From c79447ddd08340eb42dabceac5214dfff65b94f4 Mon Sep 17 00:00:00 2001
From: Ultradesu <ultradesu@hexor.cy>
Date: Wed, 10 Jun 2026 23:46:19 +0100
Subject: [PATCH] Minor UI fixes.

---
 Cargo.lock       |  3 +-
 Cargo.toml       |  1 +
 src/ui/global.rs | 77 +++++++++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 79 insertions(+), 2 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index c7de43d..824523f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1180,7 +1180,7 @@ checksum = "42703706b716c37f96a77aea830392ad231f44c9e9a67872fa5548707e11b11c"
 
 [[package]]
 name = "furumi_tui"
-version = "0.1.0"
+version = "0.1.1"
 dependencies = [
  "anyhow",
  "arboard",
@@ -1204,6 +1204,7 @@ dependencies = [
  "toml",
  "tracing",
  "tracing-subscriber",
+ "unicode-width",
  "windows-sys 0.61.2",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 96aa214..62c4356 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,6 +28,7 @@ tokio = { version = "1.52.3", features = ["rt-multi-thread", "macros", "sync", "
 toml = "1.1.2"
 tracing = "0.1.44"
 tracing-subscriber = { version = "0.3.23", features = ["env-filter"] }
+unicode-width = "0.2.2"
 
 [target.'cfg(target_os="macos")'.dependencies]
 core-foundation = "0.10.1"
diff --git a/src/ui/global.rs b/src/ui/global.rs
index 4b0dd40..8648691 100644
--- a/src/ui/global.rs
+++ b/src/ui/global.rs
@@ -3,6 +3,7 @@ use ratatui::layout::{Alignment, Constraint, Layout, Rect};
 use ratatui::style::{Color, Style};
 use ratatui::text::{Line, Span};
 use ratatui::widgets::{Block, Paragraph, Row, Table};
+use unicode_width::{UnicodeWidthChar, UnicodeWidthStr};
 
 use super::{art, theme};
 use crate::api::models::{ArtistCard, ReleaseCard};
@@ -12,6 +13,10 @@ use crate::app::state::{
 };
 use crate::art::cache_key;
 
+const TILE_MARQUEE_STEP_MS: u128 = 250;
+const TILE_MARQUEE_PAUSE_STEPS: u128 = 4;
+const TILE_MARQUEE_GAP: &str = "   ";
+
 pub fn draw(frame: &mut Frame, area: Rect, state: &AppState) {
     match state.global.stack.last() {
         None => draw_grid(frame, area, state),
@@ -102,7 +107,10 @@ fn draw_tile(
             height: 1,
             ..inner
         };
-        frame.render_widget(Paragraph::new(Line::raw(title.to_string())), name_area);
+        frame.render_widget(
+            Paragraph::new(Line::raw(tile_title(title, name_area.width, selected))),
+            name_area,
+        );
         if selected {
             frame.buffer_mut().set_style(name_area, theme::tab_active());
         }
@@ -123,6 +131,73 @@ fn draw_tile(
     }
 }
 
+fn tile_title(title: &str, width: u16, selected: bool) -> String {
+    let width = usize::from(width);
+    if width == 0 {
+        return String::new();
+    }
+    if !selected || UnicodeWidthStr::width(title) <= width {
+        return title.to_string();
+    }
+    marquee_window(title, width)
+}
+
+fn marquee_window(title: &str, width: usize) -> String {
+    let stream = format!("{title}{TILE_MARQUEE_GAP}");
+    let cells: Vec<(char, usize)> = stream
+        .chars()
+        .map(|ch| (ch, UnicodeWidthChar::width(ch).unwrap_or(0)))
+        .collect();
+    let total_width: usize = cells.iter().map(|(_, width)| *width).sum();
+    if total_width == 0 {
+        return title.to_string();
+    }
+
+    let phase = marquee_phase(total_width);
+    let mut skipped = 0usize;
+    let mut index = 0usize;
+    while index < cells.len() {
+        let next = skipped + cells[index].1;
+        if next > phase {
+            break;
+        }
+        skipped = next;
+        index += 1;
+    }
+
+    let mut out = String::new();
+    let mut used = 0usize;
+    let mut steps = 0usize;
+    while used < width && steps < cells.len() + width {
+        let (ch, ch_width) = cells[(index + steps) % cells.len()];
+        steps += 1;
+        if ch_width == 0 {
+            out.push(ch);
+            continue;
+        }
+        if used + ch_width > width {
+            continue;
+        }
+        out.push(ch);
+        used += ch_width;
+    }
+    out
+}
+
+fn marquee_phase(total_width: usize) -> usize {
+    let tick = std::time::SystemTime::now()
+        .duration_since(std::time::UNIX_EPOCH)
+        .map(|duration| duration.as_millis() / TILE_MARQUEE_STEP_MS)
+        .unwrap_or(0);
+    let cycle = total_width as u128 + TILE_MARQUEE_PAUSE_STEPS;
+    let phase = tick % cycle;
+    if phase < TILE_MARQUEE_PAUSE_STEPS {
+        0
+    } else {
+        (phase - TILE_MARQUEE_PAUSE_STEPS) as usize
+    }
+}
+
 /// One selectable row: left content, optional right-aligned suffix, full-row
 /// highlight when selected.
 fn draw_row(frame: &mut Frame, area: Rect, line: Line, right: Option<String>, selected: bool) {