From 24d9d502b111e59fd8c49ff0114a6514e243e3e0 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 29 Oct 2023 08:24:08 +0530
Subject: [PATCH] Set window title when showing errors

---
 tools/cmd/show_error/main.go | 1 +
 tools/tui/loop/api.go        | 9 ++++++---
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/tools/cmd/show_error/main.go b/tools/cmd/show_error/main.go
index d6c0fefbf..b9822b207 100644
--- a/tools/cmd/show_error/main.go
+++ b/tools/cmd/show_error/main.go
@@ -42,6 +42,7 @@ func main(args []string, opts *Options) (rc int, err error) {
 	f := markup.New(true)
 	if opts.Title != "" {
 		fmt.Println(f.Err(opts.Title))
+		fmt.Println(loop.EscapeCodeToSetWindowTitle(opts.Title))
 		fmt.Println()
 	}
 	fmt.Println(m.Msg)
diff --git a/tools/tui/loop/api.go b/tools/tui/loop/api.go
index 3a06f97a4..31e896d11 100644
--- a/tools/tui/loop/api.go
+++ b/tools/tui/loop/api.go
@@ -404,10 +404,13 @@ func (self *Loop) AllowLineWrapping(allow bool) {
 	}
 }
 
+func EscapeCodeToSetWindowTitle(title string) string {
+	title = wcswidth.StripEscapeCodes(title)
+	return "\033]2;" + title + "\033\\"
+}
+
 func (self *Loop) SetWindowTitle(title string) {
-	title = strings.ReplaceAll(title, "\033", "")
-	title = strings.ReplaceAll(title, "\x9c", "")
-	self.QueueWriteString("\033]2;" + title + "\033\\")
+	self.QueueWriteString(EscapeCodeToSetWindowTitle(title))
 }
 
 func (self *Loop) ClearScreen() {