From 137417f768d31bceb19ca11e2a2c40b2ef7b50ef Mon Sep 17 00:00:00 2001
From: miguel <miguel.de.icaza@gmail.com>
Date: Sat, 1 Dec 2018 12:37:14 -0500
Subject: [PATCH] [TextField] update point to 0 or the lenght-1 on changes,
 fixes #150

---
 Example/demo.cs                 | 1 +
 Terminal.Gui/Views/TextField.cs | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Example/demo.cs b/Example/demo.cs
index d36621011..7b86e62ea 100755
--- a/Example/demo.cs
+++ b/Example/demo.cs
@@ -106,6 +106,7 @@ static class Demo {
 			Y = Pos.Top (login),
 			Width = 40
 		};
+
 		var passText = new TextField ("") {
 			Secret = true,
 			X = Pos.Left (loginText),
diff --git a/Terminal.Gui/Views/TextField.cs b/Terminal.Gui/Views/TextField.cs
index 86606676e..d43b1e72c 100644
--- a/Terminal.Gui/Views/TextField.cs
+++ b/Terminal.Gui/Views/TextField.cs
@@ -95,7 +95,7 @@ namespace Terminal.Gui {
 			set {
 				text = TextModel.ToRunes (value);
 				if (point > text.Count)
-					point = text.Count;
+					point = Math.Max (text.Count-1, 0);
 
 				// FIXME: this needs to be updated to use Rune.ColumnWidth
 				first = point > Frame.Width ? point - Frame.Width : 0;