use colours from sway config while interpolating

src/main.rs

@@ -63,6 +63,8 @@ fn lab_de<'a, D: serde::Deserializer<'a>>(deserializer: D) -> Result<Lab, D::Err
 static CONFIG: tokio::sync::OnceCell<Config> = tokio::sync::OnceCell::const_new();
 
 static DEFAULT_COLOURS: tokio::sync::OnceCell<String> = tokio::sync::OnceCell::const_new();
+static DEFAULT_COLOURS_NO_INDICATOR: tokio::sync::OnceCell<String> =
+    tokio::sync::OnceCell::const_new();
 static DEFAULT_BORDER: tokio::sync::OnceCell<Lab> = tokio::sync::OnceCell::const_new();
 
 #[tokio::main]
@@ -153,6 +155,10 @@ async fn get_sway_config(
     DEFAULT_BORDER.set(parse_hex(default_border)?)?;
 
     DEFAULT_COLOURS.set(default_colours.to_string())?;
+    let mut split = default_colours.split_whitespace().collect::<Vec<_>>();
+    split.pop();
+    DEFAULT_COLOURS_NO_INDICATOR.set(split.join(" "))?;
+
     Ok(())
 }
 
@@ -177,7 +183,10 @@ async fn interpolate_task() -> Result<(), Box<dyn std::error::Error>> {
     );
 
     let mut c = config.flash_colour;
-    connection.run_command(set_command(&c)).await?;
+    {
+        let command = set_command(&c)?;
+        connection.run_command(command).await?;
+    }
     let dur_per_frame = std::time::Duration::from_secs_f64(1.0 / config.refresh_rate as f64);
 
     tokio::time::sleep(dur_per_frame * config.frames_delay).await;
@@ -185,7 +194,10 @@ async fn interpolate_task() -> Result<(), Box<dyn std::error::Error>> {
         c.l += d_l;
         c.a += d_a;
         c.b += d_b;
-        connection.run_command(set_command(&c)).await?;
+        {
+            let command = set_command(&c)?;
+            connection.run_command(command).await?;
+        }
         tokio::time::sleep(dur_per_frame).await;
     }
     connection
@@ -194,7 +206,10 @@ async fn interpolate_task() -> Result<(), Box<dyn std::error::Error>> {
     Ok(())
 }
 
-fn set_command(colour: &Lab) -> String {
+fn set_command(colour: &Lab) -> Result<String, Box<dyn std::error::Error>> {
     let [r, g, b] = colour.to_rgb();
-    format!("client.focused #000000 #88c0d0 #000000 #{r:02x}{g:02x}{b:02x}")
+    Ok(format!(
+        "{} #{r:02x}{g:02x}{b:02x}",
+        DEFAULT_COLOURS_NO_INDICATOR.get().ok_or(NoMatchingConfig)?
+    ))
 }