Enhanced example

README.md

@@ -1,9 +1,9 @@
 # iDummyCursor
 
-Need a proper blinking cursor view for your custom text field? This is your SwiftUI package.
+Need a proper **blinking cursor** view for your custom text field? This is your SwiftUI package.
 
 
-Features:
+## Features:
 * Change cursor color with standard `foregroundColor(_:)` modifier
 * Uses all standard view modifiers
 * Indistinguishable from native cursor

Sources/iDummyCursor/Examples.swift

@@ -0,0 +1,109 @@
+//
+// Examples.swift
+// 
+//
+// Created by Benjamin Sage on 10/8/20.
+//
+
+import SwiftUI
+
+struct ContentView: View {
+ @State var text = ""
+ var number = 4
+
+ var body: some View {
+ ZStack {
+ HStack(spacing: 13) {
+ ForEach(0..<number, id: \.self) { i in
+ InputNumber(index: i, text: $text)
+ }
+ }
+ TextField("", text: $text)
+ .frame(height: 45)
+ .foregroundColor(.clear)
+ .accentColor(.clear)
+ .keyboardType(.decimalPad)
+ }
+ }
+}
+
+
+struct InputNumber: View {
+ var index: Int
+ @Binding var text: String
+
+ @Environment(\.colorScheme) var colorScheme
+ var darkMode: Bool { colorScheme == .dark }
+
+ var placeholderWhite: Double { darkMode ? 0.25 : 0.9}
+ var numberWhite: Double { darkMode ? 0.65 : 0.5 }
+
+ var cursor: some View {
+ iDummyCursor()
+ .fontSize(32)
+ .foregroundColor(Color(red: 0.3, green: 0.76, blue: 0.85))
+ }
+ var placeholderNumber: some View {
+ Text(String(index + 1))
+ .font(.system(size: 32))
+ .foregroundColor(Color(white: placeholderWhite))
+ }
+ var inputtedNumber: some View {
+ Text(String(text[index]))
+ .font(.system(size: 32))
+ .foregroundColor(Color(white: numberWhite))
+ }
+
+ var body: some View {
+ VStack {
+ if text.count < index {
+ placeholderNumber
+ } else if text.count == index {
+ cursor
+ } else {
+ inputtedNumber
+ }
+ Spacer()
+ RoundedRectangle(cornerRadius: 1.5)
+ .frame(height: 3)
+ .foregroundColor(Color(white: text.count >= index ? numberWhite : placeholderWhite))
+ }
+ .frame(width: 60, height: 45)
+ }
+}
+
+extension String {
+ subscript(_ range: CountableRange<Int>) -> String {
+ let startIdx = max(0, range.lowerBound)
+ let start = index(startIndex, offsetBy: startIdx)
+ let end = index(start, offsetBy: min(self.count - startIdx,
+ range.upperBound - startIdx))
+ return String(self[start..<end])
+ }
+
+ subscript(_ range: CountablePartialRangeFrom<Int>) -> String {
+ let start = index(startIndex, offsetBy: max(0, range.lowerBound))
+ return String(self[start...])
+ }
+}
+
+extension StringProtocol {
+ subscript(_ offset: Int) -> Element {
+ self[index(startIndex, offsetBy: offset)]
+ }
+ subscript(_ range: Range<Int>) -> SubSequence {
+ prefix(range.lowerBound + range.count).suffix(range.count)
+ }
+ subscript(_ range: ClosedRange<Int>) -> SubSequence {
+ prefix(range.lowerBound + range.count).suffix(range.count)
+ }
+ subscript(_ range: PartialRangeThrough<Int>) -> SubSequence {
+ prefix(range.upperBound.advanced(by: 1))
+ }
+ subscript(_ range: PartialRangeUpTo<Int>) -> SubSequence {
+ prefix(range.upperBound)
+ }
+ subscript(_ range: PartialRangeFrom<Int>) -> SubSequence {
+ suffix(Swift.max(0, count - range.lowerBound))
+ }
+}