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demo.go
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demo.go
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// Copyright 2017 Zack Guo <zack.y.guo@gmail.com>. All rights reserved.
// Use of this source code is governed by a MIT license that can
// be found in the LICENSE file.
// +build ignore
package main
import (
"log"
"math"
"time"
ui "github.com/gizak/termui/v3"
"github.com/gizak/termui/v3/widgets"
)
func main() {
if err := ui.Init(); err != nil {
log.Fatalf("failed to initialize termui: %v", err)
}
defer ui.Close()
p := widgets.NewParagraph()
p.Title = "Text Box"
p.Text = "PRESS q TO QUIT DEMO"
p.SetRect(0, 0, 50, 5)
p.TextStyle.Fg = ui.ColorWhite
p.BorderStyle.Fg = ui.ColorCyan
updateParagraph := func(count int) {
if count%2 == 0 {
p.TextStyle.Fg = ui.ColorRed
} else {
p.TextStyle.Fg = ui.ColorWhite
}
}
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 := widgets.NewList()
l.Title = "List"
l.Rows = listData
l.SetRect(0, 5, 25, 12)
l.TextStyle.Fg = ui.ColorYellow
g := widgets.NewGauge()
g.Title = "Gauge"
g.Percent = 50
g.SetRect(0, 12, 50, 15)
g.BarColor = ui.ColorRed
g.BorderStyle.Fg = ui.ColorWhite
g.TitleStyle.Fg = ui.ColorCyan
sparklineData := []float64{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}
sl := widgets.NewSparkline()
sl.Title = "srv 0:"
sl.Data = sparklineData
sl.LineColor = ui.ColorCyan
sl.TitleStyle.Fg = ui.ColorWhite
sl2 := widgets.NewSparkline()
sl2.Title = "srv 1:"
sl2.Data = sparklineData
sl2.TitleStyle.Fg = ui.ColorWhite
sl2.LineColor = ui.ColorRed
slg := widgets.NewSparklineGroup(sl, sl2)
slg.Title = "Sparkline"
slg.SetRect(25, 5, 50, 12)
sinData := (func() []float64 {
n := 220
ps := make([]float64, n)
for i := range ps {
ps[i] = 1 + math.Sin(float64(i)/5)
}
return ps
})()
lc := widgets.NewPlot()
lc.Title = "dot-marker Line Chart"
lc.Data = make([][]float64, 1)
lc.Data[0] = sinData
lc.SetRect(0, 15, 50, 25)
lc.AxesColor = ui.ColorWhite
lc.LineColors[0] = ui.ColorRed
lc.Marker = widgets.MarkerDot
barchartData := []float64{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 := widgets.NewBarChart()
bc.Title = "Bar Chart"
bc.SetRect(50, 0, 75, 10)
bc.Labels = []string{"S0", "S1", "S2", "S3", "S4", "S5"}
bc.BarColors[0] = ui.ColorGreen
bc.NumStyles[0] = ui.NewStyle(ui.ColorBlack)
lc2 := widgets.NewPlot()
lc2.Title = "braille-mode Line Chart"
lc2.Data = make([][]float64, 1)
lc2.Data[0] = sinData
lc2.SetRect(50, 15, 75, 25)
lc2.AxesColor = ui.ColorWhite
lc2.LineColors[0] = ui.ColorYellow
p2 := widgets.NewParagraph()
p2.Text = "Hey!\nI am a borderless block!"
p2.Border = false
p2.SetRect(50, 10, 75, 10)
p2.TextStyle.Fg = ui.ColorMagenta
draw := func(count int) {
g.Percent = count % 101
l.Rows = listData[count%9:]
slg.Sparklines[0].Data = sparklineData[:30+count%50]
slg.Sparklines[1].Data = sparklineData[:35+count%50]
lc.Data[0] = sinData[count/2%220:]
lc2.Data[0] = sinData[2*count%220:]
bc.Data = barchartData[count/2%10:]
ui.Render(p, l, g, slg, lc, bc, lc2, p2)
}
tickerCount := 1
draw(tickerCount)
tickerCount++
uiEvents := ui.PollEvents()
ticker := time.NewTicker(time.Second).C
for {
select {
case e := <-uiEvents:
switch e.ID {
case "q", "<C-c>":
return
}
case <-ticker:
updateParagraph(tickerCount)
draw(tickerCount)
tickerCount++
}
}
}