From 49350e374a6b0007ced8ccd7fc949160a19d84ed Mon Sep 17 00:00:00 2001
From: ajcarvajal <alanjcarv@gmail.com>
Date: Sat, 29 Jun 2019 18:03:04 -0800
Subject: [PATCH] make textview1 example sleep when inactive

---
 demos/presentation/textview.go | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/demos/presentation/textview.go b/demos/presentation/textview.go
index 666dfe7..a6a50d3 100644
--- a/demos/presentation/textview.go
+++ b/demos/presentation/textview.go
@@ -45,9 +45,13 @@ func TextView1(nextSlide func()) (title string, content tview.Primitive) {
 	go func() {
 		var n int
 		for {
-			n++
-			fmt.Fprintf(textView, "%d ", n)
-			time.Sleep(200 * time.Millisecond)
+			if textView.HasFocus() {
+				n++
+				fmt.Fprintf(textView, "%d ", n)
+				time.Sleep(200 * time.Millisecond)
+			} else {
+				time.Sleep(time.Second)
+			}
 		}
 	}()
 	textView.SetBorder(true).SetTitle("TextView implements io.Writer")