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58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
// Demo code for the bar chart primitive.
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package main
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import (
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"math/rand"
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"time"
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"github.com/gdamore/tcell/v2"
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"github.com/navidys/tgraph"
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"github.com/rivo/tview"
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)
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func main() {
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app := tview.NewApplication()
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barGraph := tgraph.NewBarChart()
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barGraph.SetBorder(true)
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barGraph.SetTitle("System Resource Usage")
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// display system metric usage
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barGraph.AddBar("cpu", 20, tcell.ColorBlue)
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barGraph.AddBar("mem", 60, tcell.ColorRed)
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barGraph.AddBar("swap", 80, tcell.ColorGreen)
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barGraph.AddBar("disk", 100, tcell.ColorOrange)
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barGraph.SetMaxValue(100)
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flex := tview.NewFlex().SetDirection(tview.FlexColumn)
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flex.AddItem(barGraph, 40, 0, false)
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flex.AddItem(tview.NewBox().SetBorder(true), 40, 0, false)
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flex.SetRect(0, 0, 100, 15)
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update := func() {
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rand.Seed(time.Now().UnixNano())
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tick := time.NewTicker(1000 * time.Millisecond)
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for {
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select {
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case <-tick.C:
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rangeLower := 0
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rangeUpper := 100
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randomNum := rangeLower + rand.Intn(rangeUpper-rangeLower+1)
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barGraph.SetBarValue("cpu", randomNum)
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randomNum = rangeLower + rand.Intn(rangeUpper-rangeLower+1)
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barGraph.SetBarValue("memory", randomNum)
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randomNum = rangeLower + rand.Intn(rangeUpper-rangeLower+1)
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barGraph.SetBarValue("swap", randomNum)
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randomNum = rangeLower + rand.Intn(rangeUpper-rangeLower+1)
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barGraph.SetBarValue("disk", randomNum)
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app.Draw()
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}
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}
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}
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go update()
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if err := app.SetRoot(flex, false).EnableMouse(true).Run(); err != nil {
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panic(err)
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}
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}
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