From 642b2e14532f906fe133bf2d05bb132ebb53d9ef Mon Sep 17 00:00:00 2001
From: Florian Fischer <florian.fischer@muhq.space>
Date: Fri, 3 Feb 2023 14:05:14 +0100
Subject: add text input and properly center text

---
 go/ui/buffer.go | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'go/ui/buffer.go')

diff --git a/go/ui/buffer.go b/go/ui/buffer.go
index c451d7fc..e95102fe 100644
--- a/go/ui/buffer.go
+++ b/go/ui/buffer.go
@@ -64,3 +64,16 @@ func (b *Buffer) Remove(idx int) {
 	b.lines = append(b.lines[:idx], b.lines[idx+1:]...)
 	b.ForceRedraw()
 }
+
+func (b *Buffer) Scroll(x, y int) {
+	if y == 0 {
+		return
+	}
+
+	if y < 0 && b.pos > 0 {
+		b.pos--
+	} else if y > 0 && b.pos < len(b.lines)-1 {
+		b.pos++
+	}
+	b.ForceRedraw()
+}
-- 
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