feat: add prefers_reduced_motion flag (#1645)

* feat: add prefers_reduced_motion flag

* use NO_MOTION, and ensure type is bool

* update default config

---------

Co-authored-by: Ellie Huxtable <ellie@elliehuxtable.com>

atuin-client/config.toml

@@ -148,6 +148,10 @@ enter_accept = true
 ## Timeout (in seconds) for acquiring a local database connection (sqlite)
 # local_timeout = 5
 
+## Set this to true and Atuin will minimize motion in the UI - timers will not update live, etc. 
+## Alternatively, set env NO_MOTION=true
+# prefers_reduced_motion = false
+
 #[stats]
 # Set commands where we should consider the subcommand for statistics. Eg, kubectl get vs just kubectl
 #common_subcommands = [

atuin-client/src/settings.rs

@@ -278,6 +278,7 @@ pub struct Settings {
     pub word_chars: String,
     pub scroll_context_lines: usize,
     pub history_format: String,
+    pub prefers_reduced_motion: bool,
 
     #[serde(with = "serde_regex", default = "RegexSet::empty")]
     pub history_filter: RegexSet,
@@ -524,6 +525,13 @@ impl Settings {
             .set_default("keymap_mode", "emacs")?
             .set_default("keymap_mode_shell", "auto")?
             .set_default("keymap_cursor", HashMap::<String, String>::new())?
+            .set_default(
+                "prefers_reduced_motion",
+                std::env::var("NO_MOTION")
+                    .ok()
+                    .map(|_| config::Value::new(None, config::ValueKind::Boolean(true)))
+                    .unwrap_or_else(|| config::Value::new(None, config::ValueKind::Boolean(false))),
+            )?
             .add_source(
                 Environment::with_prefix("atuin")
                     .prefix_separator("_")

atuin/src/command/client/search/history_list.rs

@@ -18,6 +18,7 @@ pub struct HistoryList<'a> {
     inverted: bool,
     /// Apply an alternative highlighting to the selected row
     alternate_highlight: bool,
+    now: &'a dyn Fn() -> OffsetDateTime,
 }
 
 #[derive(Default)]
@@ -68,6 +69,7 @@ impl<'a> StatefulWidget for HistoryList<'a> {
             state,
             inverted: self.inverted,
             alternate_highlight: self.alternate_highlight,
+            now: &self.now,
         };
 
         for item in self.history.iter().skip(state.offset).take(end - start) {
@@ -84,12 +86,18 @@ impl<'a> StatefulWidget for HistoryList<'a> {
 }
 
 impl<'a> HistoryList<'a> {
-    pub fn new(history: &'a [History], inverted: bool, alternate_highlight: bool) -> Self {
+    pub fn new(
+        history: &'a [History],
+        inverted: bool,
+        alternate_highlight: bool,
+        now: &'a dyn Fn() -> OffsetDateTime,
+    ) -> Self {
         Self {
             history,
             block: None,
             inverted,
             alternate_highlight,
+            now,
         }
     }
 
@@ -121,6 +129,7 @@ struct DrawState<'a> {
     state: &'a ListState,
     inverted: bool,
     alternate_highlight: bool,
+    now: &'a dyn Fn() -> OffsetDateTime,
 }
 
 // longest line prefix I could come up with
@@ -160,7 +169,7 @@ impl DrawState<'_> {
         // would fail.
         // If the timestamp would otherwise be in the future, display
         // the time since as 0.
-        let since = OffsetDateTime::now_utc() - h.timestamp;
+        let since = (self.now)() - h.timestamp;
         let time = format_duration(since.try_into().unwrap_or_default());
 
         // pad the time a little bit before we write. this aligns things nicely

atuin/src/command/client/search/interactive.rs

@@ -16,6 +16,7 @@ use crossterm::{
 use eyre::Result;
 use futures_util::FutureExt;
 use semver::Version;
+use time::OffsetDateTime;
 use unicode_width::UnicodeWidthStr;
 
 use atuin_client::{
@@ -69,6 +70,7 @@ pub struct State {
 
     search: SearchState,
     engine: Box<dyn SearchEngine>,
+    now: Box<dyn Fn() -> OffsetDateTime + Send>,
 }
 
 #[derive(Clone, Copy)]
@@ -550,7 +552,8 @@ impl State {
 
         match self.tab_index {
             0 => {
-                let results_list = Self::build_results_list(style, results, self.keymap_mode);
+                let results_list =
+                    Self::build_results_list(style, results, self.keymap_mode, &self.now);
                 f.render_stateful_widget(results_list, results_list_chunk, &mut self.results_state);
             }
 
@@ -652,13 +655,18 @@ impl State {
         stats
     }
 
-    fn build_results_list(
+    fn build_results_list<'a>(
         style: StyleState,
-        results: &[History],
+        results: &'a [History],
         keymap_mode: KeymapMode,
-    ) -> HistoryList<'_> {
-        let results_list =
-            HistoryList::new(results, style.invert, keymap_mode == KeymapMode::VimNormal);
+        now: &'a dyn Fn() -> OffsetDateTime,
+    ) -> HistoryList<'a> {
+        let results_list = HistoryList::new(
+            results,
+            style.invert,
+            keymap_mode == KeymapMode::VimNormal,
+            now,
+        );
 
         if style.compact {
             results_list
@@ -882,6 +890,12 @@ pub async fn history(
             value => value,
         },
         current_cursor: None,
+        now: if settings.prefers_reduced_motion {
+            let now = OffsetDateTime::now_utc();
+            Box::new(move || now)
+        } else {
+            Box::new(OffsetDateTime::now_utc)
+        },
     };
 
     app.initialize_keymap_cursor(settings);