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diff --git a/macOS/PostEditor/MacEditorTextView.swift b/macOS/PostEditor/MacEditorTextView.swift
index e5f8808..ee3d7d7 100644
--- a/macOS/PostEditor/MacEditorTextView.swift
+++ b/macOS/PostEditor/MacEditorTextView.swift
@@ -1,212 +1,213 @@
// Based on:
//
// MacEditorTextView
// Copyright (c) Thiago Holanda 2020
// https://twitter.com/tholanda
//
// MIT license
//
// See: https://gist.github.com/unnamedd/6e8c3fbc806b8deb60fa65d6b9affab0
import Combine
import SwiftUI
struct MacEditorTextView: NSViewRepresentable {
@Binding var text: String
var isFirstResponder: Bool = false
var isEditable: Bool = true
var font: NSFont? = NSFont(name: PostAppearance.serif.rawValue, size: 17)
var onEditingChanged: () -> Void = {}
var onCommit: () -> Void = {}
var onTextChange: (String) -> Void = { _ in }
func makeCoordinator() -> Coordinator {
Coordinator(self)
}
func makeNSView(context: Context) -> CustomTextView {
let textView = CustomTextView(
text: text,
isEditable: isEditable,
isFirstResponder: isFirstResponder,
font: font
)
textView.delegate = context.coordinator
return textView
}
func updateNSView(_ view: CustomTextView, context: Context) {
view.text = text
view.selectedRanges = context.coordinator.selectedRanges
}
}
// MARK: - Coordinator
extension MacEditorTextView {
class Coordinator: NSObject, NSTextViewDelegate {
var parent: MacEditorTextView
var selectedRanges: [NSValue] = []
var didBecomeFirstResponder: Bool = false
init(_ parent: MacEditorTextView) {
self.parent = parent
}
func textDidBeginEditing(_ notification: Notification) {
guard let textView = notification.object as? NSTextView else {
return
}
self.parent.text = textView.string
self.parent.onEditingChanged()
}
func textDidChange(_ notification: Notification) {
guard let textView = notification.object as? NSTextView else {
return
}
self.parent.text = textView.string
self.selectedRanges = textView.selectedRanges
self.parent.onTextChange(textView.string)
}
func textDidEndEditing(_ notification: Notification) {
guard let textView = notification.object as? NSTextView else {
return
}
self.parent.text = textView.string
self.parent.onCommit()
}
}
}
// MARK: - CustomTextView
final class CustomTextView: NSView {
private var isFirstResponder: Bool
private var isEditable: Bool
private var font: NSFont?
weak var delegate: NSTextViewDelegate?
var text: String {
didSet {
textView.string = text
}
}
var selectedRanges: [NSValue] = [] {
didSet {
guard selectedRanges.count > 0 else {
return
}
textView.selectedRanges = selectedRanges
}
}
private lazy var scrollView: NSScrollView = {
let scrollView = NSScrollView()
scrollView.drawsBackground = false
scrollView.borderType = .noBorder
scrollView.hasVerticalScroller = true
scrollView.hasHorizontalRuler = false
scrollView.autoresizingMask = [.width, .height]
scrollView.translatesAutoresizingMaskIntoConstraints = false
return scrollView
}()
private lazy var textView: NSTextView = {
let contentSize = scrollView.contentSize
let textStorage = NSTextStorage()
let layoutManager = NSLayoutManager()
textStorage.addLayoutManager(layoutManager)
let textContainer = NSTextContainer(containerSize: scrollView.frame.size)
textContainer.widthTracksTextView = true
textContainer.containerSize = NSSize(
width: contentSize.width,
height: CGFloat.greatestFiniteMagnitude
)
layoutManager.addTextContainer(textContainer)
let paragraphStyle = NSMutableParagraphStyle()
- let lineHeightMultiple: CGFloat = 1.5
- paragraphStyle.lineHeightMultiple = lineHeightMultiple
+ let lineSpacing: CGFloat = 8.5
+ paragraphStyle.lineSpacing = lineSpacing
let textView = NSTextView(frame: .zero, textContainer: textContainer)
textView.autoresizingMask = .width
textView.delegate = self.delegate
textView.drawsBackground = false
textView.font = self.font
textView.defaultParagraphStyle = paragraphStyle
textView.isEditable = self.isEditable
textView.isHorizontallyResizable = false
textView.isVerticallyResizable = true
textView.maxSize = NSSize(
width: CGFloat.greatestFiniteMagnitude,
height: CGFloat.greatestFiniteMagnitude
)
textView.minSize = NSSize(width: 0, height: contentSize.height)
textView.textColor = NSColor.labelColor
textView.allowsUndo = true
textView.usesFindPanel = true
textView.isAutomaticDashSubstitutionEnabled = false
textView.isRichText = false
+ textView.typingAttributes = [.paragraphStyle: paragraphStyle, .font: font] // H/T Daniel Jalkut
return textView
}()
// MARK: - Init
init(text: String, isEditable: Bool, isFirstResponder: Bool, font: NSFont?) {
self.font = font
self.isFirstResponder = isFirstResponder
self.isEditable = isEditable
self.text = text
super.init(frame: .zero)
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
// MARK: - Life cycle
override func viewWillDraw() {
super.viewWillDraw()
setupScrollViewConstraints()
setupTextView()
if isFirstResponder {
self.window?.makeFirstResponder(self.textView)
}
}
func setupScrollViewConstraints() {
scrollView.translatesAutoresizingMaskIntoConstraints = false
addSubview(scrollView)
NSLayoutConstraint.activate([
scrollView.topAnchor.constraint(equalTo: topAnchor),
scrollView.trailingAnchor.constraint(equalTo: trailingAnchor),
scrollView.bottomAnchor.constraint(equalTo: bottomAnchor),
scrollView.leadingAnchor.constraint(equalTo: leadingAnchor)
])
}
func setupTextView() {
scrollView.documentView = textView
}
}

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