From 0f8b7a1203309ebec0dc78baf3f195671eadac2d Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Thu, 14 Mar 2019 21:37:00 -0400
Subject: Lay out message list widget basic design

---
 widgets/spinner.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'widgets/spinner.go')

diff --git a/widgets/spinner.go b/widgets/spinner.go
index 2e7e367..812fb2c 100644
--- a/widgets/spinner.go
+++ b/widgets/spinner.go
@@ -36,6 +36,10 @@ func NewSpinner() *Spinner {
 }
 
 func (s *Spinner) Start() {
+	if s.IsRunning() {
+		return
+	}
+
 	s.frame = 0
 	go func() {
 		for {
@@ -54,6 +58,10 @@ func (s *Spinner) Start() {
 }
 
 func (s *Spinner) Stop() {
+	if !s.IsRunning() {
+		return
+	}
+
 	s.stop <- nil
 	s.frame = -1
 	s.Invalidate()
@@ -64,6 +72,10 @@ func (s *Spinner) IsRunning() bool {
 }
 
 func (s *Spinner) Draw(ctx *ui.Context) {
+	if !s.IsRunning() {
+		return
+	}
+
 	ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', tcell.StyleDefault)
 	col := ctx.Width()/2 - len(frames[0])/2 + 1
 	ctx.Printf(col, 0, tcell.StyleDefault, "%s", frames[s.frame])
-- 
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