wifi.go

package main

import (
	"fmt"
	"image/color"
	"strconv"

	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/canvas"
	"fyne.io/fyne/v2/container"
)

func DrawWifiGraph(r_Data []float64, w_Data []float64) *fyne.Container {
	graph := container.NewWithoutLayout()
	background := canvas.NewRectangle(color.RGBA{0, 0, 0, 255}) // Black background
	background.SetMinSize(fyne.NewSize(300, 180))
	graph.Add(background)
	r_color := color.RGBA{220, 65, 230, 255} //read speed graph color
	w_color := color.RGBA{220, 129, 40, 255} //write speed graph color
	drawGraph := func() {
		graph.Objects = []fyne.CanvasObject{background} // Clear previous lines

		titleLabel := canvas.NewText("Network", color.RGBA{255, 255, 255, 255})
		titleLabel.Move(fyne.NewPos(0, 0))
		graph.Add(titleLabel)

		w_speedLabel := canvas.NewText(fmt.Sprintf("Write %.2fMB/s", w_Data[len(w_Data)-1]), w_color)
		w_speedLabel.Move(fyne.NewPos(80, 0))
		graph.Add(w_speedLabel)

		r_speedLabel := canvas.NewText(fmt.Sprintf("Read %.2fMB/s", r_Data[len(r_Data)-1]), r_color)
		r_speedLabel.Move(fyne.NewPos(200, 0))
		graph.Add(r_speedLabel)

		axisY_0 := canvas.NewText("0", color.RGBA{255, 255, 255, 200})
		axisY_0.Move(fyne.NewPos(0, 140))

		axisY_100 := canvas.NewText(strconv.Itoa(int(MAX_WIFI_SPEED)), color.RGBA{255, 255, 255, 200})
		axisY_100.Move(fyne.NewPos(0, 20))

		border := canvas.NewRectangle(color.RGBA{255, 255, 255, 0})
		border.StrokeWidth = 2
		border.StrokeColor = color.RGBA{255, 255, 255, 100}
		border.Resize(fyne.NewSize(300, 100))
		border.Move(fyne.NewPos(0, 40))
		graph.Add(axisY_0)
		graph.Add(axisY_100)
		graph.Add(border)

		for i := 1; i < len(r_Data); i++ {
			x1 := float32((i - 1) * 30)
			y1 := float32(MAX_WIFI_SPEED-r_Data[i-1]) + 40
			x2 := float32(i * 30)
			y2 := float32(100-r_Data[i]) + 40
			line := canvas.NewLine(r_color)
			line.Position1 = fyne.NewPos(x1, y1)
			line.Position2 = fyne.NewPos(x2, y2)
			graph.Add(line)
		}
		for i := 1; i < len(w_Data); i++ {
			x1 := float32((i - 1) * 30)
			y1 := float32(MAX_WIFI_SPEED-w_Data[i-1]) + 40
			x2 := float32(i * 30)
			y2 := float32(100-w_Data[i]) + 40
			line := canvas.NewLine(w_color)
			line.Position1 = fyne.NewPos(x1, y1)
			line.Position2 = fyne.NewPos(x2, y2)
			graph.Add(line)
		}
		canvas.Refresh(graph)
	}
	drawGraph()
	return graph
}