files core monitor networkgraphview swift 724d17f6

File: Core-Monitor/NetworkGraphView.swift

Current Role

• Area: Core app.
• This page records the file's current repository role, source metadata, and recent commit history.
• Review nearby tests and commit pages before changing this file.

Metadata

Field	Value
Source path	Core-Monitor/NetworkGraphView.swift
Wiki area	Core app
Exists in current checkout	True
Size	1832 bytes
Binary	False
Line count	55
Extension	.swift

Imports

AppKit

Declarations

Kind	Name	Line
class	NetworkGraphView	8
func	push	16

Recent Change History

Commit	Date	Subject
2664fd1	2026-04-11	Update Core Monitor
011232b	2026-04-11	Update website install video

Maintenance Notes

• Prefer focused changes that respect the ownership described above.
• If this file touches helper trust, SMC writes, startup, or permissions, update the relevant support docs and tests.
• If this file is generated or an asset manifest, verify the producing workflow instead of hand-editing generated payloads.

Source Excerpt

// NetworkGraphView.swift
// CoreMonitor — scrolling bar-graph of network throughput.
//
//  60×20pt view containing ~20 vertical bars.
//  Bars are cyan (#00D0FF) on black, newest bar on the right.

import AppKit

final class NetworkGraphView: NSView {
    var theme: TouchBarTheme = .dark {
        didSet { needsDisplay = true }
    }

    /// Ring buffer of normalised values [0.0 – 1.0], newest last.
    private var samples: [CGFloat] = Array(repeating: 0, count: TB.graphBarCount)

    func push(_ normalised: CGFloat) {
        samples.removeFirst()
        samples.append(min(max(normalised, 0), 1))
        needsDisplay = true
    }

    override var intrinsicContentSize: NSSize {
        NSSize(width: TB.graphW, height: TB.graphH)
    }

    override func draw(_ dirtyRect: NSRect) {
        let background = NSBezierPath(roundedRect: bounds, xRadius: 5, yRadius: 5)
        theme.graphBackgroundColor.setFill()
        background.fill()
        theme.barOutlineColor.setStroke()
        background.lineWidth = 1
        background.stroke()

        let count  = samples.count
        let insetBounds = bounds.insetBy(dx: 4, dy: 4)
        let barW   = insetBounds.width / CGFloat(max(count, 1))
        let maxH   = insetBounds.height

        for (i, val) in samples.enumerated() {