cpu.go

package main

import (
	"fmt"
	"image/color"

	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/canvas"
	"fyne.io/fyne/v2/container"
	"github.com/shirou/gopsutil/cpu"
)

func DrawCPUGraph(data []float64) *fyne.Container {
	graph := container.NewWithoutLayout()
	cpuInfo, _ := cpu.Info()

	background := canvas.NewRectangle(color.RGBA{0, 0, 0, 255}) // Black background
	background.SetMinSize(fyne.NewSize(300, 180))
	graph.Add(background)
	drawGraph := func() {
		graph.Objects = []fyne.CanvasObject{background} // Clear previous lines

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

		modelNameLabel := canvas.NewText("MODEL: "+cpuInfo[0].ModelName, color.White)
		modelNameLabel.Move(fyne.NewPos(120, 0))
		graph.Add(modelNameLabel)

		LPCount, _ := cpu.Counts(true)
		LPCountLabel := canvas.NewText(fmt.Sprintf("Logical Process: %d", LPCount), color.White)
		LPCountLabel.Move(fyne.NewPos(320, 40))
		LPCountLabel.TextSize = 12
		graph.Add(LPCountLabel)

		PPCount, _ := cpu.Counts(false)
		PPCountLabel := canvas.NewText(fmt.Sprintf("Physical Process: %d", PPCount), color.White)
		PPCountLabel.Move(fyne.NewPos(320, 60))
		PPCountLabel.TextSize = 12
		graph.Add(PPCountLabel)

		valueLabel := canvas.NewText(fmt.Sprintf("%.2f%%", data[len(data)-1]), CPU_COLOR)
		valueLabel.Move(fyne.NewPos(40, 0))
		graph.Add(valueLabel)

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

		axisY_100 := canvas.NewText("100", 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(data); i++ {
			x1 := float32((i - 1) * 30)
			y1 := float32(100-data[i-1]) + 40
			x2 := float32(i * 30)
			y2 := float32(100-data[i]) + 40
			line := canvas.NewLine(CPU_COLOR)
			line.Position1 = fyne.NewPos(x1, y1)
			line.Position2 = fyne.NewPos(x2, y2)
			graph.Add(line)
		}
		canvas.Refresh(graph)
	}
	drawGraph()
	return graph
}