From 936a7a5f97c70099d2bceaca65b8fd0c92de5415 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 7 Oct 2022 12:25:37 +0530
Subject: [PATCH] Dont write escape code for zero movement

---
 tools/tui/loop/api.go | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/tools/tui/loop/api.go b/tools/tui/loop/api.go
index a8c683af7..a067d108c 100644
--- a/tools/tui/loop/api.go
+++ b/tools/tui/loop/api.go
@@ -210,21 +210,25 @@ func (self *Loop) SetCursorShape(shape CursorShapes, blink bool) {
 }
 
 func (self *Loop) MoveCursorHorizontally(amt int) {
-	suffix := "C"
-	if amt < 0 {
-		suffix = "D"
-		amt *= -1
+	if amt != 0 {
+		suffix := "C"
+		if amt < 0 {
+			suffix = "D"
+			amt *= -1
+		}
+		self.QueueWriteString(fmt.Sprintf("\x1b[%d%s", amt, suffix))
 	}
-	self.QueueWriteString(fmt.Sprintf("\x1b[%d%s", amt, suffix))
 }
 
 func (self *Loop) MoveCursorVertically(amt int) {
-	suffix := "B"
-	if amt < 0 {
-		suffix = "A"
-		amt *= -1
+	if amt != 0 {
+		suffix := "B"
+		if amt < 0 {
+			suffix = "A"
+			amt *= -1
+		}
+		self.QueueWriteString(fmt.Sprintf("\x1b[%d%s", amt, suffix))
 	}
-	self.QueueWriteString(fmt.Sprintf("\x1b[%d%s", amt, suffix))
 }
 
 func (self *Loop) ClearToEndOfScreen() {