generate random color for each phrase

Cargo.lock

@@ -137,6 +137,15 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "approx"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cab112f0a86d568ea0e627cc1d6be74a1e9cd55214684db5561995f6dad897c6"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "arrayref"
 version = "0.3.8"
@@ -271,12 +280,24 @@ version = "3.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
 
+[[package]]
+name = "by_address"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64fa3c856b712db6612c019f14756e64e4bcea13337a6b33b696333a9eaa2d06"
+
 [[package]]
 name = "bytemuck"
 version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94bbb0ad554ad961ddc5da507a12a29b14e4ae5bda06b19f575a3e6079d2e2ae"
 
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
 [[package]]
 name = "bytes"
 version = "1.7.1"
@@ -673,6 +694,12 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af9673d8203fcb076b19dfd17e38b3d4ae9f44959416ea532ce72415a6020365"
 
+[[package]]
+name = "fast-srgb8"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd2e7510819d6fbf51a5545c8f922716ecfb14df168a3242f7d33e0239efe6a1"
+
 [[package]]
 name = "field-offset"
 version = "0.3.6"
@@ -1684,6 +1711,30 @@ dependencies = [
  "ttf-parser",
 ]
 
+[[package]]
+name = "palette"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cbf71184cc5ecc2e4e1baccdb21026c20e5fc3dcf63028a086131b3ab00b6e6"
+dependencies = [
+ "approx",
+ "fast-srgb8",
+ "palette_derive",
+ "phf",
+]
+
+[[package]]
+name = "palette_derive"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5030daf005bface118c096f510ffb781fc28f9ab6a32ab224d8631be6851d30"
+dependencies = [
+ "by_address",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.77",
+]
+
 [[package]]
 name = "pango"
 version = "0.18.3"
@@ -1769,6 +1820,48 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
+[[package]]
+name = "phf"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ade2d8b8f33c7333b51bcf0428d37e217e9f32192ae4772156f65063b8ce03dc"
+dependencies = [
+ "phf_macros",
+ "phf_shared",
+]
+
+[[package]]
+name = "phf_generator"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48e4cc64c2ad9ebe670cb8fd69dd50ae301650392e81c05f9bfcb2d5bdbc24b0"
+dependencies = [
+ "phf_shared",
+ "rand",
+]
+
+[[package]]
+name = "phf_macros"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3444646e286606587e49f3bcf1679b8cef1dc2c5ecc29ddacaffc305180d464b"
+dependencies = [
+ "phf_generator",
+ "phf_shared",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.77",
+]
+
+[[package]]
+name = "phf_shared"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90fcb95eef784c2ac79119d1dd819e162b5da872ce6f3c3abe1e8ca1c082f72b"
+dependencies = [
+ "siphasher",
+]
+
 [[package]]
 name = "pin-project"
 version = "1.1.5"
@@ -1822,6 +1915,15 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04"
+dependencies = [
+ "zerocopy",
+]
+
 [[package]]
 name = "prettyplease"
 version = "0.2.22"
@@ -1911,6 +2013,36 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "ratatui"
 version = "0.26.3"
@@ -2173,6 +2305,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "siphasher"
+version = "0.3.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38b58827f4464d87d377d175e90bf58eb00fd8716ff0a62f80356b5e61555d0d"
+
 [[package]]
 name = "slab"
 version = "0.4.9"
@@ -2554,6 +2692,8 @@ dependencies = [
 name = "tek_sequencer"
 version = "0.1.0"
 dependencies = [
+ "palette",
+ "rand",
  "tek_core",
  "uuid",
 ]
@@ -3365,6 +3505,7 @@ version = "0.7.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
 dependencies = [
+ "byteorder",
  "zerocopy-derive",
 ]
 

crates/tek_sequencer/Cargo.toml

@@ -6,6 +6,8 @@ version = "0.1.0"
 [dependencies]
 tek_core = { path = "../tek_core" }
 uuid = { version = "1.10.0", features = [ "v4" ] }
+palette = "0.7.6"
+rand = "0.8.5"
 
 [lib]
 path = "src/lib.rs"

crates/tek_sequencer/src/sequencer.rs

@@ -51,6 +51,8 @@ pub struct Phrase {
     pub loop_length: usize,
     /// All notes are displayed with minimum length
     pub percussive:  bool,
+    /// Identifying color of phrase
+    pub color:       Color,
 }
 /// Contains state for viewing and editing a phrase
 pub struct PhraseEditor<E: Engine> {
@@ -156,8 +158,25 @@ impl Default for Phrase {
 }
 impl Phrase {
     pub fn new (
-        name: &str, loop_on: bool, length: usize, notes: Option<PhraseData>
+        name:    &str,
+        loop_on: bool,
+        length:  usize,
+        notes:   Option<PhraseData>
     ) -> Self {
+        use rand::{thread_rng, prelude::*};
+        use palette::{*, convert::*, okhsl::*};
+        let mut rng = thread_rng();
+        let color: Okhsl<f32> = Okhsl::new(
+            rng.gen::<f32>() * 360f32 - 180f32,
+            rng.gen::<f32>() * 0.5 + 0.25,
+            rng.gen::<f32>() * 0.5 + 0.25,
+        );
+        let color: Srgb<f32> = Srgb::from_color_unclamped(color);
+        let color = Color::Rgb(
+            (color.red   * 255.0) as u8,
+            (color.green * 255.0) as u8,
+            (color.blue  * 255.0) as u8,
+        );
         Self {
             uuid:        uuid::Uuid::new_v4(),
             name:        Arc::new(RwLock::new(name.into())),
@@ -168,6 +187,7 @@ impl Phrase {
             loop_start:  0,
             loop_length: length,
             percussive:  true,
+            color
         }
     }
     pub fn toggle_loop (&mut self) {

crates/tek_sequencer/src/sequencer_tui.rs

@@ -44,16 +44,18 @@ impl Handle<Tui> for Sequencer<Tui> {
 impl Content for PhrasePool<Tui> {
     type Engine = Tui;
     fn content (&self) -> impl Widget<Engine = Tui> {
-        let content = col!((i, _) in self.phrases.iter().enumerate() =>
+        let content = col!(
-                Layers::new(|add|{
+            (i, phrase) in self.phrases.iter().enumerate() => Layers::new(|add|{
-                    add(&format!(" {i}").fixed_y(2).bg(if i == self.phrase {
+                let color = phrase.read().unwrap().color;
-                        Color::Rgb(40, 50, 30)
+                add(&format!(" {i}").fixed_y(2).bg(if i == self.phrase {
-                    } else {
+                    color //Color::Rgb(40, 50, 30)
-                        Color::Rgb(28, 35, 25)
+                } else {
-                    }))?;
+                    color //Color::Rgb(28, 35, 25)
-                    if self.focused && i == self.phrase { add(&CORNERS)?; }
+                }))?;
-                    Ok(())
+                if self.focused && i == self.phrase { add(&CORNERS)?; }
-                }))
+                Ok(())
+            })
+        )
             .fill_xy()
             .bg(Color::Rgb(28, 35, 25))
             .border(Lozenge(Style::default()