func main() {
	err := termui.Init()
	if err != nil {
		panic(err)
	}
	defer termui.Close()

	termui.UseTheme("helloworld")

	strs := []string{
		"[0] github.com/gizak/termui",
		"[1] 你好，世界",
		"[2] こんにちは世界",
		"[3] keyboard.go",
		"[4] output.go",
		"[5] random_out.go",
		"[6] dashboard.go",
		"[7] nsf/termbox-go"}

	ls := termui.NewList()
	ls.Items = strs
	ls.ItemFgColor = termui.ColorYellow
	ls.Border.Label = "List"
	ls.Height = 7
	ls.Width = 25
	ls.Y = 0

	termui.Render(ls)

	<-termui.EventCh()
}

func main() {
	err := termui.Init()
	if err != nil {
		panic(err)
	}
	defer termui.Close()

	termui.UseTheme("helloworld")

	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.Border.Label = "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

	termui.Render(bc)

	<-termui.EventCh()
}

func init() {
	err := termui.Init()
	if err != nil {
		panic(err)
	}

	termui.UseTheme("default")

	ui = NewUi()

	refreshTicker := time.NewTicker(time.Millisecond * 50)
	evt := termui.EventCh()

	ui.refresh()

	go func() {
		for {
			select {
			case e := <-evt:
				if e.Type == termui.EventKey && e.Ch == 'q' {
					os.Exit(1)
				}
				if e.Type == termui.EventResize {
					ui.gridWidth = termui.TermWidth()
					ui.refresh()
				}
			case <-refreshTicker.C:
				ui.refresh()
			}
		}
	}()
}

// Init creates widgets, sets sizes and labels.
func (t *TermUISingle) Init(data UIData) error {
	err := termui.Init()
	if err != nil {
		return err
	}

	t.Sparklines = make(map[VarName]*termui.Sparkline)

	termui.UseTheme("helloworld")

	t.Title = func() *termui.Par {
		p := termui.NewPar("")
		p.Height = 3
		p.TextFgColor = termui.ColorWhite
		p.Border.Label = "Services Monitor"
		p.Border.FgColor = termui.ColorCyan
		return p
	}()
	t.Status = func() *termui.Par {
		p := termui.NewPar("")
		p.Height = 3
		p.TextFgColor = termui.ColorWhite
		p.Border.Label = "Status"
		p.Border.FgColor = termui.ColorCyan
		return p
	}()

	t.Pars = make([]*termui.Par, len(data.Vars))
	for i, name := range data.Vars {
		par := termui.NewPar("")
		par.TextFgColor = colorByKind(name.Kind())
		par.Border.Label = name.Short()
		par.Border.LabelFgColor = termui.ColorGreen
		par.Height = 3
		t.Pars[i] = par
	}

	var sparklines []termui.Sparkline
	for _, name := range data.Vars {
		spl := termui.NewSparkline()
		spl.Height = 1
		spl.TitleColor = colorByKind(name.Kind())
		spl.LineColor = colorByKind(name.Kind())
		spl.Title = name.Long()
		sparklines = append(sparklines, spl)
	}

	t.Sparkline = func() *termui.Sparklines {
		s := termui.NewSparklines(sparklines...)
		s.Height = 2*len(sparklines) + 2
		s.HasBorder = true
		s.Border.Label = fmt.Sprintf("Monitoring")
		return s
	}()

	t.Relayout()

	return nil
}

func newTerminalUI(appName string) error {
	if err := ui.Init(); err != nil {
		return err
	}
	ui.UseTheme("helloworld")

	// usage text
	usageText := fmt.Sprintf(`Show live statistics for [%s]

:Press 'q' or 'ctrl-c' to exit
:Press 'PageUp' to increase app instances
:Press 'PageDown' to decrease app instances`, appName)
	usage := ui.NewPar(usageText)
	usage.Height = 12
	usage.TextFgColor = ui.ColorWhite
	usage.Border.Label = "Usage"
	usage.Border.FgColor = ui.ColorCyan

	// summary text
	summary := ui.NewPar("")
	summary.Height = 12
	summary.TextFgColor = ui.ColorRed
	summary.Border.Label = "Summary"
	summary.Border.FgColor = ui.ColorCyan

	// cpu sparklines
	data := [400]int{}
	line := ui.NewSparkline()
	line.Data = data[:]
	line.Height = 4
	line.LineColor = colors[0]
	cpu := ui.NewSparklines(line)
	cpu.Height = 7
	cpu.Border.Label = "CPU Usage"

	// memory gauges
	mem := make([]*ui.Gauge, 1)
	for i := range mem {
		mem[i] = ui.NewGauge()
		mem[i].Percent = 0
		mem[i].Height = 5
	}

	// disk bars
	disk := ui.NewBarChart()
	disk.Border.Label = "Disk Usage (in MB)"
	disk.Data = []int{0, 0, 0, 0, 0, 0, 0, 0}
	disk.Height = 12
	disk.BarWidth = 10
	disk.DataLabels = []string{"I: 0", "I: 1", "I: 2", "I: 3", "I: 4", "I: 5", "I: 6", "I: 7"}
	disk.TextColor = ui.ColorWhite
	disk.BarColor = ui.ColorYellow
	disk.NumColor = ui.ColorWhite

	term = &TerminalUI{ui.Body, usage, summary, cpu, mem, disk}
	return nil
}

func main() {
	err := termui.Init()
	if err != nil {
		panic(err)
	}
	defer termui.Close()

	termui.UseTheme("helloworld")

	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.Data = data[3:]
	spl0.Title = "Sparkline 0"
	spl0.LineColor = termui.ColorGreen

	// single
	spls0 := termui.NewSparklines(spl0)
	spls0.Height = 2
	spls0.Width = 20
	spls0.HasBorder = false

	spl1 := termui.NewSparkline()
	spl1.Data = data
	spl1.Title = "Sparkline 1"
	spl1.LineColor = termui.ColorRed

	spl2 := termui.NewSparkline()
	spl2.Data = data[5:]
	spl2.Title = "Sparkline 2"
	spl2.LineColor = termui.ColorMagenta

	// group
	spls1 := termui.NewSparklines(spl0, spl1, spl2)
	spls1.Height = 8
	spls1.Width = 20
	spls1.Y = 3
	spls1.Border.Label = "Group Sparklines"

	spl3 := termui.NewSparkline()
	spl3.Data = data
	spl3.Title = "Enlarged Sparkline"
	spl3.Height = 8
	spl3.LineColor = termui.ColorYellow

	spls2 := termui.NewSparklines(spl3)
	spls2.Height = 11
	spls2.Width = 30
	spls2.Border.FgColor = termui.ColorCyan
	spls2.X = 21
	spls2.Border.Label = "Tweeked Sparkline"

	termui.Render(spls0, spls1, spls2)

	<-termui.EventCh()
}

func main() {
	err := termui.Init()
	if err != nil {
		panic(err)
	}
	defer termui.Close()

	termui.UseTheme("helloworld")

	sinps := (func() []float64 {
		n := 220
		ps := make([]float64, n)
		for i := range ps {
			ps[i] = 1 + math.Sin(float64(i)/5)
		}
		return ps
	})()

	lc0 := termui.NewLineChart()
	lc0.Border.Label = "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 = termui.ColorGreen | termui.AttrBold

	lc1 := termui.NewLineChart()
	lc1.Border.Label = "dot-mode Line Chart"
	lc1.Mode = "dot"
	lc1.Data = sinps
	lc1.Width = 26
	lc1.Height = 12
	lc1.X = 51
	lc1.DotStyle = '+'
	lc1.AxesColor = termui.ColorWhite
	lc1.LineColor = termui.ColorYellow | termui.AttrBold

	lc2 := termui.NewLineChart()
	lc2.Border.Label = "dot-mode Line Chart"
	lc2.Mode = "dot"
	lc2.Data = sinps[4:]
	lc2.Width = 77
	lc2.Height = 16
	lc2.X = 0
	lc2.Y = 12
	lc2.AxesColor = termui.ColorWhite
	lc2.LineColor = termui.ColorCyan | termui.AttrBold

	termui.Render(lc0, lc1, lc2)

	<-termui.EventCh()
}

func main() {
	err := termui.Init()
	if err != nil {
		panic(err)
	}
	defer termui.Close()

	termui.UseTheme("helloworld")

	g0 := termui.NewGauge()
	g0.Percent = 40
	g0.Width = 50
	g0.Height = 3
	g0.Border.Label = "Slim Gauge"
	g0.BarColor = termui.ColorRed
	g0.Border.FgColor = termui.ColorWhite
	g0.Border.LabelFgColor = termui.ColorCyan

	g2 := termui.NewGauge()
	g2.Percent = 60
	g2.Width = 50
	g2.Height = 3
	g2.PercentColor = termui.ColorBlue
	g2.Y = 3
	g2.Border.Label = "Slim Gauge"
	g2.BarColor = termui.ColorYellow
	g2.Border.FgColor = termui.ColorWhite

	g1 := termui.NewGauge()
	g1.Percent = 30
	g1.Width = 50
	g1.Height = 5
	g1.Y = 6
	g1.Border.Label = "Big Gauge"
	g1.PercentColor = termui.ColorYellow
	g1.BarColor = termui.ColorGreen
	g1.Border.FgColor = termui.ColorWhite
	g1.Border.LabelFgColor = termui.ColorMagenta

	g3 := termui.NewGauge()
	g3.Percent = 50
	g3.Width = 50
	g3.Height = 3
	g3.Y = 11
	g3.Border.Label = "Gauge with custom label"
	g3.Label = "{{percent}}% (100MBs free)"
	g3.LabelAlign = termui.AlignRight

	termui.Render(g0, g1, g2, g3)

	<-termui.EventCh()
}

// TODO make new widget traffic light
// Waiting for canvas from termui
func initWidgets() (*ui.List, *ui.Par, *ui.Par, *ui.Par, *ui.Par) {
	ui.UseTheme("Jenkins Term UI")

	title := "q to quit - " + *jenkinsUrl
	if *filter != "" {
		title += " filter on " + *filter
	}
	p := ui.NewPar(title)
	_, h := tm.Size()
	p.Height = 3
	p.TextFgColor = ui.ColorWhite
	p.Border.Label = "Go Jenkins Dashboard"
	p.Border.FgColor = ui.ColorCyan

	info := ui.NewPar("")
	info.Height = 3
	info.Y = h - 3
	info.TextFgColor = ui.ColorWhite
	info.Border.FgColor = ui.ColorWhite

	ls := ui.NewList()
	ls.ItemFgColor = ui.ColorYellow
	ls.Border.Label = "Jobs"
	ls.Y = 3
	ls.Height = h - 6

	width, height := 4, 5
	redbox, yellowbox, greenbox := ui.NewPar(""), ui.NewPar(""), ui.NewPar("")
	redbox.HasBorder, yellowbox.HasBorder, greenbox.HasBorder = false, false, false
	redbox.Height, yellowbox.Height, greenbox.Height = height, height, height
	redbox.Width, yellowbox.Width, greenbox.Width = width, width, width
	redbox.BgColor = ui.ColorRed
	yellowbox.BgColor = ui.ColorYellow
	greenbox.BgColor = ui.ColorGreen

	ui.Body.AddRows(
		ui.NewRow(
			ui.NewCol(12, 0, p),
		),
		ui.NewRow(
			ui.NewCol(10, 0, ls),
			ui.NewCol(2, 0, redbox, yellowbox, greenbox),
		),
		ui.NewRow(
			ui.NewCol(12, 0, info),
		),
	)
	ui.Body.Align()
	ui.Render(ui.Body)
	return ls, info, redbox, yellowbox, greenbox
}

func main() {
	err := termui.Init()
	if err != nil {
		panic(err)
	}
	defer termui.Close()

	if termutil.Isatty(os.Stdin.Fd()) {
		panic("...")
	}

	eventChan := make(chan termbox.Event)
	go func() {
		for {
			eventChan <- termbox.PollEvent()
		}
	}()

	dataChan := make(chan string)
	go func() {
		scanner := bufio.NewScanner(os.Stdin)
		for scanner.Scan() {
			dataChan <- scanner.Text()
		}
		if err := scanner.Err(); err != nil {
			panic(err)
		}
	}()

	summary := cntbar.NewSummary()
	tick := time.Tick(tickInterval)
	termui.UseTheme("helloworld")

	render(summary)

	for {
		select {
		case event := <-eventChan:
			if event.Type == termbox.EventKey && event.Ch == 'q' {
				return
			}
		case data := <-dataChan:
			summary.CountUp(data)
		case <-tick:
			render(summary)
		}
	}
}

func main() {
	err := termui.Init()
	if err != nil {
		panic(err)
	}
	defer termui.Close()

	termui.UseTheme("helloworld")

	g0 := termui.NewGauge()
	g0.Percent = 40
	g0.Width = 50
	g0.Height = 3
	g0.Border.Label = "Slim Gauge"
	g0.BarColor = termui.ColorRed
	g0.Border.FgColor = termui.ColorWhite
	g0.Border.LabelFgColor = termui.ColorCyan

	g2 := termui.NewGauge()
	g2.Percent = 60
	g2.Width = 50
	g2.Height = 3
	g2.PercentColor = termui.ColorBlue
	g2.Y = 3
	g2.Border.Label = "Slim Gauge"
	g2.BarColor = termui.ColorYellow
	g2.Border.FgColor = termui.ColorWhite

	g1 := termui.NewGauge()
	g1.Percent = 30
	g1.Width = 50
	g1.Height = 5
	g1.Y = 6
	g1.Border.Label = "Big Gauge"
	g1.PercentColor = termui.ColorYellow
	g1.BarColor = termui.ColorGreen
	g1.Border.FgColor = termui.ColorWhite
	g1.Border.LabelFgColor = termui.ColorMagenta

	termui.Render(g0, g1, g2)

	termbox.PollEvent()
}

func main() {
	err := termui.Init()
	if err != nil {
		panic(err)
	}
	defer termui.Close()

	termui.UseTheme("helloworld")

	bc := termui.NewMBarChart()
	math := []int{90, 85, 90, 80}
	english := []int{70, 85, 75, 60}
	science := []int{75, 60, 80, 85}
	compsci := []int{100, 100, 100, 100}
	bc.Data[0] = math
	bc.Data[1] = english
	bc.Data[2] = science
	bc.Data[3] = compsci
	studentsName := []string{"Ken", "Rob", "Dennis", "Linus"}
	bc.Border.Label = "Student's Marks X-Axis=Name Y-Axis=Marks[Math,English,Science,ComputerScience] in %"
	bc.Width = 100
	bc.Height = 50
	bc.Y = 10
	bc.BarWidth = 10
	bc.DataLabels = studentsName
	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

	//Other colors are automatically populated, btw All the students seems do well in computerscience. :p

	termui.Render(bc)

	<-termui.EventCh()
}

func main() {
	err := termui.Init()
	if err != nil {
		panic(err)
	}
	defer termui.Close()

	termui.UseTheme("helloworld")

	par0 := termui.NewPar("Borderless Text")
	par0.Height = 1
	par0.Width = 20
	par0.Y = 1
	par0.HasBorder = false

	par1 := termui.NewPar("你好，世界。")
	par1.Height = 3
	par1.Width = 17
	par1.X = 20
	par1.Border.Label = "标签"

	par2 := termui.NewPar("Simple colored text\nwith label. It [can be](RED) multilined with \\n or [break automatically](GREEN, BOLD)")
	par2.RendererFactory = termui.MarkdownTextRendererFactory{}
	par2.Height = 5
	par2.Width = 37
	par2.Y = 4
	par2.Border.Label = "Multiline"
	par2.Border.FgColor = termui.ColorYellow

	par3 := termui.NewPar("Long text with label and it is auto trimmed.")
	par3.Height = 3
	par3.Width = 37
	par3.Y = 9
	par3.Border.Label = "Auto Trim"

	termui.Render(par0, par1, par2, par3)

	<-termui.EventCh()
}

func main() {
	err := termui.Init()
	if err != nil {
		panic(err)
	}
	defer termui.Close()

	termui.UseTheme("helloworld")

	par0 := termui.NewPar("Borderless Text")
	par0.Height = 1
	par0.Width = 20
	par0.Y = 1
	par0.HasBorder = false

	par1 := termui.NewPar("你好，世界。")
	par1.Height = 3
	par1.Width = 17
	par1.X = 20
	par1.Border.Label = "标签"

	par2 := termui.NewPar("Simple text\nwith label. It can be multilined with \\n or break automatically")
	par2.Height = 5
	par2.Width = 37
	par2.Y = 4
	par2.Border.Label = "Multiline"
	par2.Border.FgColor = termui.ColorYellow

	par3 := termui.NewPar("Long text with label and it is auto trimmed.")
	par3.Height = 3
	par3.Width = 37
	par3.Y = 9
	par3.Border.Label = "Auto Trim"

	termui.Render(par0, par1, par2, par3)

	termbox.PollEvent()
}

func main() {
	err := termui.Init()
	if err != nil {
		panic(err)
	}
	defer termui.Close()

	hiddenMarkdownList := hideList(markdownList())
	wrappedMarkdownList := wrapList(markdownList())

	hiddenEscapeList := hideList(escapeList())
	wrappedEscapeList := wrapList(escapeList())

	lists := []termui.Bufferer{
		hiddenEscapeList,
		hiddenMarkdownList,
		wrappedMarkdownList,
		wrappedEscapeList,
	}

	termui.UseTheme("helloworld")
	termui.Render(lists...)
	termbox.PollEvent()
}

func main() {
	err := ui.Init()
	if err != nil {
		panic(err)
	}
	defer ui.Close()

	sinps := (func() []float64 {
		n := 400
		ps := make([]float64, n)
		for i := range ps {
			ps[i] = 1 + math.Sin(float64(i)/5)
		}
		return ps
	})()
	sinpsint := (func() []int {
		ps := make([]int, len(sinps))
		for i, v := range sinps {
			ps[i] = int(100*v + 10)
		}
		return ps
	})()

	ui.UseTheme("helloworld")

	spark := ui.Sparkline{}
	spark.Height = 8
	spdata := sinpsint
	spark.Data = spdata
	spark.LineColor = ui.ColorCyan
	spark.TitleColor = ui.ColorWhite

	sp := ui.NewSparklines(spark)
	sp.Height = 11
	sp.Border.Label = "Sparkline"

	lc := ui.NewLineChart()
	lc.Border.Label = "braille-mode Line Chart"
	lc.Data = sinps
	lc.Height = 11
	lc.AxesColor = ui.ColorWhite
	lc.LineColor = ui.ColorYellow | ui.AttrBold

	gs := make([]*ui.Gauge, 3)
	for i := range gs {
		gs[i] = ui.NewGauge()
		gs[i].Height = 2
		gs[i].HasBorder = false
		gs[i].Percent = i * 10
		gs[i].PaddingBottom = 1
		gs[i].BarColor = ui.ColorRed
	}

	ls := ui.NewList()
	ls.HasBorder = false
	ls.Items = []string{
		"[1] Downloading File 1",
		"", // == \newline
		"[2] Downloading File 2",
		"",
		"[3] Uploading File 3",
	}
	ls.Height = 5

	par := ui.NewPar("<> This row has 3 columns\n<- Widgets can be stacked up like left side\n<- Stacked widgets are treated as a single widget")
	par.Height = 5
	par.Border.Label = "Demonstration"

	// build layout
	ui.Body.AddRows(
		ui.NewRow(
			ui.NewCol(6, 0, sp),
			ui.NewCol(6, 0, lc)),
		ui.NewRow(
			ui.NewCol(3, 0, ls),
			ui.NewCol(3, 0, gs[0], gs[1], gs[2]),
			ui.NewCol(6, 0, par)))

	// calculate layout
	ui.Body.Align()

	draw := func(t int) {
		sp.Lines[0].Data = spdata[t:]
		lc.Data = sinps[2*t:]
		ui.Render(ui.Body)
	}

	evt := make(chan tm.Event)
	go func() {
		for {
			evt <- tm.PollEvent()
		}
	}()

	i := 0
	for {
		select {
		case e := <-evt:
			if e.Type == tm.EventKey && e.Ch == 'q' {
				return
//.........这里部分代码省略.........

func main() {
	// Init
	err := ui.Init()
	if err != nil {
		panic(err)
	}
	defer ui.Close()

	// Theme Setting
	ui.UseTheme("helloworld")

	// Setup the CPU Gauge
	cpuGauge := ui.NewGauge()
	cpuGauge.Height = 2
	cpuGauge.BarColor = ui.ColorRed
	cpuGauge.HasBorder = false
	cpuGauge.PaddingBottom = 1
	go UpdateGenericGauge(cpuGauge, GetCPUPercentage)

	// Setup the RAM Gauge
	ramGauge := ui.NewGauge()
	ramGauge.Height = 2
	ramGauge.BarColor = ui.ColorGreen
	ramGauge.HasBorder = false
	ramGauge.PaddingBottom = 1
	go UpdateGenericGauge(ramGauge, GetRAMPercentage)

	// Setup the Label list
	ls := ui.NewList()
	ls.HasBorder = false
	ls.Items = []string{
		"CPU",
		"",
		"RAM",
	}
	ls.Height = 5

	// Setup the CPU Line Chart
	cpuLineChart := ui.NewLineChart()
	cpuLineChart.Width = 50
	cpuLineChart.Height = 11
	cpuLineChart.Border.Label = "CPU Usage"
	cpuLineChart.AxesColor = ui.ColorWhite
	cpuLineChart.LineColor = ui.ColorGreen | ui.AttrBold
	go UpdateGenericChart(cpuLineChart, GetCPUPercentage)

	// Setup the RAM Line Chart
	ramLineChart := ui.NewLineChart()
	ramLineChart.Width = 50
	ramLineChart.Height = 11
	ramLineChart.Border.Label = "RAM Usage"
	ramLineChart.AxesColor = ui.ColorWhite
	ramLineChart.LineColor = ui.ColorGreen | ui.AttrBold
	go UpdateGenericChart(ramLineChart, GetRAMPercentage)

	// Setup the layout
	ui.Body.AddRows(
		ui.NewRow(
			ui.NewCol(3, 0, cpuGauge, ramGauge),
			ui.NewCol(3, 0, ls),
		),
		ui.NewRow(
			ui.NewCol(6, 0, cpuLineChart),
			ui.NewCol(6, 0, ramLineChart),
		),
	)

	// Align
	ui.Body.Align()

	// Create the event polling system
	evt := make(chan tm.Event)
	go func() {
		for {
			evt <- tm.PollEvent()
		}
	}()

	for {
		select {
		case e := <-evt:
			if e.Type == tm.EventKey && e.Ch == 'q' {
				return
			}
			if e.Type == tm.EventResize {
				ui.Body.Width = ui.TermWidth()
				ui.Body.Align()
			}
		default:
			ui.Render(ui.Body)
			time.Sleep(time.Second / 2)
		}
	}
}

func main() {
	err := ui.Init()
	if err != nil {
		panic(err)
	}
	defer ui.Close()

	ui.UseTheme("helloworld")

	p := ui.NewPar(":PRESS q TO QUIT DEMO")
	p.Height = 3
	p.Width = 50
	p.Border.Label = "Text Box"

	strs := []string{"[0] gizak/termui", "[1] editbox.go", "[2] iterrupt.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.Border.Label = "List"
	list.Height = 7
	list.Width = 25
	list.Y = 4

	g := ui.NewGauge()
	g.Percent = 50
	g.Width = 50
	g.Height = 3
	g.Y = 11
	g.Border.Label = "Gauge"

	spark := ui.NewSparkline()
	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}
	spark.Data = spdata

	spark1 := ui.NewSparkline()
	spark1.Title = "srv 1:"
	spark1.Data = spdata

	sp := ui.NewSparklines(spark, spark1)
	sp.Width = 25
	sp.Height = 7
	sp.Border.Label = "Sparkline"
	sp.Y = 4
	sp.X = 25

	lc := ui.NewLineChart()
	sinps := (func() []float64 {
		n := 100
		ps := make([]float64, n)
		for i := range ps {
			ps[i] = 1 + math.Sin(float64(i)/4)
		}
		return ps
	})()

	lc.Border.Label = "Line Chart"
	lc.Data = sinps
	lc.Width = 50
	lc.Height = 11
	lc.X = 0
	lc.Y = 14
	lc.Mode = "dot"

	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.Border.Label = "Bar Chart"
	bc.Width = 26
	bc.Height = 10
	bc.X = 51
	bc.Y = 0
	bc.DataLabels = bclabels

	lc1 := ui.NewLineChart()
	lc1.Border.Label = "Line Chart"
	rndwalk := (func() []float64 {
		n := 150
		d := make([]float64, n)
		for i := 1; i < n; i++ {
			if i < 20 {
				d[i] = d[i-1] + 0.01
			}
			if i > 20 {
				d[i] = d[i-1] - 0.05
			}
		}
		return d
	})()
	lc1.Data = rndwalk
	lc1.Width = 26
	lc1.Height = 11
	lc1.X = 51
	lc1.Y = 14

	p1 := ui.NewPar("Hey!\nI am a borderless block!")
	p1.HasBorder = false
	p1.Width = 26
	p1.Height = 2
	p1.X = 52
	p1.Y = 11
//.........这里部分代码省略.........

// Metrics prints out metrics for a given service or if the service is not
// specified, metrics for the entire environment are printed.
func Metrics(serviceLabel string, jsonFlag bool, csvFlag bool, sparkFlag bool, streamFlag bool, mins int, settings *models.Settings) {
	if streamFlag && (jsonFlag || csvFlag || mins != 1) {
		fmt.Println("--stream cannot be used with a custom format and multiple records")
		os.Exit(1)
	}
	var singleRetriever func(mins int, settings *models.Settings) *models.Metrics
	if serviceLabel != "" {
		service := helpers.RetrieveServiceByLabel(serviceLabel, settings)
		if service == nil {
			fmt.Printf("Could not find a service with the label \"%s\"\n", serviceLabel)
			os.Exit(1)
		}
		settings.ServiceID = service.ID
		singleRetriever = helpers.RetrieveServiceMetrics
	}
	var transformer Transformer
	redraw := make(chan bool)
	if jsonFlag {
		transformer = Transformer{
			SingleRetriever: singleRetriever,
			DataTransformer: &JSONTransformer{},
		}
	} else if csvFlag {
		buffer := &bytes.Buffer{}
		transformer = Transformer{
			SingleRetriever: singleRetriever,
			DataTransformer: &CSVTransformer{
				HeadersWritten: false,
				GroupMode:      serviceLabel == "",
				Buffer:         buffer,
				Writer:         csv.NewWriter(buffer),
			},
		}
	} else if sparkFlag {
		// the spark lines interface stays up until closed by the user, so
		// we might as well keep updating it as long as it is there
		streamFlag = true
		mins = 60
		err := ui.Init()
		if err != nil {
			fmt.Println(err.Error())
			os.Exit(1)
		}
		defer ui.Close()
		ui.UseTheme("helloworld")

		p := ui.NewPar("PRESS q TO QUIT")
		p.HasBorder = false
		p.TextFgColor = ui.Theme().SparklineTitle
		ui.Body.AddRows(
			ui.NewRow(ui.NewCol(12, 0, p)),
		)

		transformer = Transformer{
			SingleRetriever: singleRetriever,
			DataTransformer: &SparkTransformer{
				Redraw:     redraw,
				SparkLines: make(map[string]*ui.Sparklines),
			},
		}
	} else {
		transformer = Transformer{
			SingleRetriever: singleRetriever,
			DataTransformer: &TextTransformer{},
		}
	}
	transformer.GroupRetriever = helpers.RetrieveEnvironmentMetrics
	transformer.Stream = streamFlag
	transformer.GroupMode = serviceLabel == ""
	transformer.Mins = mins
	transformer.settings = settings

	helpers.SignIn(settings)

	if sparkFlag {
		go transformer.process()

		ui.Body.Align()
		ui.Render(ui.Body)

		quit := make(chan bool)
		go maintainSparkLines(redraw, quit)
		<-quit
	} else {
		transformer.process()
	}
}

func (gv *graphicalVisualizer) PrintDistributionChart(rate time.Duration) error {

	//Initialize termui
	err := termui.Init()
	if err != nil {
		return errors.New("Unable to initalize terminal graphics mode.")
		//panic(err)
	}
	defer termui.Close()
	if rate <= time.Duration(0) {
		rate = graphicalRateDelta
	}

	termui.UseTheme("helloworld")

	//Initalize some widgets
	p := termui.NewPar("Lattice Visualization")
	if p == nil {
		return errors.New("Error Initializing termui objects NewPar")
	}
	p.Height = 1
	p.Width = 25
	p.TextFgColor = termui.ColorWhite
	p.HasBorder = false

	r := termui.NewPar(fmt.Sprintf("rate:%v", rate))
	if r == nil {
		return errors.New("Error Initializing termui objects NewPar")
	}
	r.Height = 1
	r.Width = 10
	r.TextFgColor = termui.ColorWhite
	r.HasBorder = false

	s := termui.NewPar("hit [+=inc; -=dec; q=quit]")
	if s == nil {
		return errors.New("Error Initializing termui objects NewPar")
	}
	s.Height = 1
	s.Width = 30
	s.TextFgColor = termui.ColorWhite
	s.HasBorder = false

	bg := termui.NewMBarChart()
	if bg == nil {
		return errors.New("Error Initializing termui objects NewMBarChart")
	}
	bg.IsDisplay = false
	bg.Data[0] = []int{0}
	bg.DataLabels = []string{"Missing"}
	bg.Width = termui.TermWidth() - 10
	bg.Height = termui.TermHeight() - 5
	bg.BarColor[0] = termui.ColorGreen
	bg.BarColor[1] = termui.ColorYellow
	bg.NumColor[0] = termui.ColorRed
	bg.NumColor[1] = termui.ColorRed
	bg.TextColor = termui.ColorWhite
	bg.Border.LabelFgColor = termui.ColorWhite
	bg.Border.Label = "[X-Axis: Cells; Y-Axis: Instances]"
	bg.BarWidth = 10
	bg.BarGap = 1
	bg.ShowScale = true

	//12 column grid system
	termui.Body.AddRows(termui.NewRow(termui.NewCol(12, 5, p)))
	termui.Body.AddRows(termui.NewRow(termui.NewCol(12, 0, bg)))
	termui.Body.AddRows(termui.NewRow(termui.NewCol(6, 0, s), termui.NewCol(6, 5, r)))

	termui.Body.Align()

	termui.Render(termui.Body)

	bg.IsDisplay = true
	clock := clock.NewClock()
	evt := termui.EventCh()
	for {
		select {
		case e := <-evt:
			if e.Type == termui.EventKey {
				switch {
				case (e.Ch == 'q' || e.Ch == 'Q'):
					return nil
				case (e.Ch == '+' || e.Ch == '='):
					rate += graphicalRateDelta
				case (e.Ch == '_' || e.Ch == '-'):
					rate -= graphicalRateDelta
					if rate <= time.Duration(0) {
						rate = graphicalRateDelta
					}
				}
				r.Text = fmt.Sprintf("rate:%v", rate)
				termui.Render(termui.Body)
			}
			if e.Type == termui.EventResize {
				termui.Body.Width = termui.TermWidth()
				termui.Body.Align()
				termui.Render(termui.Body)
			}
		case <-clock.NewTimer(rate).C():
			err := gv.getProgressBars(bg)
//.........这里部分代码省略.........