feat(tui): Customizable Themes (#2236)

* wip: add theme

* feat(theme): basic theming approach

* feat(theme): adds theming support

* fix: split out palette without compact inspector

* fix(theme): tidy up implementation

* fix(theme): correct yaml to toml

* fix(theme): typo in comments

* chore: cheer up clippy

* fix(themes): ensure tests cannot hit real loading directory

* chore: rustfmt

* chore: rebase

* feat(themes): add rgb hexcode support

* fix(theme): add tests

* fix(theme): use builtin log levels and correct debug test

* feat(theme): adds the ability to derive from a non-base theme

* fix(theme): warn if the in-file name of a theme does not match the filename

* chore: tidy for rustfmt and clippy

* chore: tidy for rustfmt and clippy

1 files changed, 27 insertions, 0 deletions

diff --git a/crates/atuin-client/src/settings.rs b/crates/atuin-client/src/settings.rs
index 05da636b..b64418cd 100644
--- a/crates/atuin-client/src/settings.rs
+++ b/crates/atuin-client/src/settings.rs
@@ -339,6 +339,18 @@ pub struct Preview {
 }
 
 #[derive(Clone, Debug, Deserialize, Serialize)]
+pub struct Theme {
+    /// Name of desired theme ("" for base)
+    pub name: String,
+
+    /// Whether any available additional theme debug should be shown
+    pub debug: Option<bool>,
+
+    /// How many levels of parenthood will be traversed if needed
+    pub max_depth: Option<u8>,
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
 pub struct Daemon {
     /// Use the daemon to sync
     /// If enabled, requires a running daemon with `atuin daemon`
@@ -366,6 +378,16 @@ impl Default for Preview {
     }
 }
 
+impl Default for Theme {
+    fn default() -> Self {
+        Self {
+            name: "".to_string(),
+            debug: None::<bool>,
+            max_depth: Some(10),
+        }
+    }
+}
+
 impl Default for Daemon {
     fn default() -> Self {
         Self {
@@ -458,6 +480,9 @@ pub struct Settings {
 
     #[serde(default)]
     pub daemon: Daemon,
+
+    #[serde(default)]
+    pub theme: Theme,
 }
 
 impl Settings {
@@ -727,6 +752,8 @@ impl Settings {
             .set_default("daemon.socket_path", socket_path.to_str())?
             .set_default("daemon.systemd_socket", false)?
             .set_default("daemon.tcp_port", 8889)?
+            .set_default("theme.name", "")?
+            .set_default("theme.debug", None::<bool>)?
             .set_default(
                 "prefers_reduced_motion",
                 std::env::var("NO_MOTION")