From 66ca16f836f70d90ab751dcc804bf158f0c5ae48 Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Tue, 11 Feb 2025 23:41:13 +0900
Subject: Truncate wrap signs in extremely narrow preview window

---
 src/tui/tcell.go | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'src/tui/tcell.go')

diff --git a/src/tui/tcell.go b/src/tui/tcell.go
index b70eed48..dffd235f 100644
--- a/src/tui/tcell.go
+++ b/src/tui/tcell.go
@@ -766,10 +766,18 @@ Loop:
 		xPos := w.left + w.lastX + lx
 		if xPos >= w.left+w.width {
 			w.lastY++
+			if w.lastY >= w.height {
+				return FillSuspend
+			}
 			w.lastX = 0
 			lx = 0
 			xPos = w.left
-			wgr := uniseg.NewGraphemes(w.wrapSign)
+			sign := w.wrapSign
+			if w.wrapSignWidth > w.width {
+				runes, _ := util.Truncate(sign, w.width)
+				sign = string(runes)
+			}
+			wgr := uniseg.NewGraphemes(sign)
 			for wgr.Next() {
 				rs := wgr.Runes()
 				_screen.SetContent(w.left+lx, w.top+w.lastY, rs[0], rs[1:], style.Dim(true))
-- 
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