From 168e8f3aaee7560b2ae25581647b666997ffee10 Mon Sep 17 00:00:00 2001
From: Bradley Cicenas <bradley@vektor.nyc>
Date: Thu, 9 Mar 2017 08:33:25 +0000
Subject: [PATCH] implement Buffer() method for ctop header

---
 grid.go           |  2 +-
 widgets/header.go | 10 +++++++---
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/grid.go b/grid.go
index fa28653..7704cf4 100644
--- a/grid.go
+++ b/grid.go
@@ -28,7 +28,7 @@ func RedrawRows(clr bool) {
 		log.Debugf("screen cleared")
 	}
 	if config.GetSwitchVal("enableHeader") {
-		header.Render()
+		ui.Render(header)
 	}
 	cGrid.Align()
 	ui.Render(cGrid)
diff --git a/widgets/header.go b/widgets/header.go
index a6955c9..89134c2 100644
--- a/widgets/header.go
+++ b/widgets/header.go
@@ -23,10 +23,14 @@ func NewCTopHeader() *CTopHeader {
 	}
 }
 
-func (c *CTopHeader) Render() {
+func (c *CTopHeader) Buffer() ui.Buffer {
+	buf := ui.NewBuffer()
 	c.Time.Text = timeStr()
-	ui.Render(c.bg)
-	ui.Render(c.Time, c.Count, c.Filter)
+	buf.Merge(c.bg.Buffer())
+	buf.Merge(c.Time.Buffer())
+	buf.Merge(c.Count.Buffer())
+	buf.Merge(c.Filter.Buffer())
+	return buf
 }
 
 func (c *CTopHeader) Align() {