123 lines
2.4 KiB
Go
123 lines
2.4 KiB
Go
// Copyright 2017 Zack Guo <zack.y.guo@gmail.com>. All rights reserved.
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// Use of this source code is governed by a MIT license that can
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// be found in the LICENSE file.
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// +build ignore
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package main
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import (
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"log"
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"math"
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"time"
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ui "github.com/gizak/termui/v3"
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"github.com/gizak/termui/v3/widgets"
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)
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func main() {
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if err := ui.Init(); err != nil {
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log.Fatalf("failed to initialize termui: %v", err)
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}
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defer ui.Close()
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sinFloat64 := (func() []float64 {
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n := 400
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data := make([]float64, n)
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for i := range data {
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data[i] = 1 + math.Sin(float64(i)/5)
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}
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return data
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})()
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sl := widgets.NewSparkline()
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sl.Data = sinFloat64[:100]
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sl.LineColor = ui.ColorCyan
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sl.TitleStyle.Fg = ui.ColorWhite
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slg := widgets.NewSparklineGroup(sl)
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slg.Title = "Sparkline"
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lc := widgets.NewPlot()
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lc.Title = "braille-mode Line Chart"
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lc.Data = append(lc.Data, sinFloat64)
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lc.AxesColor = ui.ColorWhite
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lc.LineColors[0] = ui.ColorYellow
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gs := make([]*widgets.Gauge, 3)
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for i := range gs {
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gs[i] = widgets.NewGauge()
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gs[i].Percent = i * 10
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gs[i].BarColor = ui.ColorRed
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}
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ls := widgets.NewList()
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ls.Rows = []string{
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"[1] Downloading File 1",
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"",
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"",
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"",
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"[2] Downloading File 2",
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"",
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"",
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"",
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"[3] Uploading File 3",
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}
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ls.Border = false
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p := widgets.NewParagraph()
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p.Text = "<> This row has 3 columns\n<- Widgets can be stacked up like left side\n<- Stacked widgets are treated as a single widget"
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p.Title = "Demonstration"
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grid := ui.NewGrid()
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termWidth, termHeight := ui.TerminalDimensions()
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grid.SetRect(0, 0, termWidth, termHeight)
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grid.Set(
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ui.NewRow(1.0/2,
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ui.NewCol(1.0/2, slg),
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ui.NewCol(1.0/2, lc),
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),
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ui.NewRow(1.0/2,
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ui.NewCol(1.0/4, ls),
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ui.NewCol(1.0/4,
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ui.NewRow(.9/3, gs[0]),
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ui.NewRow(.9/3, gs[1]),
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ui.NewRow(1.2/3, gs[2]),
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),
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ui.NewCol(1.0/2, p),
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),
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)
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ui.Render(grid)
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tickerCount := 1
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uiEvents := ui.PollEvents()
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ticker := time.NewTicker(time.Second).C
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for {
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select {
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case e := <-uiEvents:
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switch e.ID {
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case "q", "<C-c>":
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return
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case "<Resize>":
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payload := e.Payload.(ui.Resize)
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grid.SetRect(0, 0, payload.Width, payload.Height)
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ui.Clear()
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ui.Render(grid)
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}
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case <-ticker:
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if tickerCount == 100 {
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return
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}
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for _, g := range gs {
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g.Percent = (g.Percent + 3) % 100
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}
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slg.Sparklines[0].Data = sinFloat64[tickerCount : tickerCount+100]
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lc.Data[0] = sinFloat64[2*tickerCount:]
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ui.Render(grid)
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tickerCount++
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}
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}
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}
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