From ebf3bcc76be9a7252623e87c349bdb27b47ca3c4 Mon Sep 17 00:00:00 2001
From: Gokcehan <gokcehankara@gmail.com>
Date: Sat, 5 Sep 2020 12:36:31 +0300
Subject: [PATCH] resume with a new goroutine instead of busy wait

Related #461
---
 ui.go | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/ui.go b/ui.go
index 451a4fd..de19fe4 100644
--- a/ui.go
+++ b/ui.go
@@ -520,17 +520,22 @@ func newUI(screen tcell.Screen) *ui {
 		icons:     parseIcons(),
 	}
 
-	go func() {
-		var ev tcell.Event
-		for {
-			ev = ui.screen.PollEvent()
-			ui.evChan <- ev
-		}
-	}()
+	go ui.pollEvents()
 
 	return ui
 }
 
+func (ui *ui) pollEvents() {
+	var ev tcell.Event
+	for {
+		ev = ui.screen.PollEvent()
+		if ev == nil {
+			return
+		}
+		ui.evChan <- ev
+	}
+}
+
 func (ui *ui) renew() {
 	wtot, htot := ui.screen.Size()
 
@@ -1058,6 +1063,8 @@ func (ui *ui) resume() {
 
 	ui.screen = screen
 
+	go ui.pollEvents()
+
 	ui.renew()
 }