Exemplo n.º 1
0
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()
}
Exemplo n.º 2
0
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()
}
Exemplo n.º 3
0
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()
}
Exemplo n.º 4
0
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()
}
Exemplo n.º 5
0
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()
}
Exemplo n.º 6
0
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()
}
Exemplo n.º 7
0
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)

	<-termui.EventCh()
}
Exemplo n.º 8
0
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[:100]
	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()

	done := make(chan bool)
	redraw := make(chan bool)

	update := func() {
		for i := 0; i < 103; i++ {
			for _, g := range gs {
				g.Percent = (g.Percent + 3) % 100
			}

			sp.Lines[0].Data = spdata[:100+i]
			lc.Data = sinps[2*i:]

			time.Sleep(time.Second / 2)
			redraw <- true
		}
		done <- true
	}

	evt := ui.EventCh()

	ui.Render(ui.Body)
	go update()

	for {
		select {
		case e := <-evt:
			if e.Type == ui.EventKey && e.Ch == 'q' {
				return
			}
			if e.Type == ui.EventResize {
				ui.Body.Width = ui.TermWidth()
				ui.Body.Align()
				go func() { redraw <- true }()
			}
		case <-done:
			return
		case <-redraw:
			ui.Render(ui.Body)
		}
	}
}
Exemplo n.º 9
0
func main() {
	// never use more than one process
	runtime.GOMAXPROCS(1)
	// wait group to let the main program run forever in batchmode
	var wg sync.WaitGroup
	// options
	var batchmode, servermode bool
	var address string
	var stepSec int
	var nIter int
	var evt <-chan termui.Event
	var widgets *osmain.DisplayWidgets
	var uiSummaryBody *termui.Grid
	var uiHelpBody *termui.Grid
	var uiDetailList *termui.List

	flag.BoolVar(&batchmode, "b", false, "Run in batch mode; suitable for parsing")
	flag.BoolVar(&batchmode, "batchmode", false, "Run in batch mode; suitable for parsing")
	flag.IntVar(&nIter, "n", 0, "Quit after these many iterations")
	flag.IntVar(&nIter, "iterations", 0, "Quit after these many iterations")
	flag.BoolVar(&servermode, "server", false,
		"Runs continously and exposes metrics as JSON on HTTP")
	flag.StringVar(&address, "address", ":19999",
		"address to listen on for http if running in server mode")
	flag.IntVar(&stepSec, "step", 2,
		"metrics are collected every step seconds")
	flag.Usage = func() {
		fmt.Fprintf(os.Stderr, "Options \n")
		fmt.Fprintf(os.Stderr, "------- \n")
		flag.PrintDefaults()
		fmt.Fprintf(os.Stderr, "Notes \n")
		fmt.Fprintf(os.Stderr, "------- \n")
		fmt.Fprintf(os.Stderr, "All CPU percentages are normalized to total number of logical cpus \n")
	}
	flag.Parse()

	if servermode {
		batchmode = true
	}

	if !batchmode {
		err := termui.Init()
		termui.UseTheme("helloworld")
		if err != nil {
			log.Fatalf("Unable to initialize termui", err)
		}
		widgets = uiWidgets()
		uiSummaryBody = uiSummary(widgets)
		uiHelpBody = uiHelp()
		uiDetailList = termui.NewList()
		evt = termui.EventCh()
		// display summary view
		termui.Body = uiSummaryBody
		uiRefresh()
	}
	// Initialize a metric context
	m := metrics.NewMetricContext("system")
	// Default step for collectors
	step := time.Millisecond * time.Duration(stepSec) * 1000
	// Register various stats we are interested in tracking
	stats := osmain.Register(m, step)
	// run http server
	if servermode {
		go func() {
			http.HandleFunc("/api/v1/metrics.json", m.HttpJsonHandler)
			log.Fatal(http.ListenAndServe(address, nil))
		}()
	}

	iterationsRun := 0
	// runs forever
	wg.Add(1)
	go func() {
		for {
			// Clear previous problems
			var problems []string
			stats.Problems = problems
			// Quit after n iterations if specified
			iterationsRun++
			if nIter > 0 && iterationsRun > nIter {
				break
			}
			stats.Print(batchmode, widgets)
			if !batchmode {
				termui.Render(termui.Body)
			}
			time.Sleep(step)
			// be aggressive about reclaiming memory
			// tradeoff with CPU usage
			runtime.GC()
			debug.FreeOSMemory()
		}
	}()

	if !batchmode {
		for {
			e := <-evt
			if e.Type == termui.EventKey {
				switch e.Ch {
				case 'q':
					termui.Close()
					return
				case 'c':
					uiDetailList = widgets.ProcessesByCPU
					termui.Body = uiDetail(uiDetailList)
				case 'd':
					uiDetailList = widgets.DiskIOUsage
					termui.Body = uiDetail(uiDetailList)
				case 'C':
					uiDetailList = widgets.CgroupsCPU
					termui.Body = uiDetail(uiDetailList)
				case 'f':
					uiDetailList = widgets.FileSystemUsage
					termui.Body = uiDetail(uiDetailList)
				case 'm':
					uiDetailList = widgets.ProcessesByMemory
					termui.Body = uiDetail(uiDetailList)
				case 'p':
					uiDetailList = widgets.Problems
					termui.Body = uiDetail(uiDetailList)
				case 'M':
					uiDetailList = widgets.CgroupsMem
					termui.Body = uiDetail(uiDetailList)
				case 'n':
					uiDetailList = widgets.InterfaceUsage
					termui.Body = uiDetail(uiDetailList)
				case 'i':
					uiDetailList = widgets.ProcessesByIO
					termui.Body = uiDetail(uiDetailList)
				case 's':
					uiResetAttributes(widgets)
					termui.Body = uiSummaryBody
				case 'h':
					termui.Body = uiHelpBody
				}
				uiRefresh()
			}
			if e.Type == termui.EventResize {
				uiRefresh()
			}
		}
	}
	wg.Wait()
}