From b99398fb18b209143554ee936592f129610b90ca Mon Sep 17 00:00:00 2001
From: 魏曹先生 <1992414357@qq.com>
Date: Thu, 12 Mar 2026 19:58:53 +0800
Subject: Update helpdoc viewer UI and improve text handling

- Add title localization for helpdoc viewer
- Implement ANSI-aware string truncation for proper display
- Improve focus indication with color highlighting
- Move display_width utility to shared module
- Update welcome and command helpdoc formatting
- Bump copyright year to 2026
---
 utils/src/display/str_width.rs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 utils/src/display/str_width.rs

(limited to 'utils/src/display/str_width.rs')

diff --git a/utils/src/display/str_width.rs b/utils/src/display/str_width.rs
new file mode 100644
index 0000000..a725bdb
--- /dev/null
+++ b/utils/src/display/str_width.rs
@@ -0,0 +1,18 @@
+pub fn display_width(s: &str) -> usize {
+    // Filter out ANSI escape sequences before calculating width
+    let filtered_bytes = strip_ansi_escapes::strip(s);
+    let filtered_str = match std::str::from_utf8(&filtered_bytes) {
+        Ok(s) => s,
+        Err(_) => s, // Fallback to original string if UTF-8 conversion fails
+    };
+
+    let mut width = 0;
+    for c in filtered_str.chars() {
+        if c.is_ascii() {
+            width += 1;
+        } else {
+            width += 2;
+        }
+    }
+    width
+}
-- 
cgit