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panic hook; two sequencers
This commit is contained in:
parent
0ee9e58dc7
commit
abee6cc2c8
16 changed files with 927 additions and 828 deletions
73
Cargo.lock
generated
73
Cargo.lock
generated
|
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@ -2,6 +2,21 @@
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "addr2line"
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version = "0.22.0"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "6e4503c46a5c0c7844e948c9a4d6acd9f50cccb4de1c48eb9e291ea17470c678"
|
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dependencies = [
|
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"gimli",
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]
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[[package]]
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name = "adler"
|
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version = "1.0.2"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
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[[package]]
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name = "ahash"
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version = "0.8.11"
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|
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@ -75,6 +90,21 @@ version = "1.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
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[[package]]
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name = "backtrace"
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version = "0.3.72"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "17c6a35df3749d2e8bb1b7b21a976d82b15548788d2735b9d82f329268f71a11"
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dependencies = [
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"addr2line",
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"cc",
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"cfg-if",
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"libc",
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"miniz_oxide",
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"object",
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"rustc-demangle",
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]
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[[package]]
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name = "bitflags"
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version = "1.3.2"
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@ -91,6 +121,7 @@ checksum = "cf4b9d6a944f767f8e5e0db018570623c85f3d925ac718db4e06d0187adb21c1"
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name = "bloop"
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version = "0.0.0"
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dependencies = [
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"backtrace",
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"clap",
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"crossterm",
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"jack",
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@ -112,6 +143,12 @@ dependencies = [
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"rustversion",
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]
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[[package]]
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name = "cc"
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version = "1.0.98"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "41c270e7540d725e65ac7f1b212ac8ce349719624d7bcff99f8e2e488e8cf03f"
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[[package]]
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name = "cfg-if"
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version = "1.0.0"
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@ -208,6 +245,12 @@ version = "1.12.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3dca9240753cf90908d7e4aac30f630662b02aebaa1b58a3cadabdb23385b58b"
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[[package]]
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name = "gimli"
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version = "0.29.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "40ecd4077b5ae9fd2e9e169b102c6c330d0605168eb0e8bf79952b256dbefffd"
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[[package]]
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name = "hashbrown"
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version = "0.14.5"
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@ -318,6 +361,21 @@ dependencies = [
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"hashbrown",
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]
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[[package]]
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name = "memchr"
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version = "2.7.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6c8640c5d730cb13ebd907d8d04b52f55ac9a2eec55b440c8892f40d56c76c1d"
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[[package]]
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name = "miniz_oxide"
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version = "0.7.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "87dfd01fe195c66b572b37921ad8803d010623c0aca821bea2302239d155cdae"
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dependencies = [
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"adler",
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]
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[[package]]
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name = "mio"
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version = "0.8.11"
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@ -330,6 +388,15 @@ dependencies = [
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"windows-sys 0.48.0",
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]
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[[package]]
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name = "object"
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version = "0.35.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b8ec7ab813848ba4522158d5517a6093db1ded27575b070f4177b8d12b41db5e"
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dependencies = [
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"memchr",
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]
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[[package]]
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name = "once_cell"
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version = "1.19.0"
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@ -418,6 +485,12 @@ dependencies = [
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"bitflags 2.5.0",
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]
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[[package]]
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name = "rustc-demangle"
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version = "0.1.24"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
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[[package]]
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name = "rustversion"
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version = "1.0.17"
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@ -7,3 +7,4 @@ jack = "0.10"
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clap = { version = "4.5.4", features = [ "derive" ] }
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crossterm = "0.27"
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ratatui = { version = "0.26.3", features = [ "unstable-widget-ref" ] }
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backtrace = "0.3.72"
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104
src/engine.rs
104
src/engine.rs
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@ -25,49 +25,52 @@ pub enum Event {
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}
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pub struct Engine {
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exited: Arc<AtomicBool>,
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sender: Sender<Event>,
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receiver: Receiver<Event>,
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exited: Arc<AtomicBool>,
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sender: Sender<Event>,
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receiver: Receiver<Event>,
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pub jack_client: Jack<Notifications>,
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}
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pub fn jack_client <N: NotificationHandler + Sync + 'static> (
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name: &str,
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pub fn activate_jack_client <N: NotificationHandler + Sync + 'static> (
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client: Client,
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notifications: N,
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handler: BoxedProcessHandler
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handler: BoxedProcessHandler
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) -> Result<Jack<N>, Box<dyn Error>> {
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let (client, _status) = Client::new(name, ClientOptions::NO_START_SERVER)?;
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Ok(client.activate_async(notifications, ClosureProcessHandler::new(handler))?)
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}
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pub trait Component: Exitable + WidgetRef + HandleInput + Send + 'static {}
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impl<T: Exitable + WidgetRef + HandleInput + Send + 'static> Component for T {}
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impl Engine {
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pub fn new (name: Option<&str>) -> Result<Self, Box<dyn Error>> {
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let (sender, receiver) = mpsc::channel::<self::Event>();
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let exited = Arc::new(AtomicBool::new(false));
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let (client, _status) = Client::new(name.unwrap_or("engine"), ClientOptions::NO_START_SERVER)?;
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Ok(Self {
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jack_client: jack_client(
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name.unwrap_or("blinkenlive"),
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Notifications(sender.clone()),
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Box::new({
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let sender = sender.clone();
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let exited = exited.clone();
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move |_client: &Client, _ps: &ProcessScope| -> Control {
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if exited.fetch_and(true, Ordering::Relaxed) {
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Control::Quit
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} else {
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sender.send(Event::Update).unwrap();
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Control::Continue
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}
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}}))?,
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exited,
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sender,
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receiver,
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sender: sender.clone(),
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exited: exited.clone(),
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jack_client: activate_jack_client(
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client,
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Notifications(sender.clone()),
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Box::new(move |_client: &Client, _ps: &ProcessScope| -> Control {
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if exited.fetch_and(true, Ordering::Relaxed) {
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Control::Quit
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} else {
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sender.send(Event::Update).unwrap();
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Control::Continue
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}
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})
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)?
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})
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}
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pub fn run <T: Exitable + WidgetRef + HandleInput + Send + 'static> (
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&mut self, mut state: T,
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pub fn run (
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&mut self,
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mut state: impl Component,
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) -> Result<(), Box<dyn Error>> {
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let state = Arc::new(Mutex::new(state));
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@ -93,29 +96,28 @@ impl Engine {
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})
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};
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let render_thread = {
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stdout().queue(EnterAlternateScreen)?.flush()?;
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enable_raw_mode()?;
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let mut terminal = ratatui::Terminal::new(CrosstermBackend::new(stdout()))?;
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let sleep = std::time::Duration::from_millis(16);
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let exited = self.exited.clone();
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spawn(move || loop {
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terminal.draw(|frame|{
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let area = frame.size();
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frame.render_widget(
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&*state.lock().unwrap(),
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area
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);
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});
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if state.lock().unwrap().exited() {
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exited.store(true, Ordering::Relaxed);
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break
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}
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std::thread::sleep(sleep);
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})
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stdout().execute(EnterAlternateScreen)?;
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enable_raw_mode()?;
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let mut terminal = ratatui::Terminal::new(CrosstermBackend::new(stdout()))?;
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let sleep = std::time::Duration::from_millis(16);
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let exited = self.exited.clone();
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std::panic::set_hook(Box::new(panic_hook));
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loop {
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terminal.draw(|frame|{
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let area = frame.size();
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frame.render_widget(
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&*state.lock().unwrap(),
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area
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);
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}).expect("Failed to render frame");
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if state.lock().unwrap().exited() {
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exited.store(true, Ordering::Relaxed);
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break
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}
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std::thread::sleep(sleep);
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};
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render_thread.join();
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//render_thread.join().expect("Failed to join render thread");
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stdout()
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.queue(crossterm::terminal::LeaveAlternateScreen)?
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@ -127,6 +129,16 @@ impl Engine {
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}
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fn panic_hook (info: &std::panic::PanicInfo) {
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stdout()
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.execute(crossterm::terminal::LeaveAlternateScreen)
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.unwrap();
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crossterm::terminal::disable_raw_mode()
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.unwrap();
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writeln!(std::io::stderr(), "{}", info);
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writeln!(std::io::stderr(), "{:?}", ::backtrace::Backtrace::new());
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}
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pub struct Notifications(mpsc::Sender<self::Event>);
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impl NotificationHandler for Notifications {
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|
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129
src/main.rs
129
src/main.rs
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@ -43,7 +43,7 @@ fn run_one (command: &cli::Command) -> Result<(), Box<dyn Error>> {
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sampler::Sampler::new()?,
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),
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cli::Command::Sequencer => engine.run(
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sequencer::Sequencer::new()?,
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sequencer::Sequencer::new(Some("sequencer"))?,
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),
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}
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}
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@ -54,7 +54,10 @@ fn run_all () -> Result<(), Box<dyn Error>> {
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exited: false,
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mode: Mode::Sequencer,
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transport: transport::Transport::new(engine.jack_client.as_client())?,
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sequencer: sequencer::Sequencer::new()?,
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sequencers: vec![
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sequencer::Sequencer::new(Some("Melody#000"))?,
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sequencer::Sequencer::new(Some("Rhythm#000"))?,
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],
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mixer: mixer::Mixer::new()?,
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looper: looper::Looper::new()?,
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sampler: sampler::Sampler::new()?,
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@ -63,14 +66,14 @@ fn run_all () -> Result<(), Box<dyn Error>> {
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}
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struct App {
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exited: bool,
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mode: Mode,
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transport: crate::transport::Transport,
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mixer: crate::mixer::Mixer,
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looper: crate::looper::Looper,
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sampler: crate::sampler::Sampler,
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sequencer: crate::sequencer::Sequencer,
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actions: Vec<(&'static str, &'static str)>
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exited: bool,
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mode: Mode,
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transport: crate::transport::Transport,
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mixer: crate::mixer::Mixer,
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looper: crate::looper::Looper,
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sampler: crate::sampler::Sampler,
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sequencers: Vec<crate::sequencer::Sequencer>,
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actions: Vec<(&'static str, &'static str)>,
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}
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#[derive(PartialEq)]
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@ -94,46 +97,74 @@ impl Exitable for App {
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impl WidgetRef for App {
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fn render_ref (&self, area: Rect, buffer: &mut Buffer) {
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use ratatui::{widgets::*, style::Stylize};
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let column_constraints = vec![
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Constraint::Percentage(28),
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Constraint::Percentage(72),
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];
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let row_constraints = vec![
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Constraint::Length(4),
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Constraint::Length(14),
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Constraint::Length(10),
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Constraint::Length(10),
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Constraint::Length(10),
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];
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let cols = Layout::default()
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.direction(Direction::Horizontal)
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.constraints(column_constraints)
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let areas = Layout::default()
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.direction(Direction::Vertical)
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.constraints([
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Constraint::Length(4),
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Constraint::Min(16),
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Constraint::Min(16),
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].clone())
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.split(area);
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let side = Layout::default()
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.direction(Direction::Vertical)
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.constraints(row_constraints.clone())
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.split(cols[0]);
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let main = Layout::default()
|
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.direction(Direction::Vertical)
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.constraints(row_constraints)
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.split(cols[1]);
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self.transport.render(area, buffer);
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self.sequencers[0].render(areas[1], buffer);
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self.sequencers[1].render(areas[2], buffer);
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|
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Line::from(" Transport").render(side[0], buffer);
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self.transport.render(main[0].inner(&Margin {
|
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vertical: 0,
|
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horizontal: 1,
|
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}), buffer);
|
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buffer.set_string(
|
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area.x, main[1].y-1, "─".repeat(area.width as usize), Style::default().black().dim()
|
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);
|
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Line::from(" Piano roll").render(side[1], buffer);
|
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self.sequencer.render(main[1].inner(&Margin {
|
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vertical: 0,
|
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horizontal: 1,
|
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}), buffer);
|
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buffer.set_string(
|
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area.x, main[2].y+1, "─".repeat(area.width as usize), Style::default().black().dim()
|
||||
);
|
||||
//buffer.set_string(
|
||||
//area.x, area.y + 5,
|
||||
//format!(" [ ] Melody#000 │1.1 │1.2 │1.3 │1.4 │ → None "),
|
||||
//Style::default()
|
||||
//);
|
||||
//buffer.set_string(
|
||||
//area.x, area.y + 6,
|
||||
//format!(" Variation: │A │B │C │D │E │F │G │H │"),
|
||||
//Style::default()
|
||||
//);
|
||||
//buffer.set_string(
|
||||
//area.x, area.y + 7,
|
||||
//format!(" [x] Chain 𝄆 A A B A 𝄇"),
|
||||
//Style::default()
|
||||
//);
|
||||
|
||||
//buffer.set_string(
|
||||
//area.x, area.y,
|
||||
//format!("│"),
|
||||
//Style::default().black()
|
||||
//);
|
||||
//buffer.set_string(
|
||||
//area.x + area.width - 1, area.y,
|
||||
//format!("│"),
|
||||
//Style::default().black()
|
||||
//);
|
||||
//buffer.set_string(
|
||||
//area.x, area.y + 1,
|
||||
//format!("╰{}╯", "─".repeat((area.width - 2) as usize)),
|
||||
//Style::default().black()
|
||||
//);
|
||||
|
||||
////Paragraph::new("|Project: The Witty Gerbils - Sha Na Na\n|Rewind |Play |BPM▐▔▔▔▔▔▔▔▔▔▔▔▔▔▔▌\n▐ ⯈ Play/Pause ▌\n▐▁▁▁▁▁▁▁▁▁▁▁▁▁▁▌")
|
||||
//Paragraph::new("|Project: The Witty Gerbils - Sha Na Na\n|Rewind |Play |Beat 1.1.0 |BPM 113.000 |Time: 123.456 |Rate: 44100Hz |Frame: 2000000000")
|
||||
//.render(transport_area, buffer);
|
||||
|
||||
//self.transport.render(main[0].inner(&Margin {
|
||||
//vertical: 0,
|
||||
//horizontal: 1,
|
||||
//}), buffer);
|
||||
//buffer.set_string(
|
||||
//area.x, main[1].y-1,
|
||||
//format!("╭{}╮", "─".repeat((area.width - 2) as usize)),
|
||||
//Style::default().black()
|
||||
//);
|
||||
//Paragraph::new("│|Melody #000\n│\n│|Port:\n│|Channel:\n│\n│\n│\n│\n│\n│\n│\n│\n│\n│|Variation:")
|
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//.render(side[1], buffer);
|
||||
//self.sequencer.render(main[1].inner(&Margin {
|
||||
//vertical: 0,
|
||||
//horizontal: 1,
|
||||
//}), buffer);
|
||||
//buffer.set_string(
|
||||
//area.x, main[2].y+1,
|
||||
//format!("╰{}╯", "─".repeat((area.width - 2) as usize)),
|
||||
//Style::default().black()
|
||||
//);
|
||||
|
||||
//Block::default()
|
||||
//.title("Sampler")
|
||||
|
|
@ -243,7 +274,7 @@ impl HandleInput for App {
|
|||
.handle(&event)?,
|
||||
Mode::Sampler => self.sampler
|
||||
.handle(&event)?,
|
||||
Mode::Sequencer => self.sequencer
|
||||
Mode::Sequencer => self.sequencers[0]
|
||||
.handle(&event)?,
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -16,7 +16,8 @@ pub use std::sync::{
|
|||
mpsc::{self, channel, Sender, Receiver}
|
||||
};
|
||||
pub use crossterm::{
|
||||
QueueableCommand,
|
||||
QueueableCommand,
|
||||
ExecutableCommand,
|
||||
event::{self, KeyCode, KeyModifiers},
|
||||
cursor::{self, MoveTo, Show, Hide},
|
||||
terminal::{
|
||||
|
|
@ -56,7 +57,9 @@ pub use jack::{
|
|||
pub type BoxedProcessHandler = Box<dyn FnMut(&Client, &ProcessScope)-> Control + Send>;
|
||||
pub type Jack<N> = AsyncClient<N, ClosureProcessHandler<BoxedProcessHandler>>;
|
||||
pub use crate::engine::{
|
||||
Component,
|
||||
Exitable,
|
||||
HandleInput,
|
||||
Event
|
||||
};
|
||||
pub use crate::render::{draw_box, draw_leaf};
|
||||
|
|
|
|||
|
|
@ -27,6 +27,49 @@ impl<'a> WidgetRef for ActionBar<'a> {
|
|||
}
|
||||
}
|
||||
|
||||
pub fn draw_leaf (buffer: &mut Buffer, area: Rect, y: u16, x: u16, text: &str) {
|
||||
use ratatui::style::{Style, Stylize};
|
||||
buffer.set_string(
|
||||
area.x + x, area.y + y,
|
||||
format!("│"),
|
||||
Style::default().black().dim()
|
||||
);
|
||||
buffer.set_string(
|
||||
area.x + x + 1, area.y + y,
|
||||
format!("{text}"),
|
||||
Style::default()
|
||||
);
|
||||
buffer.set_string(
|
||||
area.x + x + text.len() as u16 + 1, area.y + y,
|
||||
format!("│"),
|
||||
Style::default().black().dim()
|
||||
);
|
||||
buffer.set_string(
|
||||
area.x + x, area.y + 1 + y,
|
||||
format!("╰{}╯", "─".repeat(text.len() as usize)),
|
||||
Style::default().black()
|
||||
);
|
||||
}
|
||||
|
||||
pub fn draw_box (buffer: &mut Buffer, area: Rect) {
|
||||
use ratatui::style::{Style, Stylize};
|
||||
buffer.set_string(
|
||||
area.x, area.y,
|
||||
format!("╭{}╮", "─".repeat((area.width - 2).into())),//.repeat(area.width.saturating_sub(2).into())),
|
||||
Style::default().black()
|
||||
);
|
||||
buffer.set_string(
|
||||
area.x, area.y + area.height - 1,
|
||||
format!("╰{}╯", "─".repeat((area.width - 2).into())),//.repeat(area.width.saturating_sub(2).into())),
|
||||
Style::default().black()
|
||||
);
|
||||
//buffer.set_string(
|
||||
//area.x, area.y + area.height,
|
||||
//format!("╰{}╯", "─".repeat(area.width.saturating_sub(2).into())),
|
||||
//Style::default().black()
|
||||
//);
|
||||
}
|
||||
|
||||
pub fn render_toolbar_vertical (
|
||||
stdout: &mut std::io::Stdout,
|
||||
offset: (u16, u16),
|
||||
|
|
|
|||
426
src/sequencer.rs
Normal file
426
src/sequencer.rs
Normal file
|
|
@ -0,0 +1,426 @@
|
|||
use crate::prelude::*;
|
||||
use ratatui::style::Stylize;
|
||||
|
||||
pub const ACTIONS: [(&'static str, &'static str);4] = [
|
||||
("+/-", "Zoom"),
|
||||
("A/D", "Add/delete note"),
|
||||
("]/[", "Duration"),
|
||||
("CapsLock", "Auto advance"),
|
||||
];
|
||||
|
||||
pub struct Sequencer {
|
||||
exited: Arc<AtomicBool>,
|
||||
sequence: Arc<Mutex<Vec<Vec<Option<Event>>>>>,
|
||||
cursor: (u16, u16, u16),
|
||||
timesig: (f32, f32),
|
||||
pub jack_client: Jack<Notifications>,
|
||||
}
|
||||
|
||||
#[derive(Clone)]
|
||||
pub enum Event {
|
||||
NoteOn(u8, u8),
|
||||
NoteOff(u8)
|
||||
}
|
||||
|
||||
impl Sequencer {
|
||||
|
||||
pub fn new (name: Option<&str>) -> Result<Self, Box<dyn Error>> {
|
||||
let exited = Arc::new(AtomicBool::new(false));
|
||||
let (client, _status) = Client::new(name.unwrap_or("sequencer"), ClientOptions::NO_START_SERVER)?;
|
||||
let mut port = client.register_port("sequence", ::jack::MidiOut::default())?;
|
||||
let sequence: Arc<Mutex<Vec<Vec<Option<Event>>>>> = Arc::new(Mutex::new(vec![vec![None;64];128]));
|
||||
let beats = 4;
|
||||
let steps = 16;
|
||||
let bpm = 120.0;
|
||||
let rate = 44100; // Hz
|
||||
let frame = 1f64 / rate as f64; // msec
|
||||
let buf = 512; // frames
|
||||
let t_beat = 60.0 / bpm; // msec
|
||||
let t_loop = t_beat * beats as f64; // msec
|
||||
let t_step = t_beat / steps as f64; // msec
|
||||
let mut step_frames = vec![];
|
||||
for step in 0..beats*steps {
|
||||
let step_index = (step as f64 * t_step / frame) as usize;
|
||||
step_frames.push(step_index);
|
||||
}
|
||||
let loop_frames = (t_loop*rate as f64) as usize;
|
||||
let mut frame_steps: Vec<Option<usize>> = vec![None;loop_frames];
|
||||
for (index, frame) in step_frames.iter().enumerate() {
|
||||
frame_steps[*frame] = Some(index);
|
||||
}
|
||||
Ok(Self {
|
||||
exited: exited.clone(),
|
||||
sequence: sequence.clone(),
|
||||
cursor: (11, 0, 0),
|
||||
timesig: (4.0, 4.0),
|
||||
jack_client: crate::engine::activate_jack_client(
|
||||
client,
|
||||
Notifications,
|
||||
Box::new(move |client: &Client, scope: &ProcessScope| -> Control {
|
||||
if exited.fetch_and(true, Ordering::Relaxed) {
|
||||
return Control::Quit
|
||||
}
|
||||
if client.transport().query_state().unwrap() == TransportState::Rolling {
|
||||
let chunk_start = scope.last_frame_time();
|
||||
let chunk_size = scope.n_frames();
|
||||
let chunk_end = chunk_start + chunk_size;
|
||||
let start_looped = chunk_start as usize % loop_frames;
|
||||
let end_looped = chunk_end as usize % loop_frames;
|
||||
let mut writer = port.writer(scope);
|
||||
let sequence = sequence.lock().unwrap();
|
||||
for frame in 0..chunk_size {
|
||||
let value = frame_steps[(start_looped + frame as usize) % loop_frames];
|
||||
if let Some(step) = value {
|
||||
for track in sequence.iter() {
|
||||
for event in track[step].iter() {
|
||||
writer.write(&::jack::RawMidi {
|
||||
time: frame as u32,
|
||||
bytes: &match event {
|
||||
Event::NoteOn(pitch, velocity) => [
|
||||
0b10010000,
|
||||
*pitch,
|
||||
*velocity
|
||||
],
|
||||
Event::NoteOff(pitch) => [
|
||||
0b10000000,
|
||||
*pitch,
|
||||
0b00000000
|
||||
],
|
||||
}
|
||||
}).unwrap()
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Control::Continue
|
||||
})
|
||||
)?
|
||||
})
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
impl Exitable for Sequencer {
|
||||
fn exit (&mut self) {
|
||||
self.exited.store(true, Ordering::Relaxed)
|
||||
}
|
||||
fn exited (&self) -> bool {
|
||||
self.exited.fetch_and(true, Ordering::Relaxed)
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod test {
|
||||
#[test]
|
||||
fn test_midi_frames () {
|
||||
let beats = 4;
|
||||
let steps = 16;
|
||||
let bpm = 120;
|
||||
let rate = 44100; // Hz
|
||||
let frame = 1f64 / rate as f64; // msec
|
||||
let buf = 512; // frames
|
||||
let t_beat = 60.0 / bpm as f64; // msec
|
||||
let t_loop = t_beat * beats as f64; // msec
|
||||
let t_step = t_beat / steps as f64; // msec
|
||||
|
||||
let assign = |chunk: usize| {
|
||||
let start = chunk * buf; // frames
|
||||
let end = (chunk + 1) * buf; // frames
|
||||
println!("{chunk}: {start} .. {end}");
|
||||
let mut steps: Vec<(usize, usize, f64)> = vec![];
|
||||
for frame_index in start..end {
|
||||
let frame_msec = frame_index as f64 * frame;
|
||||
let offset = (frame_msec * 1000.0) % (t_step * 1000.0);
|
||||
if offset < 0.1 {
|
||||
let time = frame_index - start;
|
||||
let step_index = (frame_msec % t_loop / t_step) as usize;
|
||||
println!("{chunk}: {frame_index} ({time}) -> {step_index} ({frame_msec} % {t_step} = {offset})");
|
||||
steps.push((time, step_index, offset));
|
||||
}
|
||||
}
|
||||
steps
|
||||
};
|
||||
|
||||
for chunk in 0..10 {
|
||||
let chunk = assign(chunk);
|
||||
//println!("{chunk} {:#?}", assign(chunk));
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_midi_frames_2 () {
|
||||
let beats = 4;
|
||||
let steps = 16;
|
||||
let bpm = 120;
|
||||
let rate = 44100; // Hz
|
||||
let frame = 1f64 / rate as f64; // msec
|
||||
let buf = 512; // frames
|
||||
let t_beat = 60.0 / bpm as f64; // msec
|
||||
let t_loop = t_beat * beats as f64; // msec
|
||||
let t_step = t_beat / steps as f64; // msec
|
||||
let mut step_frames = vec![];
|
||||
for step in 0..beats*steps {
|
||||
let step_index = (step as f64 * t_step / frame) as usize;
|
||||
step_frames.push(step_index);
|
||||
}
|
||||
let loop_frames = (t_loop*rate as f64) as usize;
|
||||
let mut frame_steps: Vec<Option<usize>> = vec![None;loop_frames];
|
||||
for (index, frame) in step_frames.iter().enumerate() {
|
||||
println!("{index} {frame}");
|
||||
frame_steps[*frame] = Some(index);
|
||||
}
|
||||
let assign = |chunk: usize| {
|
||||
let (start, end) = (chunk * buf, (chunk + 1) * buf); // frames
|
||||
let (start_looped, end_looped) = (start % loop_frames, end % loop_frames);
|
||||
println!("{chunk}: {start} .. {end} ({start_looped} .. {end_looped})");
|
||||
let mut steps: Vec<Option<usize>> = vec![None;buf];
|
||||
for frame in 0..buf {
|
||||
let value = frame_steps[(start_looped + frame) as usize % loop_frames];
|
||||
if value.is_some() { println!("{frame:03} = {value:?}, ") };
|
||||
steps[frame as usize] = value;
|
||||
}
|
||||
steps
|
||||
};
|
||||
for chunk in 0..1000 {
|
||||
let chunk = assign(chunk);
|
||||
//println!("{chunk} {:#?}", assign(chunk));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl HandleInput for Sequencer {
|
||||
fn handle (&mut self, event: &crate::engine::Event) -> Result<(), Box<dyn Error>> {
|
||||
handle(self, event)
|
||||
}
|
||||
}
|
||||
|
||||
fn handle (state: &mut Sequencer, event: &crate::engine::Event) -> Result<(), Box<dyn Error>> {
|
||||
|
||||
if let crate::engine::Event::Input(crossterm::event::Event::Key(event)) = event {
|
||||
|
||||
match event.code {
|
||||
KeyCode::Char('c') => {
|
||||
if event.modifiers == KeyModifiers::CONTROL {
|
||||
state.exit();
|
||||
}
|
||||
},
|
||||
KeyCode::Down => {
|
||||
state.cursor.0 = if state.cursor.0 >= 23 {
|
||||
0
|
||||
} else {
|
||||
state.cursor.0 + 1
|
||||
}
|
||||
},
|
||||
KeyCode::Up => {
|
||||
state.cursor.0 = if state.cursor.0 == 0 {
|
||||
23
|
||||
} else {
|
||||
state.cursor.0 - 1
|
||||
}
|
||||
},
|
||||
KeyCode::Left => {
|
||||
state.cursor.1 = if state.cursor.1 == 0 {
|
||||
63
|
||||
} else {
|
||||
state.cursor.1 - 1
|
||||
}
|
||||
},
|
||||
KeyCode::Right => {
|
||||
state.cursor.1 = if state.cursor.1 == 63 {
|
||||
0
|
||||
} else {
|
||||
state.cursor.1 + 1
|
||||
}
|
||||
},
|
||||
KeyCode::Char('[') => {
|
||||
if state.cursor.2 > 0 {
|
||||
state.cursor.2 = state.cursor.2 - 1
|
||||
}
|
||||
},
|
||||
KeyCode::Char(']') => {
|
||||
state.cursor.2 = state.cursor.2 + 1
|
||||
},
|
||||
KeyCode::Char('a') => {
|
||||
let row = state.cursor.0 as usize;
|
||||
let step = state.cursor.1 as usize;
|
||||
let duration = state.cursor.2 as usize;
|
||||
let mut sequence = state.sequence.lock().unwrap();
|
||||
sequence[row][step] = Some(self::Event::NoteOn(48 - row as u8, 128));
|
||||
if state.cursor.2 > 0 {
|
||||
sequence[row][step + duration] = Some(self::Event::NoteOff(35));
|
||||
}
|
||||
},
|
||||
_ => {
|
||||
println!("{event:?}");
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
const NOTE_NAMES: [&'static str;12] = [
|
||||
"C ", "C#", "D ", "D#", "E ", "F ", "F#", "G ", "G#", "A ", "A#", "B ",
|
||||
];
|
||||
|
||||
const KEYS: [&'static str; 6] = [
|
||||
"▀", "▀", "▀", "█", "▄", "▄",
|
||||
];
|
||||
|
||||
impl WidgetRef for Sequencer {
|
||||
fn render_ref (&self, area: Rect, buf: &mut Buffer) {
|
||||
draw_box(buf, area);
|
||||
draw_leaf(buf, area, 1, 0, "Name: Melody#000");
|
||||
draw_leaf(buf, area, 3, 0, "Output: None");
|
||||
draw_leaf(buf, area, 5, 0, "Input: None");
|
||||
draw_leaf(buf, area, 7, 0, "Channel: 01");
|
||||
draw_leaf(buf, area, 9, 0, "Zoom: 1/64");
|
||||
draw_leaf(buf, area, 11, 0, "Rate: 1/1");
|
||||
let mut area = area.inner(&Margin { horizontal: 1, vertical: 3, });
|
||||
area.x = area.x + 14;
|
||||
draw_sequence_keys(area, buf, &self.jack_client.as_client().transport().query().unwrap(), &self.sequence);
|
||||
draw_sequence_header(area, buf);
|
||||
draw_sequence_cursor(area, buf, self.cursor);
|
||||
//╭{}╮
|
||||
//faul
|
||||
|
||||
//ring
|
||||
//rea.
|
||||
//╰{}╯
|
||||
let cursor = self.cursor;
|
||||
}
|
||||
}
|
||||
|
||||
fn draw_sequence_header (
|
||||
area: Rect, buf: &mut Buffer
|
||||
) {
|
||||
buf.set_string(area.x + 3, area.y, "|1.1.", Style::default().dim());
|
||||
buf.set_string(area.x + 3 + 16, area.y, "|1.2.", Style::default().dim());
|
||||
buf.set_string(area.x + 3 + 32, area.y, "|1.3.", Style::default().dim());
|
||||
buf.set_string(area.x + 3 + 48, area.y, "|1.4.", Style::default().dim());
|
||||
}
|
||||
|
||||
fn draw_sequence_keys (
|
||||
area: Rect,
|
||||
buf: &mut Buffer,
|
||||
transport: &::jack::TransportStatePosition,
|
||||
sequence: &Arc<Mutex<Vec<Vec<Option<self::Event>>>>>
|
||||
) {
|
||||
buf.set_string(area.x + 2, area.y, "╭", Style::default().black());
|
||||
buf.set_string(area.x + 2, area.y + 13, "╰", Style::default().black());
|
||||
buf.set_string(area.x + 2 + 65, area.y, "╮", Style::default().black());
|
||||
buf.set_string(area.x + 2 + 65, area.y + 13, "╯", Style::default().black());
|
||||
//let transport = state.transport.query()?;
|
||||
let frame = transport.pos.frame();
|
||||
let rate = transport.pos.frame_rate().unwrap();
|
||||
let second = (frame as f64) / (rate as f64);
|
||||
let minute = second / 60f64;
|
||||
let bpm = 120f64;
|
||||
let div = 4;
|
||||
let beats = minute * bpm;
|
||||
let bars = beats as u32 / div as u32;
|
||||
let beat = beats as u32 % div as u32 + 1;
|
||||
let beat_sub = beats % 1.0;
|
||||
|
||||
let sequence = sequence.lock().unwrap();
|
||||
|
||||
for key in 0..12 {
|
||||
buf.set_string(area.x, area.y + 1 + key, KEYS[(key % 6) as usize],
|
||||
Style::default().black());
|
||||
buf.set_string(area.x + 1, area.y + 1 + key, "█",
|
||||
Style::default().black());
|
||||
for step in 0..64 {
|
||||
let bg = if step as u32 == (beat - 1) * 16 + (beat_sub * 16.0) as u32 {
|
||||
ratatui::style::Color::Black
|
||||
} else {
|
||||
ratatui::style::Color::Reset
|
||||
};
|
||||
let top = sequence[(key * 2) as usize][step].is_some();
|
||||
let bottom = sequence[(key * 2 + 1) as usize][step].is_some();
|
||||
match (top, bottom) {
|
||||
(true, true) => {
|
||||
buf.set_string(area.x + 3 + step as u16, area.y + 1 + key, "█",
|
||||
Style::default().yellow().bold().bg(bg));
|
||||
},
|
||||
(true, false) => {
|
||||
buf.set_string(area.x + 3 + step as u16, area.y + 1 + key, "▀",
|
||||
Style::default().yellow().bold().bg(bg));
|
||||
},
|
||||
(false, true) => {
|
||||
buf.set_string(area.x + 3 + step as u16, area.y + 1 + key, "▄",
|
||||
Style::default().yellow().bold().bg(bg));
|
||||
},
|
||||
(false, false) => if step % 16 == 0 {
|
||||
buf.set_string(area.x + 3 + step as u16, area.y + 1 + key, "┊",
|
||||
Style::default().black().dim().bg(bg))
|
||||
} else {
|
||||
buf.set_string(area.x + 3 + step as u16, area.y + 1 + key, "·",
|
||||
Style::default().black().dim().bg(bg))
|
||||
},
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for step in 0..64 {
|
||||
if step % 8 == 0 {
|
||||
buf.set_string(area.x + 3 + step as u16, area.y + 1 + 12, [
|
||||
"|A", "|B", "|C", "|D", "|E", "|F", "|G", "|H"
|
||||
][step / 8 as usize], Style::default().dim())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn draw_sequence_cursor (
|
||||
area: Rect, buf: &mut Buffer, cursor: (u16, u16, u16)
|
||||
) {
|
||||
let cursor_character = match cursor.0 % 2 {
|
||||
0 => "▀",
|
||||
1 => "▄",
|
||||
_ => unreachable!()
|
||||
};
|
||||
let cursor_y = cursor.0 / 2;
|
||||
buf.set_string(area.x + cursor.1 + 3, area.y + 1 + cursor_y, if cursor.2 == 0 {
|
||||
cursor_character.into()
|
||||
} else {
|
||||
cursor_character.repeat(cursor.2 as usize)
|
||||
}, Style::default().yellow());
|
||||
}
|
||||
|
||||
pub struct Notifications;
|
||||
|
||||
impl NotificationHandler for Notifications {
|
||||
fn thread_init (&self, _: &Client) {
|
||||
}
|
||||
|
||||
fn shutdown (&mut self, status: ClientStatus, reason: &str) {
|
||||
}
|
||||
|
||||
fn freewheel (&mut self, _: &Client, is_enabled: bool) {
|
||||
}
|
||||
|
||||
fn sample_rate (&mut self, _: &Client, _: Frames) -> Control {
|
||||
Control::Quit
|
||||
}
|
||||
|
||||
fn client_registration (&mut self, _: &Client, name: &str, is_reg: bool) {
|
||||
}
|
||||
|
||||
fn port_registration (&mut self, _: &Client, port_id: PortId, is_reg: bool) {
|
||||
}
|
||||
|
||||
fn port_rename (&mut self, _: &Client, id: PortId, old: &str, new: &str) -> Control {
|
||||
Control::Continue
|
||||
}
|
||||
|
||||
fn ports_connected (&mut self, _: &Client, id_a: PortId, id_b: PortId, are: bool) {
|
||||
}
|
||||
|
||||
fn graph_reorder (&mut self, _: &Client) -> Control {
|
||||
Control::Continue
|
||||
}
|
||||
|
||||
fn xrun (&mut self, _: &Client) -> Control {
|
||||
Control::Continue
|
||||
}
|
||||
}
|
||||
|
|
@ -1,73 +0,0 @@
|
|||
use crate::prelude::*;
|
||||
use super::Sequencer;
|
||||
|
||||
impl HandleInput for Sequencer {
|
||||
fn handle (&mut self, event: &Event) -> Result<(), Box<dyn Error>> {
|
||||
handle(self, event)
|
||||
}
|
||||
}
|
||||
|
||||
fn handle (state: &mut Sequencer, event: &Event) -> Result<(), Box<dyn Error>> {
|
||||
|
||||
if let Event::Input(crossterm::event::Event::Key(event)) = event {
|
||||
|
||||
match event.code {
|
||||
KeyCode::Char('c') => {
|
||||
if event.modifiers == KeyModifiers::CONTROL {
|
||||
state.exit();
|
||||
}
|
||||
},
|
||||
KeyCode::Down => {
|
||||
state.cursor.0 = if state.cursor.0 >= 23 {
|
||||
0
|
||||
} else {
|
||||
state.cursor.0 + 1
|
||||
}
|
||||
},
|
||||
KeyCode::Up => {
|
||||
state.cursor.0 = if state.cursor.0 == 0 {
|
||||
23
|
||||
} else {
|
||||
state.cursor.0 - 1
|
||||
}
|
||||
},
|
||||
KeyCode::Left => {
|
||||
state.cursor.1 = if state.cursor.1 == 0 {
|
||||
63
|
||||
} else {
|
||||
state.cursor.1 - 1
|
||||
}
|
||||
},
|
||||
KeyCode::Right => {
|
||||
state.cursor.1 = if state.cursor.1 == 63 {
|
||||
0
|
||||
} else {
|
||||
state.cursor.1 + 1
|
||||
}
|
||||
},
|
||||
KeyCode::Char('[') => {
|
||||
if state.cursor.2 > 0 {
|
||||
state.cursor.2 = state.cursor.2 - 1
|
||||
}
|
||||
},
|
||||
KeyCode::Char(']') => {
|
||||
state.cursor.2 = state.cursor.2 + 1
|
||||
},
|
||||
KeyCode::Char('a') => {
|
||||
let row = state.cursor.0 as usize;
|
||||
let step = state.cursor.1 as usize;
|
||||
let duration = state.cursor.2 as usize;
|
||||
let mut sequence = state.sequence.lock().unwrap();
|
||||
sequence[row][step] = Some(super::Event::NoteOn(35, 128));
|
||||
if state.cursor.2 > 0 {
|
||||
sequence[row][step + duration] = Some(super::Event::NoteOff(35));
|
||||
}
|
||||
},
|
||||
_ => {
|
||||
println!("{event:?}");
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
|
@ -1,40 +0,0 @@
|
|||
use crate::prelude::*;
|
||||
|
||||
pub struct Notifications;
|
||||
|
||||
impl NotificationHandler for Notifications {
|
||||
fn thread_init (&self, _: &Client) {
|
||||
}
|
||||
|
||||
fn shutdown (&mut self, status: ClientStatus, reason: &str) {
|
||||
}
|
||||
|
||||
fn freewheel (&mut self, _: &Client, is_enabled: bool) {
|
||||
}
|
||||
|
||||
fn sample_rate (&mut self, _: &Client, _: Frames) -> Control {
|
||||
Control::Quit
|
||||
}
|
||||
|
||||
fn client_registration (&mut self, _: &Client, name: &str, is_reg: bool) {
|
||||
}
|
||||
|
||||
fn port_registration (&mut self, _: &Client, port_id: PortId, is_reg: bool) {
|
||||
}
|
||||
|
||||
fn port_rename (&mut self, _: &Client, id: PortId, old: &str, new: &str) -> Control {
|
||||
Control::Continue
|
||||
}
|
||||
|
||||
fn ports_connected (&mut self, _: &Client, id_a: PortId, id_b: PortId, are: bool) {
|
||||
}
|
||||
|
||||
fn graph_reorder (&mut self, _: &Client) -> Control {
|
||||
Control::Continue
|
||||
}
|
||||
|
||||
fn xrun (&mut self, _: &Client) -> Control {
|
||||
Control::Continue
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1,209 +0,0 @@
|
|||
mod handle;
|
||||
mod jack;
|
||||
mod render;
|
||||
pub use self::handle::*;
|
||||
pub use self::jack::*;
|
||||
pub use self::render::*;
|
||||
use crate::prelude::*;
|
||||
|
||||
pub const ACTIONS: [(&'static str, &'static str);4] = [
|
||||
("+/-", "Zoom"),
|
||||
("A/D", "Add/delete note"),
|
||||
("]/[", "Duration"),
|
||||
("CapsLock", "Auto advance"),
|
||||
];
|
||||
|
||||
pub struct Sequencer {
|
||||
exited: Arc<AtomicBool>,
|
||||
cursor: (u16, u16, u16),
|
||||
sequence: Arc<Mutex<Vec<Vec<Option<Event>>>>>,
|
||||
transport: ::jack::Transport,
|
||||
bpm: f64,
|
||||
timesig: (f32, f32),
|
||||
pub jack_client: Jack<self::jack::Notifications>,
|
||||
}
|
||||
|
||||
#[derive(Clone)]
|
||||
pub enum Event {
|
||||
NoteOn(u8, u8),
|
||||
NoteOff(u8)
|
||||
}
|
||||
|
||||
impl Sequencer {
|
||||
|
||||
pub fn new () -> Result<Self, Box<dyn Error>> {
|
||||
let exited = Arc::new(AtomicBool::new(false));
|
||||
let sequence: Arc<Mutex<Vec<Vec<Option<Event>>>>> =
|
||||
Arc::new(Mutex::new(vec![vec![None;64];128]));
|
||||
let (client, _status) = Client::new(
|
||||
"blinkenlive-sequencer",
|
||||
ClientOptions::NO_START_SERVER
|
||||
)?;
|
||||
let transport = client.transport();
|
||||
let mut port = client.register_port("sequence", ::jack::MidiOut::default())?;
|
||||
let beats = 4;
|
||||
let steps = 16;
|
||||
let bpm = 120;
|
||||
let rate = 44100; // Hz
|
||||
let frame = 1f64 / rate as f64; // msec
|
||||
let buf = 512; // frames
|
||||
let t_beat = 60.0 / bpm as f64; // msec
|
||||
let t_loop = t_beat * beats as f64; // msec
|
||||
let t_step = t_beat / steps as f64; // msec
|
||||
let mut step_frames = vec![];
|
||||
for step in 0..beats*steps {
|
||||
let step_index = (step as f64 * t_step / frame) as usize;
|
||||
step_frames.push(step_index);
|
||||
}
|
||||
let loop_frames = (t_loop*rate as f64) as usize;
|
||||
let mut frame_steps: Vec<Option<usize>> = vec![None;loop_frames];
|
||||
for (index, frame) in step_frames.iter().enumerate() {
|
||||
frame_steps[*frame] = Some(index);
|
||||
}
|
||||
let handler: BoxedProcessHandler = Box::new({
|
||||
let transport = client.transport();
|
||||
let exited = exited.clone();
|
||||
let sequence = sequence.clone();
|
||||
move |client: &Client, scope: &ProcessScope| -> Control {
|
||||
if exited.fetch_and(true, Ordering::Relaxed) {
|
||||
return Control::Quit
|
||||
}
|
||||
if transport.query_state().unwrap() == TransportState::Rolling {
|
||||
let chunk_start = scope.last_frame_time();
|
||||
let chunk_size = scope.n_frames();
|
||||
let chunk_end = chunk_start + chunk_size;
|
||||
let start_looped = chunk_start as usize % loop_frames;
|
||||
let end_looped = chunk_end as usize % loop_frames;
|
||||
let mut writer = port.writer(scope);
|
||||
let sequence = sequence.lock().unwrap();
|
||||
for frame in 0..chunk_size {
|
||||
let value = frame_steps[(start_looped + frame as usize) % loop_frames];
|
||||
if let Some(step) = value {
|
||||
for track in sequence.iter() {
|
||||
for event in track[step].iter() {
|
||||
writer.write(&::jack::RawMidi {
|
||||
time: frame as u32,
|
||||
bytes: &match event {
|
||||
Event::NoteOn(pitch, velocity) => [
|
||||
0b10010000,
|
||||
*pitch,
|
||||
*velocity
|
||||
],
|
||||
Event::NoteOff(pitch) => [
|
||||
0b10000000,
|
||||
*pitch,
|
||||
0b00000000
|
||||
],
|
||||
}
|
||||
}).unwrap()
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Control::Continue
|
||||
}
|
||||
});
|
||||
Ok(Self {
|
||||
exited,
|
||||
cursor: (0, 0, 0),
|
||||
transport,
|
||||
sequence,
|
||||
bpm: 120.0,
|
||||
timesig: (4.0, 4.0),
|
||||
jack_client: client.activate_async(
|
||||
self::jack::Notifications,
|
||||
ClosureProcessHandler::new(handler)
|
||||
)?
|
||||
})
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
impl Exitable for Sequencer {
|
||||
fn exit (&mut self) {
|
||||
self.exited.store(true, Ordering::Relaxed)
|
||||
}
|
||||
fn exited (&self) -> bool {
|
||||
self.exited.fetch_and(true, Ordering::Relaxed)
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod test {
|
||||
#[test]
|
||||
fn test_midi_frames () {
|
||||
let beats = 4;
|
||||
let steps = 16;
|
||||
let bpm = 120;
|
||||
let rate = 44100; // Hz
|
||||
let frame = 1f64 / rate as f64; // msec
|
||||
let buf = 512; // frames
|
||||
let t_beat = 60.0 / bpm as f64; // msec
|
||||
let t_loop = t_beat * beats as f64; // msec
|
||||
let t_step = t_beat / steps as f64; // msec
|
||||
|
||||
let assign = |chunk: usize| {
|
||||
let start = chunk * buf; // frames
|
||||
let end = (chunk + 1) * buf; // frames
|
||||
println!("{chunk}: {start} .. {end}");
|
||||
let mut steps: Vec<(usize, usize, f64)> = vec![];
|
||||
for frame_index in start..end {
|
||||
let frame_msec = frame_index as f64 * frame;
|
||||
let offset = (frame_msec * 1000.0) % (t_step * 1000.0);
|
||||
if offset < 0.1 {
|
||||
let time = frame_index - start;
|
||||
let step_index = (frame_msec % t_loop / t_step) as usize;
|
||||
println!("{chunk}: {frame_index} ({time}) -> {step_index} ({frame_msec} % {t_step} = {offset})");
|
||||
steps.push((time, step_index, offset));
|
||||
}
|
||||
}
|
||||
steps
|
||||
};
|
||||
|
||||
for chunk in 0..10 {
|
||||
let chunk = assign(chunk);
|
||||
//println!("{chunk} {:#?}", assign(chunk));
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_midi_frames_2 () {
|
||||
let beats = 4;
|
||||
let steps = 16;
|
||||
let bpm = 120;
|
||||
let rate = 44100; // Hz
|
||||
let frame = 1f64 / rate as f64; // msec
|
||||
let buf = 512; // frames
|
||||
let t_beat = 60.0 / bpm as f64; // msec
|
||||
let t_loop = t_beat * beats as f64; // msec
|
||||
let t_step = t_beat / steps as f64; // msec
|
||||
let mut step_frames = vec![];
|
||||
for step in 0..beats*steps {
|
||||
let step_index = (step as f64 * t_step / frame) as usize;
|
||||
step_frames.push(step_index);
|
||||
}
|
||||
let loop_frames = (t_loop*rate as f64) as usize;
|
||||
let mut frame_steps: Vec<Option<usize>> = vec![None;loop_frames];
|
||||
for (index, frame) in step_frames.iter().enumerate() {
|
||||
println!("{index} {frame}");
|
||||
frame_steps[*frame] = Some(index);
|
||||
}
|
||||
let assign = |chunk: usize| {
|
||||
let (start, end) = (chunk * buf, (chunk + 1) * buf); // frames
|
||||
let (start_looped, end_looped) = (start % loop_frames, end % loop_frames);
|
||||
println!("{chunk}: {start} .. {end} ({start_looped} .. {end_looped})");
|
||||
let mut steps: Vec<Option<usize>> = vec![None;buf];
|
||||
for frame in 0..buf {
|
||||
let value = frame_steps[(start_looped + frame) as usize % loop_frames];
|
||||
if value.is_some() { println!("{frame:03} = {value:?}, ") };
|
||||
steps[frame as usize] = value;
|
||||
}
|
||||
steps
|
||||
};
|
||||
for chunk in 0..1000 {
|
||||
let chunk = assign(chunk);
|
||||
//println!("{chunk} {:#?}", assign(chunk));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,193 +0,0 @@
|
|||
use crate::prelude::*;
|
||||
use super::Sequencer;
|
||||
use ratatui::style::Stylize;
|
||||
|
||||
const NOTE_NAMES: [&'static str;12] = [
|
||||
"C ", "C#", "D ", "D#", "E ", "F ", "F#", "G ", "G#", "A ", "A#", "B ",
|
||||
];
|
||||
|
||||
const KEYS: [&'static str; 6] = [
|
||||
"▀",
|
||||
"▀",
|
||||
"▀",
|
||||
"█",
|
||||
"▄",
|
||||
"▄",
|
||||
];
|
||||
|
||||
impl WidgetRef for Sequencer {
|
||||
fn render_ref (&self, area: Rect, buf: &mut Buffer) {
|
||||
render_sequence_header(area, buf);
|
||||
render_sequence_keys(area, buf, &self.transport.query().unwrap(), &self.sequence);
|
||||
render_sequence_cursor(area, buf, self.cursor);
|
||||
let cursor = self.cursor;
|
||||
}
|
||||
}
|
||||
|
||||
fn render_sequence_header (
|
||||
area: Rect, buf: &mut Buffer
|
||||
) {
|
||||
buf.set_string(area.x, area.y, "1.1.", Style::default().dim());
|
||||
buf.set_string(area.x + 16, area.y, "1.2.", Style::default().dim());
|
||||
buf.set_string(area.x + 32, area.y, "1.3.", Style::default().dim());
|
||||
buf.set_string(area.x + 48, area.y, "1.4.", Style::default().dim());
|
||||
}
|
||||
|
||||
fn render_sequence_keys (
|
||||
area: Rect,
|
||||
buf: &mut Buffer,
|
||||
transport: &::jack::TransportStatePosition,
|
||||
sequence: &Arc<Mutex<Vec<Vec<Option<super::Event>>>>>
|
||||
) {
|
||||
//let transport = state.transport.query()?;
|
||||
let frame = transport.pos.frame();
|
||||
let rate = transport.pos.frame_rate().unwrap();
|
||||
let second = (frame as f64) / (rate as f64);
|
||||
let minute = second / 60f64;
|
||||
let bpm = 120f64;
|
||||
let div = 4;
|
||||
let beats = minute * bpm;
|
||||
let bars = beats as u32 / div as u32;
|
||||
let beat = beats as u32 % div as u32 + 1;
|
||||
let beat_sub = beats % 1.0;
|
||||
|
||||
let sequence = sequence.lock().unwrap();
|
||||
|
||||
for key in 0..12 {
|
||||
buf.set_string(area.x - 3, area.y + 1 + key, KEYS[(key % 6) as usize],
|
||||
Style::default().dim());
|
||||
buf.set_string(area.x - 2, area.y + 1 + key, "█",
|
||||
Style::default().dim());
|
||||
buf.set_string(area.x, area.y + 1 + key, "·".repeat(64),
|
||||
Style::default().black().dim());
|
||||
buf.set_string(area.x, area.y + 1 + key, "┊",
|
||||
Style::default().black().dim());
|
||||
buf.set_string(area.x + 16, area.y + 1 + key, "┊",
|
||||
Style::default().black().dim());
|
||||
buf.set_string(area.x + 32, area.y + 1 + key, "┊",
|
||||
Style::default().black().dim());
|
||||
buf.set_string(area.x + 48, area.y + 1 + key, "┊",
|
||||
Style::default().black().dim());
|
||||
for step in 0..64 {
|
||||
|
||||
//let bg = if x as u32 == (beat - 1) * 16 + (beat_sub * 16.0) as u32 {
|
||||
//crossterm::style::Color::Black
|
||||
//} else {
|
||||
//crossterm::style::Color::Reset
|
||||
//};
|
||||
|
||||
let top = sequence[(key * 2) as usize][step].is_some();
|
||||
let bottom = sequence[(key * 2 + 1) as usize][step].is_some();
|
||||
match (top, bottom) {
|
||||
(true, true) => {
|
||||
buf.set_string(area.x + step as u16, area.y + 1 + key, "█",
|
||||
Style::default().yellow().bold());
|
||||
},
|
||||
(true, false) => {
|
||||
buf.set_string(area.x + step as u16, area.y + 1 + key, "▀",
|
||||
Style::default().yellow().bold());
|
||||
},
|
||||
(false, true) => {
|
||||
buf.set_string(area.x + step as u16, area.y + 1 + key, "▄",
|
||||
Style::default().yellow().bold());
|
||||
},
|
||||
(false, false) => {},
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn render_sequence_cursor (
|
||||
area: Rect, buf: &mut Buffer, cursor: (u16, u16, u16)
|
||||
) {
|
||||
let cursor_character = match cursor.0 % 2 {
|
||||
0 => "▀",
|
||||
1 => "▄",
|
||||
_ => unreachable!()
|
||||
};
|
||||
let cursor_y = cursor.0 / 2;
|
||||
buf.set_string(area.x + cursor.1, area.y + 1 + cursor_y, if cursor.2 == 0 {
|
||||
cursor_character.into()
|
||||
} else {
|
||||
cursor_character.repeat(cursor.2 as usize)
|
||||
}, Style::default().yellow());
|
||||
}
|
||||
|
||||
//pub fn render (
|
||||
//state: &mut Sequencer,
|
||||
//stdout: &mut Stdout,
|
||||
//offset: (u16, u16)
|
||||
//) -> Result<(), Box<dyn Error>> {
|
||||
////render_toolbar(state, stdout, offset)?;
|
||||
//render_grid(state, stdout, offset)?;
|
||||
//render_events(state, stdout, offset)?;
|
||||
//Ok(())
|
||||
//}
|
||||
|
||||
//fn render_grid (
|
||||
//state: &mut Sequencer,
|
||||
//stdout: &mut Stdout,
|
||||
//offset: (u16, u16)
|
||||
//) -> Result<(), Box<dyn Error>> {
|
||||
//let move_to = |col, row| crossterm::cursor::MoveTo(offset.0 + col, offset.1 + row);
|
||||
//let cursor: String = if state.cursor.2 == 0 {
|
||||
//"❱".into()
|
||||
//} else {
|
||||
//std::iter::repeat("·")
|
||||
//.take(state.cursor.2 as usize)
|
||||
//.collect()
|
||||
//};
|
||||
//let transport = state.transport.query()?;
|
||||
//let frame = transport.pos.frame();
|
||||
//let rate = transport.pos.frame_rate().unwrap();
|
||||
//let second = (frame as f64) / (rate as f64);
|
||||
//let minute = second / 60f64;
|
||||
//let bpm = 120f64;
|
||||
//let div = 4;
|
||||
//let beats = minute * bpm;
|
||||
//let bars = beats as u32 / div as u32;
|
||||
//let beat = beats as u32 % div as u32 + 1;
|
||||
//let beat_sub = beats % 1.0;
|
||||
//stdout
|
||||
//.queue(move_to(1, 3))?.queue(Print("1.1"))?
|
||||
//.queue(move_to(17, 3))?.queue(Print("1.2"))?
|
||||
//.queue(move_to(33, 3))?.queue(Print("1.3"))?
|
||||
//.queue(move_to(49, 3))?.queue(Print("1.4"))?;
|
||||
//let sequence = state.sequence.lock().unwrap();
|
||||
//for (index, row) in sequence.iter().enumerate() {
|
||||
//let y = index as u16 + 4;
|
||||
//for x in 0u16..64 {
|
||||
//let bg = if x as u32 == (beat - 1) * 16 + (beat_sub * 16.0) as u32 {
|
||||
//crossterm::style::Color::Black
|
||||
//} else {
|
||||
//crossterm::style::Color::Reset
|
||||
//};
|
||||
//if let Some(step) = &row[x as usize] {
|
||||
//stdout.queue(move_to(1 + x, y))?.queue(
|
||||
//PrintStyledContent("X".white().bold().on(bg))
|
||||
//)?;
|
||||
//} else if x % 16 == 0 {
|
||||
//stdout.queue(move_to(1 + x, y))?.queue(
|
||||
//PrintStyledContent("┊".grey().on(bg))
|
||||
//)?;
|
||||
//} else {
|
||||
//stdout.queue(move_to(1 + x, y))?.queue(
|
||||
//PrintStyledContent("·".grey().on(bg))
|
||||
//)?;
|
||||
//}
|
||||
//}
|
||||
//}
|
||||
//stdout
|
||||
//.queue(move_to(1 + state.cursor.1, 4 + state.cursor.0))?
|
||||
//.queue(PrintStyledContent(cursor.reverse()))?;
|
||||
//Ok(())
|
||||
//}
|
||||
|
||||
//fn render_events (
|
||||
//state: &mut Sequencer,
|
||||
//stdout: &mut Stdout,
|
||||
//offset: (u16, u16)
|
||||
//) -> Result<(), Box<dyn Error>> {
|
||||
//Ok(())
|
||||
//}
|
||||
|
||||
242
src/transport.rs
Normal file
242
src/transport.rs
Normal file
|
|
@ -0,0 +1,242 @@
|
|||
use crate::prelude::*;
|
||||
|
||||
pub const ACTIONS: [(&'static str, &'static str);4] = [
|
||||
("?", "Toggle help"),
|
||||
("(Shift-)Tab", "Switch pane"),
|
||||
("Arrows", "Navigate"),
|
||||
("(Shift-)Space", "⯈ Play/pause"),
|
||||
];
|
||||
|
||||
pub struct Transport {
|
||||
exited: bool,
|
||||
title: String,
|
||||
transport: ::jack::Transport,
|
||||
bpm: f64,
|
||||
timesig: (f32, f32),
|
||||
}
|
||||
|
||||
impl Transport {
|
||||
pub fn new (client: &Client) -> Result<Self, Box<dyn Error>> {
|
||||
let transport = client.transport();
|
||||
Ok(Self {
|
||||
exited: false,
|
||||
title: String::from("Untitled project"),
|
||||
bpm: 113.0,
|
||||
timesig: (4.0, 4.0),
|
||||
transport,
|
||||
})
|
||||
}
|
||||
|
||||
pub fn play_from_start_or_stop_and_rewind (&mut self) {
|
||||
}
|
||||
|
||||
pub fn play_or_pause (&mut self) -> Result<(), Box<dyn Error>> {
|
||||
match self.transport.query_state()? {
|
||||
TransportState::Stopped => self.play(),
|
||||
TransportState::Rolling => self.stop(),
|
||||
_ => Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
pub fn play (&mut self) -> Result<(), Box<dyn Error>> {
|
||||
Ok(self.transport.start()?)
|
||||
}
|
||||
|
||||
pub fn stop (&mut self) -> Result<(), Box<dyn Error>> {
|
||||
Ok(self.transport.stop()?)
|
||||
}
|
||||
}
|
||||
|
||||
impl Exitable for Transport {
|
||||
fn exit (&mut self) {
|
||||
self.exited = true
|
||||
}
|
||||
fn exited (&self) -> bool {
|
||||
self.exited
|
||||
}
|
||||
}
|
||||
|
||||
impl WidgetRef for Transport {
|
||||
fn render_ref (&self, area: Rect, buf: &mut Buffer) {
|
||||
use ratatui::{layout::*, widgets::*, style::Stylize};
|
||||
draw_leaf(buf, area, 0, 0, "REC");
|
||||
draw_leaf(buf, area, 0, 5, "DUB");
|
||||
draw_leaf(buf, area, 0, 10, "STOP");
|
||||
draw_leaf(buf, area, 0, 16, "PLAY/PAUSE");
|
||||
draw_leaf(buf, area, 0, 28, "START");
|
||||
draw_leaf(buf, area, 0, 35, "Project: Witty Gerbil - Sha Na Na ");
|
||||
let position = self.transport.query().expect("failed to query transport");
|
||||
draw_leaf(buf, area, 2, 0, &format!(
|
||||
"BPM {:03}.{:03}",
|
||||
self.bpm as u64,
|
||||
((self.bpm % 1.0) * 1000.0) as u64
|
||||
));
|
||||
//let bbt = position.pos.bbt().map(|mut bbt|*bbt
|
||||
//.with_bpm(self.bpm)
|
||||
//.with_timesig(self.timesig.0, self.timesig.1));
|
||||
//.unwrap();
|
||||
draw_leaf(buf, area, 2, 13, &format!("BBT {}.{}.{}",
|
||||
0,
|
||||
0,
|
||||
0,
|
||||
));
|
||||
let rate = position.pos.frame_rate().unwrap();
|
||||
let frame = position.pos.frame();
|
||||
let time = frame as f64 / rate as f64;
|
||||
let seconds = time % 60.0;
|
||||
let msec = seconds % 1.0;
|
||||
let minutes = (time / 60.0) % 60.0;
|
||||
let hours = time / 3600.0;
|
||||
draw_leaf(buf, area, 2, 27, &format!(
|
||||
"Time {:02}:{:02}:{:02}.{:03}",
|
||||
hours as u64,
|
||||
minutes as u64,
|
||||
seconds as u64,
|
||||
(msec * 1000.0) as u64
|
||||
));
|
||||
draw_leaf(buf, area, 2, 46, &format!("Rate {:>6}Hz", rate));
|
||||
draw_leaf(buf, area, 2, 61, &format!("Frame {:>12}", frame));
|
||||
//Line::from("Project:").render(area, buf);
|
||||
//if let Ok(position) = self.transport.query() {
|
||||
//let frame = position.pos.frame();
|
||||
//let rate = position.pos.frame_rate();
|
||||
//let bbt = position.pos.bbt().map(|mut bbt|*bbt
|
||||
//.with_bpm(self.bpm)
|
||||
//.with_timesig(self.timesig.0, self.timesig.1));
|
||||
//Line::from("Frame:").render(area.clone().offset(Offset { x: 0, y: 1 }), buf);
|
||||
//Line::from(format!("{frame}")).render(area.clone().offset(Offset { x: 0, y: 2 }), buf);
|
||||
//Line::from("Rate:").render(area.clone().offset(Offset { x: 10, y: 1 }), buf);
|
||||
//Line::from(match rate {
|
||||
//Some(rate) => format!("{rate}Hz"),
|
||||
//None => String::from("(none)"),
|
||||
//}).render(area.clone().offset(Offset { x: 10, y: 2 }), buf);
|
||||
//Line::from("Time:").render(area.clone().offset(Offset { x: 20, y: 1 }), buf);
|
||||
//Line::from(match rate {
|
||||
//Some(rate) => format!("{:.03}", frame as f64 / rate as f64),
|
||||
//None => String::from("(none)")
|
||||
//}).render(area.clone().offset(Offset { x: 20, y: 2 }), buf);
|
||||
//Line::from("BPM:").render(area.clone().offset(Offset { x: 30, y: 1 }), buf);
|
||||
//Line::from(match bbt {
|
||||
//Some(bbt) => format!("{:.01}", bbt.bpm),
|
||||
//None => String::from("(none)")
|
||||
//}).render(area.clone().offset(Offset { x: 30, y: 2 }), buf);
|
||||
//Line::from("TimeSig:").render(area.clone().offset(Offset { x: 40, y: 1 }), buf);
|
||||
//Line::from(match bbt {
|
||||
//Some(bbt) => format!("{}/{}", bbt.sig_num, bbt.sig_denom),
|
||||
//None => String::from("(none)")
|
||||
//}).render(area.clone().offset(Offset { x: 40, y: 2 }), buf);
|
||||
//Line::from("Beat:").render(area.clone().offset(Offset { x: 50, y: 1 }), buf);
|
||||
//Line::from(match bbt {
|
||||
//Some(bbt) => format!("{}.{}.{}", bbt.bar, bbt.beat, bbt.tick),
|
||||
//None => String::from("(none)")
|
||||
//}).render(area.clone().offset(Offset { x: 50, y: 2 }), buf);
|
||||
//}
|
||||
}
|
||||
}
|
||||
|
||||
//pub fn render (
|
||||
//state: &mut Transport,
|
||||
//stdout: &mut Stdout,
|
||||
//mut offset: (u16, u16)
|
||||
//) -> Result<(), Box<dyn Error>> {
|
||||
//let move_to = |col, row| MoveTo(offset.0 + col, offset.1 + row);
|
||||
//stdout.queue(move_to( 1, 0))?.queue(
|
||||
//Print("Project: ")
|
||||
//)?.queue(move_to(10, 0))?.queue(
|
||||
//PrintStyledContent(state.title.clone().white().bold())
|
||||
//)?;
|
||||
|
||||
//if let Ok(position) = state.transport.query() {
|
||||
//let frame = position.pos.frame();
|
||||
//let rate = position.pos.frame_rate();
|
||||
//let bbt = position.pos.bbt().map(|mut bbt|*bbt
|
||||
//.with_bpm(state.bpm)
|
||||
//.with_timesig(state.timesig.0, state.timesig.1));
|
||||
//stdout
|
||||
//.queue(move_to( 1, 1))?.queue(Print("Frame: "))?
|
||||
//.queue(move_to( 1, 2))?.queue(
|
||||
//PrintStyledContent(
|
||||
//format!("{frame}").white().bold(),
|
||||
//))?
|
||||
//.queue(move_to(11, 1))?.queue(Print("Rate: "))?
|
||||
//.queue(move_to(11, 2))?.queue(
|
||||
//PrintStyledContent(match rate {
|
||||
//Some(rate) => format!("{rate}Hz"),
|
||||
//None => String::from("(none)"),
|
||||
//}.white().bold())
|
||||
//)?
|
||||
//.queue(move_to(20, 1))?.queue(Print("Time: "))?
|
||||
//.queue(move_to(20, 2))?.queue(
|
||||
//PrintStyledContent(match rate {
|
||||
//Some(rate) => format!("{:.03}", frame as f64 / rate as f64),
|
||||
//None => String::from("(none)")
|
||||
//}.white().bold())
|
||||
//)?
|
||||
//.queue(move_to(30, 1))?.queue(Print("BPM: "))?
|
||||
//.queue(move_to(30, 2))?.queue(
|
||||
//PrintStyledContent(match bbt {
|
||||
//Some(bbt) => format!("{:.01}", bbt.bpm),
|
||||
//None => String::from("(none)")
|
||||
//}.white().bold())
|
||||
//)?
|
||||
//.queue(move_to(39, 1))?.queue(Print("Timesig: "))?
|
||||
//.queue(move_to(39, 2))?.queue(
|
||||
//PrintStyledContent(match bbt {
|
||||
//Some(bbt) => format!("{}/{}", bbt.sig_num, bbt.sig_denom),
|
||||
//None => String::from("(none)")
|
||||
//}.white().bold())
|
||||
//)?
|
||||
//.queue(move_to(50, 1))?.queue(Print("Beat: "))?
|
||||
//.queue(move_to(50, 2))?.queue(
|
||||
//PrintStyledContent(match bbt {
|
||||
//Some(bbt) => format!("{}.{}.{}", bbt.bar, bbt.beat, bbt.tick),
|
||||
//None => String::from("(none)")
|
||||
//}.white().bold())
|
||||
//)?;
|
||||
//}
|
||||
//Ok(())
|
||||
//}
|
||||
|
||||
impl HandleInput for self::Transport {
|
||||
fn handle (&mut self, event: &Event) -> Result<(), Box<dyn Error>> {
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
struct Notifications;
|
||||
|
||||
impl NotificationHandler for Notifications {
|
||||
fn thread_init (&self, _: &Client) {
|
||||
}
|
||||
|
||||
fn shutdown (&mut self, status: ClientStatus, reason: &str) {
|
||||
}
|
||||
|
||||
fn freewheel (&mut self, _: &Client, is_enabled: bool) {
|
||||
}
|
||||
|
||||
fn sample_rate (&mut self, _: &Client, _: Frames) -> Control {
|
||||
Control::Quit
|
||||
}
|
||||
|
||||
fn client_registration (&mut self, _: &Client, name: &str, is_reg: bool) {
|
||||
}
|
||||
|
||||
fn port_registration (&mut self, _: &Client, port_id: PortId, is_reg: bool) {
|
||||
}
|
||||
|
||||
fn port_rename (&mut self, _: &Client, id: PortId, old: &str, new: &str) -> Control {
|
||||
Control::Continue
|
||||
}
|
||||
|
||||
fn ports_connected (&mut self, _: &Client, id_a: PortId, id_b: PortId, are: bool) {
|
||||
}
|
||||
|
||||
fn graph_reorder (&mut self, _: &Client) -> Control {
|
||||
Control::Continue
|
||||
}
|
||||
|
||||
fn xrun (&mut self, _: &Client) -> Control {
|
||||
Control::Continue
|
||||
}
|
||||
}
|
||||
|
|
@ -1,8 +0,0 @@
|
|||
use crate::prelude::*;
|
||||
use super::*;
|
||||
|
||||
impl HandleInput for super::Transport {
|
||||
fn handle (&mut self, event: &Event) -> Result<(), Box<dyn Error>> {
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
|
@ -1,40 +0,0 @@
|
|||
use crate::prelude::*;
|
||||
|
||||
struct Notifications;
|
||||
|
||||
impl NotificationHandler for Notifications {
|
||||
fn thread_init (&self, _: &Client) {
|
||||
}
|
||||
|
||||
fn shutdown (&mut self, status: ClientStatus, reason: &str) {
|
||||
}
|
||||
|
||||
fn freewheel (&mut self, _: &Client, is_enabled: bool) {
|
||||
}
|
||||
|
||||
fn sample_rate (&mut self, _: &Client, _: Frames) -> Control {
|
||||
Control::Quit
|
||||
}
|
||||
|
||||
fn client_registration (&mut self, _: &Client, name: &str, is_reg: bool) {
|
||||
}
|
||||
|
||||
fn port_registration (&mut self, _: &Client, port_id: PortId, is_reg: bool) {
|
||||
}
|
||||
|
||||
fn port_rename (&mut self, _: &Client, id: PortId, old: &str, new: &str) -> Control {
|
||||
Control::Continue
|
||||
}
|
||||
|
||||
fn ports_connected (&mut self, _: &Client, id_a: PortId, id_b: PortId, are: bool) {
|
||||
}
|
||||
|
||||
fn graph_reorder (&mut self, _: &Client) -> Control {
|
||||
Control::Continue
|
||||
}
|
||||
|
||||
fn xrun (&mut self, _: &Client) -> Control {
|
||||
Control::Continue
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1,63 +0,0 @@
|
|||
mod handle;
|
||||
mod jack;
|
||||
mod render;
|
||||
pub use self::handle::*;
|
||||
pub use self::jack::*;
|
||||
pub use self::render::*;
|
||||
use crate::prelude::*;
|
||||
|
||||
pub const ACTIONS: [(&'static str, &'static str);4] = [
|
||||
("?", "Toggle help"),
|
||||
("(Shift-)Tab", "Switch pane"),
|
||||
("Arrows", "Navigate"),
|
||||
("(Shift-)Space", "⯈ Play/pause"),
|
||||
];
|
||||
|
||||
pub struct Transport {
|
||||
exited: bool,
|
||||
title: String,
|
||||
transport: ::jack::Transport,
|
||||
bpm: f64,
|
||||
timesig: (f32, f32),
|
||||
}
|
||||
|
||||
impl Transport {
|
||||
pub fn new (client: &Client) -> Result<Self, Box<dyn Error>> {
|
||||
let transport = client.transport();
|
||||
Ok(Self {
|
||||
exited: false,
|
||||
title: String::from("Untitled project"),
|
||||
bpm: 93.0,
|
||||
timesig: (4.0, 4.0),
|
||||
transport,
|
||||
})
|
||||
}
|
||||
|
||||
pub fn play_from_start_or_stop_and_rewind (&mut self) {
|
||||
}
|
||||
|
||||
pub fn play_or_pause (&mut self) -> Result<(), Box<dyn Error>> {
|
||||
match self.transport.query_state()? {
|
||||
TransportState::Stopped => self.play(),
|
||||
TransportState::Rolling => self.stop(),
|
||||
_ => Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
pub fn play (&mut self) -> Result<(), Box<dyn Error>> {
|
||||
Ok(self.transport.start()?)
|
||||
}
|
||||
|
||||
pub fn stop (&mut self) -> Result<(), Box<dyn Error>> {
|
||||
Ok(self.transport.stop()?)
|
||||
}
|
||||
}
|
||||
|
||||
impl Exitable for Transport {
|
||||
fn exit (&mut self) {
|
||||
self.exited = true
|
||||
}
|
||||
fn exited (&self) -> bool {
|
||||
self.exited
|
||||
}
|
||||
}
|
||||
|
|
@ -1,106 +0,0 @@
|
|||
use crate::prelude::*;
|
||||
use super::{Transport, ACTIONS};
|
||||
|
||||
impl WidgetRef for Transport {
|
||||
fn render_ref (&self, area: Rect, buf: &mut Buffer) {
|
||||
use ratatui::{layout::*, widgets::*, style::Stylize};
|
||||
Line::from("Project:").render(area, buf);
|
||||
if let Ok(position) = self.transport.query() {
|
||||
let frame = position.pos.frame();
|
||||
let rate = position.pos.frame_rate();
|
||||
let bbt = position.pos.bbt().map(|mut bbt|*bbt
|
||||
.with_bpm(self.bpm)
|
||||
.with_timesig(self.timesig.0, self.timesig.1));
|
||||
Line::from("Frame:").render(area.clone().offset(Offset { x: 0, y: 1 }), buf);
|
||||
Line::from(format!("{frame}")).render(area.clone().offset(Offset { x: 0, y: 2 }), buf);
|
||||
Line::from("Rate:").render(area.clone().offset(Offset { x: 10, y: 1 }), buf);
|
||||
Line::from(match rate {
|
||||
Some(rate) => format!("{rate}Hz"),
|
||||
None => String::from("(none)"),
|
||||
}).render(area.clone().offset(Offset { x: 10, y: 2 }), buf);
|
||||
Line::from("Time:").render(area.clone().offset(Offset { x: 20, y: 1 }), buf);
|
||||
Line::from(match rate {
|
||||
Some(rate) => format!("{:.03}", frame as f64 / rate as f64),
|
||||
None => String::from("(none)")
|
||||
}).render(area.clone().offset(Offset { x: 20, y: 2 }), buf);
|
||||
Line::from("BPM:").render(area.clone().offset(Offset { x: 30, y: 1 }), buf);
|
||||
Line::from(match bbt {
|
||||
Some(bbt) => format!("{:.01}", bbt.bpm),
|
||||
None => String::from("(none)")
|
||||
}).render(area.clone().offset(Offset { x: 30, y: 2 }), buf);
|
||||
Line::from("TimeSig:").render(area.clone().offset(Offset { x: 40, y: 1 }), buf);
|
||||
Line::from(match bbt {
|
||||
Some(bbt) => format!("{}/{}", bbt.sig_num, bbt.sig_denom),
|
||||
None => String::from("(none)")
|
||||
}).render(area.clone().offset(Offset { x: 40, y: 2 }), buf);
|
||||
Line::from("Beat:").render(area.clone().offset(Offset { x: 50, y: 1 }), buf);
|
||||
Line::from(match bbt {
|
||||
Some(bbt) => format!("{}.{}.{}", bbt.bar, bbt.beat, bbt.tick),
|
||||
None => String::from("(none)")
|
||||
}).render(area.clone().offset(Offset { x: 50, y: 2 }), buf);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn render (
|
||||
state: &mut Transport,
|
||||
stdout: &mut Stdout,
|
||||
mut offset: (u16, u16)
|
||||
) -> Result<(), Box<dyn Error>> {
|
||||
let move_to = |col, row| MoveTo(offset.0 + col, offset.1 + row);
|
||||
stdout.queue(move_to( 1, 0))?.queue(
|
||||
Print("Project: ")
|
||||
)?.queue(move_to(10, 0))?.queue(
|
||||
PrintStyledContent(state.title.clone().white().bold())
|
||||
)?;
|
||||
|
||||
if let Ok(position) = state.transport.query() {
|
||||
let frame = position.pos.frame();
|
||||
let rate = position.pos.frame_rate();
|
||||
let bbt = position.pos.bbt().map(|mut bbt|*bbt
|
||||
.with_bpm(state.bpm)
|
||||
.with_timesig(state.timesig.0, state.timesig.1));
|
||||
stdout
|
||||
.queue(move_to( 1, 1))?.queue(Print("Frame: "))?
|
||||
.queue(move_to( 1, 2))?.queue(
|
||||
PrintStyledContent(
|
||||
format!("{frame}").white().bold(),
|
||||
))?
|
||||
.queue(move_to(11, 1))?.queue(Print("Rate: "))?
|
||||
.queue(move_to(11, 2))?.queue(
|
||||
PrintStyledContent(match rate {
|
||||
Some(rate) => format!("{rate}Hz"),
|
||||
None => String::from("(none)"),
|
||||
}.white().bold())
|
||||
)?
|
||||
.queue(move_to(20, 1))?.queue(Print("Time: "))?
|
||||
.queue(move_to(20, 2))?.queue(
|
||||
PrintStyledContent(match rate {
|
||||
Some(rate) => format!("{:.03}", frame as f64 / rate as f64),
|
||||
None => String::from("(none)")
|
||||
}.white().bold())
|
||||
)?
|
||||
.queue(move_to(30, 1))?.queue(Print("BPM: "))?
|
||||
.queue(move_to(30, 2))?.queue(
|
||||
PrintStyledContent(match bbt {
|
||||
Some(bbt) => format!("{:.01}", bbt.bpm),
|
||||
None => String::from("(none)")
|
||||
}.white().bold())
|
||||
)?
|
||||
.queue(move_to(39, 1))?.queue(Print("Timesig: "))?
|
||||
.queue(move_to(39, 2))?.queue(
|
||||
PrintStyledContent(match bbt {
|
||||
Some(bbt) => format!("{}/{}", bbt.sig_num, bbt.sig_denom),
|
||||
None => String::from("(none)")
|
||||
}.white().bold())
|
||||
)?
|
||||
.queue(move_to(50, 1))?.queue(Print("Beat: "))?
|
||||
.queue(move_to(50, 2))?.queue(
|
||||
PrintStyledContent(match bbt {
|
||||
Some(bbt) => format!("{}.{}.{}", bbt.bar, bbt.beat, bbt.tick),
|
||||
None => String::from("(none)")
|
||||
}.white().bold())
|
||||
)?;
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue