diff --git a/Cargo.toml b/Cargo.toml
index 970c60e..b6add1d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,4 +15,4 @@ nom = "7.1.3"
thiserror = "1.0.63"
[lints.clippy]
-unwrap_used = "deny"
+#unwrap_used = "deny"
diff --git a/src/bin/main.rs b/src/bin/main.rs
index f17b5ac..de8176d 100644
--- a/src/bin/main.rs
+++ b/src/bin/main.rs
@@ -4,7 +4,12 @@ use std::{
};
use anyhow::{anyhow, Result};
-use midi_keys::{log::load_raw_log, midi::daemon::Category, parser::parse_message};
+use midi_keys::{
+ log::load_raw_log,
+ midi::daemon::Category,
+ parser::parse_message,
+ ui::{display_state_daemon, DisplayQueues, DisplayState},
+};
//use enigo::{Direction, Enigo, Key, Keyboard, Settings};
use midir::{MidiInput, MidiInputPort};
@@ -16,15 +21,21 @@ fn main() {
let (dbg_send, dbg_recv) = crossbeam::channel::unbounded();
let (ws_send, ws_recv) = crossbeam::channel::unbounded();
let (drum_send, drum_recv) = crossbeam::channel::unbounded();
- let all = Category::All;
- std::thread::spawn(move || {
- midi_keys::midi::daemon::run_daemon(vec![
- (all, dbg_send),
- (Category::WindSynth, ws_send),
- (Category::Drums, drum_send),
- ]);
- });
+ let (msgs_send, msgs_recv) = crossbeam::channel::unbounded();
+
+ let (_handle, ports_recv) = midi_keys::midi::daemon::run_daemon(vec![
+ (Category::All, dbg_send),
+ (Category::All, msgs_send),
+ (Category::WindSynth, ws_send),
+ (Category::Drums, drum_send),
+ ]);
+
+ let queues = DisplayQueues::new(msgs_recv, ports_recv);
+ let state = DisplayState::new();
+
+ let _handle = display_state_daemon(queues, state.clone());
+ println!("started daemon");
std::thread::spawn(move || loop {
match dbg_recv.recv() {
@@ -45,7 +56,7 @@ fn main() {
}
});
- midi_keys::ui::run();
+ midi_keys::ui::run(state);
}
pub fn run() -> Result<()> {
diff --git a/src/midi/daemon.rs b/src/midi/daemon.rs
index f232c1f..1389d03 100644
--- a/src/midi/daemon.rs
+++ b/src/midi/daemon.rs
@@ -1,4 +1,4 @@
-use std::{collections::HashMap, time::Duration};
+use std::{collections::HashMap, thread::JoinHandle, time::Duration};
use crossbeam::{
channel::{Receiver, Sender},
@@ -35,56 +35,60 @@ pub enum Category {
/// ideal would be to do the port refresh on a separate thread. but! it's relatively cheap (250
/// microseconds per refresh) so it's not a big deal
-type ConnectionId = String;
-type Timestamp = u64;
-type CTM = (ConnectionId, Timestamp, Message);
+pub type ConnectionId = String;
+pub type Timestamp = u64;
+pub type CTM = (ConnectionId, Timestamp, Message);
-type MidiSend = crossbeam::channel::Sender<CTM>;
-type MidiRecv = crossbeam::channel::Receiver<CTM>;
-
-pub fn run_daemon(routes: Vec<(Category, MidiSend)>) {
+pub fn run_daemon(
+ routes: Vec<(Category, Sender<CTM>)>,
+) -> (JoinHandle<usize>, Receiver<Vec<MidiInputPort>>) {
let mut state = State::new();
+ let ports_receiver = state.ports_queue();
- let mut conn_mapping: HashMap<ConnectionId, Category> = HashMap::new();
+ let handle = std::thread::spawn(move || {
+ let mut conn_mapping: HashMap<ConnectionId, Category> = HashMap::new();
- let messages_q = state.message_queue();
- let conn_mapping_q = state.connection_mapping_queue();
- let ticker = crossbeam::channel::tick(Duration::from_millis(250));
+ let messages_q = state.message_queue();
+ let conn_mapping_q = state.connection_mapping_queue();
+ let ticker = crossbeam::channel::tick(Duration::from_millis(250));
- loop {
- select! {
- recv(ticker) -> m => match m {
- Ok(_ts) => {
- state.refresh_ports();
- }
- Err(e) => {
- println!("borken {e:?}");
- }
- },
- recv(conn_mapping_q) -> m => match m {
- Ok((conn_id, category)) => {
- conn_mapping.insert(conn_id, category);
+ loop {
+ select! {
+ recv(ticker) -> m => match m {
+ Ok(_ts) => {
+ state.refresh_ports();
+ }
+ Err(e) => {
+ println!("borken {e:?}");
+ }
},
- Err(e) => {
- println!("borken3 {e:?}");
- }
- },
- recv(messages_q) -> m => match m {
- Ok(ctm) => {
- let (cid, _ts, _msg) = &ctm;
- let msg_cat = conn_mapping.get(cid).unwrap_or(&Category::Ignore);
- for (route_cat, q) in routes.iter() {
- if route_cat == msg_cat || *route_cat == Category::All {
- let _ = q.send(ctm.clone());
+ recv(conn_mapping_q) -> m => match m {
+ Ok((conn_id, category)) => {
+ conn_mapping.insert(conn_id, category);
+ },
+ Err(e) => {
+ println!("borken3 {e:?}");
+ }
+ },
+ recv(messages_q) -> m => match m {
+ Ok(ctm) => {
+ let (cid, _ts, _msg) = &ctm;
+ let msg_cat = conn_mapping.get(cid).unwrap_or(&Category::Ignore);
+ for (route_cat, q) in routes.iter() {
+ if route_cat == msg_cat || *route_cat == Category::All {
+ let _ = q.send(ctm.clone());
+ }
}
}
- }
- Err(e) => {
- println!("borken2 {e:?}");
- }
- },
+ Err(e) => {
+ println!("borken2 {e:?}");
+ }
+ },
+ }
}
- }
+ });
+
+ (handle, ports_receiver)
}
pub struct State {
@@ -97,12 +101,16 @@ pub struct State {
conn_map_receive: Receiver<(ConnectionId, Category)>,
conn_map_send: Sender<(ConnectionId, Category)>,
+
+ ports_receive: Receiver<Vec<MidiInputPort>>,
+ ports_send: Sender<Vec<MidiInputPort>>,
}
impl State {
pub fn new() -> State {
let (msg_tx, msg_rx) = crossbeam::channel::unbounded();
let (conn_tx, conn_rx) = crossbeam::channel::unbounded();
+ let (ports_tx, ports_rx) = crossbeam::channel::unbounded();
State {
midi: MidiInput::new("midi-keys daemon").expect("could not connect to system MIDI"),
@@ -112,6 +120,8 @@ impl State {
message_send: msg_tx,
conn_map_receive: conn_rx,
conn_map_send: conn_tx,
+ ports_receive: ports_rx,
+ ports_send: ports_tx,
}
}
@@ -123,11 +133,17 @@ impl State {
self.conn_map_receive.clone()
}
+ pub fn ports_queue(&self) -> Receiver<Vec<MidiInputPort>> {
+ self.ports_receive.clone()
+ }
+
pub fn refresh_ports(&mut self) {
let ports = self.midi.ports();
for port in ports.iter() {
self.refresh_port(port);
}
+ // TODO: don't ignore
+ let _ = self.ports_send.send(ports.clone());
self.ports = ports;
}
diff --git a/src/ui.rs b/src/ui.rs
index 870bd5c..f97b437 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -1,102 +1,120 @@
-use std::{sync::Arc, thread::JoinHandle};
+use std::{
+ collections::VecDeque,
+ sync::{
+ atomic::{AtomicBool, Ordering},
+ Arc,
+ },
+ thread::JoinHandle,
+};
-use egui::{mutex::Mutex, Color32, Frame, Rounding, SelectableLabel};
+use crossbeam::{channel::Receiver, select};
+use egui::{mutex::Mutex, Color32, Frame, Rounding, ScrollArea, SelectableLabel};
use midir::{MidiInput, MidiInputPort};
-use crate::midi::Message;
+use crate::midi::{daemon::CTM, Message, VoiceCategory, VoiceMessage};
+
+/// State used to display the UI. It's intended to be shared between the
+/// renderer and the daemon which updates the state.
+#[derive(Clone)]
+pub struct DisplayState {
+ pub midi_input_ports: Arc<Mutex<Vec<MidiInputPort>>>,
+ pub midi_messages: Arc<Mutex<VecDeque<CTM>>>,
+ pub max_messages: usize,
+ pub only_note_on_off: Arc<AtomicBool>,
+}
+
+impl DisplayState {
+ pub fn new() -> DisplayState {
+ DisplayState {
+ midi_input_ports: Arc::new(Mutex::new(vec![])),
+ midi_messages: Arc::new(Mutex::new(VecDeque::new())),
+ max_messages: 10_000_usize,
+ only_note_on_off: Arc::new(AtomicBool::new(false)),
+ }
+ }
+
+ pub fn set_ports(&self, updated_ports: Vec<MidiInputPort>) {
+ let mut ports = self.midi_input_ports.lock();
+ *ports = updated_ports;
+ }
+
+ pub fn store_message(&self, message: CTM) {
+ let mut messages = self.midi_messages.lock();
+ messages.push_back(message);
+ if messages.len() > self.max_messages {
+ messages.pop_front();
+ }
+ }
+}
+
+/// Queues we receive from to refresh and update the UI.
+#[derive(Debug, Clone)]
+pub struct DisplayQueues {
+ pub messages: Receiver<CTM>,
+ pub ports: Receiver<Vec<MidiInputPort>>,
+ // TODO: conn mapping
+}
+
+impl DisplayQueues {
+ pub fn new(messages: Receiver<CTM>, ports: Receiver<Vec<MidiInputPort>>) -> DisplayQueues {
+ DisplayQueues { messages, ports }
+ }
+}
+
+pub fn display_state_daemon(queues: DisplayQueues, state: DisplayState) -> JoinHandle<()> {
+ std::thread::spawn(move || loop {
+ select! {
+ recv(queues.messages) -> m => match m {
+ Ok(ctm) => {
+ state.store_message(ctm);
+ }
+ Err(e) => {
+ println!("borken {e:?}");
+ }
+ },
+
+ recv(queues.ports) -> ports => match ports {
+ Ok(ports) => {
+ state.set_ports(ports)
+ }
+ Err(e) => {
+ println!("borken {e:?}");
+ }
+ }
+
+
+ }
+ })
+}
/// Launches the UI and runs it until it's done executing.
-pub fn run() {
+///
+/// Accepts a VecDeque as input, which is used as shared state to provide the
+/// messages
+pub fn run(state: DisplayState) {
let native_options = eframe::NativeOptions::default();
// TODO: don't ignore result
let _ = eframe::run_native(
"Midi Keys",
native_options,
- Box::new(|cc| Ok(Box::new(MidiKeysApp::new(cc)))),
+ Box::new(|cc| Ok(Box::new(MidiKeysApp::new(cc, state.clone())))),
);
}
-const MAX_MESSAGES: usize = 1_000;
-type Timestamp = u64;
-
-struct MidiMessageBuffer {
- messages: Vec<(Timestamp, Message)>,
- start: usize,
- max: usize,
-}
-
-impl MidiMessageBuffer {
- pub fn new(max: usize) -> MidiMessageBuffer {
- Self {
- messages: vec![],
- start: 0,
- max,
- }
- }
-
- pub fn insert(&mut self, m: (Timestamp, Message)) {
- if self.messages.len() < self.max {
- self.messages.push(m);
- } else {
- self.messages[self.start] = m;
- self.start = (self.start + 1) % self.messages.len();
- }
- }
-
- pub fn iter(&self) -> BufferIter {
- BufferIter {
- elems: self.messages.as_slice(),
- start: self.start,
- index: 0,
- }
- }
-}
-
-struct BufferIter<'a> {
- elems: &'a [(Timestamp, Message)],
- start: usize,
- index: usize,
-}
-
-impl<'a> Iterator for BufferIter<'a> {
- type Item = (Timestamp, Message);
-
- fn next(&mut self) -> Option<Self::Item> {
- if self.index >= self.elems.len() {
- None
- } else {
- let elem = self.elems[(self.start + self.index) % self.elems.len()].clone();
- self.index += 1;
- Some(elem)
- }
- }
-}
-
struct MidiKeysApp {
- midi_input_ports: Arc<Mutex<Vec<MidiInputPort>>>,
- midi_messages: Arc<Mutex<MidiMessageBuffer>>,
midi_in: MidiInput,
+ state: DisplayState,
}
impl MidiKeysApp {
- fn new(_cc: &eframe::CreationContext<'_>) -> Self {
+ fn new(_cc: &eframe::CreationContext<'_>, state: DisplayState) -> Self {
// this is where to hook in for customizing eguji, like fonts and visuals.
let midi_in: MidiInput =
MidiInput::new("midi-keys").expect("could not connect to system MIDI");
- let midi_input_ports = Arc::new(Mutex::new(Vec::new()));
- let midi_messages = Arc::new(Mutex::new(MidiMessageBuffer::new(MAX_MESSAGES)));
-
- // TODO: have a way to shut down the midi daemon?
- let _ = launch_midi_daemon(midi_input_ports.clone());
-
- MidiKeysApp {
- midi_input_ports,
- midi_messages,
- midi_in,
- }
+ MidiKeysApp { midi_in, state }
}
}
@@ -104,7 +122,8 @@ impl eframe::App for MidiKeysApp {
fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
ctx.set_theme(egui::Theme::Light);
- let ports = self.midi_input_ports.lock().clone();
+ let ports = self.state.midi_input_ports.lock().clone();
+ let messages = self.state.midi_messages.lock().clone();
egui::TopBottomPanel::top("menu_bar_panel").show(ctx, |ui| {
egui::menu::bar(ui, |ui| {
@@ -134,42 +153,45 @@ impl eframe::App for MidiKeysApp {
}
});
+ let mut only_note_on_off = self.state.only_note_on_off.load(Ordering::Relaxed);
+
+ egui::TopBottomPanel::top("filter_panel").show(ctx, |ui| {
+ ui.checkbox(&mut only_note_on_off, "Only note on/off");
+ });
+
+ self.state
+ .only_note_on_off
+ .store(only_note_on_off, Ordering::Relaxed);
+
egui::CentralPanel::default().show(ctx, |ui| {
- for port in ports.iter() {
- let mut frame = Frame::default()
- .inner_margin(4.0)
- .stroke((1.0, Color32::BLACK))
- .rounding(Rounding::same(2.0))
- .begin(ui);
+ ScrollArea::vertical().show(ui, |ui| {
+ for (_conn, ts, msg) in messages.iter().rev() {
+ if only_note_on_off
+ && !matches!(
+ msg,
+ Message::Voice(VoiceMessage {
+ category: VoiceCategory::NoteOn { .. }
+ | VoiceCategory::NoteOff { .. },
+ ..
+ })
+ )
+ {
+ continue;
+ }
+ let mut frame = Frame::default()
+ .inner_margin(4.0)
+ .stroke((1.0, Color32::BLACK))
+ .rounding(Rounding::same(2.0))
+ .begin(ui);
- let port_name = self
- .midi_in
- .port_name(port)
- .unwrap_or("unknown".to_string());
- frame.content_ui.label(port_name);
+ let s = format!("{ts}: {:?}", msg);
+ frame.content_ui.label(s);
- frame.end(ui);
- }
+ frame.end(ui);
+ }
+ });
ctx.request_repaint();
});
}
}
-
-struct MidiDaemon {}
-
-pub fn launch_midi_daemon(target_field: Arc<Mutex<Vec<MidiInputPort>>>) -> JoinHandle<()> {
- let daemon_handle = std::thread::spawn(move || midi_daemon(target_field));
-
- daemon_handle
-}
-
-pub fn midi_daemon(target_field: Arc<Mutex<Vec<MidiInputPort>>>) {
- let midi_in: MidiInput = MidiInput::new("midi-keys").expect("could not connect to system MIDI");
-
- loop {
- *target_field.lock() = midi_in.ports();
-
- std::thread::sleep(std::time::Duration::from_millis(100));
- }
-}