tek/src/app.rs
2026-06-25 22:20:19 +03:00

593 lines
23 KiB
Rust

use crate::*;
pub mod audio; pub use self::audio::*;
pub mod bind; pub use self::bind::*;
pub mod cli; pub use self::cli::*;
pub mod config; pub use self::config::*;
pub mod view; pub use self::view::*;
pub mod mode; pub use self::mode::*;
/// Total application 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: Size,
/// 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>>>>
}
impl App {
/// Create a new application instance from a backend, project, config, and mode
///
/// ```
/// let jack = tek::tengri::Jack::new(&"test_tek").expect("failed to connect to jack");
/// let proj = tek::Arrangement::default();
/// let mut conf = tek::Config::default();
/// conf.add("(mode hello)");
/// let tek = tek::tek(&jack, proj, conf, "hello");
/// ```
pub fn new (
jack: &Jack<'static>, project: Arrangement, config: Config, mode: impl AsRef<str>
) -> Self {
let mode: &str = mode.as_ref();
App {
color: ItemTheme::random(),
dialog: Dialog::welcome(),
jack: jack.clone(),
mode: config.get_mode(mode).expect(&format!("failed to find mode '{mode}'")),
config,
project,
..Default::default()
}
}
pub fn new_shared (
jack: &Jack<'static>, project: Arrangement, config: Config, mode: impl AsRef<str>
) -> Arc<RwLock<Self>> {
Arc::new(RwLock::new(App::new(jack, project, config, ":menu")))
}
pub fn new_shared_run (
exit: &Exit, jack: &Jack<'static>, project: Arrangement, config: Config, mode: impl AsRef<str>
) -> Usually<(Arc<RwLock<Self>>, Task, Task)> {
let state = Self::new_shared(&jack, project, config, mode);
let keyboard = tui_input(
exit.as_ref(), &state, Duration::from_millis(100)
)?;
let terminal = tui_output(
&mut std::io::stdout(), exit.as_ref(), &state, Duration::from_millis(10)
)?;
Ok((state, keyboard, terminal))
}
pub fn confirm (&mut self) -> Perhaps<AppCommand> {
Ok(match &self.dialog {
Dialog::Menu(index, items) => {
let callback = items.0[*index].1.clone();
callback(self)?;
None
},
_ => todo!(),
})
}
pub fn inc (&mut self, axis: &ControlAxis) -> Perhaps<AppCommand> {
Ok(match (&self.dialog, axis) {
(Dialog::None, _) => todo!(),
(Dialog::Menu(_, _), ControlAxis::Y) =>
AppCommand::SetDialog { dialog: self.dialog.menu_next() }.act(self)?,
_ => todo!()
})
}
pub fn dec (&mut self, axis: &ControlAxis) -> Perhaps<AppCommand> {
Ok(match (&self.dialog, axis) {
(Dialog::None, _) => None,
(Dialog::Menu(_, _), ControlAxis::Y) =>
AppCommand::SetDialog { dialog: self.dialog.menu_prev() }.act(self)?,
_ => todo!()
})
}
/// Update memoized render of clock values.
/// ```
/// tek::App::default().update_clock();
/// ```
pub fn update_clock (&self) {
ClockView::update_clock(&self.project.clock.view_cache, self.clock(), self.size.w() > 80)
}
/// Set modal dialog.
///
/// ```
/// let previous: tek::Dialog = tek::App::default().set_dialog(tek::Dialog::welcome());
/// ```
pub fn set_dialog (&mut self, mut dialog: Dialog) -> Dialog {
std::mem::swap(&mut self.dialog, &mut dialog);
dialog
}
/// FIXME: generalize. Set picked device in device pick dialog.
///
/// ```
/// tek::App::default().device_pick(0);
/// ```
pub fn device_pick (&mut self, index: usize) {
self.dialog = Dialog::Device(index);
}
/// FIXME: generalize. Add device to current track.
pub fn add_device (&mut self, index: usize) -> Usually<()> {
match index {
0 => {
let name = self.jack.with_client(|c|c.name().to_string());
let midi = self.project.track().expect("no active track").sequencer.midi_outs[0].port_name();
let track = self.track().expect("no active track");
let port = format!("{}/Sampler", &track.name);
let connect = Connect::exact(format!("{name}:{midi}"));
let sampler = if let Ok(sampler) = Sampler::new(
&self.jack, &port, &[connect], &[&[], &[]], &[&[], &[]]
) {
self.dialog = Dialog::None;
Device::Sampler(sampler)
} else {
self.dialog = Dialog::Message("Failed to add device.".into());
return Err("failed to add device".into())
};
let track = self.track_mut().expect("no active track");
track.devices.push(sampler);
Ok(())
},
1 => {
todo!();
//Ok(())
},
_ => unreachable!(),
}
}
/// Return reference to content browser if open.
///
/// ```
/// assert_eq!(tek::App::default().browser(), None);
/// ```
pub fn browser (&self) -> Option<&Browse> {
if let Dialog::Browse(_, ref b) = self.dialog { Some(b) } else { None }
}
/// Is a MIDI editor currently focused?
///
/// ```
/// tek::App::default().editor_focused();
/// ```
pub fn editor_focused (&self) -> bool {
false
}
/// Toggle MIDI editor.
///
/// ```
/// tek::App::default().toggle_editor(None);
/// ```
pub fn toggle_editor (&mut self, value: Option<bool>) {
//FIXME: self.editing.store(value.unwrap_or_else(||!self.is_editing()), Relaxed);
let value = value.unwrap_or_else(||!self.editor().is_some());
if value {
// Create new clip in pool when entering empty cell
if let Selection::TrackClip { track, scene } = *self.selection()
&& let Some(scene) = self.project.scenes.get_mut(scene)
&& let Some(slot) = scene.clips.get_mut(track)
&& slot.is_none()
&& let Some(track) = self.project.tracks.get_mut(track)
{
let (_index, clip) = self.pool.add_new_clip();
// autocolor: new clip colors from scene and track color
let color = track.color.base.mix(scene.color.base, 0.5);
clip.write().unwrap().color = ItemColor::random_near(color, 0.2).into();
if let Some(editor) = &mut self.project.editor {
editor.set_clip(Some(&clip));
}
*slot = Some(clip.clone());
//Some(clip)
} else {
//None
}
} else if let Selection::TrackClip { track, scene } = *self.selection()
&& let Some(scene) = self.project.scenes.get_mut(scene)
&& let Some(slot) = scene.clips.get_mut(track)
&& let Some(clip) = slot.as_mut()
{
// Remove clip from arrangement when exiting empty clip editor
let mut swapped = None;
if clip.read().unwrap().count_midi_messages() == 0 {
std::mem::swap(&mut swapped, slot);
}
if let Some(clip) = swapped {
self.pool.delete_clip(&clip.read().unwrap());
}
}
}
}
/// The [Draw] implementation for [App] handles the loaded view,
/// which is defined in terms of [dizzle] DSL.
///
/// If there is an error, the error is displayed. FIXME: overlay it
/// Then, every top-level form of the DSL description is rendered.
impl Draw<Tui> for App {
fn draw (self, to: &mut Tui) -> Usually<XYWH<u16>> {
let xywh = to.area().into();
if let Some(e) = self.error.read().unwrap().as_ref() {
to.show(xywh, e.as_ref());
}
for (index, dsl) in self.mode.view.iter().enumerate() {
if let Err(e) = self.interpret(to, dsl) {
*self.error.write().unwrap() = Some(format!("view #{index}: {e}").into());
break;
}
}
Ok(xywh)
}
}
impl HasClipsSize for App {
fn clips_size (&self) -> &Size { &self.project.size_inner }
}
impl HasJack<'static> for App {
fn jack (&self) -> &Jack<'static> { &self.jack }
}
//impl_handle!(TuiIn: |self: App, input|{
//let commands = tek_collect_commands(self, input)?;
//let history = tek_execute_commands(self, commands)?;
//self.history.extend(history.into_iter());
//Ok(None)
//});
//fn tek_collect_commands (app: &App, input: &TuiIn) -> Usually<Vec<AppCommand>> {
//let mut commands = vec![];
//for id in app.mode.keys.iter() {
//if let Some(event_map) = app.config.binds.clone().read().unwrap().get(id.as_ref())
//&& let Some(bindings) = event_map.query(input.event()) {
//for binding in bindings {
//for command in binding.commands.iter() {
//if let Some(command) = app.namespace(command)? as Option<AppCommand> {
//commands.push(command)
//}
//}
//}
//}
//}
//Ok(commands)
//}
//fn tek_execute_commands (
//app: &mut App, commands: Vec<AppCommand>
//) -> Usually<Vec<(AppCommand, Option<AppCommand>)>> {
//let mut history = vec![];
//for command in commands.into_iter() {
//let result = command.act(app);
//match result { Err(err) => { history.push((command, None)); return Err(err) }
//Ok(undo) => { history.push((command, undo)); } };
//}
//Ok(history)
//}
def_command!(AppCommand: |app: App| {
Nop => Ok(None),
Cancel => todo!(), // TODO delegate:
Confirm => app.confirm(),
Inc { axis: ControlAxis } => app.inc(axis),
Dec { axis: ControlAxis } => app.dec(axis),
SetDialog { dialog: Dialog } => {
swap_value(&mut app.dialog, dialog, |dialog|Self::SetDialog { dialog })
},
});
impl_default!(AppCommand: Self::Nop);
impl_has!(Clock: |self: App|self.project.clock);
impl_has!(Vec<MidiInput>: |self: App|self.project.midi_ins);
impl_has!(Vec<MidiOutput>: |self: App|self.project.midi_outs);
impl_has!(Dialog: |self: App|self.dialog);
impl_has!(Jack<'static>: |self: App|self.jack);
impl_has!(Size: |self: App|self.size);
impl_has!(Pool: |self: App|self.pool);
impl_has!(Selection: |self: App|self.project.selection);
impl_as_ref!(Vec<Scene>: |self: App|self.project.as_ref());
impl_as_mut!(Vec<Scene>: |self: App|self.project.as_mut());
impl_as_ref_opt!(MidiEditor: |self: App|self.project.as_ref_opt());
impl_as_mut_opt!(MidiEditor: |self: App|self.project.as_mut_opt());
impl_has_clips!( |self: App|self.pool.clips);
namespace!(App: Arc<str> { literal = |dsl|Ok(dsl.src()?.map(|x|x.into())); });
namespace!(App: u8 { literal = |dsl|try_to_u8(dsl); });
namespace!(App: u16 { literal = |dsl|try_to_u16(dsl); symbol = |app| {
":w/sidebar" => app.project.w_sidebar(app.editor().is_some()),
":h/sample-detail" => 6.max(app.size.h() as u16 * 3 / 9), }; });
namespace!(App: isize { literal = |dsl|try_to_isize(dsl); });
namespace!(App: usize { literal = |dsl|try_to_usize(dsl); symbol = |app| {
":scene-count" => app.scenes().len(),
":track-count" => app.tracks().len(),
":device-kind" => app.dialog.device_kind().unwrap_or(0),
":device-kind/next" => app.dialog.device_kind_next().unwrap_or(0),
":device-kind/prev" => app.dialog.device_kind_prev().unwrap_or(0), }; });
namespace!(App: bool { symbol = |app| { // Provide boolean values.
":mode/editor" => app.project.editor.is_some(),
":focused/dialog" => !matches!(app.dialog, Dialog::None),
":focused/message" => matches!(app.dialog, Dialog::Message(..)),
":focused/add_device" => matches!(app.dialog, Dialog::Device(..)),
":focused/browser" => app.dialog.browser().is_some(),
":focused/pool/import" => matches!(app.pool.mode, Some(PoolMode::Import(..))),
":focused/pool/export" => matches!(app.pool.mode, Some(PoolMode::Export(..))),
":focused/pool/rename" => matches!(app.pool.mode, Some(PoolMode::Rename(..))),
":focused/pool/length" => matches!(app.pool.mode, Some(PoolMode::Length(..))),
":focused/clip" => !app.editor_focused() && matches!(app.selection(), Selection::TrackClip{..}),
":focused/track" => !app.editor_focused() && matches!(app.selection(), Selection::Track(..)),
":focused/scene" => !app.editor_focused() && matches!(app.selection(), Selection::Scene(..)),
":focused/mix" => !app.editor_focused() && matches!(app.selection(), Selection::Mix),
}; });
namespace!(App: ItemTheme {}); // TODO: provide colors here
//
namespace!(App: Selection { symbol = |app| {
":select/scene" => app.selection().select_scene(app.tracks().len()),
":select/scene/next" => app.selection().select_scene_next(app.scenes().len()),
":select/scene/prev" => app.selection().select_scene_prev(),
":select/track" => app.selection().select_track(app.tracks().len()),
":select/track/next" => app.selection().select_track_next(app.tracks().len()),
":select/track/prev" => app.selection().select_track_prev(),
}; });
namespace!(App: Color {
symbol = |app| {
":color/bg" => Color::Rgb(28, 32, 36),
};
expression = |app| {
"g" (n: u8) => Color::Rgb(n, n, n),
"rgb" (r: u8, g: u8, b: u8) => Color::Rgb(r, g, b),
};
});
namespace!(App: Option<u7> { symbol = |app| {
":editor/pitch" => Some((app.editor().as_ref().map(|e|e.get_note_pos()).unwrap() as u8).into())
}; });
namespace!(App: Option<usize> { symbol = |app| {
":selected/scene" => app.selection().scene(),
":selected/track" => app.selection().track(),
}; });
namespace!(App: Option<Arc<RwLock<MidiClip>>> {
symbol = |app| {
":selected/clip" => if let Selection::TrackClip { track, scene } = app.selection() {
app.scenes()[*scene].clips[*track].clone()
} else {
None
}
};
});
impl<'a> Namespace<'a, AppCommand> for App {
symbols!('a |app| -> AppCommand {
"x/inc" => AppCommand::Inc { axis: ControlAxis::X },
"x/dec" => AppCommand::Dec { axis: ControlAxis::X },
"y/inc" => AppCommand::Inc { axis: ControlAxis::Y },
"y/dec" => AppCommand::Dec { axis: ControlAxis::Y },
"confirm" => AppCommand::Confirm,
"cancel" => AppCommand::Cancel,
});
}
impl Interpret<Tui, ()> for App {
fn interpret_expr <'a> (&'a self, to: &mut Tui, lang: &'a impl Expression) -> Usually<()> {
app_interpret_expr(self, to, lang)
}
fn interpret_word <'a> (&'a self, to: &mut Tui, lang: &'a impl Expression) -> Usually<()> {
app_interpret_word(self, to, lang)
}
}
fn app_interpret_expr (state: &App, to: &mut Tui, lang: &impl Expression) -> Usually<()> {
if eval_view(state, to, lang)? || eval_view_tui(state, to, lang)? {
Ok(())
} else {
Err(format!("App::interpret_expr: unexpected: {lang:?}").into())
}
}
fn app_interpret_word (state: &App, to: &mut Tui, dsl: &impl Expression) -> Usually<()> {
let mut frags = dsl.src()?.unwrap().split("/");
match frags.next() {
Some(":logo") => view_logo().draw(to),
Some(":status") => h_exact(1, "TODO: Status Bar").draw(to),
Some(":meters") => match frags.next() {
Some("input") => bg(Rgb(30, 30, 30), h_full(origin_s("Input Meters"))).draw(to),
Some("output") => bg(Rgb(30, 30, 30), h_full(origin_s("Output Meters"))).draw(to),
_ => panic!()
},
Some(":tracks") => match frags.next() {
None => "TODO tracks".draw(to),
Some("names") => state.project.view_track_names(state.color.clone()).draw(to),//bg(Rgb(40, 40, 40), w_full(origin_w("Track Names")))),
Some("inputs") => bg(Rgb(40, 40, 40), w_full(origin_w("Track Inputs"))).draw(to),
Some("devices") => bg(Rgb(40, 40, 40), w_full(origin_w("Track Devices"))).draw(to),
Some("outputs") => bg(Rgb(40, 40, 40), w_full(origin_w("Track Outputs"))).draw(to),
_ => panic!()
},
Some(":scenes") => match frags.next() {
None => "TODO scenes".draw(to),
Some(":scenes/names") => "TODO Scene Names".draw(to),
_ => panic!()
},
Some(":editor") => "TODO Editor".draw(to),
Some(":dialog") => match frags.next() {
Some("menu") => if let Dialog::Menu(selected, items) = &state.dialog {
let items = items.clone();
let selected = selected;
Some(wh_full(thunk(move|to: &mut Tui|{
for (index, MenuItem(item, _)) in items.0.iter().enumerate() {
to.place(&y_push((2 * index) as u16,
fg_bg(
if *selected == index { Rgb(240,200,180) } else { Rgb(200, 200, 200) },
if *selected == index { Rgb(80, 80, 50) } else { Rgb(30, 30, 30) },
h_exact(2, origin_n(w_full(item)))
)));
}
Ok(to.area().into())
})))
} else {
None
}.draw(to),
_ => unimplemented!("App::interpret_word: {dsl:?} ({frags:?})"),
},
Some(":templates") => {
let modes = state.config.modes.clone();
let height = (modes.read().unwrap().len() * 2) as u16;
h_exact(height, w_min(Some(30), thunk(move |to: &mut Tui|{
for (index, (id, profile)) in modes.read().unwrap().iter().enumerate() {
let b = if index == 0 { Rgb(70,70,70) } else { Rgb(50,50,50) };
let name = profile.name.get(0).map(|x|x.as_ref()).unwrap_or("<no name>");
let info = profile.info.get(0).map(|x|x.as_ref()).unwrap_or("<no info>");
let fg1 = Rgb(224, 192, 128);
let fg2 = Rgb(224, 128, 32);
let field_name = w_full(origin_w(fg(fg1, name)));
let field_id = w_full(origin_e(fg(fg2, id)));
let field_info = w_full(origin_w(info));
y_push((2 * index) as u16,
h_exact(2, w_full(bg(b, south(
above(field_name, field_id),
field_info
))))).draw(to);
}
Ok(to.area().into())
})))
}.draw(to),
Some(":sessions") => h_exact(Some(6), w_min(Some(30), thunk(|to: &mut Tui|{
let f = Rgb(224, 192, 128);
for (index, name) in ["session1", "session2", "session3"].iter().enumerate() {
let b = if index == 0 { Rgb(50,50,50) } else { Rgb(40,40,40) };
y_push((2 * index) as u16,
&h_exact(2, w_full(bg(b, origin_w(fg(f, name)))))).draw(to);
}
Ok(to.area().into())
}))).draw(to),
Some(":browse/title") => w_full(origin_w(field_v(ItemColor::default(),
match state.dialog.browser_target().unwrap() {
BrowseTarget::SaveProject => "Save project:",
BrowseTarget::LoadProject => "Load project:",
BrowseTarget::ImportSample(_) => "Import sample:",
BrowseTarget::ExportSample(_) => "Export sample:",
BrowseTarget::ImportClip(_) => "Import clip:",
BrowseTarget::ExportClip(_) => "Export clip:",
}, w_shrink(3, h_exact(1, fg(g(96), x_repeat("🭻"))))))).draw(to),
Some(":device") => {
let selected = state.dialog.device_kind().unwrap();
south(bold(true, "Add device"), iter_south(
move||device_kinds().iter(),
move|_label: &&'static str, i|{
let b = if i == selected { Rgb(64,128,32) } else { Rgb(0,0,0) };
let l = if i == selected { "[ " } else { " " };
let r = if i == selected { " ]" } else { " " };
w_full(bg(b, east(l, west(r, "FIXME device name")))) })).draw(to)
},
Some(":debug") => h_exact(1, format!("[{:?}]", to.area())).draw(to),
Some(_) => {
let views = state.config.views.read().unwrap();
if let Some(dsl) = views.get(dsl.src()?.unwrap()) {
let dsl = dsl.clone();
std::mem::drop(views);
state.interpret(to, &dsl)?
} else {
unimplemented!("{dsl:?}");
}
},
_ => unreachable!()
};
Ok(())
}
impl HasTrackScroll for App {
fn track_scroll (&self) -> usize {
self.project.track_scroll()
}
}
impl HasSceneScroll for App {
fn scene_scroll (&self) -> usize {
self.project.scene_scroll()
}
}
impl ScenesView for App {
fn w_mid (&self) -> u16 {
(self.size.w() as u16).saturating_sub(self.w_side())
}
fn w_side (&self) -> u16 {
20
}
fn h_scenes (&self) -> u16 {
(self.size.h() as u16).saturating_sub(20)
}
}