From 161ff27e3de7580dcbdd934142e29ca146fa47bb Mon Sep 17 00:00:00 2001
From: Tw93 <tw93@qq.com>
Date: Sun, 5 Oct 2025 22:25:05 +0800
Subject: [PATCH] fix: adjust header underline rendering in paginated menu

---
 lib/paginated_menu.sh | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/lib/paginated_menu.sh b/lib/paginated_menu.sh
index a1ed078..08ae4f0 100755
--- a/lib/paginated_menu.sh
+++ b/lib/paginated_menu.sh
@@ -82,12 +82,14 @@ paginated_multi_select() {
     draw_menu() {
         printf "\033[H\033[J" >&2  # Clear screen and move to top
 
-        # Header - strip emoji for length calculation
+        # Header - compute underline length without external seq dependency
         local title_clean="${title//[^[:print:]]/}"
-        local title_len_approx=$(( ${#title_clean} - 4 ))  # Rough adjustment for emoji
-        [[ $title_len_approx -lt 10 ]] && title_len_approx=10
-        
-        printf "${PURPLE}%s${NC}\n%s\n" "$title" "$(printf '=%.0s' $(seq 1 $title_len_approx))" >&2
+        local underline_len=${#title_clean}
+        [[ $underline_len -lt 10 ]] && underline_len=10
+        # Build underline robustly (no seq); printf width then translate spaces to '='
+        local underline
+        underline=$(printf '%*s' "$underline_len" '' | tr ' ' '=')
+        printf "${PURPLE}%s${NC}\n%s\n" "$title" "$underline" >&2
 
         # Status
         local selected_count=0