defagos
/ BodyCounter.swift
Last active
December 13, 2022 16:07
Decorate the view with a bordered debugging frame whose attached label displays how many times the view body has been evaluated.
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| import SwiftUI | |
| import UIKit | |
| private struct BodyCounterView: UIViewRepresentable { | |
| let color: UIColor | |
| private let id = UUID() // Force view updates | |
| func makeUIView(context: Context) -> _BodyCounterView { | |
| let view = _BodyCounterView() |
simonbs
/ KeyboardAvoidingView.swift
Created
January 24, 2022 21:29
Avoid undocked keyboard at bottom.
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| // Sample code made in response to this tweet: | |
| // https://twitter.com/stroughtonsmith/status/1485719749673820163 | |
| final class MainView: UIView { | |
| private let textView: UITextView = { | |
| let this = UITextView() | |
| this.translatesAutoresizingMaskIntoConstraints = false | |
| this.text = "I'm a text view" | |
| this.font = .preferredFont(forTextStyle: .body) | |
| this.textColor = .label |
zats
/ DebugOverrides.h
Last active
June 4, 2022 19:53
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| #import <UIKit/UIKit.h> | |
| typedef NS_ENUM(NSInteger, DBGInterfaceStyleOverride) { | |
| DBGInterfaceStyleOverrideNone = 0, | |
| DBGInterfaceStyleOverrideLight, | |
| DBGInterfaceStyleOverrideDark, | |
| }; | |
| #ifdef __cplusplus | |
| extern "C" { |
IanKeen
/ Redraw.swift
Last active
February 28, 2023 21:20
PropertyWrapper: Automatically redraw UIViews when a value changes
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| @propertyWrapper | |
| struct Redraw<Value> { | |
| var wrappedValue: Value | |
| init(wrappedValue: Value) { | |
| self.wrappedValue = wrappedValue | |
| } | |
| static subscript<Instance: UIView>( | |
| _enclosingInstance instance: Instance, |
steventroughtonsmith
/ UIView+Tooltips.h
Last active
December 23, 2023 11:05
WIP tooltips for Mac Catalyst
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| // | |
| // UIView+Tooltips.h | |
| // Crossword | |
| // | |
| // Created by Steven Troughton-Smith on 13/09/2019. | |
| // Copyright © 2019 Steven Troughton-Smith. All rights reserved. | |
| // | |
| #import <UIKit/UIKit.h> |
frankrausch
/ String+Hyphenation.swift
Last active
June 15, 2023 16:45
Returns a String with soft hyphens (U+00AD)
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| import Foundation | |
| extension String { | |
| func hyphenated(languageCode: String) -> String { | |
| let locale = Locale(identifier: languageCode) | |
| return self.hyphenated(locale: locale) | |
| } | |
| func hyphenated(locale: Locale) -> String { |
zats
/ emojis.swift
Created
September 17, 2017 18:24
All emojis available in iOS 11.0 including lookup categories for gender and skin-tone dependent
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| let emojis: [String: [String]] = [ | |
| // +[EMFEmojiCategory TravelAndPlacesEmoji] | |
| "travel": ["🚗", "🚕", "🚙", "🚌", "🚎", "🏎", "🚓", "🚑", "🚒", "🚐", "🚚", "🚛", "🚜", "🛴", "🚲", "🛵", "🏍", "🚨", "🚔", "🚍", "🚘", "🚖", "🚡", "🚠", "🚟", "🚃", "🚋", "🚞", "🚝", "🚄", "🚅", "🚈", "🚂", "🚆", "🚇", "🚊", "🚉", "🚁", "🛩", "✈️", "🛫", "🛬", "🚀", "🛰", "💺", "🛶", "⛵️", "🛥", "🚤", "🛳", "⛴", "🚢", "⚓️", "🚧", "⛽️", "🚏", "🚦", "🚥", "🗺", "🗿", "🗽", "⛲️", "🗼", "🏰", "🏯", "🏟", "🎡", "🎢", "🎠", "⛱", "🏖", "🏝", "⛰", "🏔", "🗻", "🌋", "🏜", "🏕", "⛺️", "🛤", "🛣", "🏗", "🏭", "🏠", "🏡", "🏘", "🏚", "🏢", "🏬", "🏣", "🏤", "🏥", "🏦", "🏨", "🏪", "🏫", "🏩", "💒", "🏛", "⛪️", "🕌", "🕍", "🕋", "⛩", "🗾", "🎑", "🏞", "🌅", "🌄", "🌠", "🎇", "🎆", "🌇", "🌆", "🏙", "🌃", "🌌", "🌉", "🌁"], | |
| // +[EMFEmojiCategory NatureEmoji] | |
| "nature": ["🐶", "🐱", "🐭", "🐹", "🐰", "🦊", "🐻", "🐼", "🐨", "🐯", "🦁", "🐮", "🐷", "🐽", "🐸", "🐵", "🙈", "🙉", "🙊", "🐒", "🐔", "🐧", "🐦", "🐤", "🐣", "🐥", "🦆", "🦅", "🦉", "🦇", "🐺", "🐗", "🐴", "🦄", "🐝", "🐛", "🦋", "🐌", "🐚", "🐞", "🐜", "🕷", "🕸", "🐢", "🐍", "🦎", "🦂", "🦀", "🦑", "🐙", "🦐", "🐠", "🐟", "🐡", "🐬", "🦈 |
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| import Foundation | |
| // Alternatives to `Scanner` (before: `NSScanner`). | |
| // A scanner only needs a way to peek and to move to the next token. | |
| protocol ScannerProtocol { | |
| associatedtype Token: Equatable | |
| var peek: Token? { get } | |
| mutating func moveToNextToken() |
chriseidhof
/ kvo-binding.swift
Created
September 11, 2017 13:21
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| import Foundation | |
| final class Sample: NSObject { | |
| @objc dynamic var name: String = "" | |
| } | |
| class MyObj: NSObject { | |
| @objc dynamic var test: String = "" | |
| } | |
| extension NSObjectProtocol where Self: NSObject { |
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| import Foundation | |
| // A lens is a getter and a setter combined | |
| struct Lens<Whole, Part> { | |
| let get: (Whole) -> Part | |
| let set: (inout Whole, Part) -> () | |
| } | |
| // We can create a lens from a key path | |
| extension Lens { |
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