From 8bc6a3f68406413f399873701baee89cebe1cac1 Mon Sep 17 00:00:00 2001
From: Oliver <480930+rivo@users.noreply.github.com>
Date: Sun, 14 Jan 2018 13:35:57 +0100
Subject: [PATCH] Minor additions to pull request #30. Resolves #28.

---
 textview.go | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/textview.go b/textview.go
index 28c3aea..4ed7cf7 100644
--- a/textview.go
+++ b/textview.go
@@ -286,16 +286,25 @@ func (t *TextView) SetDoneFunc(handler func(key tcell.Key)) *TextView {
 	return t
 }
 
-// ScrollToBeginning scrolls to the top left corner of the text.
+// ScrollToBeginning scrolls to the top left corner of the text if the text view
+// is scrollable.
 func (t *TextView) ScrollToBeginning() *TextView {
+	if !t.scrollable {
+		return t
+	}
 	t.trackEnd = false
 	t.lineOffset = 0
 	t.columnOffset = 0
 	return t
 }
 
-// ScrollToEnd scrolls to the bottom left corner of the text.
+// ScrollToEnd scrolls to the bottom left corner of the text if the text view
+// is scrollable. Adding new rows to the end of the text view will cause it to
+// scroll with the new data.
 func (t *TextView) ScrollToEnd() *TextView {
+	if !t.scrollable {
+		return t
+	}
 	t.trackEnd = true
 	t.columnOffset = 0
 	return t