Show emoji hash in nick list

CHANGELOG.md

@@ -15,6 +15,10 @@ Procedure when bumping the version number:
 
 ## Unreleased
 
+### Changed
+
+- Display emoji user id hashes in the nick list
+
 ## v0.9.3 - 2025-05-31
 
 ### Added

cove/src/euph/small_message.rs

@@ -1,5 +1,3 @@
-use std::hash::{DefaultHasher, Hash, Hasher};
-
 use crossterm::style::Stylize;
 use euphoxide::api::{MessageId, Snowflake, Time, UserId};
 use jiff::Timestamp;
@@ -77,11 +75,7 @@ impl Msg for SmallMessage {
     }
 
     fn nick_emoji(&self) -> Option<String> {
-        let mut hasher = DefaultHasher::new();
-        self.user_id.0.hash(&mut hasher);
-        let hash = hasher.finish();
-        let emoji = &util::EMOJI_LIST[hash as usize % util::EMOJI_LIST.len()];
-        Some(emoji.clone())
+        Some(util::user_id_emoji(&self.user_id))
     }
 }
 

cove/src/euph/util.rs

@@ -1,7 +1,11 @@
-use std::{collections::HashSet, sync::LazyLock};
+use std::{
+    collections::HashSet,
+    hash::{DefaultHasher, Hash, Hasher},
+    sync::LazyLock,
+};
 
 use crossterm::style::{Color, Stylize};
-use euphoxide::Emoji;
+use euphoxide::{Emoji, api::UserId};
 use toss::{Style, Styled};
 
 pub static EMOJI: LazyLock<Emoji> = LazyLock::new(Emoji::load);
@@ -82,3 +86,11 @@ pub fn style_mention_exact(mention: &str, base: Style) -> Styled {
         .expect("mention must start with @");
     Styled::new(mention, nick_style(nick, base))
 }
+
+pub fn user_id_emoji(user_id: &UserId) -> String {
+    let mut hasher = DefaultHasher::new();
+    user_id.0.hash(&mut hasher);
+    let hash = hasher.finish();
+    let emoji = &EMOJI_LIST[hash as usize % EMOJI_LIST.len()];
+    emoji.clone()
+}

cove/src/ui/chat.rs

@@ -58,6 +58,10 @@ impl<M: Msg, S: MsgStore<M> + Clone> ChatState<M, S> {
             store,
         }
     }
+
+    pub fn nick_emoji(&self) -> bool {
+        self.nick_emoji
+    }
 }
 
 impl<M: Msg, S: MsgStore<M>> ChatState<M, S> {

cove/src/ui/euph/nick_list.rs

@@ -22,9 +22,10 @@ pub fn widget<'a>(
     list: &'a mut ListState<SessionId>,
     joined: &Joined,
     focused: bool,
+    nick_emoji: bool,
 ) -> impl Widget<UiError> + use<'a> {
     let mut list_builder = ListBuilder::new();
-    render_rows(&mut list_builder, joined, focused);
+    render_rows(&mut list_builder, joined, focused, nick_emoji);
     list_builder.build(list)
 }
 
@@ -70,6 +71,7 @@ fn render_rows(
     list_builder: &mut ListBuilder<'_, SessionId, Background<Text>>,
     joined: &Joined,
     focused: bool,
+    nick_emoji: bool,
 ) {
     let mut people = vec![];
     let mut bots = vec![];
@@ -95,10 +97,38 @@ fn render_rows(
     lurkers.sort_unstable();
     nurkers.sort_unstable();
 
-    render_section(list_builder, "People", &people, &joined.session, focused);
-    render_section(list_builder, "Bots", &bots, &joined.session, focused);
-    render_section(list_builder, "Lurkers", &lurkers, &joined.session, focused);
-    render_section(list_builder, "Nurkers", &nurkers, &joined.session, focused);
+    render_section(
+        list_builder,
+        "People",
+        &people,
+        &joined.session,
+        focused,
+        nick_emoji,
+    );
+    render_section(
+        list_builder,
+        "Bots",
+        &bots,
+        &joined.session,
+        focused,
+        nick_emoji,
+    );
+    render_section(
+        list_builder,
+        "Lurkers",
+        &lurkers,
+        &joined.session,
+        focused,
+        nick_emoji,
+    );
+    render_section(
+        list_builder,
+        "Nurkers",
+        &nurkers,
+        &joined.session,
+        focused,
+        nick_emoji,
+    );
 }
 
 fn render_section(
@@ -107,6 +137,7 @@ fn render_section(
     sessions: &[HalfSession],
     own_session: &SessionView,
     focused: bool,
+    nick_emoji: bool,
 ) {
     if sessions.is_empty() {
         return;
@@ -124,7 +155,7 @@ fn render_section(
     list_builder.add_unsel(Text::new(row).background());
 
     for session in sessions {
-        render_row(list_builder, session, own_session, focused);
+        render_row(list_builder, session, own_session, focused, nick_emoji);
     }
 }
 
@@ -133,6 +164,7 @@ fn render_row(
     session: &HalfSession,
     own_session: &SessionView,
     focused: bool,
+    nick_emoji: bool,
 ) {
     let (name, style, style_inv, perms_style_inv) = if session.name.is_empty() {
         let name = "lurk".to_string();
@@ -166,16 +198,24 @@ fn render_row(
         " "
     };
 
+    let emoji = if nick_emoji {
+        format!(" ({})", euph::user_id_emoji(&session.id))
+    } else {
+        "".to_string()
+    };
+
     list_builder.add_sel(session.session_id.clone(), move |selected| {
         if focused && selected {
             let text = Styled::new_plain(owner)
                 .then(name, style_inv)
-                .then(perms, perms_style_inv);
+                .then(perms, perms_style_inv)
+                .then(emoji, perms_style_inv);
             Text::new(text).background().with_style(style_inv)
         } else {
             let text = Styled::new_plain(owner)
                 .then(&name, style)
-                .then_plain(perms);
+                .then_plain(perms)
+                .then_plain(emoji);
             Text::new(text).background()
         }
     });

cove/src/ui/euph/room.rs

@@ -291,11 +291,16 @@ impl EuphRoom {
         joined: &Joined,
         focus: Focus,
     ) -> BoxedAsync<'a, UiError> {
-        let nick_list_widget = nick_list::widget(nick_list, joined, focus == Focus::NickList)
-            .padding()
-            .with_right(1)
-            .border()
-            .desync();
+        let nick_list_widget = nick_list::widget(
+            nick_list,
+            joined,
+            focus == Focus::NickList,
+            chat.nick_emoji(),
+        )
+        .padding()
+        .with_right(1)
+        .border()
+        .desync();
 
         let chat_widget = chat.widget(joined.session.name.clone(), focus == Focus::Chat);