From 4a85843bcf14490c75022b3f549b5467c31c7870 Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Thu, 7 Nov 2024 22:21:07 +0900
Subject: [PATCH] Fix (half-)page-up/down in the presence of multi-line items

Fix #4069
---
 src/terminal.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/terminal.go b/src/terminal.go
index ac75b4c..e747fbb 100644
--- a/src/terminal.go
+++ b/src/terminal.go
@@ -4422,6 +4422,7 @@ func (t *Terminal) Loop() error {
 					direction = 1
 				}
 
+				moved := false
 				for linesToMove > 0 {
 					currentItem := t.currentItem()
 					if currentItem == nil {
@@ -4430,11 +4431,15 @@ func (t *Terminal) Loop() error {
 
 					itemLines, _ := t.numItemLines(currentItem, maxItems)
 					linesToMove -= itemLines
+					if moved && linesToMove < 0 {
+						break
+					}
 					cy := t.cy
 					t.vmove(direction, false)
 					if cy == t.cy {
 						break
 					}
+					moved = true
 				}
 				req(reqList)
 			case actOffsetUp, actOffsetDown: