diff --git a/_examples/barchart.go b/_examples/barchart.go
index aa20274..9e48f5e 100644
--- a/_examples/barchart.go
+++ b/_examples/barchart.go
@@ -6,31 +6,27 @@
 
 package main
 
-import "github.com/gizak/termui"
+import ui "github.com/gizak/termui"
 
 func main() {
-	if err := termui.Init(); err != nil {
-		panic(err)
-	}
-	defer termui.Close()
+	ui.Init()
+	defer ui.Close()
 
-	bc := termui.NewBarChart()
-	data := []int{3, 2, 5, 3, 9, 5, 3, 2, 5, 8, 3, 2, 4, 5, 3, 2, 5, 7, 5, 3, 2, 6, 7, 4, 6, 3, 6, 7, 8, 3, 6, 4, 5, 3, 2, 4, 6, 4, 8, 5, 9, 4, 3, 6, 5, 3, 6}
-	bclabels := []string{"S0", "S1", "S2", "S3", "S4", "S5"}
+	bc := ui.NewBarChart()
+	bc.Data = []int{3, 2, 5, 3, 9, 5, 3, 2, 5, 8, 3, 2, 4, 5, 3, 2, 5, 7, 5, 3, 2, 6, 7, 4, 6, 3, 6, 7, 8, 3, 6, 4, 5, 3, 2, 4, 6, 4, 8, 5, 9, 4, 3, 6, 5, 3, 6}
+	bc.DataLabels = []string{"S0", "S1", "S2", "S3", "S4", "S5"}
 	bc.BorderLabel = "Bar Chart"
-	bc.Data = data
 	bc.Width = 26
 	bc.Height = 10
-	bc.DataLabels = bclabels
-	bc.TextColor = termui.ColorGreen
-	bc.BarColor = termui.ColorRed
-	bc.NumColor = termui.ColorYellow
+	bc.TextColor = ui.ColorGreen
+	bc.BarColor = ui.ColorRed
+	bc.NumColor = ui.ColorYellow
 
-	termui.Render(bc)
+	ui.Render(bc)
 
-	termui.Handle("/sys/kbd/q", func(termui.Event) {
-		termui.StopLoop()
+	ui.Handle("/sys/kbd/q", func(ui.Event) {
+		ui.StopLoop()
 	})
-	termui.Loop()
 
+	ui.Loop()
 }
diff --git a/_examples/dashboard.go b/_examples/dashboard.go
index 50dc94e..1a14b23 100644
--- a/_examples/dashboard.go
+++ b/_examples/dashboard.go
@@ -13,9 +13,7 @@ import (
 )
 
 func main() {
-	if err := ui.Init(); err != nil {
-		panic(err)
-	}
+	ui.Init()
 	defer ui.Close()
 
 	p := ui.NewPar(":PRESS q TO QUIT DEMO")
@@ -33,14 +31,15 @@ func main() {
 		}
 	})
 
-	strs := []string{"[0] gizak/termui", "[1] editbox.go", "[2] interrupt.go", "[3] keyboard.go", "[4] output.go", "[5] random_out.go", "[6] dashboard.go", "[7] nsf/termbox-go"}
-	list := ui.NewList()
-	list.Items = strs
-	list.ItemFgColor = ui.ColorYellow
-	list.BorderLabel = "List"
-	list.Height = 7
-	list.Width = 25
-	list.Y = 4
+	listData := []string{"[0] gizak/termui", "[1] editbox.go", "[2] interrupt.go", "[3] keyboard.go", "[4] output.go", "[5] random_out.go", "[6] dashboard.go", "[7] nsf/termbox-go"}
+
+	l := ui.NewList()
+	l.Items = listData
+	l.ItemFgColor = ui.ColorYellow
+	l.BorderLabel = "List"
+	l.Height = 7
+	l.Width = 25
+	l.Y = 4
 
 	g := ui.NewGauge()
 	g.Percent = 50
@@ -52,29 +51,30 @@ func main() {
 	g.BorderFg = ui.ColorWhite
 	g.BorderLabelFg = ui.ColorCyan
 
-	spark := ui.Sparkline{}
-	spark.Height = 1
-	spark.Title = "srv 0:"
-	spdata := []int{4, 2, 1, 6, 3, 9, 1, 4, 2, 15, 14, 9, 8, 6, 10, 13, 15, 12, 10, 5, 3, 6, 1, 7, 10, 10, 14, 13, 6, 4, 2, 1, 6, 3, 9, 1, 4, 2, 15, 14, 9, 8, 6, 10, 13, 15, 12, 10, 5, 3, 6, 1, 7, 10, 10, 14, 13, 6, 4, 2, 1, 6, 3, 9, 1, 4, 2, 15, 14, 9, 8, 6, 10, 13, 15, 12, 10, 5, 3, 6, 1, 7, 10, 10, 14, 13, 6, 4, 2, 1, 6, 3, 9, 1, 4, 2, 15, 14, 9, 8, 6, 10, 13, 15, 12, 10, 5, 3, 6, 1, 7, 10, 10, 14, 13, 6}
-	spark.Data = spdata
-	spark.LineColor = ui.ColorCyan
-	spark.TitleColor = ui.ColorWhite
+	sparklineData := []int{4, 2, 1, 6, 3, 9, 1, 4, 2, 15, 14, 9, 8, 6, 10, 13, 15, 12, 10, 5, 3, 6, 1, 7, 10, 10, 14, 13, 6, 4, 2, 1, 6, 3, 9, 1, 4, 2, 15, 14, 9, 8, 6, 10, 13, 15, 12, 10, 5, 3, 6, 1, 7, 10, 10, 14, 13, 6, 4, 2, 1, 6, 3, 9, 1, 4, 2, 15, 14, 9, 8, 6, 10, 13, 15, 12, 10, 5, 3, 6, 1, 7, 10, 10, 14, 13, 6, 4, 2, 1, 6, 3, 9, 1, 4, 2, 15, 14, 9, 8, 6, 10, 13, 15, 12, 10, 5, 3, 6, 1, 7, 10, 10, 14, 13, 6}
 
-	spark1 := ui.Sparkline{}
-	spark1.Height = 1
-	spark1.Title = "srv 1:"
-	spark1.Data = spdata
-	spark1.TitleColor = ui.ColorWhite
-	spark1.LineColor = ui.ColorRed
+	sl := ui.Sparkline{}
+	sl.Height = 1
+	sl.Title = "srv 0:"
+	sl.Data = sparklineData
+	sl.LineColor = ui.ColorCyan
+	sl.TitleColor = ui.ColorWhite
 
-	sp := ui.NewSparklines(spark, spark1)
-	sp.Width = 25
-	sp.Height = 7
-	sp.BorderLabel = "Sparkline"
-	sp.Y = 4
-	sp.X = 25
+	sl2 := ui.Sparkline{}
+	sl2.Height = 1
+	sl2.Title = "srv 1:"
+	sl2.Data = sparklineData
+	sl2.TitleColor = ui.ColorWhite
+	sl2.LineColor = ui.ColorRed
 
-	sinps := (func() []float64 {
+	sls := ui.NewSparklines(sl, sl2)
+	sls.Width = 25
+	sls.Height = 7
+	sls.BorderLabel = "Sparkline"
+	sls.Y = 4
+	sls.X = 25
+
+	sinData := (func() []float64 {
 		n := 220
 		ps := make([]float64, n)
 		for i := range ps {
@@ -85,7 +85,7 @@ func main() {
 
 	lc := ui.NewLineChart()
 	lc.BorderLabel = "dot-mode Line Chart"
-	lc.Data["default"] = sinps
+	lc.Data["default"] = sinData
 	lc.Width = 50
 	lc.Height = 11
 	lc.X = 0
@@ -94,52 +94,56 @@ func main() {
 	lc.LineColor["default"] = ui.ColorRed | ui.AttrBold
 	lc.Mode = "dot"
 
+	barchartData := []int{3, 2, 5, 3, 9, 5, 3, 2, 5, 8, 3, 2, 4, 5, 3, 2, 5, 7, 5, 3, 2, 6, 7, 4, 6, 3, 6, 7, 8, 3, 6, 4, 5, 3, 2, 4, 6, 4, 8, 5, 9, 4, 3, 6, 5, 3, 6}
+
 	bc := ui.NewBarChart()
-	bcdata := []int{3, 2, 5, 3, 9, 5, 3, 2, 5, 8, 3, 2, 4, 5, 3, 2, 5, 7, 5, 3, 2, 6, 7, 4, 6, 3, 6, 7, 8, 3, 6, 4, 5, 3, 2, 4, 6, 4, 8, 5, 9, 4, 3, 6, 5, 3, 6}
-	bclabels := []string{"S0", "S1", "S2", "S3", "S4", "S5"}
 	bc.BorderLabel = "Bar Chart"
 	bc.Width = 26
 	bc.Height = 10
 	bc.X = 51
 	bc.Y = 0
-	bc.DataLabels = bclabels
+	bc.DataLabels = []string{"S0", "S1", "S2", "S3", "S4", "S5"}
 	bc.BarColor = ui.ColorGreen
 	bc.NumColor = ui.ColorBlack
 
-	lc1 := ui.NewLineChart()
-	lc1.BorderLabel = "braille-mode Line Chart"
-	lc1.Data["default"] = sinps
-	lc1.Width = 26
-	lc1.Height = 11
-	lc1.X = 51
-	lc1.Y = 14
-	lc1.AxesColor = ui.ColorWhite
-	lc1.LineColor["default"] = ui.ColorYellow | ui.AttrBold
+	lc2 := ui.NewLineChart()
+	lc2.BorderLabel = "braille-mode Line Chart"
+	lc2.Data["default"] = sinData
+	lc2.Width = 26
+	lc2.Height = 11
+	lc2.X = 51
+	lc2.Y = 14
+	lc2.AxesColor = ui.ColorWhite
+	lc2.LineColor["default"] = ui.ColorYellow | ui.AttrBold
 
-	p1 := ui.NewPar("Hey!\nI am a borderless block!")
-	p1.Border = false
-	p1.Width = 26
-	p1.Height = 2
-	p1.TextFgColor = ui.ColorMagenta
-	p1.X = 52
-	p1.Y = 11
+	p2 := ui.NewPar("Hey!\nI am a borderless block!")
+	p2.Border = false
+	p2.Width = 26
+	p2.Height = 2
+	p2.TextFgColor = ui.ColorMagenta
+	p2.X = 52
+	p2.Y = 11
 
-	draw := func(t int) {
-		g.Percent = t % 101
-		list.Items = strs[t%9:]
-		sp.Lines[0].Data = spdata[:30+t%50]
-		sp.Lines[1].Data = spdata[:35+t%50]
-		lc.Data["default"] = sinps[t/2%220:]
-		lc1.Data["default"] = sinps[2*t%220:]
-		bc.Data = bcdata[t/2%10:]
-		ui.Render(p, list, g, sp, lc, bc, lc1, p1)
+	draw := func(count int) {
+		g.Percent = count % 101
+		l.Items = listData[count%9:]
+		sls.Lines[0].Data = sparklineData[:30+count%50]
+		sls.Lines[1].Data = sparklineData[:35+count%50]
+		lc.Data["default"] = sinData[count/2%220:]
+		lc2.Data["default"] = sinData[2*count%220:]
+		bc.Data = barchartData[count/2%10:]
+
+		ui.Render(p, l, g, sls, lc, bc, lc2, p2)
 	}
+
 	ui.Handle("/sys/kbd/q", func(ui.Event) {
 		ui.StopLoop()
 	})
+
 	ui.Handle("/timer/1s", func(e ui.Event) {
 		t := e.Data.(ui.EvtTimer)
 		draw(int(t.Count))
 	})
+
 	ui.Loop()
 }
diff --git a/_examples/gauge.go b/_examples/gauge.go
index d05b77e..0485241 100644
--- a/_examples/gauge.go
+++ b/_examples/gauge.go
@@ -6,79 +6,74 @@
 
 package main
 
-import "github.com/gizak/termui"
+import ui "github.com/gizak/termui"
 
 func main() {
-	err := termui.Init()
-	if err != nil {
-		panic(err)
-	}
-	defer termui.Close()
+	ui.Init()
+	defer ui.Close()
 
-	//termui.UseTheme("helloworld")
-
-	g0 := termui.NewGauge()
+	g0 := ui.NewGauge()
 	g0.Percent = 40
 	g0.Width = 50
 	g0.Height = 3
 	g0.BorderLabel = "Slim Gauge"
-	g0.BarColor = termui.ColorRed
-	g0.BorderFg = termui.ColorWhite
-	g0.BorderLabelFg = termui.ColorCyan
+	g0.BarColor = ui.ColorRed
+	g0.BorderFg = ui.ColorWhite
+	g0.BorderLabelFg = ui.ColorCyan
 
-	gg := termui.NewBlock()
+	gg := ui.NewBlock()
 	gg.Width = 50
 	gg.Height = 5
 	gg.Y = 12
 	gg.BorderLabel = "TEST"
 	gg.Align()
 
-	g2 := termui.NewGauge()
+	g2 := ui.NewGauge()
 	g2.Percent = 60
 	g2.Width = 50
 	g2.Height = 3
-	g2.PercentColor = termui.ColorBlue
+	g2.PercentColor = ui.ColorBlue
 	g2.Y = 3
 	g2.BorderLabel = "Slim Gauge"
-	g2.BarColor = termui.ColorYellow
-	g2.BorderFg = termui.ColorWhite
+	g2.BarColor = ui.ColorYellow
+	g2.BorderFg = ui.ColorWhite
 
-	g1 := termui.NewGauge()
+	g1 := ui.NewGauge()
 	g1.Percent = 30
 	g1.Width = 50
 	g1.Height = 5
 	g1.Y = 6
 	g1.BorderLabel = "Big Gauge"
-	g1.PercentColor = termui.ColorYellow
-	g1.BarColor = termui.ColorGreen
-	g1.BorderFg = termui.ColorWhite
-	g1.BorderLabelFg = termui.ColorMagenta
+	g1.PercentColor = ui.ColorYellow
+	g1.BarColor = ui.ColorGreen
+	g1.BorderFg = ui.ColorWhite
+	g1.BorderLabelFg = ui.ColorMagenta
 
-	g3 := termui.NewGauge()
+	g3 := ui.NewGauge()
 	g3.Percent = 50
 	g3.Width = 50
 	g3.Height = 3
 	g3.Y = 11
 	g3.BorderLabel = "Gauge with custom label"
 	g3.Label = "{{percent}}% (100MBs free)"
-	g3.LabelAlign = termui.AlignRight
+	g3.LabelAlign = ui.AlignRight
 
-	g4 := termui.NewGauge()
+	g4 := ui.NewGauge()
 	g4.Percent = 50
 	g4.Width = 50
 	g4.Height = 3
 	g4.Y = 14
 	g4.BorderLabel = "Gauge"
 	g4.Label = "Gauge with custom highlighted label"
-	g4.PercentColor = termui.ColorYellow
-	g4.BarColor = termui.ColorGreen
-	g4.PercentColorHighlighted = termui.ColorBlack
+	g4.PercentColor = ui.ColorYellow
+	g4.BarColor = ui.ColorGreen
+	g4.PercentColorHighlighted = ui.ColorBlack
 
-	termui.Render(g0, g1, g2, g3, g4)
+	ui.Render(g0, g1, g2, g3, g4)
 
-	termui.Handle("/sys/kbd/q", func(termui.Event) {
-		termui.StopLoop()
+	ui.Handle("/sys/kbd/q", func(ui.Event) {
+		ui.StopLoop()
 	})
 
-	termui.Loop()
+	ui.Loop()
 }
diff --git a/_examples/grid.go b/_examples/grid.go
index 5387f13..cf1f030 100644
--- a/_examples/grid.go
+++ b/_examples/grid.go
@@ -13,9 +13,7 @@ import (
 )
 
 func main() {
-	if err := ui.Init(); err != nil {
-		panic(err)
-	}
+	ui.Init()
 	defer ui.Close()
 
 	sinps := (func() []float64 {
@@ -96,6 +94,7 @@ func main() {
 	ui.Handle("/sys/kbd/q", func(ui.Event) {
 		ui.StopLoop()
 	})
+
 	ui.Handle("/timer/1s", func(e ui.Event) {
 		t := e.Data.(ui.EvtTimer)
 		i := t.Count
diff --git a/_examples/linechart.go b/_examples/linechart.go
index 383e057..6697f51 100644
--- a/_examples/linechart.go
+++ b/_examples/linechart.go
@@ -9,17 +9,12 @@ package main
 import (
 	"math"
 
-	"github.com/gizak/termui"
+	ui "github.com/gizak/termui"
 )
 
 func main() {
-	err := termui.Init()
-	if err != nil {
-		panic(err)
-	}
-	defer termui.Close()
-
-	//termui.UseTheme("helloworld")
+	err := ui.Init()
+	defer ui.Close()
 
 	sinps := (func() map[string][]float64 {
 		n := 220
@@ -33,17 +28,17 @@ func main() {
 		return ps
 	})()
 
-	lc0 := termui.NewLineChart()
+	lc0 := ui.NewLineChart()
 	lc0.BorderLabel = "braille-mode Line Chart"
 	lc0.Data = sinps
 	lc0.Width = 50
 	lc0.Height = 12
 	lc0.X = 0
 	lc0.Y = 0
-	lc0.AxesColor = termui.ColorWhite
-	lc0.LineColor["first"] = termui.ColorGreen | termui.AttrBold
+	lc0.AxesColor = ui.ColorWhite
+	lc0.LineColor["first"] = ui.ColorGreen | ui.AttrBold
 
-	lc1 := termui.NewLineChart()
+	lc1 := ui.NewLineChart()
 	lc1.BorderLabel = "dot-mode Line Chart"
 	lc1.Mode = "dot"
 	lc1.Data = sinps
@@ -51,10 +46,10 @@ func main() {
 	lc1.Height = 12
 	lc1.X = 51
 	lc1.DotStyle = '+'
-	lc1.AxesColor = termui.ColorWhite
-	lc1.LineColor["first"] = termui.ColorYellow | termui.AttrBold
+	lc1.AxesColor = ui.ColorWhite
+	lc1.LineColor["first"] = ui.ColorYellow | ui.AttrBold
 
-	lc2 := termui.NewLineChart()
+	lc2 := ui.NewLineChart()
 	lc2.BorderLabel = "dot-mode Line Chart"
 	lc2.Mode = "dot"
 	lc2.Data["first"] = sinps["first"][4:]
@@ -63,13 +58,14 @@ func main() {
 	lc2.Height = 16
 	lc2.X = 0
 	lc2.Y = 12
-	lc2.AxesColor = termui.ColorWhite
-	lc2.LineColor["first"] = termui.ColorCyan | termui.AttrBold
+	lc2.AxesColor = ui.ColorWhite
+	lc2.LineColor["first"] = ui.ColorCyan | ui.AttrBold
 
-	termui.Render(lc0, lc1, lc2)
-	termui.Handle("/sys/kbd/q", func(termui.Event) {
-		termui.StopLoop()
+	ui.Render(lc0, lc1, lc2)
+
+	ui.Handle("/sys/kbd/q", func(ui.Event) {
+		ui.StopLoop()
 	})
-	termui.Loop()
 
+	ui.Loop()
 }
diff --git a/_examples/list.go b/_examples/list.go
index 375029d..339aa75 100644
--- a/_examples/list.go
+++ b/_examples/list.go
@@ -6,16 +6,11 @@
 
 package main
 
-import "github.com/gizak/termui"
+import ui "github.com/gizak/termui"
 
 func main() {
-	err := termui.Init()
-	if err != nil {
-		panic(err)
-	}
-	defer termui.Close()
-
-	//termui.UseTheme("helloworld")
+	ui.Init()
+	defer ui.Close()
 
 	strs := []string{
 		"[0] github.com/gizak/termui",
@@ -27,18 +22,19 @@ func main() {
 		"[6] dashboard.go",
 		"[7] nsf/termbox-go"}
 
-	ls := termui.NewList()
+	ls := ui.NewList()
 	ls.Items = strs
-	ls.ItemFgColor = termui.ColorYellow
+	ls.ItemFgColor = ui.ColorYellow
 	ls.BorderLabel = "List"
 	ls.Height = 7
 	ls.Width = 25
 	ls.Y = 0
 
-	termui.Render(ls)
-	termui.Handle("/sys/kbd/q", func(termui.Event) {
-		termui.StopLoop()
-	})
-	termui.Loop()
+	ui.Render(ls)
 
+	ui.Handle("/sys/kbd/q", func(ui.Event) {
+		ui.StopLoop()
+	})
+
+	ui.Loop()
 }
diff --git a/_examples/mbarchart.go b/_examples/mbarchart.go
index 074cccf..70b7d0f 100644
--- a/_examples/mbarchart.go
+++ b/_examples/mbarchart.go
@@ -6,18 +6,13 @@
 
 package main
 
-import "github.com/gizak/termui"
+import ui "github.com/gizak/termui"
 
 func main() {
-	err := termui.Init()
-	if err != nil {
-		panic(err)
-	}
-	defer termui.Close()
+	ui.Init()
+	defer ui.Close()
 
-	//termui.UseTheme("helloworld")
-
-	bc := termui.NewMBarChart()
+	bc := ui.NewMBarChart()
 	math := []int{90, 85, 90, 80}
 	english := []int{70, 85, 75, 60}
 	science := []int{75, 60, 80, 85}
@@ -36,19 +31,20 @@ func main() {
 	bc.ShowScale = true //Show y_axis scale value (min and max)
 	bc.SetMax(400)
 
-	bc.TextColor = termui.ColorGreen    //this is color for label (x-axis)
-	bc.BarColor[3] = termui.ColorGreen  //BarColor for computerscience
-	bc.BarColor[1] = termui.ColorYellow //Bar Color for english
-	bc.NumColor[3] = termui.ColorRed    // Num color for computerscience
-	bc.NumColor[1] = termui.ColorRed    // num color for english
+	bc.TextColor = ui.ColorGreen    //this is color for label (x-axis)
+	bc.BarColor[3] = ui.ColorGreen  //BarColor for computerscience
+	bc.BarColor[1] = ui.ColorYellow //Bar Color for english
+	bc.NumColor[3] = ui.ColorRed    // Num color for computerscience
+	bc.NumColor[1] = ui.ColorRed    // num color for english
 
 	//Other colors are automatically populated, btw All the students seems do well in computerscience. :p
 
-	termui.Render(bc)
+	ui.Render(bc)
 
-	termui.Handle("/sys/kbd/q", func(termui.Event) {
-		termui.StopLoop()
+	ui.Handle("/sys/kbd/q", func(ui.Event) {
+		ui.StopLoop()
 	})
-	termui.Loop()
+
+	ui.Loop()
 
 }
diff --git a/_examples/par.go b/_examples/par.go
index d340fe4..da98c8a 100644
--- a/_examples/par.go
+++ b/_examples/par.go
@@ -6,47 +6,43 @@
 
 package main
 
-import "github.com/gizak/termui"
+import ui "github.com/gizak/termui"
 
 func main() {
-	err := termui.Init()
-	if err != nil {
-		panic(err)
-	}
-	defer termui.Close()
+	ui.Init()
+	defer ui.Close()
 
-	//termui.UseTheme("helloworld")
-
-	par0 := termui.NewPar("Borderless Text")
+	par0 := ui.NewPar("Borderless Text")
 	par0.Height = 1
 	par0.Width = 20
 	par0.Y = 1
 	par0.Border = false
 
-	par1 := termui.NewPar("你好，世界。")
+	par1 := ui.NewPar("你好，世界。")
 	par1.Height = 3
 	par1.Width = 17
 	par1.X = 20
 	par1.BorderLabel = "标签"
 
-	par2 := termui.NewPar("Simple colored text\nwith label. It [can be](fg-red) multilined with \\n or [break automatically](fg-red,fg-bold)")
+	par2 := ui.NewPar("Simple colored text\nwith label. It [can be](fg-red) multilined with \\n or [break automatically](fg-red,fg-bold)")
 	par2.Height = 5
 	par2.Width = 37
 	par2.Y = 4
 	par2.BorderLabel = "Multiline"
-	par2.BorderFg = termui.ColorYellow
+	par2.BorderFg = ui.ColorYellow
 
-	par3 := termui.NewPar("Long text with label and it is auto trimmed.")
+	par3 := ui.NewPar("Long text with label and it is auto trimmed.")
 	par3.Height = 3
 	par3.Width = 37
 	par3.Y = 9
 	par3.BorderLabel = "Auto Trim"
 
-	termui.Render(par0, par1, par2, par3)
+	ui.Render(par0, par1, par2, par3)
 
-	termui.Handle("/sys/kbd/q", func(termui.Event) {
-		termui.StopLoop()
+	ui.Handle("/sys/kbd/q", func(ui.Event) {
+		ui.StopLoop()
 	})
-	termui.Loop()
+
+	ui.Loop()
 
 }
diff --git a/_examples/piechart.go b/_examples/piechart.go
index c3af3a8..1504625 100644
--- a/_examples/piechart.go
+++ b/_examples/piechart.go
@@ -8,14 +8,13 @@ import (
 	"math/rand"
 	"time"
 
-	"github.com/gizak/termui"
+	ui "github.com/gizak/termui"
 )
 
 func main() {
-	if err := termui.Init(); err != nil {
-		panic(err)
-	}
-	defer termui.Close()
+	ui.Init()
+	defer ui.Close()
+
 	rand.Seed(time.Now().UTC().UnixNano())
 	randomDataAndOffset := func() (data []float64, offset float64) {
 		noSlices := 1 + rand.Intn(5)
@@ -28,7 +27,7 @@ func main() {
 	}
 	run := true
 
-	pc := termui.NewPieChart()
+	pc := ui.NewPieChart()
 	pc.BorderLabel = "Pie Chart"
 	pc.Width = 70
 	pc.Height = 36
@@ -38,26 +37,28 @@ func main() {
 		return fmt.Sprintf("%.02f", v)
 	}
 
-	termui.Handle("/timer/1s", func(e termui.Event) {
+	ui.Handle("/timer/1s", func(e ui.Event) {
 		if run {
 			pc.Data, pc.Offset = randomDataAndOffset()
-			termui.Render(pc)
+			ui.Render(pc)
 		}
 	})
 
-	termui.Handle("/sys/kbd/s", func(termui.Event) {
+	ui.Handle("/sys/kbd/s", func(ui.Event) {
 		run = !run
 		if run {
 			pc.BorderLabel = "Pie Chart"
 		} else {
 			pc.BorderLabel = "Pie Chart (Stopped)"
 		}
-		termui.Render(pc)
+		ui.Render(pc)
 	})
 
-	termui.Handle("/sys/kbd/q", func(termui.Event) {
-		termui.StopLoop()
+	ui.Handle("/sys/kbd/q", func(ui.Event) {
+		ui.StopLoop()
 	})
-	termui.Render(pc)
-	termui.Loop()
+
+	ui.Render(pc)
+
+	ui.Loop()
 }
diff --git a/_examples/sparklines.go b/_examples/sparklines.go
index ba4ef71..77baad7 100644
--- a/_examples/sparklines.go
+++ b/_examples/sparklines.go
@@ -6,64 +6,59 @@
 
 package main
 
-import "github.com/gizak/termui"
+import ui "github.com/gizak/termui"
 
 func main() {
-	err := termui.Init()
-	if err != nil {
-		panic(err)
-	}
-	defer termui.Close()
-
-	//termui.UseTheme("helloworld")
+	ui.Init()
+	defer ui.Close()
 
 	data := []int{4, 2, 1, 6, 3, 9, 1, 4, 2, 15, 14, 9, 8, 6, 10, 13, 15, 12, 10, 5, 3, 6, 1, 7, 10, 10, 14, 13, 6}
-	spl0 := termui.NewSparkline()
+	spl0 := ui.NewSparkline()
 	spl0.Data = data[3:]
 	spl0.Title = "Sparkline 0"
-	spl0.LineColor = termui.ColorGreen
+	spl0.LineColor = ui.ColorGreen
 
 	// single
-	spls0 := termui.NewSparklines(spl0)
+	spls0 := ui.NewSparklines(spl0)
 	spls0.Height = 2
 	spls0.Width = 20
 	spls0.Border = false
 
-	spl1 := termui.NewSparkline()
+	spl1 := ui.NewSparkline()
 	spl1.Data = data
 	spl1.Title = "Sparkline 1"
-	spl1.LineColor = termui.ColorRed
+	spl1.LineColor = ui.ColorRed
 
-	spl2 := termui.NewSparkline()
+	spl2 := ui.NewSparkline()
 	spl2.Data = data[5:]
 	spl2.Title = "Sparkline 2"
-	spl2.LineColor = termui.ColorMagenta
+	spl2.LineColor = ui.ColorMagenta
 
 	// group
-	spls1 := termui.NewSparklines(spl0, spl1, spl2)
+	spls1 := ui.NewSparklines(spl0, spl1, spl2)
 	spls1.Height = 8
 	spls1.Width = 20
 	spls1.Y = 3
 	spls1.BorderLabel = "Group Sparklines"
 
-	spl3 := termui.NewSparkline()
+	spl3 := ui.NewSparkline()
 	spl3.Data = data
 	spl3.Title = "Enlarged Sparkline"
 	spl3.Height = 8
-	spl3.LineColor = termui.ColorYellow
+	spl3.LineColor = ui.ColorYellow
 
-	spls2 := termui.NewSparklines(spl3)
+	spls2 := ui.NewSparklines(spl3)
 	spls2.Height = 11
 	spls2.Width = 30
-	spls2.BorderFg = termui.ColorCyan
+	spls2.BorderFg = ui.ColorCyan
 	spls2.X = 21
 	spls2.BorderLabel = "Tweeked Sparkline"
 
-	termui.Render(spls0, spls1, spls2)
+	ui.Render(spls0, spls1, spls2)
 
-	termui.Handle("/sys/kbd/q", func(termui.Event) {
-		termui.StopLoop()
+	ui.Handle("/sys/kbd/q", func(ui.Event) {
+		ui.StopLoop()
 	})
-	termui.Loop()
 
+	ui.Loop()
 }
diff --git a/_examples/table.go b/_examples/table.go
index 3bd352b..b746ad7 100644
--- a/_examples/table.go
+++ b/_examples/table.go
@@ -6,30 +6,28 @@
 
 package main
 
-import "github.com/gizak/termui"
+import ui "github.com/gizak/termui"
 
 func main() {
-	err := termui.Init()
-	if err != nil {
-		panic(err)
-	}
-	defer termui.Close()
+	ui.Init()
+	defer ui.Close()
+
 	rows1 := [][]string{
 		[]string{"header1", "header2", "header3"},
 		[]string{"你好吗", "Go-lang is so cool", "Im working on Ruby"},
 		[]string{"2016", "10", "11"},
 	}
 
-	table1 := termui.NewTable()
+	table1 := ui.NewTable()
 	table1.Rows = rows1
-	table1.FgColor = termui.ColorWhite
-	table1.BgColor = termui.ColorDefault
+	table1.FgColor = ui.ColorWhite
+	table1.BgColor = ui.ColorDefault
 	table1.Y = 0
 	table1.X = 0
 	table1.Width = 62
 	table1.Height = 7
 
-	termui.Render(table1)
+	ui.Render(table1)
 
 	rows2 := [][]string{
 		[]string{"header1", "header2", "header3"},
@@ -37,22 +35,24 @@ func main() {
 		[]string{"2016", "11", "11"},
 	}
 
-	table2 := termui.NewTable()
+	table2 := ui.NewTable()
 	table2.Rows = rows2
-	table2.FgColor = termui.ColorWhite
-	table2.BgColor = termui.ColorDefault
-	table2.TextAlign = termui.AlignCenter
+	table2.FgColor = ui.ColorWhite
+	table2.BgColor = ui.ColorDefault
+	table2.TextAlign = ui.AlignCenter
 	table2.Separator = false
 	table2.Analysis()
 	table2.SetSize()
-	table2.BgColors[2] = termui.ColorRed
+	table2.BgColors[2] = ui.ColorRed
 	table2.Y = 10
 	table2.X = 0
 	table2.Border = true
 
-	termui.Render(table2)
-	termui.Handle("/sys/kbd/q", func(termui.Event) {
-		termui.StopLoop()
+	ui.Render(table2)
+
+	ui.Handle("/sys/kbd/q", func(ui.Event) {
+		ui.StopLoop()
 	})
-	termui.Loop()
+
+	ui.Loop()
 }
diff --git a/_examples/tabs.go b/_examples/tabs.go
index 25be239..c25cf6b 100644
--- a/_examples/tabs.go
+++ b/_examples/tabs.go
@@ -7,36 +7,31 @@
 package main
 
 import (
-	"github.com/gizak/termui"
+	ui "github.com/gizak/termui"
 	"github.com/gizak/termui/extra"
 )
 
 func main() {
-	err := termui.Init()
-	if err != nil {
-		panic(err)
-	}
-	defer termui.Close()
+	ui.Init()
+	defer ui.Close()
 
-	//termui.UseTheme("helloworld")
-
-	header := termui.NewPar("Press q to quit, Press j or k to switch tabs")
+	header := ui.NewPar("Press q to quit, Press j or k to switch tabs")
 	header.Height = 1
 	header.Width = 50
 	header.Border = false
-	header.TextBgColor = termui.ColorBlue
+	header.TextBgColor = ui.ColorBlue
 
 	tab1 := extra.NewTab("pierwszy")
-	par2 := termui.NewPar("Press q to quit\nPress j or k to switch tabs\n")
+	par2 := ui.NewPar("Press q to quit\nPress j or k to switch tabs\n")
 	par2.Height = 5
 	par2.Width = 37
 	par2.Y = 0
 	par2.BorderLabel = "Keys"
-	par2.BorderFg = termui.ColorYellow
+	par2.BorderFg = ui.ColorYellow
 	tab1.AddBlocks(par2)
 
 	tab2 := extra.NewTab("drugi")
-	bc := termui.NewBarChart()
+	bc := ui.NewBarChart()
 	data := []int{3, 2, 5, 3, 9, 5, 3, 2, 5, 8, 3, 2, 4, 5, 3, 2, 5, 7, 5, 3, 2, 6, 7, 4, 6, 3, 6, 7, 8, 3, 6, 4, 5, 3, 2, 4, 6, 4, 8, 5, 9, 4, 3, 6, 5, 3, 6}
 	bclabels := []string{"S0", "S1", "S2", "S3", "S4", "S5"}
 	bc.BorderLabel = "Bar Chart"
@@ -44,9 +39,9 @@ func main() {
 	bc.Width = 26
 	bc.Height = 10
 	bc.DataLabels = bclabels
-	bc.TextColor = termui.ColorGreen
-	bc.BarColor = termui.ColorRed
-	bc.NumColor = termui.ColorYellow
+	bc.TextColor = ui.ColorGreen
+	bc.BarColor = ui.ColorRed
+	bc.NumColor = ui.ColorYellow
 	tab2.AddBlocks(bc)
 
 	tab3 := extra.NewTab("trzeci")
@@ -61,23 +56,23 @@ func main() {
 
 	tabpane.SetTabs(*tab1, *tab2, *tab3, *tab4, *tab5, *tab6)
 
-	termui.Render(header, tabpane)
+	ui.Render(header, tabpane)
 
-	termui.Handle("/sys/kbd/q", func(termui.Event) {
-		termui.StopLoop()
+	ui.Handle("/sys/kbd/q", func(ui.Event) {
+		ui.StopLoop()
 	})
 
-	termui.Handle("/sys/kbd/j", func(termui.Event) {
+	ui.Handle("/sys/kbd/j", func(ui.Event) {
 		tabpane.SetActiveLeft()
-		termui.Clear()
-		termui.Render(header, tabpane)
+		ui.Clear()
+		ui.Render(header, tabpane)
 	})
 
-	termui.Handle("/sys/kbd/k", func(termui.Event) {
+	ui.Handle("/sys/kbd/k", func(ui.Event) {
 		tabpane.SetActiveRight()
-		termui.Clear()
-		termui.Render(header, tabpane)
+		ui.Clear()
+		ui.Render(header, tabpane)
 	})
 
-	termui.Loop()
+	ui.Loop()
 }
diff --git a/_examples/theme.go b/_examples/theme.go
index ae0ba48..70cb8b5 100644
--- a/_examples/theme.go
+++ b/_examples/theme.go
@@ -13,10 +13,7 @@ import (
 )
 
 func main() {
-	err := ui.Init()
-	if err != nil {
-		panic(err)
-	}
+	ui.Init()
 	defer ui.Close()
 
 	// Deprecated
@@ -136,12 +133,15 @@ func main() {
 	}
 
 	ui.Render(p, list, g, sp, lc, bc, lc1, p1)
+
 	ui.Handle("/sys/kbd/q", func(ui.Event) {
 		ui.StopLoop()
 	})
+
 	ui.Handle("/timer/1s", func(e ui.Event) {
 		t := e.Data.(ui.EvtTimer)
 		draw(int(t.Count))
 	})
+
 	ui.Loop()
 }
diff --git a/_examples/ttop.go b/_examples/ttop.go
index c858b35..c049e25 100644
--- a/_examples/ttop.go
+++ b/_examples/ttop.go
@@ -18,7 +18,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/gizak/termui"
+	ui "github.com/gizak/termui"
 	"github.com/gizak/termui/extra"
 )
 
@@ -201,23 +201,23 @@ func getMemStats() (ms MemStat, err error) {
 }
 
 type CpuTabElems struct {
-	GMap   map[string]*termui.Gauge
-	LChart *termui.LineChart
+	GMap   map[string]*ui.Gauge
+	LChart *ui.LineChart
 }
 
 func NewCpuTabElems(width int) *CpuTabElems {
-	lc := termui.NewLineChart()
+	lc := ui.NewLineChart()
 	lc.Width = width
 	lc.Height = 12
 	lc.X = 0
 	lc.Mode = "dot"
 	lc.BorderLabel = "CPU"
-	return &CpuTabElems{GMap: make(map[string]*termui.Gauge),
+	return &CpuTabElems{GMap: make(map[string]*ui.Gauge),
 		LChart: lc}
 }
 
-func (cte *CpuTabElems) AddGauge(key string, Y int, width int) *termui.Gauge {
-	cte.GMap[key] = termui.NewGauge()
+func (cte *CpuTabElems) AddGauge(key string, Y int, width int) *ui.Gauge {
+	cte.GMap[key] = ui.NewGauge()
 	cte.GMap[key].Width = width
 	cte.GMap[key].Height = 3
 	cte.GMap[key].Y = Y
@@ -239,21 +239,21 @@ func (cte *CpuTabElems) Update(cs CpusStats) {
 }
 
 type MemTabElems struct {
-	Gauge  *termui.Gauge
-	SLines *termui.Sparklines
+	Gauge  *ui.Gauge
+	SLines *ui.Sparklines
 }
 
 func NewMemTabElems(width int) *MemTabElems {
-	g := termui.NewGauge()
+	g := ui.NewGauge()
 	g.Width = width
 	g.Height = 3
 	g.Y = 0
 
-	sline := termui.NewSparkline()
+	sline := ui.NewSparkline()
 	sline.Title = "MEM"
 	sline.Height = 8
 
-	sls := termui.NewSparklines(sline)
+	sls := ui.NewSparklines(sline)
 	sls.Width = width
 	sls.Height = 12
 	sls.Y = 3
@@ -275,21 +275,16 @@ func main() {
 	if runtime.GOOS != "linux" {
 		panic("Currently works only on Linux")
 	}
-	err := termui.Init()
-	if err != nil {
-		panic(err)
-	}
-	defer termui.Close()
+	ui.Init()
+	defer ui.Close()
 
 	termWidth := 70
 
-	//termui.UseTheme("helloworld")
-
-	header := termui.NewPar("Press q to quit, Press j or k to switch tabs")
+	header := ui.NewPar("Press q to quit, Press j or k to switch tabs")
 	header.Height = 1
 	header.Width = 50
 	header.Border = false
-	header.TextBgColor = termui.ColorBlue
+	header.TextBgColor = ui.ColorBlue
 
 	tabCpu := extra.NewTab("CPU")
 	tabMem := extra.NewTab("MEM")
@@ -333,23 +328,23 @@ func main() {
 
 	tabpane.SetTabs(*tabCpu, *tabMem)
 
-	termui.Render(header, tabpane)
+	ui.Render(header, tabpane)
 
-	termui.Handle("/sys/kbd/q", func(termui.Event) {
-		termui.StopLoop()
+	ui.Handle("/sys/kbd/q", func(ui.Event) {
+		ui.StopLoop()
 	})
 
-	termui.Handle("/sys/kbd/j", func(termui.Event) {
+	ui.Handle("/sys/kbd/j", func(ui.Event) {
 		tabpane.SetActiveLeft()
-		termui.Render(header, tabpane)
+		ui.Render(header, tabpane)
 	})
 
-	termui.Handle("/sys/kbd/k", func(termui.Event) {
+	ui.Handle("/sys/kbd/k", func(ui.Event) {
 		tabpane.SetActiveRight()
-		termui.Render(header, tabpane)
+		ui.Render(header, tabpane)
 	})
 
-	termui.Handle("/timer/1s", func(e termui.Event) {
+	ui.Handle("/timer/1s", func(e ui.Event) {
 		cs, errcs := getCpusStatsMap()
 		if errcs != nil {
 			panic(errcs)
@@ -362,8 +357,8 @@ func main() {
 			panic(errm)
 		}
 		memTabElems.Update(ms)
-		termui.Render(header, tabpane)
+		ui.Render(header, tabpane)
 	})
 
-	termui.Loop()
+	ui.Loop()
 }
diff --git a/_examples/wrapper.go b/_examples/wrapper.go
index 4f6d18e..c63469b 100644
--- a/_examples/wrapper.go
+++ b/_examples/wrapper.go
@@ -9,11 +9,7 @@ package main
 import ui "github.com/gizak/termui"
 
 func main() {
-
-	err := ui.Init()
-	if err != nil {
-		panic(err)
-	}
+	ui.Init()
 	defer ui.Close()
 
 	p := ui.NewPar("Press q to QUIT THE DEMO. [There](fg-blue) are other things [that](fg-red) are going to fit in here I think. What do you think? Now is the time for all good [men to](bg-blue) come to the aid of their country. [This is going to be one really really really long line](fg-green) that is going to go together and stuffs and things. Let's see how this thing renders out.\n    Here is a new paragraph and stuffs and things. There should be a tab indent at the beginning of the paragraph. Let's see if that worked as well.")
diff --git a/barchart.go b/barchart.go
index 84c347a..a6e2c10 100644
--- a/barchart.go
+++ b/barchart.go
@@ -40,15 +40,16 @@ type BarChart struct {
 
 // NewBarChart returns a new *BarChart with current theme.
 func NewBarChart() *BarChart {
-	bc := &BarChart{Block: *NewBlock()}
-	bc.BarColor = ThemeAttr("barchart.bar.bg")
-	bc.NumColor = ThemeAttr("barchart.num.fg")
-	bc.TextColor = ThemeAttr("barchart.text.fg")
-	bc.NumFmt = func(n int) string { return fmt.Sprint(n) }
-	bc.BarGap = 1
-	bc.BarWidth = 3
-	bc.CellChar = ' '
-	return bc
+	return &BarChart{
+		Block:     *NewBlock(),
+		BarColor:  ThemeAttr("barchart.bar.bg"),
+		NumColor:  ThemeAttr("barchart.num.fg"),
+		TextColor: ThemeAttr("barchart.text.fg"),
+		NumFmt:    func(n int) string { return fmt.Sprint(n) },
+		BarGap:    1,
+		BarWidth:  3,
+		CellChar:  ' ',
+	}
 }
 
 func (bc *BarChart) layout() {
@@ -77,7 +78,6 @@ func (bc *BarChart) layout() {
 }
 
 func (bc *BarChart) SetMax(max int) {
-
 	if max > 0 {
 		bc.max = max
 	}
diff --git a/block.go b/block.go
index 3e8571b..a402f9c 100644
--- a/block.go
+++ b/block.go
@@ -125,23 +125,23 @@ type Block struct {
 
 // NewBlock returns a *Block which inherits styles from current theme.
 func NewBlock() *Block {
-	b := Block{}
-	b.Display = true
-	b.Border = true
-	b.BorderLeft = true
-	b.BorderRight = true
-	b.BorderTop = true
-	b.BorderBottom = true
-	b.BorderBg = ThemeAttr("border.bg")
-	b.BorderFg = ThemeAttr("border.fg")
-	b.BorderLabelBg = ThemeAttr("label.bg")
-	b.BorderLabelFg = ThemeAttr("label.fg")
-	b.Bg = ThemeAttr("block.bg")
-	b.Width = 2
-	b.Height = 2
-	b.id = GenId()
-	b.Float = AlignNone
-	return &b
+	return &Block{
+		Display:       true,
+		Border:        true,
+		BorderLeft:    true,
+		BorderRight:   true,
+		BorderTop:     true,
+		BorderBottom:  true,
+		BorderBg:      ThemeAttr("border.bg"),
+		BorderFg:      ThemeAttr("border.fg"),
+		BorderLabelBg: ThemeAttr("label.bg"),
+		BorderLabelFg: ThemeAttr("label.fg"),
+		Bg:            ThemeAttr("block.bg"),
+		Width:         2,
+		Height:        2,
+		id:            GenId(),
+		Float:         AlignNone,
+	}
 }
 
 func (b Block) Id() string {
diff --git a/block_test.go b/block_test.go
index 8194179..9c65650 100644
--- a/block_test.go
+++ b/block_test.go
@@ -4,9 +4,7 @@
 
 package termui
 
-import (
-	"testing"
-)
+import "testing"
 
 func TestBlockFloat(t *testing.T) {
 	Init()
diff --git a/gauge.go b/gauge.go
index 9f6ce3a..7a6d748 100644
--- a/gauge.go
+++ b/gauge.go
@@ -43,7 +43,6 @@ func NewGauge() *Gauge {
 		LabelAlign:              AlignCenter,
 		PercentColorHighlighted: ColorUndef,
 	}
-
 	g.Width = 12
 	g.Height = 5
 	return g
diff --git a/helper.go b/helper.go
index b15496e..cf6bb64 100644
--- a/helper.go
+++ b/helper.go
@@ -8,9 +8,9 @@ import (
 	"regexp"
 	"strings"
 
-	tm "github.com/nsf/termbox-go"
+	rw "github.com/mattn/go-runewidth"
+	tb "github.com/nsf/termbox-go"
 )
-import rw "github.com/mattn/go-runewidth"
 
 /* ---------------Port from termbox-go --------------------- */
 
@@ -59,8 +59,8 @@ const (
 
 /* ----------------------- End ----------------------------- */
 
-func toTmAttr(x Attribute) tm.Attribute {
-	return tm.Attribute(x)
+func toTmAttr(x Attribute) tb.Attribute {
+	return tb.Attribute(x)
 }
 
 func str2runes(s string) []rune {
@@ -237,14 +237,14 @@ func CellsToStr(cs []Cell) string {
 func SetOutputMode(mode OutputMode) {
 	switch mode {
 	case OutputCurrent:
-		tm.SetOutputMode(tm.OutputCurrent)
+		tb.SetOutputMode(tb.OutputCurrent)
 	case OutputNormal:
-		tm.SetOutputMode(tm.OutputNormal)
+		tb.SetOutputMode(tb.OutputNormal)
 	case Output256:
-		tm.SetOutputMode(tm.Output256)
+		tb.SetOutputMode(tb.Output256)
 	case Output216:
-		tm.SetOutputMode(tm.Output216)
+		tb.SetOutputMode(tb.Output216)
 	case OutputGrayscale:
-		tm.SetOutputMode(tm.OutputGrayscale)
+		tb.SetOutputMode(tb.OutputGrayscale)
 	}
 }
diff --git a/linechart.go b/linechart.go
index e55b6c1..0ceae45 100644
--- a/linechart.go
+++ b/linechart.go
@@ -79,21 +79,22 @@ type LineChart struct {
 
 // NewLineChart returns a new LineChart with current theme.
 func NewLineChart() *LineChart {
-	lc := &LineChart{Block: *NewBlock()}
-	lc.AxesColor = ThemeAttr("linechart.axes.fg")
-	lc.defaultLineColor = ThemeAttr("linechart.line.fg")
-	lc.Mode = "braille"
-	lc.DotStyle = '•'
-	lc.Data = make(map[string][]float64)
-	lc.LineColor = make(map[string]Attribute)
-	lc.axisXLabelGap = 2
-	lc.axisYLabelGap = 1
-	lc.bottomValue = math.Inf(1)
-	lc.topValue = math.Inf(-1)
-	lc.YPadding = 0.2
-	lc.YFloor = math.Inf(-1)
-	lc.YCeil = math.Inf(1)
-	return lc
+	return &LineChart{
+		Block:            *NewBlock(),
+		AxesColor:        ThemeAttr("linechart.axes.fg"),
+		defaultLineColor: ThemeAttr("linechart.line.fg"),
+		Mode:             "braille",
+		DotStyle:         '•',
+		Data:             make(map[string][]float64),
+		LineColor:        make(map[string]Attribute),
+		axisXLabelGap:    2,
+		axisYLabelGap:    1,
+		bottomValue:      math.Inf(1),
+		topValue:         math.Inf(-1),
+		YPadding:         0.2,
+		YFloor:           math.Inf(-1),
+		YCeil:            math.Inf(1),
+	}
 }
 
 // one cell contains two data points, so capicity is 2x dot mode
diff --git a/list.go b/list.go
index 5a59215..441d48b 100644
--- a/list.go
+++ b/list.go
@@ -39,11 +39,12 @@ type List struct {
 
 // NewList returns a new *List with current theme.
 func NewList() *List {
-	l := &List{Block: *NewBlock()}
-	l.Overflow = "hidden"
-	l.ItemFgColor = ThemeAttr("list.item.fg")
-	l.ItemBgColor = ThemeAttr("list.item.bg")
-	return l
+	return &List{
+		Block:       *NewBlock(),
+		Overflow:    "hidden",
+		ItemFgColor: ThemeAttr("list.item.fg"),
+		ItemBgColor: ThemeAttr("list.item.bg"),
+	}
 }
 
 // Buffer implements Bufferer interface.
@@ -85,5 +86,6 @@ func (l *List) Buffer() Buffer {
 			}
 		}
 	}
+
 	return buf
 }
diff --git a/mbarchart.go b/mbarchart.go
index b3f774b..a9df9cf 100644
--- a/mbarchart.go
+++ b/mbarchart.go
@@ -46,16 +46,18 @@ type MBarChart struct {
 	maxScale   []rune
 }
 
-// NewBarChart returns a new *BarChart with current theme.
+// NewMBarChart returns a new *MBarChart with current theme.
 func NewMBarChart() *MBarChart {
-	bc := &MBarChart{Block: *NewBlock()}
-	bc.BarColor[0] = ThemeAttr("mbarchart.bar.bg")
-	bc.NumColor[0] = ThemeAttr("mbarchart.num.fg")
-	bc.TextColor = ThemeAttr("mbarchart.text.fg")
-	bc.NumFmt = func(n int) string { return fmt.Sprint(n) }
-	bc.BarGap = 1
-	bc.BarWidth = 3
-	return bc
+	mbc := &MBarChart{
+		Block:     *NewBlock(),
+		TextColor: ThemeAttr("mbarchart.text.fg"),
+		NumFmt:    func(n int) string { return fmt.Sprint(n) },
+		BarGap:    1,
+		BarWidth:  3,
+	}
+	mbc.BarColor[0] = ThemeAttr("mbarchart.bar.bg")
+	mbc.NumColor[0] = ThemeAttr("mbarchart.num.fg")
+	return mbc
 }
 
 func (bc *MBarChart) layout() {
@@ -139,7 +141,6 @@ func (bc *MBarChart) layout() {
 }
 
 func (bc *MBarChart) SetMax(max int) {
-
 	if max > 0 {
 		bc.max = max
 	}
@@ -148,7 +149,9 @@ func (bc *MBarChart) SetMax(max int) {
 // Buffer implements Bufferer interface.
 func (bc *MBarChart) Buffer() Buffer {
 	buf := bc.Block.Buffer()
+
 	bc.layout()
+
 	var oftX int
 
 	for i := 0; i < bc.numBar && i < bc.minDataLen && i < len(bc.DataLabels); i++ {
diff --git a/render.go b/render.go
index 999e632..efea961 100644
--- a/render.go
+++ b/render.go
@@ -10,7 +10,7 @@ import (
 	"sync"
 	"time"
 
-	tm "github.com/nsf/termbox-go"
+	tb "github.com/nsf/termbox-go"
 )
 
 // Bufferer should be implemented by all renderable components.
@@ -21,10 +21,10 @@ type Bufferer interface {
 // Init initializes termui library. This function should be called before any others.
 // After initialization, the library must be finalized by 'Close' function.
 func Init() error {
-	if err := tm.Init(); err != nil {
+	if err := tb.Init(); err != nil {
 		return err
 	}
-	tm.SetInputMode(tm.InputEsc | tm.InputMouse)
+	tb.SetInputMode(tb.InputEsc | tb.InputMouse)
 	DefaultEvtStream = NewEvtStream()
 
 	sysEvtChs = make([]chan Event, 0)
@@ -65,15 +65,15 @@ func Init() error {
 // Close finalizes termui library,
 // should be called after successful initialization when termui's functionality isn't required anymore.
 func Close() {
-	tm.Close()
+	tb.Close()
 }
 
 var renderLock sync.Mutex
 
 func termSync() {
 	renderLock.Lock()
-	tm.Sync()
-	termWidth, termHeight = tm.Size()
+	tb.Sync()
+	termWidth, termHeight = tb.Size()
 	renderLock.Unlock()
 }
 
@@ -105,7 +105,7 @@ func render(bs ...Bufferer) {
 		for p, c := range buf.CellMap {
 			if p.In(buf.Area) {
 
-				tm.SetCell(p.X, p.Y, c.Ch, toTmAttr(c.Fg), toTmAttr(c.Bg))
+				tb.SetCell(p.X, p.Y, c.Ch, toTmAttr(c.Fg), toTmAttr(c.Bg))
 
 			}
 		}
@@ -114,25 +114,25 @@ func render(bs ...Bufferer) {
 
 	renderLock.Lock()
 	// render
-	tm.Flush()
+	tb.Flush()
 	renderLock.Unlock()
 }
 
 func Clear() {
-	tm.Clear(tm.ColorDefault, toTmAttr(ThemeAttr("bg")))
+	tb.Clear(tb.ColorDefault, toTmAttr(ThemeAttr("bg")))
 }
 
 func clearArea(r image.Rectangle, bg Attribute) {
 	for i := r.Min.X; i < r.Max.X; i++ {
 		for j := r.Min.Y; j < r.Max.Y; j++ {
-			tm.SetCell(i, j, ' ', tm.ColorDefault, toTmAttr(bg))
+			tb.SetCell(i, j, ' ', tb.ColorDefault, toTmAttr(bg))
 		}
 	}
 }
 
 func ClearArea(r image.Rectangle, bg Attribute) {
 	clearArea(r, bg)
-	tm.Flush()
+	tb.Flush()
 }
 
 var renderJobs chan []Bufferer
diff --git a/sparkline.go b/sparkline.go
index 75e7c52..6fb5393 100644
--- a/sparkline.go
+++ b/sparkline.go
@@ -53,8 +53,7 @@ func NewSparkline() Sparkline {
 
 // NewSparklines return a new *Sparklines with given Sparkline(s), you can always add a new Sparkline later.
 func NewSparklines(ss ...Sparkline) *Sparklines {
-	s := &Sparklines{Block: *NewBlock(), Lines: ss}
-	return s
+	return &Sparklines{Block: *NewBlock(), Lines: ss}
 }
 
 func (sl *Sparklines) update() {
diff --git a/table.go b/table.go
index 40351a5..5f212e3 100644
--- a/table.go
+++ b/table.go
@@ -51,11 +51,12 @@ type Table struct {
 
 // NewTable returns a new Table instance
 func NewTable() *Table {
-	table := &Table{Block: *NewBlock()}
-	table.FgColor = ColorWhite
-	table.BgColor = ColorDefault
-	table.Separator = true
-	return table
+	return &Table{
+		Block:     *NewBlock(),
+		FgColor:   ColorWhite,
+		BgColor:   ColorDefault,
+		Separator: true,
+	}
 }
 
 // CellsWidth calculates the width of a cell array and returns an int
diff --git a/theme.go b/theme.go
index 70f5024..c5c719d 100644
--- a/theme.go
+++ b/theme.go
@@ -103,7 +103,6 @@ func ThemeAttr(name string) Attribute {
 }
 
 func lookUpAttr(clrmap map[string]Attribute, name string) Attribute {
-
 	a, ok := clrmap[name]
 	if ok {
 		return a
diff --git a/widget.go b/widget.go
index 80276bf..5a0d606 100644
--- a/widget.go
+++ b/widget.go
@@ -33,7 +33,6 @@ func NewWgtInfo(wgt Widget) WgtInfo {
 func NewWgtMgr() WgtMgr {
 	wm := WgtMgr(make(map[string]WgtInfo))
 	return wm
-
 }
 
 func (wm WgtMgr) AddWgt(wgt Widget) {