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Nicole Tietz-Sokolskaya 2025-04-06 15:19:16 -04:00
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Cargo.toml
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@ -6,10 +6,11 @@ edition = "2021"
[dependencies]
anyhow = "1.0.86"
crossbeam = "0.8.4"
eframe = "0.29.1"
egui = "0.29.1"
eframe = "0.31.0"
egui = { version = "0.31.0", features = ["log"] }
enigo = { version = "0.2.1", features = ["serde"] }
hex = "0.4.3"
itertools = "0.14.0"
midir = "0.10.0"
nom = "7.1.3"
thiserror = "1.0.63"

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@ -0,0 +1,662 @@
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LICENSE/GAL-1.0 Normal file
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@ -0,0 +1,33 @@
# Gay Agenda License - 1.0
Copyright (c) 2025 Nicole Tietz-Sokolskaya <me@ntietz.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
- The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
- The grantee shall actively support rights for all LGBTQ+ people, respecting
their gender identities.
- The grantee shall say "be gay, do crime" at least once during use of the
software.
The license is immediately revoked if the grantee supports restricting the
rights of LGBTQ+ people.
If the grantee is found to not have said "be gay, do crime" during use of the
software, the grantee has thirty (30) days to remediate this violation without
loss of the license. If it is not remediated, then the grantee's grants via
this license are permanently retracted.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

23
README.md
View file

@ -1,2 +1,21 @@
# midi-keys
type using a synthesizer
# Midi Keys
Type using a midi instrument.
No instructions provided, probably for the best.
Please report any bugs, comments, or commercial license requests to [me@ntietz.com](mailto:me@ntietz.com).
# Licenses
This software is licensed under the following licenses:
- Under AGPL-3.0
- Under [GAL-1.0 (Gay Agenda License)](https://gal.gay)
- Under a commercial license
You may use the software under any one of these licenses, without regard for the others.

42
TASKS.md Normal file
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@ -0,0 +1,42 @@
# a task breakdown in possibly absurd detail because adhd
- [ ] drums
- [ ] turn on the drums
- [ ] open midi-keys
- [ ] hit some drums
- [ ] open a text file `drum_mapping.md`
- [ ] write in text file which midi notes are which drums
- [ ] write the encode/decode function for drums
- [ ] print to console what the letters are in base-2
- [ ] save the notes into `notes_cheat_sheet.md`
- [ ] write the drum hot loop
- [x] wind synth
- [x] add min length of note
- [x] take into account velocity
- [x] change `decode` and `encode` to both be the new alt variant
- [x] add punctuation to decode/encode
- [x] refactor the hot loop
- [x] fix the output of cheat sheet to be correct with new variant
- [x] print to console what the letters are in base-7 / notes
- [x] save the notes into `notes_cheat_sheet.md`
- [x] experiment with mode where shift and caps lock are keys I can press
- [ ] composing
- [ ] open musescore
- [ ] create a new score with 3 parts (wind synth, keyboard synth, drum set)
- [ ] enter the wind synth notes for "hello" as straight quarternotes
- [ ] experiment with rhythms on the wind synth notes
- [ ] ui
- [ ] make default size larger
- [ ] fix disconnect/reconnect bug
- [ ] recreate disconnect/reconnect bug
- [ ] add print statements into some of the queue receives
- [ ] debug the bug
- [ ] make display of typing state
- [ ] expose typing state to the UI
- [ ] show current bytes in buffer (raw)
- [ ] show current bytes as note names
- [ ] show remaining partials as: next note, list of things you can type from there (in alphanum order)
- [ ] improvements
- [ ] swap out printlns for logging

50
cheat_sheet.md Normal file
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@ -0,0 +1,50 @@
# Melodic
C C => Modifier(Shift)
C D => Special(CapsLock)
C E => Special(Backspace)
C F => Char('a')
C G => Char('b')
C A => Char('c')
C B => Char('d')
D C => Char('e')
D D => Char('f')
D E => Char('g')
D F => Char('h')
D G => Char('i')
D A => Char('j')
D B => Char('k')
E C => Char('l')
E D => Char('m')
E E => Char('n')
E F => Char('o')
E G => Char('p')
E A => Char('q')
E B => Char('r')
F C => Char('s')
F D => Char('t')
F E => Char('u')
F F => Char('v')
F G => Char('w')
F A => Char('x')
F B => Char('y')
G C => Char('z')
G D => Char('0')
G E => Char('1')
G F => Char('2')
G G => Char('3')
G A => Char('4')
G B => Char('5')
A C => Char('6')
A D => Char('7')
A E => Char('8')
A F => Char('9')
A G => Char('.')
A A => Char(',')
A B => Char('!')
B C => Char(' ')
B D => Char('\n')

61
doc/typing.md Normal file
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@ -0,0 +1,61 @@
# Typing system design
This document talks about how data flows through the system, and how it's
displayed, so that users can enter text using a MIDI device.
There are a few distinct pieces:
- **data flow**: how do we get from MIDI to the display and to the typing portion?
- **encoding**: how do we represent text so that we can enter it?
- **parsing**: how do we read a MIDI stream to convert it into our text encoding?
- **display**: how do we present the state to a user so that they can see what they're doing?
## Data flow and architecture
We already have the ability for data to flow in, and for devices to be added
and removed. What we need here is another piece that will keep track of state
for the typing daemon.
The typing daemon will be a state machine, with state transitions for entering
new bits and for emitting text (which will then move back to a clear state).
It will be subscribed to all incoming MIDI messages, and it will store a
separate state for each connection ID, so things you enter on the drums will
not alter what you're entering on the wind synth, for example.
It will emit text directly, via `enigo` (or, in debug mode, to the console).
And it will emit its current state on another queue, which can be used to
display the characters which can be typed.
## Encoding
Each MIDI device will be in a given *base*. Wind synth will be in base 11 by
default, so we can read the semitone and ignore which octave it's in. We could
expand this to use a wider range, or narrow it to belong to a particular key,
but this is the starting point. Drums will be in base 2 by default, with the
snare and kick drum providing the bits and everything else being ignored.
We will support a given range of characters, and some modifiers as well. Other
keys can be added, but this is where we'll start: just text! the characters
supported initially will be 'a'..'z', 'A'..'Z', '0'..'9', '.', and ','.
Each of these will be assigned a number, which will then be converted to base 2
for entry.
## Display
Given a list of

82
src/bin/main.rs
View file

@ -4,21 +4,20 @@ use std::{
};
use anyhow::{anyhow, Result};
use enigo::{Direction, Enigo, Key, Keyboard, Settings};
use midi_keys::{
log::load_raw_log,
midi::daemon::Category,
parser::parse_message,
typing::{
midi_to_scale_degree, standard_melodic_mapping, Keystroke, Modifier, Special
},
ui::{display_state_daemon, DisplayQueues, DisplayState},
};
//use enigo::{Direction, Enigo, Key, Keyboard, Settings};
use midir::{MidiInput, MidiInputPort};
fn main() {
//let mut enigo = Enigo::new(&Settings::default()).unwrap();
//enigo.text("echo \"hello world\"").unwrap();
//enigo.key(Key::Return, Direction::Press).unwrap();
let (dbg_send, dbg_recv) = crossbeam::channel::unbounded();
let (dbg_send, _dbg_recv) = crossbeam::channel::unbounded();
let (ws_send, ws_recv) = crossbeam::channel::unbounded();
let (drum_send, drum_recv) = crossbeam::channel::unbounded();
@ -37,16 +36,60 @@ fn main() {
let _handle = display_state_daemon(queues, state.clone());
println!("started daemon");
std::thread::spawn(move || loop {
match dbg_recv.recv() {
Ok(m) => println!("debug: {m:?}"),
Err(err) => println!("err: {err:?}"),
}
});
std::thread::spawn(move || loop {
match ws_recv.recv() {
Ok(m) => println!("windsynth: {m:?}"),
Err(err) => println!("err(ws): {err:?}"),
let melodic_mapping = standard_melodic_mapping();
melodic_mapping.print_sequences();
let typing_state = state.melodic_typing_state.clone();
std::thread::spawn(move || {
let mut enigo = Enigo::new(&Settings::default()).unwrap();
let mut shift = false;
loop {
match ws_recv.recv() {
Ok((_cid, _ts, m)) => {
let note = match m.note_on_values() {
Some((note, _velocity)) => note,
None => continue,
};
let scale_degree = match midi_to_scale_degree(60, note) {
Some(deg) => deg,
None => continue,
};
let mut state = typing_state.lock();
state.enter(scale_degree);
match state.emit() {
midi_keys::typing::Decoded::Keystroke(keystroke) => match keystroke {
Keystroke::Char(mut c) => {
if shift {
c = c.to_ascii_uppercase();
shift = false;
}
enigo.text(&format!("{c}")).unwrap();
}
Keystroke::Modifier(Modifier::Shift) => {
println!("Shifting!");
shift = !shift;
}
Keystroke::Special(Special::CapsLock) => {
enigo.key(Key::CapsLock, Direction::Click).unwrap()
}
Keystroke::Special(Special::Backspace) => {
enigo.key(Key::Backspace, Direction::Click).unwrap()
}
},
midi_keys::typing::Decoded::Partial(notes, _keys) => {
println!("Buffer: {notes:?}");
}
midi_keys::typing::Decoded::Invalid(notes) => {
println!("Invalid: {notes:?}");
}
}
}
Err(err) => println!("err(ws): {err:?}"),
}
}
});
std::thread::spawn(move || loop {
@ -59,6 +102,13 @@ fn main() {
midi_keys::ui::run(state);
}
pub fn press_modifier(keyboard: &mut Enigo, modifier: &Modifier, direction: Direction) {
match modifier {
Modifier::Shift => keyboard.key(Key::Shift, direction),
}
.unwrap();
}
pub fn run() -> Result<()> {
let midi_in = MidiInput::new("keyboard")?;

1
src/lib.rs
View file

@ -1,4 +1,5 @@
pub mod log;
pub mod midi;
pub mod parser;
pub mod typing;
pub mod ui;

26
src/midi.rs
View file

@ -10,6 +10,32 @@ impl Message {
pub fn new(raw: Vec<u8>, parsed: ParsedMessage) -> Self {
Message { raw, parsed }
}
/// Extracts the note value and velocity for any NoteOn messages.
/// This is a convenience function to let us avoid a match in all the places
/// we need to extract this.
pub fn note_on_values(&self) -> Option<(u8, u8)> {
match &self.parsed {
ParsedMessage::Voice(VoiceMessage {
category: VoiceCategory::NoteOn { note, velocity },
..
}) => Some((*note, *velocity)),
_ => None,
}
}
/// Extracts the note value and velocity for any NoteOff messages.
/// This is a convenience function to let us avoid a match in all the places
/// we need to extract this.
pub fn note_off_values(&self) -> Option<(u8, u8)> {
match &self.parsed {
ParsedMessage::Voice(VoiceMessage {
category: VoiceCategory::NoteOff { note, velocity },
..
}) => Some((*note, *velocity)),
_ => None,
}
}
}
#[derive(PartialEq, Eq, Debug, Clone)]

4
src/parser.rs
View file

@ -149,11 +149,11 @@ mod tests {
let note = 0x24;
let velocity = 0x51;
let expected = Message::Voice(VoiceMessage::new(
let expected = ParsedMessage::Voice(VoiceMessage::new(
VoiceCategory::NoteOn { note, velocity },
0,
));
assert_eq!(parsed, expected,);
assert_eq!(parsed.parsed, expected,);
assert_eq!(remainder.len(), 0);
}

257
src/typing.rs Normal file
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@ -0,0 +1,257 @@
use itertools::Itertools;
use std::collections::HashMap;
#[derive(Debug, Clone)]
pub enum Decoded {
Keystroke(Keystroke),
Partial(Vec<u8>, Vec<(Vec<u8>, Keystroke)>),
Invalid(Vec<u8>),
}
#[derive(Debug, Clone)]
pub struct Mapping {
sequences: Vec<(Vec<u8>, Keystroke)>,
key_to_seq: HashMap<Keystroke, Vec<u8>>,
}
impl Mapping {
pub fn new(mut sequences: Vec<(Vec<u8>, Keystroke)>) -> Mapping {
sequences.sort();
let key_to_seq = sequences.iter().cloned().map(|(a, b)| (b, a)).collect();
Mapping {
sequences,
key_to_seq,
}
}
pub fn encode(&self, key: Keystroke) -> Option<Vec<u8>> {
self.key_to_seq.get(&key).cloned()
}
pub fn decode(&self, notes: &Vec<u8>) -> Decoded {
if let Some(key) = self.decode_exact(notes) {
return Decoded::Keystroke(key.clone());
} else if let Some(keys) = self.prefix_range(notes) {
return Decoded::Partial(notes.clone(), keys);
} else {
return Decoded::Invalid(notes.clone());
}
}
pub fn decode_exact(&self, notes: &Vec<u8>) -> Option<Keystroke> {
let index = self
.sequences
.binary_search_by(|(n, _key)| n.cmp(&notes))
.ok()?;
let (_notes, key) = self.sequences.get(index)?;
Some(key.clone())
}
pub fn prefix_range(&self, notes: &Vec<u8>) -> Option<Vec<(Vec<u8>, Keystroke)>> {
// we only want to match prefixes with exactly this length of notes
let valid_seqs: Vec<_> = self
.sequences
.iter()
.filter(|(n, _key)| n.starts_with(&notes))
.cloned()
.collect();
if valid_seqs.is_empty() {
None
} else {
Some(valid_seqs)
}
}
pub fn collated_remaining(&self, notes: &Vec<u8>) -> Option<Vec<(u8, Vec<Keystroke>)>> {
let seqs = self
.sequences
.iter()
.filter(|(n, _key)| n.starts_with(&notes))
.map(|(n, key)| (*n.get(notes.len()).unwrap(), key.clone()));
let mut grouped_seqs = Vec::new();
for (note, keys) in &seqs.chunk_by(|(n, _key)| *n) {
let all_keys: Vec<_> = keys.map(|(_n,k)| k.clone()).collect();
grouped_seqs.push((note, all_keys));
}
Some(grouped_seqs)
}
pub fn print_sequences(&self) {
for (seq, key) in self.sequences.iter() {
for deg in seq {
print!("{} ", c_scale_note_name(*deg));
}
println!("=> {key:?}");
}
}
}
pub fn c_scale_note_name(degree: u8) -> String {
match degree {
0 => "C",
1 => "D",
2 => "E",
3 => "F",
4 => "G",
5 => "A",
6 => "B",
_ => "?",
}
.to_string()
}
pub fn standard_melodic_mapping() -> Mapping {
let modspecial = [
Keystroke::Modifier(Modifier::Shift),
Keystroke::Special(Special::CapsLock),
Keystroke::Special(Special::Backspace),
];
let alpha = 'a'..='z';
let num = '0'..='9';
let punct = ".,! \n".chars();
let chars = alpha.chain(num).chain(punct).map(|c| Keystroke::Char(c));
let keys = modspecial.iter().cloned().chain(chars);
let sequences: Vec<_> = keys
.enumerate()
.map(|(k, key)| (base_values(k as u32, 7, 2), key))
.collect();
Mapping::new(sequences)
}
#[derive(Debug, Clone)]
pub struct TypingState {
mapping: Mapping,
current: Vec<u8>,
}
impl TypingState {
pub fn new(mapping: Mapping) -> TypingState {
TypingState {
mapping,
current: vec![],
}
}
/// Add the value into the typing state.
pub fn enter(&mut self, value: u8) {
self.current.push(value);
}
/// Attempts to decode the current value stored. It will reset if it's either
/// invalid or valid, but will retain the current buffer if it's partial.
pub fn emit(&mut self) -> Decoded {
let decoded = self.mapping.decode(&self.current);
if !matches!(decoded, Decoded::Partial(..)) {
self.current.clear();
}
decoded
}
pub fn current_notes(&self) -> Vec<u8> {
self.current.clone()
}
pub fn mapping(&self) -> &Mapping {
&self.mapping
}
}
/// Chunks a u8 into a sequence of values in a given base.
pub fn base_values(mut x: u32, base: u32, len: usize) -> Vec<u8> {
let mut vals = vec![];
for _ in 0..len {
let digit = x % (base as u32);
vals.push(digit as u8);
x = x / base;
}
vals.reverse();
vals
}
/// Determines the scale degree of a given MIDI note relative to the provided
/// scale root.
pub fn midi_to_scale_degree(root: u8, note: u8) -> Option<u8> {
let semitones = (note as i32 - root as i32).rem_euclid(12);
Some(match semitones {
0 => 0,
2 => 1,
4 => 2,
5 => 3,
7 => 4,
9 => 5,
11 => 6,
_ => return None,
})
}
#[derive(Debug, PartialEq, Eq, Hash, Clone, PartialOrd, Ord)]
pub enum Keystroke {
Char(char),
Modifier(Modifier),
Special(Special),
}
#[derive(Debug, PartialEq, Eq, Hash, Clone, PartialOrd, Ord)]
pub enum Modifier {
Shift,
}
#[derive(Debug, PartialEq, Eq, Hash, Clone, PartialOrd, Ord)]
pub enum Special {
CapsLock,
Backspace,
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn encodes_lowercase() {
let mapping = standard_melodic_mapping();
assert_eq!(mapping.encode(Keystroke::Char('a')), Some(vec![0, 3]));
assert_eq!(mapping.encode(Keystroke::Char('b')), Some(vec![0, 4]));
assert_eq!(mapping.encode(Keystroke::Char('z')), Some(vec![4, 0]));
}
#[test]
fn encodes_numbers() {
let mapping = standard_melodic_mapping();
assert_eq!(mapping.encode(Keystroke::Char('0')), Some(vec![4, 1]));
assert_eq!(mapping.encode(Keystroke::Char('1')), Some(vec![4, 2]));
assert_eq!(mapping.encode(Keystroke::Char('9')), Some(vec![5, 3]));
}
#[test]
fn converts_to_scale_degree() {
assert_eq!(midi_to_scale_degree(60, 58), None);
assert_eq!(midi_to_scale_degree(60, 59), Some(6));
assert_eq!(midi_to_scale_degree(60, 60), Some(0));
assert_eq!(midi_to_scale_degree(60, 61), None);
assert_eq!(midi_to_scale_degree(60, 62), Some(1));
assert_eq!(midi_to_scale_degree(60, 63), None);
assert_eq!(midi_to_scale_degree(60, 64), Some(2));
assert_eq!(midi_to_scale_degree(60, 65), Some(3));
assert_eq!(midi_to_scale_degree(60, 66), None);
assert_eq!(midi_to_scale_degree(60, 67), Some(4));
assert_eq!(midi_to_scale_degree(60, 68), None);
assert_eq!(midi_to_scale_degree(60, 69), Some(5));
assert_eq!(midi_to_scale_degree(60, 70), None);
assert_eq!(midi_to_scale_degree(60, 71), Some(6));
assert_eq!(midi_to_scale_degree(60, 72), Some(0));
assert_eq!(midi_to_scale_degree(60, 73), None);
assert_eq!(midi_to_scale_degree(60, 74), Some(1));
}
}

191
src/ui.rs
View file

@ -7,11 +7,15 @@ use std::{
thread::JoinHandle,
};
use itertools::Itertools;
use crossbeam::{channel::Receiver, select};
use egui::{mutex::Mutex, Color32, Frame, Grid, RichText, Rounding, ScrollArea, SelectableLabel};
use egui::{mutex::Mutex, Color32, Frame, Grid, RichText, ScrollArea, SelectableLabel};
use midir::{MidiInput, MidiInputPort};
use crate::midi::{daemon::CTM, Message, ParsedMessage, VoiceCategory, VoiceMessage};
use crate::{
midi::{daemon::CTM, Message, ParsedMessage, VoiceCategory, VoiceMessage},
typing::{c_scale_note_name, standard_melodic_mapping, Keystroke, TypingState},
};
/// State used to display the UI. It's intended to be shared between the
/// renderer and the daemon which updates the state.
@ -23,10 +27,16 @@ pub struct DisplayState {
pub max_messages: usize,
pub only_note_on_off: Arc<AtomicBool>,
pub show_raw: Arc<AtomicBool>,
pub selected_tab: Tabs,
pub melodic_typing_state: Arc<Mutex<TypingState>>,
pub scratchpad: String,
}
impl DisplayState {
pub fn new() -> DisplayState {
let melodic_mapping = standard_melodic_mapping();
let melodic_typing_state = TypingState::new(melodic_mapping);
DisplayState {
midi_input_ports: Arc::new(Mutex::new(vec![])),
midi_messages: Arc::new(Mutex::new(VecDeque::new())),
@ -34,6 +44,9 @@ impl DisplayState {
max_messages: 10_000_usize,
only_note_on_off: Arc::new(AtomicBool::new(true)),
show_raw: Arc::new(AtomicBool::new(true)),
selected_tab: Tabs::WindSynthTyping,
melodic_typing_state: Arc::new(Mutex::new(melodic_typing_state)),
scratchpad: String::new(),
}
}
@ -112,48 +125,47 @@ pub fn run(state: DisplayState) {
);
}
#[derive(Debug, PartialEq, Copy, Clone)]
pub enum Tabs {
Messages,
WindSynthTyping,
}
struct MidiKeysApp {
midi_in: MidiInput,
ports: Vec<MidiInputPort>,
messages: Vec<CTM>,
state: DisplayState,
first_render: bool,
}
impl MidiKeysApp {
fn new(_cc: &eframe::CreationContext<'_>, state: DisplayState) -> Self {
// this is where to hook in for customizing eguji, like fonts and visuals.
fn new(cc: &eframe::CreationContext<'_>, state: DisplayState) -> Self {
// this is where to hook in for customizing egui, like fonts and visuals.
let midi_in: MidiInput =
MidiInput::new("midi-keys").expect("could not connect to system MIDI");
let ports = vec![];
let messages = vec![];
MidiKeysApp { midi_in, state }
cc.egui_ctx.set_zoom_factor(1.25);
MidiKeysApp {
midi_in,
ports,
messages,
state,
first_render: true,
}
}
}
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.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| {
ui.menu_button("File", |ui| {
if ui.button("Quit").clicked() {
ctx.send_viewport_cmd(egui::ViewportCommand::Close);
}
});
ui.menu_button("Help", |ui| {
if ui.button("About").clicked() {
// TODO: implement something
}
});
});
});
pub fn instrument_panel(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
egui::SidePanel::left("instrument_panel").show(ctx, |ui| {
ui.heading("Connections");
for port in ports.iter() {
for port in self.ports.iter() {
let port_name = self
.midi_in
.port_name(port)
@ -171,11 +183,15 @@ impl eframe::App for MidiKeysApp {
}
}
});
}
pub fn messages_tab(&mut self, ctx: &egui::Context, frame: &mut eframe::Frame) {
self.instrument_panel(ctx, frame);
let mut only_note_on_off = self.state.only_note_on_off.load(Ordering::Relaxed);
let mut show_raw = self.state.show_raw.load(Ordering::Relaxed);
egui::TopBottomPanel::top("filter_panel").show(ctx, |ui| {
egui::TopBottomPanel::bottom("filter_panel").show(ctx, |ui| {
ui.horizontal_wrapped(|ui| {
ui.checkbox(&mut only_note_on_off, "Only note on/off");
ui.checkbox(&mut show_raw, "Display raw bytes");
@ -192,7 +208,7 @@ impl eframe::App for MidiKeysApp {
.max_width(f32::INFINITY)
.show(ui, |ui| {
ui.vertical_centered_justified(|ui| {
for (idx, (conn, _ts, msg)) in messages.iter().rev().enumerate() {
for (idx, (conn, _ts, msg)) in self.messages.iter().rev().enumerate() {
if only_note_on_off
&& !matches!(
&msg.parsed,
@ -213,7 +229,7 @@ impl eframe::App for MidiKeysApp {
{
continue;
}
let port = match ports.iter().find(|p| &p.id() == conn) {
let port = match self.ports.iter().find(|p| &p.id() == conn) {
Some(p) => p,
None => continue,
};
@ -222,7 +238,7 @@ impl eframe::App for MidiKeysApp {
.inner_margin(4.0)
.outer_margin(4.0)
.stroke((1.0, Color32::BLACK))
.rounding(Rounding::same(2.0))
.corner_radius(2)
.begin(ui);
let port_name = self
@ -241,6 +257,92 @@ impl eframe::App for MidiKeysApp {
});
});
}
pub fn typing_tab(&mut self, ctx: &egui::Context, frame: &mut eframe::Frame) {
self.instrument_panel(ctx, frame);
egui::CentralPanel::default().show(ctx, |ui| {
let typing_state = self.state.melodic_typing_state.lock();
let current_notes = typing_state.current_notes();
let options = typing_state.mapping().collated_remaining(&current_notes);
Grid::new("typing_melodic_grid".to_string()).show(ui, |ui| {
ui.label("Current notes:");
for note in &current_notes {
ui.label(c_scale_note_name(*note));
}
ui.end_row();
});
if let Some(options) = options {
Grid::new("typing_melodic_options_grid".to_string()).show(ui, |ui| {
for (next_note, keys) in options {
ui.label(c_scale_note_name(next_note));
let keys_disp = keys.iter().map(|k| match k {
Keystroke::Char(' ') => format!("<space>"),
Keystroke::Char('\n') => format!("<newline>"),
Keystroke::Char(c) => format!("{c}"),
Keystroke::Modifier(modifier) => format!("<{modifier:?}>"),
Keystroke::Special(special) => format!("<{special:?}>"),
}).join(", ");
ui.label(format!("{keys_disp}"));
ui.end_row();
}
});
} else {
ui.label("Nothing you can do from here. Sorry.");
}
ctx.request_repaint();
});
}
}
impl eframe::App for MidiKeysApp {
fn update(&mut self, ctx: &egui::Context, frame: &mut eframe::Frame) {
if self.first_render {
let window_size = (1200., 800.).into();
ctx.send_viewport_cmd(egui::ViewportCommand::InnerSize(window_size));
self.first_render = false;
}
ctx.set_theme(egui::Theme::Light);
self.ports = self.state.midi_input_ports.lock().clone();
self.messages = self.state.midi_messages.lock().clone().into();
egui::TopBottomPanel::top("menu_bar_panel").show(ctx, |ui| {
egui::menu::bar(ui, |ui| {
ui.menu_button("File", |ui| {
if ui.button("Quit").clicked() {
ctx.send_viewport_cmd(egui::ViewportCommand::Close);
}
});
ui.menu_button("Help", |ui| {
if ui.button("About").clicked() {
// TODO: implement something
}
});
});
});
egui::TopBottomPanel::top("tab_selector").show(ctx, |ui| {
ui.horizontal_wrapped(|ui| {
ui.radio_value(&mut self.state.selected_tab, Tabs::Messages, "Messages");
ui.radio_value(
&mut self.state.selected_tab,
Tabs::WindSynthTyping,
"Typing",
);
});
});
if self.state.selected_tab == Tabs::Messages {
self.messages_tab(ctx, frame);
} else if self.state.selected_tab == Tabs::WindSynthTyping {
self.typing_tab(ctx, frame);
}
}
}
fn display_midi_message(idx: usize, msg: &Message, ui: &mut egui::Ui, raw: bool) {
@ -251,21 +353,21 @@ fn display_midi_message(idx: usize, msg: &Message, ui: &mut egui::Ui, raw: bool)
VoiceCategory::NoteOff { note, velocity } => (
"NoteOff",
vec![
("note", note_name(note)),
("note", midi_note_name(note)),
("velocity", format!("{}", velocity)),
],
),
VoiceCategory::NoteOn { note, velocity } => (
"NoteOn",
vec![
("note", note_name(note)),
("note", midi_note_name(note)),
("velocity", format!("{}", velocity)),
],
),
VoiceCategory::AfterTouch { note, pressure } => (
"AfterTouch",
vec![
("note", note_name(note)),
("note", midi_note_name(note)),
("pressure", format!("{}", pressure)),
],
),
@ -299,6 +401,7 @@ fn display_midi_message(idx: usize, msg: &Message, ui: &mut egui::Ui, raw: bool)
}
});
}
ParsedMessage::System(_system_common) => {}
ParsedMessage::Realtime(_system_realtime) => {}
}
@ -306,10 +409,10 @@ fn display_midi_message(idx: usize, msg: &Message, ui: &mut egui::Ui, raw: bool)
if raw {
ui.horizontal_top(|ui| {
ui.label("Bytes:");
Frame::none().show(ui, |ui| {
Frame::new().show(ui, |ui| {
ui.spacing_mut().item_spacing = (0.0, 0.0).into();
for byte in &msg.raw {
Frame::none()
Frame::new()
.inner_margin(2.0)
.stroke((0.5, Color32::GRAY))
.outer_margin(0.0)
@ -322,7 +425,7 @@ fn display_midi_message(idx: usize, msg: &Message, ui: &mut egui::Ui, raw: bool)
}
}
fn note_name(midi_note: u8) -> String {
pub fn midi_note_name(midi_note: u8) -> String {
let octave = ((midi_note as i32) - 12) / 12;
let note = match midi_note % 12 {
0 => "C",
@ -345,13 +448,13 @@ fn note_name(midi_note: u8) -> String {
#[cfg(test)]
mod tests {
use crate::ui::note_name;
use crate::ui::midi_note_name;
#[test]
pub fn names_of_notes() {
assert_eq!(note_name(60), "C4");
assert_eq!(note_name(36), "C2");
assert_eq!(note_name(57), "A3");
assert_eq!(note_name(35), "B1");
assert_eq!(midi_note_name(60), "C4");
assert_eq!(midi_note_name(36), "C2");
assert_eq!(midi_note_name(57), "A3");
assert_eq!(midi_note_name(35), "B1");
}
}