Feature: Allow updating the textview

AuroraEditor · Jul 14, 2024 · 7436968 · 7436968
1 parent 7dec78d
commit 7436968
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Showing 3 changed files with 57 additions and 13 deletions.
diff --git a/Sources/AuroraEditorTextView/TextLayoutManager/TextLayoutManager.swift b/Sources/AuroraEditorTextView/TextLayoutManager/TextLayoutManager.swift
@@ -299,8 +299,8 @@ public class TextLayoutManager: NSObject {
 
         var height: CGFloat = 0
         var width: CGFloat = 0
-        var relativeMinY = max(layoutData.minY - position.yPos, 0)
-        var relativeMaxY = max(layoutData.maxY - position.yPos, relativeMinY)
+        let relativeMinY = max(layoutData.minY - position.yPos, 0)
+        let relativeMaxY = max(layoutData.maxY - position.yPos, relativeMinY)
 
         for lineFragmentPosition in line.typesetter.lineFragments.linesStartingAt(
             relativeMinY,

diff --git a/Sources/AuroraEditorTextView/TextView/TextView.swift b/Sources/AuroraEditorTextView/TextView/TextView.swift
@@ -44,14 +44,22 @@ public class TextView: NSView, NSTextContent {
     /// - foregroundColor: System text color
     /// - kern: 0.0
     public static var defaultTypingAttributes: [NSAttributedString.Key: Any] {
-        [.font: NSFont.systemFont(ofSize: 12), .foregroundColor: NSColor.textColor, .kern: 0.0]
+        [
+            .font: NSFont.systemFont(ofSize: 12),
+            .foregroundColor: NSColor.textColor,
+            .kern: 0.0
+        ]
     }
 
     // swiftlint:disable:next line_length
-    public static let textDidChangeNotification: Notification.Name = .init(rawValue: "com.AuroraEditor.TextView.TextDidChangeNotification")
+    public static let textDidChangeNotification: Notification.Name = .init(
+        rawValue: "com.AuroraEditor.TextView.TextDidChangeNotification"
+    )
 
     // swiftlint:disable:next line_length
-    public static let textWillChangeNotification: Notification.Name = .init(rawValue: "com.AuroraEditor.TextView.TextWillChangeNotification")
+    public static let textWillChangeNotification: Notification.Name = .init(
+        rawValue: "com.AuroraEditor.TextView.TextWillChangeNotification"
+    )
 
     // MARK: - Configuration
 
@@ -61,8 +69,20 @@ public class TextView: NSView, NSTextContent {
             textStorage.string
         }
         set {
-            layoutManager.willReplaceCharactersInRange(range: documentRange, with: newValue)
-            textStorage.setAttributedString(NSAttributedString(string: newValue, attributes: typingAttributes))
+            layoutManager.willReplaceCharactersInRange(
+                range: documentRange,
+                with: newValue
+            )
+            textStorage.setAttributedString(
+                NSAttributedString(
+                    string: newValue,
+                    attributes: typingAttributes
+                )
+            )
+            delegate?.textViewDidChange(
+                self,
+                newText: newValue
+            )
         }
     }
 
@@ -223,7 +243,9 @@ public class TextView: NSView, NSTextContent {
     var mouseDragTimer: Timer?
 
     private var fontCharWidth: CGFloat {
-        (" " as NSString).size(withAttributes: [.font: font]).width
+        (" " as NSString).size(
+            withAttributes: [.font: font]
+        ).width
     }
 
     internal(set) public var _undoManager: AEUndoManager?
@@ -283,10 +305,16 @@ public class TextView: NSView, NSTextContent {
             .foregroundColor: textColor,
         ]
 
-        textStorage.addAttributes(typingAttributes, range: documentRange)
+        textStorage.addAttributes(
+            typingAttributes,
+            range: documentRange
+        )
         textStorage.delegate = storageDelegate
 
-        layoutManager = setUpLayoutManager(lineHeightMultiplier: lineHeightMultiplier, wrapLines: wrapLines)
+        layoutManager = setUpLayoutManager(
+            lineHeightMultiplier: lineHeightMultiplier,
+            wrapLines: wrapLines
+        )
         storageDelegate.addDelegate(layoutManager)
         selectionManager = setUpSelectionManager()
         selectionManager.useSystemCursor = useSystemCursor
@@ -302,6 +330,7 @@ public class TextView: NSView, NSTextContent {
     public func setText(_ text: String) {
         let newStorage = NSTextStorage(string: text)
         self.setTextStorage(newStorage)
+        delegate?.textViewDidChange(self, newText: text)
     }
 
     /// Set a new text storage object for the view.
@@ -313,18 +342,29 @@ public class TextView: NSView, NSTextContent {
             view.removeFromSuperview()
         }
 
-        textStorage.addAttributes(typingAttributes, range: documentRange)
+        textStorage.addAttributes(
+            typingAttributes,
+            range: documentRange
+        )
         layoutManager.textStorage = textStorage
         layoutManager.reset()
 
         selectionManager.textStorage = textStorage
-        selectionManager.setSelectedRanges(selectionManager.textSelections.map { $0.range })
+        selectionManager.setSelectedRanges(
+            selectionManager.textSelections.map {
+                $0.range
+            })
 
         _undoManager?.clearStack()
 
         textStorage.delegate = storageDelegate
         needsDisplay = true
         needsLayout = true
+
+        delegate?.textViewDidChange(
+            self,
+            newText: textStorage.string
+        )
     }
 
     required init?(coder: NSCoder) {
@@ -540,7 +580,10 @@ public class TextView: NSView, NSTextContent {
         var lastFrame: CGRect = .zero
         while let selection = selectionManager
             .textSelections
-            .sorted(by: { $0.boundingRect.origin.y < $1.boundingRect.origin.y })
+            .sorted(
+                by: {
+                    $0.boundingRect.origin.y < $1.boundingRect.origin.y
+                })
             .first,
               lastFrame != selection.boundingRect {
             lastFrame = selection.boundingRect

diff --git a/Sources/AuroraEditorTextView/TextView/TextViewDelegate.swift b/Sources/AuroraEditorTextView/TextView/TextViewDelegate.swift
@@ -11,6 +11,7 @@ public protocol TextViewDelegate: AnyObject {
     func textView(_ textView: TextView, willReplaceContentsIn range: NSRange, with string: String)
     func textView(_ textView: TextView, didReplaceContentsIn range: NSRange, with string: String)
     func textView(_ textView: TextView, shouldReplaceContentsIn range: NSRange, with string: String) -> Bool
+    func textViewDidChange(_ textView: TextView, newText: String)
 }
 
 public extension TextViewDelegate {