135 lines
2.5 KiB
Go
135 lines
2.5 KiB
Go
// Copyright 2015 Zack Guo <gizak@icloud.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 ui "github.com/gizak/termui"
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import "math"
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import "time"
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func main() {
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err := ui.Init()
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if err != nil {
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panic(err)
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}
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defer ui.Close()
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sinps := (func() []float64 {
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n := 400
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ps := make([]float64, n)
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for i := range ps {
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ps[i] = 1 + math.Sin(float64(i)/5)
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}
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return ps
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})()
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sinpsint := (func() []int {
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ps := make([]int, len(sinps))
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for i, v := range sinps {
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ps[i] = int(100*v + 10)
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}
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return ps
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})()
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ui.UseTheme("helloworld")
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spark := ui.Sparkline{}
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spark.Height = 8
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spdata := sinpsint
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spark.Data = spdata[:100]
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spark.LineColor = ui.ColorCyan
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spark.TitleColor = ui.ColorWhite
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sp := ui.NewSparklines(spark)
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sp.Height = 11
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sp.Border.Label = "Sparkline"
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lc := ui.NewLineChart()
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lc.Border.Label = "braille-mode Line Chart"
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lc.Data = sinps
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lc.Height = 11
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lc.AxesColor = ui.ColorWhite
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lc.LineColor = ui.ColorYellow | ui.AttrBold
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gs := make([]*ui.Gauge, 3)
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for i := range gs {
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gs[i] = ui.NewGauge()
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gs[i].Height = 2
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gs[i].HasBorder = false
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gs[i].Percent = i * 10
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gs[i].PaddingBottom = 1
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gs[i].BarColor = ui.ColorRed
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}
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ls := ui.NewList()
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ls.HasBorder = false
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ls.Items = []string{
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"[1] Downloading File 1",
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"", // == \newline
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"[2] Downloading File 2",
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"",
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"[3] Uploading File 3",
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}
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ls.Height = 5
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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")
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par.Height = 5
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par.Border.Label = "Demonstration"
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// build layout
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ui.Body.AddRows(
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ui.NewRow(
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ui.NewCol(6, 0, sp),
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ui.NewCol(6, 0, lc)),
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ui.NewRow(
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ui.NewCol(3, 0, ls),
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ui.NewCol(3, 0, gs[0], gs[1], gs[2]),
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ui.NewCol(6, 0, par)))
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// calculate layout
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ui.Body.Align()
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done := make(chan bool)
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redraw := make(chan bool)
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update := func() {
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for i := 0; i < 103; i++ {
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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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sp.Lines[0].Data = spdata[:100+i]
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lc.Data = sinps[2*i:]
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time.Sleep(time.Second / 2)
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redraw <- true
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}
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done <- true
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}
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evt := ui.EventCh()
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ui.Render(ui.Body)
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go update()
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for {
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select {
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case e := <-evt:
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if e.Type == ui.EventKey && e.Ch == 'q' {
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return
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}
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if e.Type == ui.EventResize {
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ui.Body.Width = ui.TermWidth()
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ui.Body.Align()
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go func() { redraw <- true }()
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}
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case <-done:
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return
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case <-redraw:
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ui.Render(ui.Body)
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}
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}
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}
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