,
/// Overdub input to sequence.
pub overdub: bool,
/// Send all notes off
pub reset: bool, // TODO?: after Some(nframes)
/// Notes currently held at input
pub notes_in: Arc<RwLock<[bool; 128]>>,
/// Notes currently held at output
pub notes_out: Arc<RwLock<[bool; 128]>>,
/// MIDI output buffer
pub note_buf: Vec<u8>,
/// MIDI output buffer
pub midi_buf: Vec<Vec<Vec<u8>>>,
}
/// A track consists of a sequencer and zero or more devices chained after it.
///
/// ```
/// let track: tek::Track = Default::default();
/// ```
#[derive(Debug, Default)] pub struct Track {
/// Name of track
pub name: Arc<str>,
/// Identifying color of track
pub color: ItemTheme,
/// Preferred width of track column
pub width: usize,
/// MIDI sequencer state
pub sequencer: Sequencer,
/// Device chain
pub devices: Vec<Device>,
}
pub trait HasPlayClip: HasClock {
fn reset (&self) -> bool;
fn reset_mut (&mut self) -> &mut bool;
fn play_clip (&self) -> &Option<(Moment, Option<Arc<RwLock<MidiClip>>>)>;
fn play_clip_mut (&mut self) -> &mut Option<(Moment, Option<Arc<RwLock<MidiClip>>>)>;
fn next_clip (&self) -> &Option<(Moment, Option<Arc<RwLock<MidiClip>>>)>;
fn next_clip_mut (&mut self) -> &mut Option<(Moment, Option<Arc<RwLock<MidiClip>>>)>;
fn pulses_since_start (&self) -> Option<f64> {
if let Some((started, Some(_))) = self.play_clip().as_ref() {
let elapsed = self.clock().playhead.pulse.get() - started.pulse.get();
return Some(elapsed)
}
None
}
fn pulses_since_start_looped (&self) -> Option<(f64, f64)> {
if let Some((started, Some(clip))) = self.play_clip().as_ref() {
let elapsed = self.clock().playhead.pulse.get() - started.pulse.get();
let length = clip.read().unwrap().length.max(1); // prevent div0 on empty clip
let times = (elapsed as usize / length) as f64;
let elapsed = (elapsed as usize % length) as f64;
return Some((times, elapsed))
}
None
}
fn enqueue_next (&mut self, clip: Option<&Arc<RwLock<MidiClip>>>) {
*self.next_clip_mut() = Some((self.clock().next_launch_instant(), clip.cloned()));
*self.reset_mut() = true;
}
fn play_status (&self) -> impl Draw<Tui> {
let (name, color): (Arc<str>, ItemTheme) = if let Some((_, Some(clip))) = self.play_clip() {
let MidiClip { ref name, color, .. } = *clip.read().unwrap();
(name.clone(), color)
} else {
("".into(), Tui::g(64).into())
};
let time: String = self.pulses_since_start_looped()
.map(|(times, time)|format!("{:>3}x {:>}", times+1.0, self.clock().timebase.format_beats_1(time)))
.unwrap_or_else(||String::from(" ")).into();
field_v(color, "Now:", format!("{} {}", time, name))
}
fn next_status (&self) -> impl Draw<Tui> {
let mut time: Arc<str> = String::from("--.-.--").into();
let mut name: Arc<str> = String::from("").into();
let mut color = ItemTheme::G[64];
let clock = self.clock();
if let Some((t, Some(clip))) = self.next_clip() {
let clip = clip.read().unwrap();
name = clip.name.clone();
color = clip.color.clone();
time = {
let target = t.pulse.get();
let current = clock.playhead.pulse.get();
if target > current {
let remaining = target - current;
format!("-{:>}", clock.timebase.format_beats_1(remaining))
} else {
String::new()
}
}.into()
} else if let Some((t, Some(clip))) = self.play_clip() {
let clip = clip.read().unwrap();
if clip.looped {
name = clip.name.clone();
color = clip.color.clone();
let target = t.pulse.get() + clip.length as f64;
let current = clock.playhead.pulse.get();
if target > current {
time = format!("-{:>}", clock.timebase.format_beats_0(target - current)).into()
}
} else {
name = "Stop".to_string().into();
}
};
field_v(color, "Next:", format!("{} {}", time, name))
}
}
pub trait MidiMonitor: HasMidiIns + HasMidiBuffers {
/// Input note flags.
fn notes_in (&self) -> &Arc<RwLock<[bool;128]>>;
/// Current monitoring status.
fn monitoring (&self) -> bool;
/// Mutable monitoring status.
fn monitoring_mut (&mut self) -> &mut bool;
/// Enable or disable monitoring.
fn toggle_monitor (&mut self) { *self.monitoring_mut() = !self.monitoring(); }
/// Perform monitoring.
fn monitor (&mut self, _scope: &ProcessScope) { /* do nothing by default */ }
}
pub trait MidiRecord: MidiMonitor + HasClock + HasPlayClip {
fn recording (&self) -> bool;
fn recording_mut (&mut self) -> &mut bool;
fn toggle_record (&mut self) {
*self.recording_mut() = !self.recording();
}
fn overdub (&self) -> bool;
fn overdub_mut (&mut self) -> &mut bool;
fn toggle_overdub (&mut self) {
*self.overdub_mut() = !self.overdub();
}
fn record_clip (
&mut self,
scope: &ProcessScope,
started: Moment,
clip: &Option<Arc<RwLock<MidiClip>>>,
) {
if let Some(clip) = clip {
let sample0 = scope.last_frame_time() as usize;
let start = started.sample.get() as usize;
let _recording = self.recording();
let timebase = self.clock().timebase().clone();
let quant = self.clock().quant.get();
let mut clip = clip.write().unwrap();
let length = clip.length;
for input in self.midi_ins_mut().iter() {
for (sample, event, _bytes) in parse_midi_input(input.port().iter(scope)) {
if let LiveEvent::Midi { message, .. } = event {
clip.record_event({
let sample = (sample0 + sample - start) as f64;
let pulse = timebase.samples_to_pulse(sample);
let quantized = (pulse / quant).round() * quant;
quantized as usize % length
}, message);
}
}
}
}
}
fn record_next (&mut self) {
// TODO switch to next clip and record into it
}
}
pub trait MidiViewer: MidiRange + MidiPoint + Debug + Send + Sync {
fn buffer_size (&self, clip: &MidiClip) -> (usize, usize);
fn redraw (&self);
fn clip (&self) -> &Option<Arc<RwLock<MidiClip>>>;
fn clip_mut (&mut self) -> &mut Option<Arc<RwLock<MidiClip>>>;
fn set_clip (&mut self, clip: Option<&Arc<RwLock<MidiClip>>>) {
*self.clip_mut() = clip.cloned();
self.redraw();
}
/// Make sure cursor is within note range
fn autoscroll (&self) {
let note_pos = self.get_note_pos().min(127);
let note_lo = self.get_note_lo();
let note_hi = self.get_note_hi();
if note_pos < note_lo {
self.note_lo().set(note_pos);
} else if note_pos > note_hi {
self.note_lo().set((note_lo + note_pos).saturating_sub(note_hi));
}
}
/// Make sure time range is within display
fn autozoom (&self) {
if self.time_lock().get() {
let time_len = self.get_time_len();
let time_axis = self.get_time_axis();
let time_zoom = self.get_time_zoom();
loop {
let time_zoom = self.time_zoom().get();
let time_area = time_axis * time_zoom;
if time_area > time_len {
let next_time_zoom = note_duration_prev(time_zoom);
if next_time_zoom <= 1 {
break
}
let next_time_area = time_axis * next_time_zoom;
if next_time_area >= time_len {
self.time_zoom().set(next_time_zoom);
} else {
break
}
} else if time_area < time_len {
let prev_time_zoom = note_duration_next(time_zoom);
if prev_time_zoom > 384 {
break
}
let prev_time_area = time_axis * prev_time_zoom;
if prev_time_area <= time_len {
self.time_zoom().set(prev_time_zoom);
} else {
break
}
}
}
if time_zoom != self.time_zoom().get() {
self.redraw()
}
}
//while time_len.div_ceil(time_zoom) > time_axis {
//println!("\r{time_len} {time_zoom} {time_axis}");
//time_zoom = Note::next(time_zoom);
//}
//self.time_zoom().set(time_zoom);
}
}
pub type MidiData =
Vec<Vec<MidiMessage>>;
pub type ClipPool =
Vec<Arc<RwLock<MidiClip>>>;
pub type CollectedMidiInput<'a> =
Vec<Vec<(u32, Result<LiveEvent<'a>, MidiError>)>>;
pub trait HasClips {
fn clips <'a> (&'a self) -> std::sync::RwLockReadGuard<'a, ClipPool>;
fn clips_mut <'a> (&'a self) -> std::sync::RwLockWriteGuard<'a, ClipPool>;
fn add_clip (&self) -> (usize, Arc<RwLock<MidiClip>>) {
let clip = Arc::new(RwLock::new(MidiClip::new("Clip", true, 384, None, None)));
self.clips_mut().push(clip.clone());
(self.clips().len() - 1, clip)
}
}
/// ```
/// use tek::{*, tengri::*};
///
/// struct Test(Option<MidiEditor>);
/// impl_as_ref_opt!(MidiEditor: |self: Test|self.0.as_ref());
/// impl_as_mut_opt!(MidiEditor: |self: Test|self.0.as_mut());
///
/// let mut host = Test(Some(MidiEditor::default()));
/// let _ = host.editor();
/// let _ = host.editor_mut();
/// let _ = host.is_editing();
/// let _ = host.editor_w();
/// let _ = host.editor_h();
/// ```
pub trait HasEditor: AsRefOpt<MidiEditor> + AsMutOpt<MidiEditor> {
fn editor (&self) -> Option<&MidiEditor> { self.as_ref_opt() }
fn editor_mut (&mut self) -> Option<&mut MidiEditor> { self.as_mut_opt() }
fn is_editing (&self) -> bool { self.editor().is_some() }
fn editor_w (&self) -> usize { self.editor().map(|e|e.size.w()).unwrap_or(0) as usize }
fn editor_h (&self) -> usize { self.editor().map(|e|e.size.h()).unwrap_or(0) as usize }
}
/// Trait for thing that may receive MIDI.
pub trait HasMidiIns {
fn midi_ins (&self) -> &Vec<MidiInput>;
fn midi_ins_mut (&mut self) -> &mut Vec<MidiInput>;
/// Collect MIDI input from app ports (TODO preallocate large buffers)
fn midi_input_collect <'a> (&'a self, scope: &'a ProcessScope) -> CollectedMidiInput<'a> {
self.midi_ins().iter()
.map(|port|port.port().iter(scope)
.map(|RawMidi { time, bytes }|(time, LiveEvent::parse(bytes)))
.collect::<Vec<_>>())
.collect::<Vec<_>>()
}
fn midi_ins_with_sizes <'a> (&'a self) ->
impl Iterator<Item=(usize, &'a Arc<str>, &'a [Connect], usize, usize)> + Send + Sync + 'a
{
let mut y = 0;
self.midi_ins().iter().enumerate().map(move|(i, input)|{
let height = 1 + input.connections().len();
let data = (i, input.port_name(), input.connections(), y, y + height);
y += height;
data
})
}
}
/// Trait for thing that may output MIDI.
pub trait HasMidiOuts {
fn midi_outs (&self) -> &Vec<MidiOutput>;
fn midi_outs_mut (&mut self) -> &mut Vec<MidiOutput>;
fn midi_outs_with_sizes <'a> (&'a self) ->
impl Iterator<Item=(usize, &'a Arc<str>, &'a [Connect], usize, usize)> + Send + Sync + 'a
{
let mut y = 0;
self.midi_outs().iter().enumerate().map(move|(i, output)|{
let height = 1 + output.connections().len();
let data = (i, output.port_name(), output.connections(), y, y + height);
y += height;
data
})
}
fn midi_outs_emit (&mut self, scope: &ProcessScope) {
for port in self.midi_outs_mut().iter_mut() {
port.buffer_emit(scope)
}
}
}
pub trait HasMidiClip {
fn clip (&self) -> Option<Arc<RwLock<MidiClip>>>;
}
pub trait HasSequencer: AsRef<Sequencer> + AsMut<Sequencer> {
fn sequencer_mut (&mut self) -> &mut Sequencer { self.as_mut() }
fn sequencer (&self) -> &Sequencer { self.as_ref() }
}
pub trait HasMidiBuffers {
fn note_buf_mut (&mut self) -> &mut Vec<u8>;
fn midi_buf_mut (&mut self) -> &mut Vec<Vec<Vec<u8>>>;
}
pub trait NotePoint {
fn note_len (&self) -> &AtomicUsize;
/// Get the current length of the note cursor.
fn get_note_len (&self) -> usize {
self.note_len().load(Relaxed)
}
/// Set the length of the note cursor, returning the previous value.
fn set_note_len (&self, x: usize) -> usize {
self.note_len().swap(x, Relaxed)
}
fn note_pos (&self) -> &AtomicUsize;
/// Get the current pitch of the note cursor.
fn get_note_pos (&self) -> usize {
self.note_pos().load(Relaxed).min(127)
}
/// Set the current pitch fo the note cursor, returning the previous value.
fn set_note_pos (&self, x: usize) -> usize {
self.note_pos().swap(x.min(127), Relaxed)
}
}
pub trait TimePoint {
fn time_pos (&self) -> &AtomicUsize;
/// Get the current time position of the note cursor.
fn get_time_pos (&self) -> usize {
self.time_pos().load(Relaxed)
}
/// Set the current time position of the note cursor, returning the previous value.
fn set_time_pos (&self, x: usize) -> usize {
self.time_pos().swap(x, Relaxed)
}
}
pub trait MidiPoint: NotePoint + TimePoint {
/// Get the current end of the note cursor.
fn get_note_end (&self) -> usize {
self.get_time_pos() + self.get_note_len()
}
}
pub trait TimeRange {
fn time_len (&self) -> &AtomicUsize;
fn get_time_len (&self) -> usize {
self.time_len().load(Ordering::Relaxed)
}
fn time_zoom (&self) -> &AtomicUsize;
fn get_time_zoom (&self) -> usize {
self.time_zoom().load(Ordering::Relaxed)
}
fn set_time_zoom (&self, value: usize) -> usize {
self.time_zoom().swap(value, Ordering::Relaxed)
}
fn time_lock (&self) -> &AtomicBool;
fn get_time_lock (&self) -> bool {
self.time_lock().load(Ordering::Relaxed)
}
fn set_time_lock (&self, value: bool) -> bool {
self.time_lock().swap(value, Ordering::Relaxed)
}
fn time_start (&self) -> &AtomicUsize;
fn get_time_start (&self) -> usize {
self.time_start().load(Ordering::Relaxed)
}
fn set_time_start (&self, value: usize) -> usize {
self.time_start().swap(value, Ordering::Relaxed)
}
fn time_axis (&self) -> &AtomicUsize;
fn get_time_axis (&self) -> usize {
self.time_axis().load(Ordering::Relaxed)
}
fn get_time_end (&self) -> usize {
self.time_start().get() + self.time_axis().get() * self.time_zoom().get()
}
}
pub trait NoteRange {
fn note_lo (&self) -> &AtomicUsize;
fn get_note_lo (&self) -> usize {
self.note_lo().load(Ordering::Relaxed)
}
fn set_note_lo (&self, x: usize) -> usize {
self.note_lo().swap(x, Ordering::Relaxed)
}
fn note_axis (&self) -> &AtomicUsize;
fn get_note_axis (&self) -> usize {
self.note_axis().load(Ordering::Relaxed)
}
fn get_note_hi (&self) -> usize {
(self.note_lo().get() + self.note_axis().get().saturating_sub(1)).min(127)
}
}
pub trait MidiRange: TimeRange + NoteRange {}
///
/// ```
/// let _ = tek::MidiCursor::default();
/// ```
#[derive(Debug, Clone)] pub struct MidiCursor {
/// Time coordinate of cursor
pub time_pos: Arc<AtomicUsize>,
/// Note coordinate of cursor
pub note_pos: Arc<AtomicUsize>,
/// Length of note that will be inserted, in pulses
pub note_len: Arc<AtomicUsize>,
}
///
/// ```
/// use tek::{TimeRange, NoteRange};
/// let model = tek::MidiSelection::from((1, false));
///
/// let _ = model.get_time_len();
/// let _ = model.get_time_zoom();
/// let _ = model.get_time_lock();
/// let _ = model.get_time_start();
/// let _ = model.get_time_axis();
/// let _ = model.get_time_end();
///
/// let _ = model.get_note_lo();
/// let _ = model.get_note_axis();
/// let _ = model.get_note_hi();
/// ```
#[derive(Debug, Clone, Default)] pub struct MidiSelection {
pub time_len: Arc<AtomicUsize>,
/// Length of visible time axis
pub time_axis: Arc<AtomicUsize>,
/// Earliest time displayed
pub time_start: Arc<AtomicUsize>,
/// Time step
pub time_zoom: Arc<AtomicUsize>,
/// Auto rezoom to fit in time axis
pub time_lock: Arc<AtomicBool>,
/// Length of visible note axis
pub note_axis: Arc<AtomicUsize>,
// Lowest note displayed
pub note_lo: Arc<AtomicUsize>,
}

View file

@ -4,10 +4,18 @@
impl_trait_in_assoc_type, trait_alias, type_alias_impl_trait, type_changing_struct_update impl_trait_in_assoc_type, trait_alias, type_alias_impl_trait, type_changing_struct_update
)] )]
mod tek_struct; pub use self::tek_struct::*; pub mod arrange;
mod tek_trait; pub use self::tek_trait::*; pub mod browse;
mod tek_type; pub use self::tek_type::*; pub mod connect;
mod tek_impls; pub mod device;
pub mod mix;
pub mod plugin;
pub mod sample;
pub mod sequence;
pub mod tick;
use clap::{self, Parser, Subcommand};
use builder_pattern::Builder;
extern crate xdg; extern crate xdg;
pub(crate) use ::xdg::BaseDirectories; pub(crate) use ::xdg::BaseDirectories;
@ -61,6 +69,7 @@ pub(crate) use tengri::{
ops::{Add, Sub, Mul, Div, Rem}, ops::{Add, Sub, Mul, Div, Rem},
path::{Path, PathBuf}, path::{Path, PathBuf},
sync::{Arc, RwLock, atomic::{AtomicBool, AtomicUsize, Ordering::Relaxed}}, sync::{Arc, RwLock, atomic::{AtomicBool, AtomicUsize, Ordering::Relaxed}},
time::Duration,
thread::{spawn, JoinHandle}, thread::{spawn, JoinHandle},
}, },
}; };
@ -1215,3 +1224,585 @@ pub(crate) const HEADER: &'static str = r#"
~ ~~~ ~ ~ ~~ ~ ~ ~ ~~ ~ ~ ~ ~ ~ ~~~ ~ ~ ~~ ~ ~ ~ ~~ ~ ~ ~ ~
term ~ v0.4.0, 2026 winter (or is it) ~ term ~ v0.4.0, 2026 winter (or is it) ~
~ ~ ~~~ ~ ~ ~ ~ ~~~ ~~~ ~ ~~ "#; ~ ~ ~~~ ~ ~ ~ ~ ~~~ ~~~ ~ ~~ "#;
/// Total state
///
/// ```
/// use tek::{HasTracks, HasScenes, TracksView, ScenesView};
/// let mut app = tek::App::default();
/// let _ = app.scene_add(None, None).unwrap();
/// let _ = app.update_clock();
/// app.project.editor = Some(Default::default());
/// //let _: Vec<_> = app.project.inputs_with_sizes().collect();
/// //let _: Vec<_> = app.project.outputs_with_sizes().collect();
/// let _: Vec<_> = app.project.tracks_with_sizes().collect();
/// //let _: Vec<_> = app.project.scenes_with_sizes(true, 10, 10).collect();
/// //let _: Vec<_> = app.scenes_with_colors(true, 10).collect();
/// //let _: Vec<_> = app.scenes_with_track_colors(true, 10, 10).collect();
/// let _ = app.project.w();
/// //let _ = app.project.w_sidebar();
/// //let _ = app.project.w_tracks_area();
/// let _ = app.project.h();
/// //let _ = app.project.h_tracks_area();
/// //let _ = app.project.h_inputs();
/// //let _ = app.project.h_outputs();
/// let _ = app.project.h_scenes();
/// ```
#[derive(Default, Debug)] pub struct App {
/// Base color.
pub color: ItemTheme,
/// Must not be dropped for the duration of the process
pub jack: Jack<'static>,
/// Display size
pub size: Measure<Tui>,
/// Performance counter
pub perf: PerfModel,
/// Available view modes and input bindings
pub config: Config,
/// Currently selected mode
pub mode: Arc<Mode<Arc<str>>>,
/// Undo history
pub history: Vec<(AppCommand, Option<AppCommand>)>,
/// Dialog overlay
pub dialog: Dialog,
/// Contains all recently created clips.
pub pool: Pool,
/// Contains the currently edited musical arrangement
pub project: Arrangement,
/// Error, if any
pub error: Arc<RwLock<Option<Arc<str>>>>
}
/// Configuration: mode, view, and bind definitions.
///
/// ```
/// let config = tek::Config::default();
/// ```
///
/// ```
/// // Some dizzle.
/// // What indentation to use here lol?
/// let source = stringify!((mode :menu (name Menu)
/// (info Mode selector.) (keys :axis/y :confirm)
/// (view (bg (g 0) (bsp/s :ports/out
/// (bsp/n :ports/in
/// (bg (g 30) (bsp/s (fixed/y 7 :logo)
/// (fill :dialog/menu)))))))));
/// // Add this definition to the config and try to load it.
/// // A "mode" is basically a state machine
/// // with associated input and output definitions.
/// tek::Config::default().add(&source).unwrap().get_mode(":menu").unwrap();
/// ```
#[derive(Default, Debug)] pub struct Config {
/// XDG base directories of running user.
pub dirs: BaseDirectories,
/// Active collection of interaction modes.
pub modes: Modes,
/// Active collection of event bindings.
pub binds: Binds,
/// Active collection of view definitions.
pub views: Views,
}
/// Group of view and keys definitions.
///
/// ```
/// let mode = tek::Mode::<std::sync::Arc<str>>::default();
/// ```
#[derive(Default, Debug)] pub struct Mode<D: Language + Ord> {
pub path: PathBuf,
pub name: Vec<D>,
pub info: Vec<D>,
pub view: Vec<D>,
pub keys: Vec<D>,
pub modes: Modes,
}
/// An map of input events (e.g. [TuiEvent]) to [Binding]s.
///
/// ```
/// let lang = "(@x (nop)) (@y (nop) (nop))";
/// let bind = tek::Bind::<tek::tengri::TuiEvent, std::sync::Arc<str>>::load(&lang).unwrap();
/// assert_eq!(bind.query(&'x'.into()).map(|x|x.len()), Some(1));
/// //assert_eq!(bind.query(&'y'.into()).map(|x|x.len()), Some(2));
/// ```
#[derive(Debug)] pub struct Bind<E, C>(
/// Map of each event (e.g. key combination) to
/// all command expressions bound to it by
/// all loaded input layers.
pub BTreeMap<E, Vec<Binding<C>>>
);
/// A sequence of zero or more commands (e.g. [AppCommand]),
/// optionally filtered by [Condition] to form layers.
///
/// ```
/// //FIXME: Why does it overflow?
/// //let binding: Binding<()> = tek::Binding { ..Default::default() };
/// ```
#[derive(Debug, Clone)] pub struct Binding<C> {
pub commands: Arc<[C]>,
pub condition: Option<Condition>,
pub description: Option<Arc<str>>,
pub source: Option<Arc<PathBuf>>,
}
/// Condition that must evaluate to true in order to enable an input layer.
///
/// ```
/// let condition = tek::Condition(std::sync::Arc::new(Box::new(||{true})));
/// ```
#[derive(Clone)] pub struct Condition(
pub Arc<Box<dyn Fn()->bool + Send + Sync>>
);
/// List of menu items.
///
/// ```
/// let items: tek::MenuItems = Default::default();
/// ```
#[derive(Debug, Clone, Default, PartialEq)] pub struct MenuItems(
pub Arc<[MenuItem]>
);
/// An item of a menu.
///
/// ```
/// let item: tek::MenuItem = Default::default();
/// ```
#[derive(Clone)] pub struct MenuItem(
/// Label
pub Arc<str>,
/// Callback
pub Arc<Box<dyn Fn(&mut App)->Usually<()> + Send + Sync>>
);
/// The command-line interface descriptor.
///
/// ```
/// let cli: tek::Cli = Default::default();
///
/// use clap::CommandFactory;
/// tek::Cli::command().debug_assert();
/// ```
#[derive(Parser)]
#[command(name = "tek", version, about = Some(HEADER), long_about = Some(HEADER))]
#[derive(Debug, Default)] pub struct Cli {
/// Pre-defined configuration modes.
///
/// TODO: Replace these with scripted configurations.
#[command(subcommand)] pub action: Action,
}
/// Application modes that can be passed to the mommand line interface.
///
/// ```
/// let action: tek::Action = Default::default();
/// ```
#[derive(Debug, Clone, Subcommand, Default)] pub enum Action {
/// Continue where you left off
#[default] Resume,
/// Run headlessly in current session.
Headless,
/// Show status of current session.
Status,
/// List known sessions.
List,
/// Continue work in a copy of the current session.
Fork,
/// Create a new empty session.
New {
/// Name of JACK client
#[arg(short='n', long)] name: Option<String>,
/// Whether to attempt to become transport master
#[arg(short='Y', long, default_value_t = false)] sync_lead: bool,
/// Whether to sync to external transport master
#[arg(short='y', long, default_value_t = true)] sync_follow: bool,
/// Initial tempo in beats per minute
#[arg(short='b', long, default_value = None)] bpm: Option<f64>,
/// Whether to include a transport toolbar (default: true)
#[arg(short='c', long, default_value_t = true)] show_clock: bool,
/// MIDI outs to connect to (multiple instances accepted)
#[arg(short='I', long)] midi_from: Vec<String>,
/// MIDI outs to connect to (multiple instances accepted)
#[arg(short='i', long)] midi_from_re: Vec<String>,
/// MIDI ins to connect to (multiple instances accepted)
#[arg(short='O', long)] midi_to: Vec<String>,
/// MIDI ins to connect to (multiple instances accepted)
#[arg(short='o', long)] midi_to_re: Vec<String>,
/// Audio outs to connect to left input
#[arg(short='l', long)] left_from: Vec<String>,
/// Audio outs to connect to right input
#[arg(short='r', long)] right_from: Vec<String>,
/// Audio ins to connect from left output
#[arg(short='L', long)] left_to: Vec<String>,
/// Audio ins to connect from right output
#[arg(short='R', long)] right_to: Vec<String>,
/// Tracks to create
#[arg(short='t', long)] tracks: Option<usize>,
/// Scenes to create
#[arg(short='s', long)] scenes: Option<usize>,
},
/// Import media as new session.
Import,
/// Show configuration.
Config,
/// Show version.
Version,
}
pub type SceneWith<'a, T> =
(usize, &'a Scene, usize, usize, T);
/// Collection of interaction modes.
pub type Modes = Arc<RwLock<BTreeMap<Arc<str>, Arc<Mode<Arc<str>>>>>>;
/// Collection of input bindings.
pub type Binds = Arc<RwLock<BTreeMap<Arc<str>, Bind<TuiEvent, Arc<str>>>>>;
/// Collection of view definitions.
pub type Views = Arc<RwLock<BTreeMap<Arc<str>, Arc<str>>>>;
pub trait HasClipsSize { fn clips_size (&self) -> &Measure<Tui>; }
pub trait HasDevices: AsRef<Vec<Device>> + AsMut<Vec<Device>> {
fn devices (&self) -> &Vec<Device> { self.as_ref() }
fn devices_mut (&mut self) -> &mut Vec<Device> { self.as_mut() }
}
pub trait HasWidth {
const MIN_WIDTH: usize;
/// Increment track width.
fn width_inc (&mut self);
/// Decrement track width, down to a hardcoded minimum of [Self::MIN_WIDTH].
fn width_dec (&mut self);
}
/// A control axis.
///
/// ```
/// let axis = tek::ControlAxis::X;
/// ```
#[derive(Debug, Copy, Clone)] pub enum ControlAxis {
X, Y, Z, I
}
/// Various possible dialog modes.
///
/// ```
/// let dialog: tek::Dialog = Default::default();
/// ```
#[derive(Debug, Clone, Default, PartialEq)] pub enum Dialog {
#[default] None,
Help(usize),
Menu(usize, MenuItems),
Device(usize),
Message(Arc<str>),
Browse(BrowseTarget, Arc<Browse>),
Options,
}
/// A device that can be plugged into the chain.
///
/// ```
/// let device = tek::Device::default();
/// ```
#[derive(Debug, Default)] pub enum Device {
#[default]
Bypass,
Mute,
#[cfg(feature = "sampler")]
Sampler(Sampler),
#[cfg(feature = "lv2")] // TODO
Lv2(Lv2),
#[cfg(feature = "vst2")] // TODO
Vst2,
#[cfg(feature = "vst3")] // TODO
Vst3,
#[cfg(feature = "clap")] // TODO
Clap,
#[cfg(feature = "sf2")] // TODO
Sf2,
}
/// Some sort of wrapper?
pub struct DeviceAudio<'a>(pub &'a mut Device);
/// Command-line configuration.
#[cfg(feature = "cli")] impl Cli {
pub fn run (&self) -> Usually<()> {
if let Action::Version = self.action {
return Ok(tek_show_version())
}
let mut config = Config::new(None);
config.init()?;
if let Action::Config = self.action {
tek_print_config(&config);
} else if let Action::List = self.action {
todo!("list sessions")
} else if let Action::Resume = self.action {
todo!("resume session")
} else if let Action::New {
name, bpm, tracks, scenes, sync_lead, sync_follow,
midi_from, midi_from_re, midi_to, midi_to_re,
left_from, right_from, left_to, right_to, ..
} = &self.action {
// Connect to JACK
let name = name.as_ref().map_or("tek", |x|x.as_str());
let jack = Jack::new(&name)?;
// TODO: Collect audio IO:
let empty = &[] as &[&str];
let left_froms = Connect::collect(&left_from, empty, empty);
let left_tos = Connect::collect(&left_to, empty, empty);
let right_froms = Connect::collect(&right_from, empty, empty);
let right_tos = Connect::collect(&right_to, empty, empty);
let _audio_froms = &[left_froms.as_slice(), right_froms.as_slice()];
let _audio_tos = &[left_tos.as_slice(), right_tos.as_slice()];
// Create initial project:
let clock = Clock::new(&jack, *bpm)?;
let mut project = Arrangement::new(
&jack,
None,
clock,
vec![],
vec![],
Connect::collect(&midi_from, &[] as &[&str], &midi_from_re).iter().enumerate()
.map(|(index, connect)|jack.midi_in(&format!("M/{index}"), &[connect.clone()]))
.collect::<Result<Vec<_>, _>>()?,
Connect::collect(&midi_to, &[] as &[&str], &midi_to_re).iter().enumerate()
.map(|(index, connect)|jack.midi_out(&format!("{index}/M"), &[connect.clone()]))
.collect::<Result<Vec<_>, _>>()?
);
project.tracks_add(tracks.unwrap_or(0), None, &[], &[])?;
project.scenes_add(scenes.unwrap_or(0))?;
if matches!(self.action, Action::Status) {
// Show status and exit
tek_print_status(&project);
return Ok(())
}
// Initialize the app state
let app = tek(&jack, project, config, ":menu");
if matches!(self.action, Action::Headless) {
// TODO: Headless mode (daemon + client over IPC, then over network...)
println!("todo headless");
return Ok(())
}
// Run the [Tui] and [Jack] threads with the [App] state.
Tui::new(Box::new(std::io::stdout()))?.run(true, &jack.run(move|jack|{
// Between jack init and app's first cycle:
jack.sync_lead(*sync_lead, |mut state|{
let clock = app.clock();
clock.playhead.update_from_sample(state.position.frame() as f64);
state.position.bbt = Some(clock.bbt());
state.position
})?;
jack.sync_follow(*sync_follow)?;
// FIXME: They don't work properly.
Ok(app)
})?)?;
}
Ok(())
}
}
impl Config {
const CONFIG_DIR: &'static str = "tek";
const CONFIG_SUB: &'static str = "v0";
const CONFIG: &'static str = "tek.edn";
const DEFAULTS: &'static str = include_str!("./tek.edn");
/// Create a new app configuration from a set of XDG base directories,
pub fn new (dirs: Option<BaseDirectories>) -> Self {
let default = ||BaseDirectories::with_profile(Self::CONFIG_DIR, Self::CONFIG_SUB);
let dirs = dirs.unwrap_or_else(default);
Self { dirs, ..Default::default() }
}
/// Write initial contents of configuration.
pub fn init (&mut self) -> Usually<()> {
self.init_one(Self::CONFIG, Self::DEFAULTS, |cfgs, dsl|{
cfgs.add(&dsl)?;
Ok(())
})?;
Ok(())
}
/// Write initial contents of a configuration file.
pub fn init_one (
&mut self, path: &str, defaults: &str, mut each: impl FnMut(&mut Self, &str)->Usually<()>
) -> Usually<()> {
if self.dirs.find_config_file(path).is_none() {
//println!("Creating {path:?}");
std::fs::write(self.dirs.place_config_file(path)?, defaults)?;
}
Ok(if let Some(path) = self.dirs.find_config_file(path) {
//println!("Loading {path:?}");
let src = std::fs::read_to_string(&path)?;
src.as_str().each(move|item|each(self, item))?;
} else {
return Err(format!("{path}: not found").into())
})
}
/// Add statements to configuration from [Dsl] source.
pub fn add (&mut self, dsl: impl Language) -> Usually<&mut Self> {
dsl.each(|item|self.add_one(item))?;
Ok(self)
}
fn add_one (&self, item: impl Language) -> Usually<()> {
if let Some(expr) = item.expr()? {
let head = expr.head()?;
let tail = expr.tail()?;
let name = tail.head()?;
let body = tail.tail()?;
//println!("Config::load: {} {} {}", head.unwrap_or_default(), name.unwrap_or_default(), body.unwrap_or_default());
match head {
Some("mode") if let Some(name) = name => load_mode(&self.modes, &name, &body)?,
Some("keys") if let Some(name) = name => load_bind(&self.binds, &name, &body)?,
Some("view") if let Some(name) = name => load_view(&self.views, &name, &body)?,
_ => return Err(format!("Config::load: expected view/keys/mode, got: {item:?}").into())
}
Ok(())
} else {
return Err(format!("Config::load: expected expr, got: {item:?}").into())
}
}
pub fn get_mode (&self, mode: impl AsRef<str>) -> Option<Arc<Mode<Arc<str>>>> {
self.modes.clone().read().unwrap().get(mode.as_ref()).cloned()
}
}
impl Mode<Arc<str>> {
/// Add a definition to the mode.
///
/// Supported definitions:
///
/// - (name ...) -> name
/// - (info ...) -> description
/// - (keys ...) -> key bindings
/// - (mode ...) -> submode
/// - ... -> view
///
/// ```
/// let mut mode: tek::Mode<std::sync::Arc<str>> = Default::default();
/// mode.add("(name hello)").unwrap();
/// ```
pub fn add (&mut self, dsl: impl Language) -> Usually<()> {
Ok(if let Ok(Some(expr)) = dsl.expr() && let Ok(Some(head)) = expr.head() {
//println!("Mode::add: {head} {:?}", expr.tail());
let tail = expr.tail()?.map(|x|x.trim()).unwrap_or("");
match head {
"name" => self.add_name(tail)?,
"info" => self.add_info(tail)?,
"keys" => self.add_keys(tail)?,
"mode" => self.add_mode(tail)?,
_ => self.add_view(tail)?,
};
} else if let Ok(Some(word)) = dsl.word() {
self.add_view(word);
} else {
return Err(format!("Mode::add: unexpected: {dsl:?}").into());
})
//DslParse(dsl, ||Err(format!("Mode::add: unexpected: {dsl:?}").into()))
//.word(|word|self.add_view(word))
//.expr(|expr|expr.head(|head|{
////println!("Mode::add: {head} {:?}", expr.tail());
//let tail = expr.tail()?.map(|x|x.trim()).unwrap_or("");
//match head {
//"name" => self.add_name(tail),
//"info" => self.add_info(tail),
//"keys" => self.add_keys(tail)?,
//"mode" => self.add_mode(tail)?,
//_ => self.add_view(tail),
//};
//}))
}
fn add_name (&mut self, dsl: impl Language) -> Perhaps<()> {
Ok(dsl.src()?.map(|src|self.name.push(src.into())))
}
fn add_info (&mut self, dsl: impl Language) -> Perhaps<()> {
Ok(dsl.src()?.map(|src|self.info.push(src.into())))
}
fn add_view (&mut self, dsl: impl Language) -> Perhaps<()> {
Ok(dsl.src()?.map(|src|self.view.push(src.into())))
}
fn add_keys (&mut self, dsl: impl Language) -> Perhaps<()> {
Ok(Some(dsl.each(|expr|{ self.keys.push(expr.trim().into()); Ok(()) })?))
}
fn add_mode (&mut self, dsl: impl Language) -> Perhaps<()> {
Ok(Some(if let Some(id) = dsl.head()? {
load_mode(&self.modes, &id, &dsl.tail())?;
} else {
return Err(format!("Mode::add: self: incomplete: {dsl:?}").into());
}))
}
}
impl<E: Clone + Ord, C> Bind<E, C> {
/// Create a new event map
pub fn new () -> Self {
Default::default()
}
/// Add a binding to an owned event map.
pub fn def (mut self, event: E, binding: Binding<C>) -> Self {
self.add(event, binding);
self
}
/// Add a binding to an event map.
pub fn add (&mut self, event: E, binding: Binding<C>) -> &mut Self {
if !self.0.contains_key(&event) {
self.0.insert(event.clone(), Default::default());
}
self.0.get_mut(&event).unwrap().push(binding);
self
}
/// Return the binding(s) that correspond to an event.
pub fn query (&self, event: &E) -> Option<&[Binding<C>]> {
self.0.get(event).map(|x|x.as_slice())
}
/// Return the first binding that corresponds to an event, considering conditions.
pub fn dispatch (&self, event: &E) -> Option<&Binding<C>> {
self.query(event)
.map(|bb|bb.iter().filter(|b|b.condition.as_ref().map(|c|(c.0)()).unwrap_or(true)).next())
.flatten()
}
}
impl Bind<TuiEvent, Arc<str>> {
pub fn load (lang: &impl Language) -> Usually<Self> {
let mut map = Bind::new();
lang.each(|item|if item.expr().head() == Ok(Some("see")) {
// TODO
Ok(())
} else if let Ok(Some(_word)) = item.expr().head().word() {
if let Some(key) = TuiEvent::from_dsl(item.expr()?.head()?)? {
map.add(key, Binding {
commands: [item.expr()?.tail()?.unwrap_or_default().into()].into(),
condition: None,
description: None,
source: None
});
Ok(())
} else if Some(":char") == item.expr()?.head()? {
// TODO
return Ok(())
} else {
return Err(format!("Config::load_bind: invalid key: {:?}", item.expr()?.head()?).into())
}
} else {
return Err(format!("Config::load_bind: unexpected: {item:?}").into())
})?;
Ok(map)
}
}

View file

@ -941,55 +941,6 @@ mod clock {
}); });
} }
impl Connect {
pub fn collect (exact: &[impl AsRef<str>], re: &[impl AsRef<str>], re_all: &[impl AsRef<str>])
-> Vec<Self>
{
let mut connections = vec![];
for port in exact.iter() { connections.push(Self::exact(port)) }
for port in re.iter() { connections.push(Self::regexp(port)) }
for port in re_all.iter() { connections.push(Self::regexp_all(port)) }
connections
}
/// Connect to this exact port
pub fn exact (name: impl AsRef<str>) -> Self {
let info = format!("=:{}", name.as_ref()).into();
let name = Some(Exact(name.as_ref().into()));
Self { name, scope: Some(One), status: Arc::new(RwLock::new(vec![])), info }
}
pub fn regexp (name: impl AsRef<str>) -> Self {
let info = format!("~:{}", name.as_ref()).into();
let name = Some(RegExp(name.as_ref().into()));
Self { name, scope: Some(One), status: Arc::new(RwLock::new(vec![])), info }
}
pub fn regexp_all (name: impl AsRef<str>) -> Self {
let info = format!("+:{}", name.as_ref()).into();
let name = Some(RegExp(name.as_ref().into()));
Self { name, scope: Some(All), status: Arc::new(RwLock::new(vec![])), info }
}
pub fn info (&self) -> Arc<str> {
format!(" ({}) {} {}", {
let status = self.status.read().unwrap();
let mut ok = 0;
for (_, _, state) in status.iter() {
if *state == Connected {
ok += 1
}
}
format!("{ok}/{}", status.len())
}, match self.scope {
None => "x",
Some(One) => " ",
Some(All) => "*",
}, match &self.name {
None => format!("x"),
Some(Exact(name)) => format!("= {name}"),
Some(RegExp(name)) => format!("~ {name}"),
}).into()
}
}
impl Selection { impl Selection {
pub fn describe ( pub fn describe (
&self, &self,
@ -1118,26 +1069,8 @@ impl InteriorMutable<usize> for AtomicUsize { fn set (&self, value: usize) -> us
impl PartialEq for MenuItem { fn eq (&self, other: &Self) -> bool { self.0 == other.0 } } impl PartialEq for MenuItem { fn eq (&self, other: &Self) -> bool { self.0 == other.0 } }
impl AsRef<Arc<[MenuItem]>> for MenuItems { fn as_ref (&self) -> &Arc<[MenuItem]> { &self.0 } } impl AsRef<Arc<[MenuItem]>> for MenuItems { fn as_ref (&self) -> &Arc<[MenuItem]> { &self.0 } }
impl HasClipsSize for App { fn clips_size (&self) -> &Measure<Tui> { &self.project.size_inner } } impl HasClipsSize for App { fn clips_size (&self) -> &Measure<Tui> { &self.project.size_inner } }
impl HasJack<'static> for MidiInput { fn jack (&self) -> &Jack<'static> { &self.jack } }
impl HasJack<'static> for MidiOutput { fn jack (&self) -> &Jack<'static> { &self.jack } }
impl HasJack<'static> for AudioInput { fn jack (&self) -> &Jack<'static> { &self.jack } }
impl HasJack<'static> for AudioOutput { fn jack (&self) -> &Jack<'static> { &self.jack } }
impl HasJack<'static> for App { fn jack (&self) -> &Jack<'static> { &self.jack } } impl HasJack<'static> for App { fn jack (&self) -> &Jack<'static> { &self.jack } }
impl HasJack<'static> for Arrangement { fn jack (&self) -> &Jack<'static> { &self.jack } } impl HasJack<'static> for Arrangement { fn jack (&self) -> &Jack<'static> { &self.jack } }
impl<J: HasJack<'static>> RegisterPorts for J {
fn midi_in (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<MidiInput> {
MidiInput::new(self.jack(), name, connect)
}
fn midi_out (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<MidiOutput> {
MidiOutput::new(self.jack(), name, connect)
}
fn audio_in (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<AudioInput> {
AudioInput::new(self.jack(), name, connect)
}
fn audio_out (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<AudioOutput> {
AudioOutput::new(self.jack(), name, connect)
}
}
#[cfg(feature = "clock")] impl_has!(Clock: |self: Track|self.sequencer.clock); #[cfg(feature = "clock")] impl_has!(Clock: |self: Track|self.sequencer.clock);
@ -3562,286 +3495,6 @@ mod pool {
mod config { mod config {
use crate::*; use crate::*;
/// Command-line configuration.
#[cfg(feature = "cli")] impl Cli {
pub fn run (&self) -> Usually<()> {
if let Action::Version = self.action {
return Ok(tek_show_version())
}
let mut config = Config::new(None);
config.init()?;
if let Action::Config = self.action {
tek_print_config(&config);
} else if let Action::List = self.action {
todo!("list sessions")
} else if let Action::Resume = self.action {
todo!("resume session")
} else if let Action::New {
name, bpm, tracks, scenes, sync_lead, sync_follow,
midi_from, midi_from_re, midi_to, midi_to_re,
left_from, right_from, left_to, right_to, ..
} = &self.action {
// Connect to JACK
let name = name.as_ref().map_or("tek", |x|x.as_str());
let jack = Jack::new(&name)?;
// TODO: Collect audio IO:
let empty = &[] as &[&str];
let left_froms = Connect::collect(&left_from, empty, empty);
let left_tos = Connect::collect(&left_to, empty, empty);
let right_froms = Connect::collect(&right_from, empty, empty);
let right_tos = Connect::collect(&right_to, empty, empty);
let _audio_froms = &[left_froms.as_slice(), right_froms.as_slice()];
let _audio_tos = &[left_tos.as_slice(), right_tos.as_slice()];
// Create initial project:
let clock = Clock::new(&jack, *bpm)?;
let mut project = Arrangement::new(
&jack,
None,
clock,
vec![],
vec![],
Connect::collect(&midi_from, &[] as &[&str], &midi_from_re).iter().enumerate()
.map(|(index, connect)|jack.midi_in(&format!("M/{index}"), &[connect.clone()]))
.collect::<Result<Vec<_>, _>>()?,
Connect::collect(&midi_to, &[] as &[&str], &midi_to_re).iter().enumerate()
.map(|(index, connect)|jack.midi_out(&format!("{index}/M"), &[connect.clone()]))
.collect::<Result<Vec<_>, _>>()?
);
project.tracks_add(tracks.unwrap_or(0), None, &[], &[])?;
project.scenes_add(scenes.unwrap_or(0))?;
if matches!(self.action, Action::Status) {
// Show status and exit
tek_print_status(&project);
return Ok(())
}
// Initialize the app state
let app = tek(&jack, project, config, ":menu");
if matches!(self.action, Action::Headless) {
// TODO: Headless mode (daemon + client over IPC, then over network...)
println!("todo headless");
return Ok(())
}
// Run the [Tui] and [Jack] threads with the [App] state.
Tui::new(Box::new(std::io::stdout()))?.run(true, &jack.run(move|jack|{
// Between jack init and app's first cycle:
jack.sync_lead(*sync_lead, |mut state|{
let clock = app.clock();
clock.playhead.update_from_sample(state.position.frame() as f64);
state.position.bbt = Some(clock.bbt());
state.position
})?;
jack.sync_follow(*sync_follow)?;
// FIXME: They don't work properly.
Ok(app)
})?)?;
}
Ok(())
}
}
impl Config {
const CONFIG_DIR: &'static str = "tek";
const CONFIG_SUB: &'static str = "v0";
const CONFIG: &'static str = "tek.edn";
const DEFAULTS: &'static str = include_str!("./tek.edn");
/// Create a new app configuration from a set of XDG base directories,
pub fn new (dirs: Option<BaseDirectories>) -> Self {
let default = ||BaseDirectories::with_profile(Self::CONFIG_DIR, Self::CONFIG_SUB);
let dirs = dirs.unwrap_or_else(default);
Self { dirs, ..Default::default() }
}
/// Write initial contents of configuration.
pub fn init (&mut self) -> Usually<()> {
self.init_one(Self::CONFIG, Self::DEFAULTS, |cfgs, dsl|{
cfgs.add(&dsl)?;
Ok(())
})?;
Ok(())
}
/// Write initial contents of a configuration file.
pub fn init_one (
&mut self, path: &str, defaults: &str, mut each: impl FnMut(&mut Self, &str)->Usually<()>
) -> Usually<()> {
if self.dirs.find_config_file(path).is_none() {
//println!("Creating {path:?}");
std::fs::write(self.dirs.place_config_file(path)?, defaults)?;
}
Ok(if let Some(path) = self.dirs.find_config_file(path) {
//println!("Loading {path:?}");
let src = std::fs::read_to_string(&path)?;
src.as_str().each(move|item|each(self, item))?;
} else {
return Err(format!("{path}: not found").into())
})
}
/// Add statements to configuration from [Dsl] source.
pub fn add (&mut self, dsl: impl Language) -> Usually<&mut Self> {
dsl.each(|item|self.add_one(item))?;
Ok(self)
}
fn add_one (&self, item: impl Language) -> Usually<()> {
if let Some(expr) = item.expr()? {
let head = expr.head()?;
let tail = expr.tail()?;
let name = tail.head()?;
let body = tail.tail()?;
//println!("Config::load: {} {} {}", head.unwrap_or_default(), name.unwrap_or_default(), body.unwrap_or_default());
match head {
Some("mode") if let Some(name) = name => load_mode(&self.modes, &name, &body)?,
Some("keys") if let Some(name) = name => load_bind(&self.binds, &name, &body)?,
Some("view") if let Some(name) = name => load_view(&self.views, &name, &body)?,
_ => return Err(format!("Config::load: expected view/keys/mode, got: {item:?}").into())
}
Ok(())
} else {
return Err(format!("Config::load: expected expr, got: {item:?}").into())
}
}
pub fn get_mode (&self, mode: impl AsRef<str>) -> Option<Arc<Mode<Arc<str>>>> {
self.modes.clone().read().unwrap().get(mode.as_ref()).cloned()
}
}
impl Mode<Arc<str>> {
/// Add a definition to the mode.
///
/// Supported definitions:
///
/// - (name ...) -> name
/// - (info ...) -> description
/// - (keys ...) -> key bindings
/// - (mode ...) -> submode
/// - ... -> view
///
/// ```
/// let mut mode: tek::Mode<std::sync::Arc<str>> = Default::default();
/// mode.add("(name hello)").unwrap();
/// ```
pub fn add (&mut self, dsl: impl Language) -> Usually<()> {
Ok(if let Ok(Some(expr)) = dsl.expr() && let Ok(Some(head)) = expr.head() {
//println!("Mode::add: {head} {:?}", expr.tail());
let tail = expr.tail()?.map(|x|x.trim()).unwrap_or("");
match head {
"name" => self.add_name(tail)?,
"info" => self.add_info(tail)?,
"keys" => self.add_keys(tail)?,
"mode" => self.add_mode(tail)?,
_ => self.add_view(tail)?,
};
} else if let Ok(Some(word)) = dsl.word() {
self.add_view(word);
} else {
return Err(format!("Mode::add: unexpected: {dsl:?}").into());
})
//DslParse(dsl, ||Err(format!("Mode::add: unexpected: {dsl:?}").into()))
//.word(|word|self.add_view(word))
//.expr(|expr|expr.head(|head|{
////println!("Mode::add: {head} {:?}", expr.tail());
//let tail = expr.tail()?.map(|x|x.trim()).unwrap_or("");
//match head {
//"name" => self.add_name(tail),
//"info" => self.add_info(tail),
//"keys" => self.add_keys(tail)?,
//"mode" => self.add_mode(tail)?,
//_ => self.add_view(tail),
//};
//}))
}
fn add_name (&mut self, dsl: impl Language) -> Perhaps<()> {
Ok(dsl.src()?.map(|src|self.name.push(src.into())))
}
fn add_info (&mut self, dsl: impl Language) -> Perhaps<()> {
Ok(dsl.src()?.map(|src|self.info.push(src.into())))
}
fn add_view (&mut self, dsl: impl Language) -> Perhaps<()> {
Ok(dsl.src()?.map(|src|self.view.push(src.into())))
}
fn add_keys (&mut self, dsl: impl Language) -> Perhaps<()> {
Ok(Some(dsl.each(|expr|{ self.keys.push(expr.trim().into()); Ok(()) })?))
}
fn add_mode (&mut self, dsl: impl Language) -> Perhaps<()> {
Ok(Some(if let Some(id) = dsl.head()? {
load_mode(&self.modes, &id, &dsl.tail())?;
} else {
return Err(format!("Mode::add: self: incomplete: {dsl:?}").into());
}))
}
}
impl<E: Clone + Ord, C> Bind<E, C> {
/// Create a new event map
pub fn new () -> Self {
Default::default()
}
/// Add a binding to an owned event map.
pub fn def (mut self, event: E, binding: Binding<C>) -> Self {
self.add(event, binding);
self
}
/// Add a binding to an event map.
pub fn add (&mut self, event: E, binding: Binding<C>) -> &mut Self {
if !self.0.contains_key(&event) {
self.0.insert(event.clone(), Default::default());
}
self.0.get_mut(&event).unwrap().push(binding);
self
}
/// Return the binding(s) that correspond to an event.
pub fn query (&self, event: &E) -> Option<&[Binding<C>]> {
self.0.get(event).map(|x|x.as_slice())
}
/// Return the first binding that corresponds to an event, considering conditions.
pub fn dispatch (&self, event: &E) -> Option<&Binding<C>> {
self.query(event)
.map(|bb|bb.iter().filter(|b|b.condition.as_ref().map(|c|(c.0)()).unwrap_or(true)).next())
.flatten()
}
}
impl Bind<TuiEvent, Arc<str>> {
pub fn load (lang: &impl Language) -> Usually<Self> {
let mut map = Bind::new();
lang.each(|item|if item.expr().head() == Ok(Some("see")) {
// TODO
Ok(())
} else if let Ok(Some(_word)) = item.expr().head().word() {
if let Some(key) = TuiEvent::from_dsl(item.expr()?.head()?)? {
map.add(key, Binding {
commands: [item.expr()?.tail()?.unwrap_or_default().into()].into(),
condition: None,
description: None,
source: None
});
Ok(())
} else if Some(":char") == item.expr()?.head()? {
// TODO
return Ok(())
} else {
return Err(format!("Config::load_bind: invalid key: {:?}", item.expr()?.head()?).into())
}
} else {
return Err(format!("Config::load_bind: unexpected: {item:?}").into())
})?;
Ok(map)
}
}
} }
mod dialog { mod dialog {

File diff suppressed because it is too large Load diff

View file

@ -1,919 +0,0 @@
use crate::*;
use std::sync::atomic::Ordering;
pub trait Gettable<T> {
/// Returns current value
fn get (&self) -> T;
}
pub trait Mutable<T>: Gettable<T> {
/// Sets new value, returns old
fn set (&mut self, value: T) -> T;
}
pub trait InteriorMutable<T>: Gettable<T> {
/// Sets new value, returns old
fn set (&self, value: T) -> T;
}
pub trait NotePoint {
fn note_len (&self) -> &AtomicUsize;
/// Get the current length of the note cursor.
fn get_note_len (&self) -> usize {
self.note_len().load(Relaxed)
}
/// Set the length of the note cursor, returning the previous value.
fn set_note_len (&self, x: usize) -> usize {
self.note_len().swap(x, Relaxed)
}
fn note_pos (&self) -> &AtomicUsize;
/// Get the current pitch of the note cursor.
fn get_note_pos (&self) -> usize {
self.note_pos().load(Relaxed).min(127)
}
/// Set the current pitch fo the note cursor, returning the previous value.
fn set_note_pos (&self, x: usize) -> usize {
self.note_pos().swap(x.min(127), Relaxed)
}
}
pub trait TimePoint {
fn time_pos (&self) -> &AtomicUsize;
/// Get the current time position of the note cursor.
fn get_time_pos (&self) -> usize {
self.time_pos().load(Relaxed)
}
/// Set the current time position of the note cursor, returning the previous value.
fn set_time_pos (&self, x: usize) -> usize {
self.time_pos().swap(x, Relaxed)
}
}
pub trait MidiPoint: NotePoint + TimePoint {
/// Get the current end of the note cursor.
fn get_note_end (&self) -> usize {
self.get_time_pos() + self.get_note_len()
}
}
pub trait TimeRange {
fn time_len (&self) -> &AtomicUsize;
fn get_time_len (&self) -> usize {
self.time_len().load(Ordering::Relaxed)
}
fn time_zoom (&self) -> &AtomicUsize;
fn get_time_zoom (&self) -> usize {
self.time_zoom().load(Ordering::Relaxed)
}
fn set_time_zoom (&self, value: usize) -> usize {
self.time_zoom().swap(value, Ordering::Relaxed)
}
fn time_lock (&self) -> &AtomicBool;
fn get_time_lock (&self) -> bool {
self.time_lock().load(Ordering::Relaxed)
}
fn set_time_lock (&self, value: bool) -> bool {
self.time_lock().swap(value, Ordering::Relaxed)
}
fn time_start (&self) -> &AtomicUsize;
fn get_time_start (&self) -> usize {
self.time_start().load(Ordering::Relaxed)
}
fn set_time_start (&self, value: usize) -> usize {
self.time_start().swap(value, Ordering::Relaxed)
}
fn time_axis (&self) -> &AtomicUsize;
fn get_time_axis (&self) -> usize {
self.time_axis().load(Ordering::Relaxed)
}
fn get_time_end (&self) -> usize {
self.time_start().get() + self.time_axis().get() * self.time_zoom().get()
}
}
pub trait NoteRange {
fn note_lo (&self) -> &AtomicUsize;
fn get_note_lo (&self) -> usize {
self.note_lo().load(Ordering::Relaxed)
}
fn set_note_lo (&self, x: usize) -> usize {
self.note_lo().swap(x, Ordering::Relaxed)
}
fn note_axis (&self) -> &AtomicUsize;
fn get_note_axis (&self) -> usize {
self.note_axis().load(Ordering::Relaxed)
}
fn get_note_hi (&self) -> usize {
(self.note_lo().get() + self.note_axis().get().saturating_sub(1)).min(127)
}
}
pub trait MidiRange: TimeRange + NoteRange {}
/// A unit of time, represented as an atomic 64-bit float.
///
/// According to https://stackoverflow.com/a/873367, as per IEEE754,
/// every integer between 1 and 2^53 can be represented exactly.
/// This should mean that, even at 192kHz sampling rate, over 1 year of audio
/// can be clocked in microseconds with f64 without losing precision.
pub trait TimeUnit: InteriorMutable<f64> {}
pub trait HasClipsSize { fn clips_size (&self) -> &Measure<Tui>; }
pub trait HasMidiClip {
fn clip (&self) -> Option<Arc<RwLock<MidiClip>>>;
}
pub trait HasClock: AsRef<Clock> + AsMut<Clock> {
fn clock (&self) -> &Clock { self.as_ref() }
fn clock_mut (&mut self) -> &mut Clock { self.as_mut() }
}
pub trait HasDevices: AsRef<Vec<Device>> + AsMut<Vec<Device>> {
fn devices (&self) -> &Vec<Device> { self.as_ref() }
fn devices_mut (&mut self) -> &mut Vec<Device> { self.as_mut() }
}
pub trait HasSequencer: AsRef<Sequencer> + AsMut<Sequencer> {
fn sequencer_mut (&mut self) -> &mut Sequencer { self.as_mut() }
fn sequencer (&self) -> &Sequencer { self.as_ref() }
}
pub trait HasSceneScroll: HasScenes { fn scene_scroll (&self) -> usize; }
pub trait HasTrackScroll: HasTracks { fn track_scroll (&self) -> usize; }
pub trait HasScene: AsRefOpt<Scene> + AsMutOpt<Scene> {
fn scene_mut (&mut self) -> Option<&mut Scene> { self.as_mut_opt() }
fn scene (&self) -> Option<&Scene> { self.as_ref_opt() }
}
pub trait HasSelection: AsRef<Selection> + AsMut<Selection> {
fn selection (&self) -> &Selection { self.as_ref() }
fn selection_mut (&mut self) -> &mut Selection { self.as_mut() }
/// Get the active track
#[cfg(feature = "track")]
fn selected_track (&self) -> Option<&Track> where Self: HasTracks {
let index = self.selection().track()?;
self.tracks().get(index)
}
/// Get a mutable reference to the active track
#[cfg(feature = "track")]
fn selected_track_mut (&mut self) -> Option<&mut Track> where Self: HasTracks {
let index = self.selection().track()?;
self.tracks_mut().get_mut(index)
}
/// Get the active scene
#[cfg(feature = "scene")]
fn selected_scene (&self) -> Option<&Scene> where Self: HasScenes {
let index = self.selection().scene()?;
self.scenes().get(index)
}
/// Get a mutable reference to the active scene
#[cfg(feature = "scene")]
fn selected_scene_mut (&mut self) -> Option<&mut Scene> where Self: HasScenes {
let index = self.selection().scene()?;
self.scenes_mut().get_mut(index)
}
/// Get the active clip
#[cfg(feature = "clip")]
fn selected_clip (&self) -> Option<Arc<RwLock<MidiClip>>> where Self: HasScenes + HasTracks {
self.selected_scene()?.clips.get(self.selection().track()?)?.clone()
}
}
pub trait HasScenes: AsRef<Vec<Scene>> + AsMut<Vec<Scene>> {
fn scenes (&self) -> &Vec<Scene> { self.as_ref() }
fn scenes_mut (&mut self) -> &mut Vec<Scene> { self.as_mut() }
/// Generate the default name for a new scene
fn scene_default_name (&self) -> Arc<str> { format!("s{:3>}", self.scenes().len() + 1).into() }
fn scene_longest_name (&self) -> usize { self.scenes().iter().map(|s|s.name.len()).fold(0, usize::max) }
/// Add multiple scenes
fn scenes_add (&mut self, n: usize) -> Usually<()> where Self: HasTracks {
let scene_color_1 = ItemColor::random();
let scene_color_2 = ItemColor::random();
for i in 0..n {
let _ = self.scene_add(None, Some(
scene_color_1.mix(scene_color_2, i as f32 / n as f32).into()
))?;
}
Ok(())
}
/// Add a scene
fn scene_add (&mut self, name: Option<&str>, color: Option<ItemTheme>)
-> Usually<(usize, &mut Scene)> where Self: HasTracks
{
let scene = Scene {
name: name.map_or_else(||self.scene_default_name(), |x|x.to_string().into()),
clips: vec![None;self.tracks().len()],
color: color.unwrap_or_else(ItemTheme::random),
};
self.scenes_mut().push(scene);
let index = self.scenes().len() - 1;
Ok((index, &mut self.scenes_mut()[index]))
}
}
pub trait HasWidth {
const MIN_WIDTH: usize;
/// Increment track width.
fn width_inc (&mut self);
/// Decrement track width, down to a hardcoded minimum of [Self::MIN_WIDTH].
fn width_dec (&mut self);
}
pub trait HasMidiBuffers {
fn note_buf_mut (&mut self) -> &mut Vec<u8>;
fn midi_buf_mut (&mut self) -> &mut Vec<Vec<Vec<u8>>>;
}
/// ```
/// use tek::{*, tengri::*};
///
/// struct Test(Option<MidiEditor>);
/// impl_as_ref_opt!(MidiEditor: |self: Test|self.0.as_ref());
/// impl_as_mut_opt!(MidiEditor: |self: Test|self.0.as_mut());
///
/// let mut host = Test(Some(MidiEditor::default()));
/// let _ = host.editor();
/// let _ = host.editor_mut();
/// let _ = host.is_editing();
/// let _ = host.editor_w();
/// let _ = host.editor_h();
/// ```
pub trait HasEditor: AsRefOpt<MidiEditor> + AsMutOpt<MidiEditor> {
fn editor (&self) -> Option<&MidiEditor> { self.as_ref_opt() }
fn editor_mut (&mut self) -> Option<&mut MidiEditor> { self.as_mut_opt() }
fn is_editing (&self) -> bool { self.editor().is_some() }
fn editor_w (&self) -> usize { self.editor().map(|e|e.size.w()).unwrap_or(0) as usize }
fn editor_h (&self) -> usize { self.editor().map(|e|e.size.h()).unwrap_or(0) as usize }
}
pub trait HasClips {
fn clips <'a> (&'a self) -> std::sync::RwLockReadGuard<'a, ClipPool>;
fn clips_mut <'a> (&'a self) -> std::sync::RwLockWriteGuard<'a, ClipPool>;
fn add_clip (&self) -> (usize, Arc<RwLock<MidiClip>>) {
let clip = Arc::new(RwLock::new(MidiClip::new("Clip", true, 384, None, None)));
self.clips_mut().push(clip.clone());
(self.clips().len() - 1, clip)
}
}
/// Trait for thing that may receive MIDI.
pub trait HasMidiIns {
fn midi_ins (&self) -> &Vec<MidiInput>;
fn midi_ins_mut (&mut self) -> &mut Vec<MidiInput>;
/// Collect MIDI input from app ports (TODO preallocate large buffers)
fn midi_input_collect <'a> (&'a self, scope: &'a ProcessScope) -> CollectedMidiInput<'a> {
self.midi_ins().iter()
.map(|port|port.port().iter(scope)
.map(|RawMidi { time, bytes }|(time, LiveEvent::parse(bytes)))
.collect::<Vec<_>>())
.collect::<Vec<_>>()
}
fn midi_ins_with_sizes <'a> (&'a self) ->
impl Iterator<Item=(usize, &'a Arc<str>, &'a [Connect], usize, usize)> + Send + Sync + 'a
{
let mut y = 0;
self.midi_ins().iter().enumerate().map(move|(i, input)|{
let height = 1 + input.connections().len();
let data = (i, input.port_name(), input.connections(), y, y + height);
y += height;
data
})
}
}
/// Trait for thing that may output MIDI.
pub trait HasMidiOuts {
fn midi_outs (&self) -> &Vec<MidiOutput>;
fn midi_outs_mut (&mut self) -> &mut Vec<MidiOutput>;
fn midi_outs_with_sizes <'a> (&'a self) ->
impl Iterator<Item=(usize, &'a Arc<str>, &'a [Connect], usize, usize)> + Send + Sync + 'a
{
let mut y = 0;
self.midi_outs().iter().enumerate().map(move|(i, output)|{
let height = 1 + output.connections().len();
let data = (i, output.port_name(), output.connections(), y, y + height);
y += height;
data
})
}
fn midi_outs_emit (&mut self, scope: &ProcessScope) {
for port in self.midi_outs_mut().iter_mut() {
port.buffer_emit(scope)
}
}
}
pub trait HasTracks: AsRef<Vec<Track>> + AsMut<Vec<Track>> {
fn tracks (&self) -> &Vec<Track> { self.as_ref() }
fn tracks_mut (&mut self) -> &mut Vec<Track> { self.as_mut() }
/// Run audio callbacks for every track and every device
fn process_tracks (&mut self, client: &Client, scope: &ProcessScope) -> Control {
for track in self.tracks_mut().iter_mut() {
if Control::Quit == Audio::process(&mut track.sequencer, client, scope) {
return Control::Quit
}
for device in track.devices.iter_mut() {
if Control::Quit == DeviceAudio(device).process(client, scope) {
return Control::Quit
}
}
}
Control::Continue
}
fn track_longest_name (&self) -> usize { self.tracks().iter().map(|s|s.name.len()).fold(0, usize::max) }
/// Stop all playing clips
fn tracks_stop_all (&mut self) { for track in self.tracks_mut().iter_mut() { track.sequencer.enqueue_next(None); } }
/// Stop all playing clips
fn tracks_launch (&mut self, clips: Option<Vec<Option<Arc<RwLock<MidiClip>>>>>) {
if let Some(clips) = clips {
for (clip, track) in clips.iter().zip(self.tracks_mut()) { track.sequencer.enqueue_next(clip.as_ref()); }
} else {
for track in self.tracks_mut().iter_mut() { track.sequencer.enqueue_next(None); }
}
}
/// Spacing between tracks.
const TRACK_SPACING: usize = 0;
}
pub trait HasTrack: AsRefOpt<Track> + AsMutOpt<Track> {
fn track (&self) -> Option<&Track> { self.as_ref_opt() }
fn track_mut (&mut self) -> Option<&mut Track> { self.as_mut_opt() }
#[cfg(feature = "port")] fn view_midi_ins_status <'a> (&'a self, theme: ItemTheme) -> impl Draw<Tui> + 'a {
self.track().map(move|track|view_ports_status(theme, "MIDI ins: ", &track.sequencer.midi_ins))
}
#[cfg(feature = "port")] fn view_midi_outs_status (&self, theme: ItemTheme) -> impl Draw<Tui> + '_ {
self.track().map(move|track|view_ports_status(theme, "MIDI outs: ", &track.sequencer.midi_outs))
}
#[cfg(feature = "port")] fn view_audio_ins_status (&self, theme: ItemTheme) -> impl Draw<Tui> {
self.track().map(move|track|view_ports_status(theme, "Audio ins: ", &track.audio_ins()))
}
#[cfg(feature = "port")] fn view_audio_outs_status (&self, theme: ItemTheme) -> impl Draw<Tui> {
self.track().map(move|track|view_ports_status(theme, "Audio outs:", &track.audio_outs()))
}
}
pub trait HasPlayClip: HasClock {
fn reset (&self) -> bool;
fn reset_mut (&mut self) -> &mut bool;
fn play_clip (&self) -> &Option<(Moment, Option<Arc<RwLock<MidiClip>>>)>;
fn play_clip_mut (&mut self) -> &mut Option<(Moment, Option<Arc<RwLock<MidiClip>>>)>;
fn next_clip (&self) -> &Option<(Moment, Option<Arc<RwLock<MidiClip>>>)>;
fn next_clip_mut (&mut self) -> &mut Option<(Moment, Option<Arc<RwLock<MidiClip>>>)>;
fn pulses_since_start (&self) -> Option<f64> {
if let Some((started, Some(_))) = self.play_clip().as_ref() {
let elapsed = self.clock().playhead.pulse.get() - started.pulse.get();
return Some(elapsed)
}
None
}
fn pulses_since_start_looped (&self) -> Option<(f64, f64)> {
if let Some((started, Some(clip))) = self.play_clip().as_ref() {
let elapsed = self.clock().playhead.pulse.get() - started.pulse.get();
let length = clip.read().unwrap().length.max(1); // prevent div0 on empty clip
let times = (elapsed as usize / length) as f64;
let elapsed = (elapsed as usize % length) as f64;
return Some((times, elapsed))
}
None
}
fn enqueue_next (&mut self, clip: Option<&Arc<RwLock<MidiClip>>>) {
*self.next_clip_mut() = Some((self.clock().next_launch_instant(), clip.cloned()));
*self.reset_mut() = true;
}
fn play_status (&self) -> impl Draw<Tui> {
let (name, color): (Arc<str>, ItemTheme) = if let Some((_, Some(clip))) = self.play_clip() {
let MidiClip { ref name, color, .. } = *clip.read().unwrap();
(name.clone(), color)
} else {
("".into(), Tui::g(64).into())
};
let time: String = self.pulses_since_start_looped()
.map(|(times, time)|format!("{:>3}x {:>}", times+1.0, self.clock().timebase.format_beats_1(time)))
.unwrap_or_else(||String::from(" ")).into();
field_v(color, "Now:", format!("{} {}", time, name))
}
fn next_status (&self) -> impl Draw<Tui> {
let mut time: Arc<str> = String::from("--.-.--").into();
let mut name: Arc<str> = String::from("").into();
let mut color = ItemTheme::G[64];
let clock = self.clock();
if let Some((t, Some(clip))) = self.next_clip() {
let clip = clip.read().unwrap();
name = clip.name.clone();
color = clip.color.clone();
time = {
let target = t.pulse.get();
let current = clock.playhead.pulse.get();
if target > current {
let remaining = target - current;
format!("-{:>}", clock.timebase.format_beats_1(remaining))
} else {
String::new()
}
}.into()
} else if let Some((t, Some(clip))) = self.play_clip() {
let clip = clip.read().unwrap();
if clip.looped {
name = clip.name.clone();
color = clip.color.clone();
let target = t.pulse.get() + clip.length as f64;
let current = clock.playhead.pulse.get();
if target > current {
time = format!("-{:>}", clock.timebase.format_beats_0(target - current)).into()
}
} else {
name = "Stop".to_string().into();
}
};
field_v(color, "Next:", format!("{} {}", time, name))
}
}
pub trait MidiMonitor: HasMidiIns + HasMidiBuffers {
/// Input note flags.
fn notes_in (&self) -> &Arc<RwLock<[bool;128]>>;
/// Current monitoring status.
fn monitoring (&self) -> bool;
/// Mutable monitoring status.
fn monitoring_mut (&mut self) -> &mut bool;
/// Enable or disable monitoring.
fn toggle_monitor (&mut self) { *self.monitoring_mut() = !self.monitoring(); }
/// Perform monitoring.
fn monitor (&mut self, _scope: &ProcessScope) { /* do nothing by default */ }
}
pub trait MidiRecord: MidiMonitor + HasClock + HasPlayClip {
fn recording (&self) -> bool;
fn recording_mut (&mut self) -> &mut bool;
fn toggle_record (&mut self) {
*self.recording_mut() = !self.recording();
}
fn overdub (&self) -> bool;
fn overdub_mut (&mut self) -> &mut bool;
fn toggle_overdub (&mut self) {
*self.overdub_mut() = !self.overdub();
}
fn record_clip (
&mut self,
scope: &ProcessScope,
started: Moment,
clip: &Option<Arc<RwLock<MidiClip>>>,
) {
if let Some(clip) = clip {
let sample0 = scope.last_frame_time() as usize;
let start = started.sample.get() as usize;
let _recording = self.recording();
let timebase = self.clock().timebase().clone();
let quant = self.clock().quant.get();
let mut clip = clip.write().unwrap();
let length = clip.length;
for input in self.midi_ins_mut().iter() {
for (sample, event, _bytes) in parse_midi_input(input.port().iter(scope)) {
if let LiveEvent::Midi { message, .. } = event {
clip.record_event({
let sample = (sample0 + sample - start) as f64;
let pulse = timebase.samples_to_pulse(sample);
let quantized = (pulse / quant).round() * quant;
quantized as usize % length
}, message);
}
}
}
}
}
fn record_next (&mut self) {
// TODO switch to next clip and record into it
}
}
pub trait MidiViewer: Measured<Tui> + MidiRange + MidiPoint + Debug + Send + Sync {
fn buffer_size (&self, clip: &MidiClip) -> (usize, usize);
fn redraw (&self);
fn clip (&self) -> &Option<Arc<RwLock<MidiClip>>>;
fn clip_mut (&mut self) -> &mut Option<Arc<RwLock<MidiClip>>>;
fn set_clip (&mut self, clip: Option<&Arc<RwLock<MidiClip>>>) {
*self.clip_mut() = clip.cloned();
self.redraw();
}
/// Make sure cursor is within note range
fn autoscroll (&self) {
let note_pos = self.get_note_pos().min(127);
let note_lo = self.get_note_lo();
let note_hi = self.get_note_hi();
if note_pos < note_lo {
self.note_lo().set(note_pos);
} else if note_pos > note_hi {
self.note_lo().set((note_lo + note_pos).saturating_sub(note_hi));
}
}
/// Make sure time range is within display
fn autozoom (&self) {
if self.time_lock().get() {
let time_len = self.get_time_len();
let time_axis = self.get_time_axis();
let time_zoom = self.get_time_zoom();
loop {
let time_zoom = self.time_zoom().get();
let time_area = time_axis * time_zoom;
if time_area > time_len {
let next_time_zoom = note_duration_prev(time_zoom);
if next_time_zoom <= 1 {
break
}
let next_time_area = time_axis * next_time_zoom;
if next_time_area >= time_len {
self.time_zoom().set(next_time_zoom);
} else {
break
}
} else if time_area < time_len {
let prev_time_zoom = note_duration_next(time_zoom);
if prev_time_zoom > 384 {
break
}
let prev_time_area = time_axis * prev_time_zoom;
if prev_time_area <= time_len {
self.time_zoom().set(prev_time_zoom);
} else {
break
}
}
}
if time_zoom != self.time_zoom().get() {
self.redraw()
}
}
//while time_len.div_ceil(time_zoom) > time_axis {
//println!("\r{time_len} {time_zoom} {time_axis}");
//time_zoom = Note::next(time_zoom);
//}
//self.time_zoom().set(time_zoom);
}
}
pub trait ClipsView: TracksView + ScenesView {
fn view_scenes_clips <'a> (&'a self)
-> impl Draw<Tui> + 'a
{
self.clips_size().of(wh_full(above(
wh_full(origin_se(Tui::fg(Green, format!("{}x{}", self.clips_size().w(), self.clips_size().h())))),
Thunk::new(|to: &mut Tui|for (
track_index, track, _, _
) in self.tracks_with_sizes() {
to.place(&w_exact(track.width as u16,
h_full(self.view_track_clips(track_index, track))))
}))))
}
fn view_track_clips <'a> (&'a self, track_index: usize, track: &'a Track) -> impl Draw<Tui> + 'a {
Thunk::new(move|to: &mut Tui|for (
scene_index, scene, ..
) in self.scenes_with_sizes() {
let (name, theme): (Arc<str>, ItemTheme) = if let Some(Some(clip)) = &scene.clips.get(track_index) {
let clip = clip.read().unwrap();
(format!("{}", &clip.name).into(), clip.color)
} else {
(" ⏹ -- ".into(), ItemTheme::G[32])
};
let fg = theme.lightest.rgb;
let mut outline = theme.base.rgb;
let bg = if self.selection().track() == Some(track_index)
&& self.selection().scene() == Some(scene_index)
{
outline = theme.lighter.rgb;
theme.light.rgb
} else if self.selection().track() == Some(track_index)
|| self.selection().scene() == Some(scene_index)
{
outline = theme.darkest.rgb;
theme.base.rgb
} else {
theme.dark.rgb
};
let w = if self.selection().track() == Some(track_index)
&& let Some(editor) = self.editor ()
{
(editor.measure_width() as usize).max(24).max(track.width)
} else {
track.width
} as u16;
let y = if self.selection().scene() == Some(scene_index)
&& let Some(editor) = self.editor ()
{
(editor.measure_height() as usize).max(12)
} else {
Self::H_SCENE as usize
} as u16;
to.place(&wh_exact(w, y, below(
wh_full(Outer(true, Style::default().fg(outline))),
wh_full(below(
below(
Tui::fg_bg(outline, bg, wh_full("")),
wh_full(origin_nw(Tui::fg_bg(fg, bg, Tui::bold(true, name)))),
),
wh_full(when(self.selection().track() == Some(track_index)
&& self.selection().scene() == Some(scene_index)
&& self.is_editing(), self.editor())))))));
})
}
}
pub trait TracksView: ScenesView + HasMidiIns + HasMidiOuts + HasTrackScroll + Measured<Tui> {
fn tracks_width_available (&self) -> u16 {
(self.measure_width() as u16).saturating_sub(40)
}
/// Iterate over tracks with their corresponding sizes.
fn tracks_with_sizes (&self) -> impl TracksSizes<'_> {
let _editor_width = self.editor().map(|e|e.measure_width());
let _active_track = self.selection().track();
let mut x = 0;
self.tracks().iter().enumerate().map_while(move |(index, track)|{
let width = track.width.max(8);
if x + width < self.clips_size().w() as usize {
let data = (index, track, x, x + width);
x += width + Self::TRACK_SPACING;
Some(data)
} else {
None
}
})
}
fn view_track_names (&self, theme: ItemTheme) -> impl Draw<Tui> {
let track_count = self.tracks().len();
let scene_count = self.scenes().len();
let selected = self.selection();
let button = south(
button_3("t", "rack ", format!("{}{track_count}", selected.track()
.map(|track|format!("{track}/")).unwrap_or_default()), false),
button_3("s", "cene ", format!("{}{scene_count}", selected.scene()
.map(|scene|format!("{scene}/")).unwrap_or_default()), false));
let button_2 = south(
button_2("T", "+", false),
button_2("S", "+", false));
view_track_row_section(theme, button, button_2, Tui::bg(theme.darker.rgb,
h_exact(2, Thunk::new(|to: &mut Tui|{
for (index, track, x1, _x2) in self.tracks_with_sizes() {
to.place(&x_push(x1 as u16, w_exact(track_width(index, track),
Tui::bg(if selected.track() == Some(index) {
track.color.light.rgb
} else {
track.color.base.rgb
}, south(w_full(origin_nw(east(
format!("·t{index:02} "),
Tui::fg(Rgb(255, 255, 255), Tui::bold(true, &track.name))
))), ""))) ));}}))))
}
fn view_track_outputs <'a> (&'a self, theme: ItemTheme, _h: u16) -> impl Draw<Tui> {
view_track_row_section(theme,
south(w_full(origin_w(button_2("o", "utput", false))),
Thunk::new(|to: &mut Tui|for port in self.midi_outs().iter() {
to.place(&w_full(origin_w(port.port_name())));
})),
button_2("O", "+", false),
Tui::bg(theme.darker.rgb, origin_w(Thunk::new(|to: &mut Tui|{
for (index, track, _x1, _x2) in self.tracks_with_sizes() {
to.place(&w_exact(track_width(index, track),
origin_nw(h_full(iter_south(1, ||track.sequencer.midi_outs.iter(),
|port, index|Tui::fg(Rgb(255, 255, 255),
h_exact(1, Tui::bg(track.color.dark.rgb, w_full(origin_w(
format!("·o{index:02} {}", port.port_name())))))))))));}}))))
}
fn view_track_inputs <'a> (&'a self, theme: ItemTheme) -> impl Draw<Tui> {
let mut h = 0u16;
for track in self.tracks().iter() {
h = h.max(track.sequencer.midi_ins.len() as u16);
}
let content = Thunk::new(move|to: &mut Tui|for (index, track, _x1, _x2) in self.tracks_with_sizes() {
to.place(&wh_exact(track_width(index, track), h + 1,
origin_nw(south(
Tui::bg(track.color.base.rgb,
w_full(origin_w(east!(
either(track.sequencer.monitoring, Tui::fg(Green, "●mon "), "·mon "),
either(track.sequencer.recording, Tui::fg(Red, "●rec "), "·rec "),
either(track.sequencer.overdub, Tui::fg(Yellow, "●dub "), "·dub "),
)))),
iter_south(1, ||track.sequencer.midi_ins.iter(),
|port, index|Tui::fg_bg(Rgb(255, 255, 255), track.color.dark.rgb,
w_full(origin_w(format!("·i{index:02} {}", port.port_name())))))))));
});
view_track_row_section(theme, button_2("i", "nput", false), button_2("I", "+", false),
Tui::bg(theme.darker.rgb, origin_w(content)))
}
}
pub trait ScenesView: HasEditor + HasSelection + HasSceneScroll + HasClipsSize + Send + Sync {
/// Default scene height.
const H_SCENE: usize = 2;
/// Default editor height.
const H_EDITOR: usize = 15;
fn h_scenes (&self) -> u16;
fn w_side (&self) -> u16;
fn w_mid (&self) -> u16;
fn scenes_with_sizes (&self) -> impl ScenesSizes<'_> {
let mut y = 0;
self.scenes().iter().enumerate().skip(self.scene_scroll()).map_while(move|(s, scene)|{
let height = if self.selection().scene() == Some(s) && self.editor().is_some() {
8
} else {
Self::H_SCENE
};
if y + height <= self.clips_size().h() as usize {
let data = (s, scene, y, y + height);
y += height;
Some(data)
} else {
None
}
})
}
fn view_scenes_names (&self) -> impl Draw<Tui> {
w_exact(20, Thunk::new(|to: &mut Tui|for (index, scene, ..) in self.scenes_with_sizes() {
to.place(&self.view_scene_name(index, scene));
}))
}
fn view_scene_name <'a> (&'a self, index: usize, scene: &'a Scene) -> impl Draw<Tui> + 'a {
let h = if self.selection().scene() == Some(index) && let Some(_editor) = self.editor() {
7
} else {
Self::H_SCENE as u16
};
let bg = if self.selection().scene() == Some(index) {
scene.color.light.rgb
} else {
scene.color.base.rgb
};
let a = w_full(origin_w(east(format!("·s{index:02} "),
Tui::fg(Tui::g(255), Tui::bold(true, &scene.name)))));
let b = when(self.selection().scene() == Some(index) && self.is_editing(),
wh_full(origin_nw(south(
self.editor().as_ref().map(|e|e.clip_status()),
self.editor().as_ref().map(|e|e.edit_status())))));
wh_exact(20, h, Tui::bg(bg, origin_nw(south(a, b))))
}
}
/// May create new MIDI input ports.
pub trait AddMidiIn {
fn midi_in_add (&mut self) -> Usually<()>;
}
/// May create new MIDI output ports.
pub trait AddMidiOut {
fn midi_out_add (&mut self) -> Usually<()>;
}
pub trait RegisterPorts: HasJack<'static> {
/// Register a MIDI input port.
fn midi_in (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<MidiInput>;
/// Register a MIDI output port.
fn midi_out (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<MidiOutput>;
/// Register an audio input port.
fn audio_in (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<AudioInput>;
/// Register an audio output port.
fn audio_out (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<AudioOutput>;
}
pub trait JackPort: HasJack<'static> {
type Port: PortSpec + Default;
type Pair: PortSpec + Default;
fn new (jack: &Jack<'static>, name: &impl AsRef<str>, connect: &[Connect])
-> Usually<Self> where Self: Sized;
fn register (jack: &Jack<'static>, name: &impl AsRef<str>) -> Usually<Port<Self::Port>> {
jack.with_client(|c|c.register_port::<Self::Port>(name.as_ref(), Default::default()))
.map_err(|e|e.into())
}
fn port_name (&self) -> &Arc<str>;
fn connections (&self) -> &[Connect];
fn port (&self) -> &Port<Self::Port>;
fn port_mut (&mut self) -> &mut Port<Self::Port>;
fn into_port (self) -> Port<Self::Port> where Self: Sized;
fn close (self) -> Usually<()> where Self: Sized {
let jack = self.jack().clone();
Ok(jack.with_client(|c|c.unregister_port(self.into_port()))?)
}
fn ports (&self, re_name: Option<&str>, re_type: Option<&str>, flags: PortFlags) -> Vec<String> {
self.with_client(|c|c.ports(re_name, re_type, flags))
}
fn port_by_id (&self, id: u32) -> Option<Port<Unowned>> {
self.with_client(|c|c.port_by_id(id))
}
fn port_by_name (&self, name: impl AsRef<str>) -> Option<Port<Unowned>> {
self.with_client(|c|c.port_by_name(name.as_ref()))
}
fn connect_to_matching <'k> (&'k self) -> Usually<()> {
for connect in self.connections().iter() {
match &connect.name {
Some(Exact(name)) => {
*connect.status.write().unwrap() = self.connect_exact(name)?;
},
Some(RegExp(re)) => {
*connect.status.write().unwrap() = self.connect_regexp(re, connect.scope)?;
},
_ => {},
};
}
Ok(())
}
fn connect_exact <'k> (&'k self, name: &str) ->
Usually<Vec<(Port<Unowned>, Arc<str>, ConnectStatus)>>
{
self.with_client(move|c|{
let mut status = vec![];
for port in c.ports(None, None, PortFlags::empty()).iter() {
if port.as_str() == &*name {
if let Some(port) = c.port_by_name(port.as_str()) {
let port_status = self.connect_to_unowned(&port)?;
let name = port.name()?.into();
status.push((port, name, port_status));
if port_status == Connected {
break
}
}
}
}
Ok(status)
})
}
fn connect_regexp <'k> (
&'k self, re: &str, scope: Option<ConnectScope>
) -> Usually<Vec<(Port<Unowned>, Arc<str>, ConnectStatus)>> {
self.with_client(move|c|{
let mut status = vec![];
let ports = c.ports(Some(&re), None, PortFlags::empty());
for port in ports.iter() {
if let Some(port) = c.port_by_name(port.as_str()) {
let port_status = self.connect_to_unowned(&port)?;
let name = port.name()?.into();
status.push((port, name, port_status));
if port_status == Connected && scope == Some(One) {
break
}
}
}
Ok(status)
})
}
/** Connect to a matching port by name. */
fn connect_to_name (&self, name: impl AsRef<str>) -> Usually<ConnectStatus> {
self.with_client(|c|if let Some(ref port) = c.port_by_name(name.as_ref()) {
self.connect_to_unowned(port)
} else {
Ok(Missing)
})
}
/** Connect to a matching port by reference. */
fn connect_to_unowned (&self, port: &Port<Unowned>) -> Usually<ConnectStatus> {
self.with_client(|c|Ok(if let Ok(_) = c.connect_ports(self.port(), port) {
Connected
} else if let Ok(_) = c.connect_ports(port, self.port()) {
Connected
} else {
Mismatch
}))
}
/** Connect to an owned matching port by reference. */
fn connect_to_owned (&self, port: &Port<Self::Pair>) -> Usually<ConnectStatus> {
self.with_client(|c|Ok(if let Ok(_) = c.connect_ports(self.port(), port) {
Connected
} else if let Ok(_) = c.connect_ports(port, self.port()) {
Connected
} else {
Mismatch
}))
}
}

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@ -1,25 +0,0 @@
use crate::*;
pub type MidiData =
Vec<Vec<MidiMessage>>;
pub type ClipPool =
Vec<Arc<RwLock<MidiClip>>>;
pub type CollectedMidiInput<'a> =
Vec<Vec<(u32, Result<LiveEvent<'a>, MidiError>)>>;
pub type SceneWith<'a, T> =
(usize, &'a Scene, usize, usize, T);
pub type MidiSample =
(Option<u7>, Arc<RwLock<crate::Sample>>);
/// Collection of interaction modes.
pub type Modes = Arc<RwLock<BTreeMap<Arc<str>, Arc<Mode<Arc<str>>>>>>;
/// Collection of input bindings.
pub type Binds = Arc<RwLock<BTreeMap<Arc<str>, Bind<TuiEvent, Arc<str>>>>>;
/// Collection of view definitions.
pub type Views = Arc<RwLock<BTreeMap<Arc<str>, Arc<str>>>>;

168
app/tick.rs Normal file
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@ -0,0 +1,168 @@
pub trait HasClock: AsRef<Clock> + AsMut<Clock> {
fn clock (&self) -> &Clock { self.as_ref() }
fn clock_mut (&mut self) -> &mut Clock { self.as_mut() }
}
/// Temporal resolutions: sample rate, tempo, MIDI pulses per quaver (beat)
///
/// ```
/// let _ = tek::Timebase::default();
/// ```
#[derive(Debug, Clone)] pub struct Timebase {
/// Audio samples per second
pub sr: SampleRate,
/// MIDI beats per minute
pub bpm: Bpm,
/// MIDI ticks per beat
pub ppq: Ppq,
}
/// Iterator that emits subsequent ticks within a range.
///
/// ```
/// let iter = tek::Ticker::default();
/// ```
#[derive(Debug, Default)] pub struct Ticker {
pub spp: f64,
pub sample: usize,
pub start: usize,
pub end: usize,
}
/// A point in time in all time scales (microsecond, sample, MIDI pulse)
///
/// ```
/// let _ = tek::Moment::default();
/// ```
#[derive(Debug, Default, Clone)] pub struct Moment {
pub timebase: Arc<Timebase>,
/// Current time in microseconds
pub usec: Microsecond,
/// Current time in audio samples
pub sample: SampleCount,
/// Current time in MIDI pulses
pub pulse: Pulse,
}
///
/// ```
/// let _ = tek::Moment2::default();
/// ```
#[derive(Debug, Clone, Default)] pub enum Moment2 {
#[default] None,
Zero,
Usec(Microsecond),
Sample(SampleCount),
Pulse(Pulse),
}
/// MIDI resolution in PPQ (pulses per quarter note)
///
/// ```
///
/// ```
#[derive(Debug, Default)] pub struct Ppq (pub(crate) AtomicF64);
/// Timestamp in MIDI pulses
///
/// ```
///
/// ```
#[derive(Debug, Default)] pub struct Pulse (pub(crate) AtomicF64);
/// Tempo in beats per minute
///
/// ```
///
/// ```
#[derive(Debug, Default)] pub struct Bpm (pub(crate) AtomicF64);
/// Quantization setting for launching clips
///
/// ```
///
/// ```
#[derive(Debug, Default)] pub struct LaunchSync (pub(crate) AtomicF64);
/// Quantization setting for notes
///
/// ```
///
/// ```
#[derive(Debug, Default)] pub struct Quantize (pub(crate) AtomicF64);
/// Timestamp in audio samples
///
/// ```
///
/// ```
#[derive(Debug, Default)] pub struct SampleCount (pub(crate) AtomicF64);
/// Audio sample rate in Hz (samples per second)
///
/// ```
///
/// ```
#[derive(Debug, Default)] pub struct SampleRate (pub(crate) AtomicF64);
/// Timestamp in microseconds
///
/// ```
///
/// ```
#[derive(Debug, Default)] pub struct Microsecond (pub(crate) AtomicF64);
/// The source of time.
///
/// ```
/// let clock = tek::Clock::default();
/// ```
#[derive(Clone, Default)] pub struct Clock {
/// JACK transport handle.
pub transport: Arc<Option<Transport>>,
/// Global temporal resolution (shared by [Moment] fields)
pub timebase: Arc<Timebase>,
/// Current global sample and usec (monotonic from JACK clock)
pub global: Arc<Moment>,
/// Global sample and usec at which playback started
pub started: Arc<RwLock<Option<Moment>>>,
/// Playback offset (when playing not from start)
pub offset: Arc<Moment>,
/// Current playhead position
pub playhead: Arc<Moment>,
/// Note quantization factor
pub quant: Arc<Quantize>,
/// Launch quantization factor
pub sync: Arc<LaunchSync>,
/// Size of buffer in samples
pub chunk: Arc<AtomicUsize>,
// Cache of formatted strings
pub view_cache: Arc<RwLock<ClockView>>,
/// For syncing the clock to an external source
#[cfg(feature = "port")] pub midi_in: Arc<RwLock<Option<MidiInput>>>,
/// For syncing other devices to this clock
#[cfg(feature = "port")] pub midi_out: Arc<RwLock<Option<MidiOutput>>>,
/// For emitting a metronome
#[cfg(feature = "port")] pub click_out: Arc<RwLock<Option<AudioOutput>>>,
}
/// A unit of time, represented as an atomic 64-bit float.
///
/// According to https://stackoverflow.com/a/873367, as per IEEE754,
/// every integer between 1 and 2^53 can be represented exactly.
/// This should mean that, even at 192kHz sampling rate, over 1 year of audio
/// can be clocked in microseconds with f64 without losing precision.
pub trait TimeUnit: InteriorMutable<f64> {}
/// Contains memoized renders of clock values.
///
/// Performance optimization.
#[derive(Debug)] pub struct ClockView {
pub sr: Memo<Option<(bool, f64)>, String>,
pub buf: Memo<Option<f64>, String>,
pub lat: Memo<Option<f64>, String>,
pub bpm: Memo<Option<f64>, String>,
pub beat: Memo<Option<f64>, String>,
pub time: Memo<Option<f64>, String>,
}