From 25f6fbc47648ff6b049f46946abcfc64ca4c2cc5 Mon Sep 17 00:00:00 2001
From: Kyren223 <Kyren223@proton.me>
Date: Mon, 23 Dec 2024 16:51:33 +0200
Subject: Excess messages now truncate instead of overflow viewport height

---
 internal/client/ui/core/chat/chat.go | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'internal/client/ui/core')

diff --git a/internal/client/ui/core/chat/chat.go b/internal/client/ui/core/chat/chat.go
index ab19069..d17b500 100644
--- a/internal/client/ui/core/chat/chat.go
+++ b/internal/client/ui/core/chat/chat.go
@@ -375,7 +375,25 @@ func (m *Model) renderMessages(height int) string {
 		builder.WriteString(renderedGroups[i])
 	}
 
-	return builder.String()
+	result := builder.String()
+
+	// Truncate any excess and show only the bottom
+	newlines := 0
+	index := -1
+	for i := len(result) - 1; i >= 0; i-- {
+		if result[i] == '\n' {
+			newlines++
+		}
+		if newlines == height {
+			index = i
+			break
+		}
+	}
+	if index != -1 {
+		return result[index+1:]
+	}
+
+	return result
 }
 
 func (m *Model) renderMessageGroup(group []data.Message, remaining *int, height int) string {
-- 
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