tek/crates/app/app.rs

#![allow(unused, clippy::unit_arg)]
#![feature(adt_const_params, associated_type_defaults, if_let_guard, impl_trait_in_assoc_type,
    type_alias_impl_trait, trait_alias, type_changing_struct_update, closure_lifetime_binder)]
#[cfg(test)] mod app_test;
mod app_bind; pub use self::app_bind::*;
mod app_data; pub use self::app_data::*;
mod app_deps; pub use self::app_deps::*;
mod app_jack; pub use self::app_jack::*;
mod app_menu; pub use self::app_menu::*;
mod app_view; pub use self::app_view::*;
/// Total state
#[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<TuiOut>,
    /// 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,
}
has!(Jack<'static>:      |self: App|self.jack);
has!(Pool:               |self: App|self.pool);
has!(Dialog:             |self: App|self.dialog);
has!(Clock:              |self: App|self.project.clock);
has!(Option<MidiEditor>: |self: App|self.project.editor);
has!(Selection:          |self: App|self.project.selection);
has!(Vec<MidiInput>:     |self: App|self.project.midi_ins);
has!(Vec<MidiOutput>:    |self: App|self.project.midi_outs);
has!(Vec<Scene>:         |self: App|self.project.scenes);
has!(Vec<Track>:         |self: App|self.project.tracks);
has!(Measure<TuiOut>:    |self: App|self.size);
has_clips!(              |self: App|self.pool.clips);
maybe_has!(Track: |self: App| { MaybeHas::<Track>::get(&self.project) };
                              { MaybeHas::<Track>::get_mut(&mut self.project) });
maybe_has!(Scene: |self: App| { MaybeHas::<Scene>::get(&self.project) };
                              { MaybeHas::<Scene>::get_mut(&mut self.project) });
impl HasClipsSize   for App { fn clips_size (&self) -> &Measure<TuiOut> { &self.project.inner_size } }
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 App {
    pub fn editor_focused (&self) -> bool {
        false
    }
    pub fn toggle_dialog (&mut self, mut dialog: Dialog) -> Dialog {
        std::mem::swap(&mut self.dialog, &mut dialog);
        dialog
    }
    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, mut 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());
            }
        }
    }
    pub fn browser (&self) -> Option<&Browse> {
        if let Dialog::Browse(_, ref b) = self.dialog { Some(b) } else { None }
    }
    pub fn device_pick (&mut self, index: usize) {
        self.dialog = Dialog::Device(index);
    }
    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!(),
        }
    }
}

fn wrap_dialog (dialog: impl Content<TuiOut>) -> impl Content<TuiOut> {
    Fixed::xy(70, 23, Tui::fg_bg(Rgb(255,255,255), Rgb(16,16,16), Bsp::b(
        Repeat(" "), Outer(true, Style::default().fg(Tui::g(96))).enclose(dialog))))
}
impl ScenesView for App {
    fn w_side   (&self) -> u16 { 20 }
    fn w_mid    (&self) -> u16 { (self.width() as u16).saturating_sub(self.w_side()) }
    fn h_scenes (&self) -> u16 { (self.height() as u16).saturating_sub(20) }
}


//#[dizzle::ns]
//#[dizzle::ns::include(TuiOut)]
//trait AppApi {
    //#[dizzle::ns::word("sessions")]
    //fn view_sessions (&self) -> Box<dyn Render<TuiOut>> {
        //Min::x(30, Fixed::y(6, Stack::south(
            //move|add: &mut dyn FnMut(&dyn Render<TuiOut>)|{
                //let fg = Rgb(224, 192, 128);
                //for (index, name) in ["session1", "session2", "session3"].iter().enumerate() {
                    //let bg = if index == 0 { Rgb(48,64,32) } else { Rgb(16, 32, 24) };
                    //add(&Fixed::y(2, Fill::x(Tui::bg(bg, Align::w(Tui::fg(fg, name))))));
                //}
            //}
        //))).into()
    //}
    //#[dizzle::ns::expr("bold")]
    //fn view_bold (&self, value: bool, x: Box<dyn Render<TuiOut>>) -> Box<dyn Render<TuiOut>> {
        //Box::new(Tui::bold(value, x))
    //}
//}

///////////////////////////////////////////////////////////////////////////////////////////////////
//has_editor!(|self: App|{
    //editor = self.editor;
    //editor_w = {
        //let size      = self.size.w();
        //let editor    = self.editor.as_ref().expect("missing editor");
        //let time_len  = editor.time_len().get();
        //let time_zoom = editor.time_zoom().get().max(1);
        //(5 + (time_len / time_zoom)).min(size.saturating_sub(20)).max(16)
    //};
    //editor_h = 15;
    //is_editing = self.editor.is_some();
//});