From 3aea522b0969e0d41cb3d0eec737563518dfe861 Mon Sep 17 00:00:00 2001
From: salmonik <raisersoft@proton.me>
Date: Sun, 7 Jun 2026 21:56:40 +0300
Subject: change lrc lyrics display.

---
 Cargo.lock    | 46 +++++++++++++++++++++++-----------------------
 Cargo.toml    |  3 ++-
 src/daemon.rs | 22 +++++++++++++++++++---
 3 files changed, 44 insertions(+), 27 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 2c284f7..0372809 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,29 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "RSPlayer"
+version = "0.8.5"
+dependencies = [
+ "clap",
+ "clap_complete",
+ "cpal",
+ "ctrlc",
+ "directories",
+ "dirs",
+ "hex",
+ "libc",
+ "md-5",
+ "notify-rust",
+ "rand 0.10.1",
+ "reqwest",
+ "rusqlite",
+ "serde",
+ "serde_json",
+ "symphonia",
+ "toml",
+]
+
 [[package]]
 name = "alsa"
 version = "0.11.0"
@@ -1946,29 +1969,6 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
-[[package]]
-name = "rsp"
-version = "0.8.5"
-dependencies = [
- "clap",
- "clap_complete",
- "cpal",
- "ctrlc",
- "directories",
- "dirs",
- "hex",
- "libc",
- "md-5",
- "notify-rust",
- "rand 0.10.1",
- "reqwest",
- "rusqlite",
- "serde",
- "serde_json",
- "symphonia",
- "toml",
-]
-
 [[package]]
 name = "rsqlite-vfs"
 version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
index d40a19b..0b31f88 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "rsp"
+name = "RSPlayer"
 version = "0.8.5"
 edition = "2024"
 description = "Rust music player daemon with Unix socket IPC"
@@ -9,6 +9,7 @@ keywords = ["music", "player", "daemon", "audio"]
 categories = ["multimedia", "command-line-utilities"]
 
 [lib]
+name = "rsp"
 path = "src/lib.rs"
 
 [[bin]]
diff --git a/src/daemon.rs b/src/daemon.rs
index 0590f71..a0de698 100644
--- a/src/daemon.rs
+++ b/src/daemon.rs
@@ -523,14 +523,21 @@ fn handle_lyrics_stream(stream: &mut UnixStream, audio: &Arc<AudioEngine>) {
         return;
     }
 
+    let mut last_idx = None;
+    let mut prev_line_count = 0;
     loop {
         let pos = audio.position();
         let current_idx = lyrics.iter().rposition(|l| l.time <= pos).unwrap_or(0);
+        if last_idx == Some(current_idx) {
+            thread::sleep(Duration::from_millis(100));
+            continue;
+        }
+        last_idx = Some(current_idx);
+
         let start = current_idx.saturating_sub(1);
         let end = (current_idx + 3).min(lyrics.len());
 
         let mut output = String::new();
-        output.push_str("\x1b[2J\x1b[H");
         for (idx, l) in lyrics.iter().enumerate().take(end).skip(start) {
             if idx == current_idx {
                 output.push_str(&format!(" > {}\n", l.text));
@@ -538,13 +545,22 @@ fn handle_lyrics_stream(stream: &mut UnixStream, audio: &Arc<AudioEngine>) {
                 output.push_str(&format!("   {}\n", l.text));
             }
         }
-        if stream.write_all(output.as_bytes()).is_err() {
+        let line_count = output.lines().count();
+        let mut frame = String::new();
+        if prev_line_count > 0 {
+            frame.push_str(&format!("\x1b[{}A\x1b[1B", prev_line_count));
+        } else {
+            frame.push_str(&format!("\x1b[2K"));
+        }
+        frame.push_str(&output);
+        if stream.write_all(frame.as_bytes()).is_err() {
             break;
         }
         if stream.flush().is_err() {
             break;
         }
-        thread::sleep(Duration::from_millis(200));
+        prev_line_count = line_count;
+        thread::sleep(Duration::from_millis(100));
     }
 }
 
-- 
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