Matthew Miner mminer

Software Developer (Games / Film), ex-Unity

mminer / formatBytes.swift

Last active April 19, 2023 00:59

Formats bytes into a more human-readable form (e.g. MB).

	import Foundation

	func format(bytes: Double) -> String {
	guard bytes > 0 else {
	return "0 bytes"
	}

	// Adapted from http://stackoverflow.com/a/18650828
	let suffixes = ["bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"]
	let k: Double = 1000

mminer / NSImage+Base64.swift

Last active May 21, 2021 15:00

NSImage extension that allows initializing an image from a Base64 encoded string.

	import AppKit

	extension NSImage {

	convenience init?(base64EncodedString: String) {
	guard
	let url = URL(string: base64EncodedString),
	let data = try? Data(contentsOf: url)
	else {
	return nil

mminer / String+Insert.swift

Last active October 18, 2017 04:45

String extension that adds a method to insert a string in the middle of it.

+extension String {
+    func insert(_ string: String, at index: Int) -> String {
+        let prefix = String(characters.prefix(index))
+        let suffix = String(characters.suffix(characters.count - index))
+        return prefix + string + suffix
+    }
+}

mminer / NSButton+TextColor.swift

Last active September 10, 2022 23:24

NSButton extension that adds a method to change its text color.

	import AppKit

	extension NSButton {

	func set(textColor color: NSColor) {
	let newAttributedTitle = NSMutableAttributedString(attributedString: attributedTitle)
	let range = NSRange(location: 0, length: attributedTitle.length)

	newAttributedTitle.addAttributes([
	.foregroundColor: color,

mminer / HoverView.swift

Last active April 9, 2025 23:26

NSView subclass that applies an effect when the mouse hovers over it.

	import AppKit

	class HoverView: NSView {

	override var wantsUpdateLayer: Bool {
	return true
	}

	private var isMouseOver = false {
	didSet {

mminer / VerticallyCenteredTextFieldCell.swift

Last active October 18, 2017 04:47

Vertically centred NSTextFieldCell.

	import AppKit

	class VerticallyCenteredTextFieldCell: NSTextFieldCell {

	// Adapted from http://stackoverflow.com/a/8626071

	override func drawInterior(withFrame cellFrame: NSRect, in controlView: NSView) {
	let adjustedFrame = adjusted(frame: cellFrame)
	super.drawInterior(withFrame: adjustedFrame, in: controlView)
	}

mminer / OutlineViewDelegate.swift

Last active January 20, 2019 18:30

Delegate for NSOutlineView that allows specifying an item right-click menu.

	import AppKit

	protocol OutlineViewDelegate {

	func outlineView(outlineView: NSOutlineView, menuForItem item: Any) -> NSMenu?
	}

	extension OutlineViewDelegate {

	func outlineView(outlineView: NSOutlineView, menuForItem item: Any) -> NSMenu? {

mminer / addToSidebar.swift

Last active October 18, 2017 04:49

Adds a folder to the Finder sidebar.

	import Foundation

	func addToSidebar(path: String) {
	guard
	let listType = kLSSharedFileListFavoriteItems?.takeUnretainedValue(),
	let itemList = LSSharedFileListCreate(nil, listType, nil)?.takeUnretainedValue(),
	let items = LSSharedFileListCopySnapshot(itemList, nil)?.takeUnretainedValue()
	else {
	return
	}

mminer / iso8601Formatter.swift

Last active October 18, 2017 04:50

Swift ISO 8601 date formatter.

	import Foundation

	let iso8601Formatter: DateFormatter = {
	let formatter = DateFormatter()
	formatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SSSZ"
	return formatter
	}()

mminer / isPortInUse.swift

Last active September 17, 2016 19:33

Determines whether an HTTP port is being used by a process.

	import Foundation

	func isPortInUse(_ port: Int) -> Bool {
	// Use netstat to find ports in use then grep for one we're interested in.
	// See this solution for piping shell commands: http://stackoverflow.com/a/16650638
	let process = Process()
	process.launchPath = "/bin/sh"
	process.arguments = ["-c", "netstat -an \| grep '\\b\(port)\\b' \| grep LISTEN"]
	process.standardOutput = Pipe()
	process.launch()