Updated to fix macOS overlay error.

twostraws · May 12, 2019 · 398e90f · 398e90f
1 parent a6339ee
commit 398e90f
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Showing 2 changed files with 491 additions and 490 deletions.
diff --git a/Sources/View/LineNumberLayoutManager.swift b/Sources/View/LineNumberLayoutManager.swift
@@ -63,8 +63,9 @@ class LineNumberLayoutManager: NSLayoutManager {
 			return paraNumber
 		}
 	}
-
-	override func processEditing(for textStorage: NSTextStorage, edited editMask: NSTextStorage.EditActions, range newCharRange: NSRange, changeInLength delta: Int, invalidatedRange invalidatedCharRange: NSRange) {
+
+    #if os(macOS)
+	override func processEditing(for textStorage: NSTextStorage, edited editMask: NSTextStorageEditActions, range newCharRange: NSRange, changeInLength delta: Int, invalidatedRange invalidatedCharRange: NSRange) {
 		super.processEditing(for: textStorage, edited: editMask, range: newCharRange, changeInLength: delta, invalidatedRange: invalidatedCharRange)
 		if invalidatedCharRange.location < lastParaLocation {
 			//  When the backing store is edited ahead the cached paragraph location, invalidate the cache and force a complete
@@ -74,6 +75,18 @@ class LineNumberLayoutManager: NSLayoutManager {
 			lastParaNumber = 0
 		}
 	}
+    #else
+    override func processEditing(for textStorage: NSTextStorage, edited editMask: NSTextStorage.EditActions, range newCharRange: NSRange, changeInLength delta: Int, invalidatedRange invalidatedCharRange: NSRange) {
+        super.processEditing(for: textStorage, edited: editMask, range: newCharRange, changeInLength: delta, invalidatedRange: invalidatedCharRange)
+        if invalidatedCharRange.location < lastParaLocation {
+            //  When the backing store is edited ahead the cached paragraph location, invalidate the cache and force a complete
+            //  recalculation.  We cannot be much smarter than this because we don't know how many paragraphs have been deleted
+            //  since the text has already been removed from the backing store.
+            lastParaLocation = 0
+            lastParaNumber = 0
+        }
+    }
+    #endif
 
 	var gutterWidth: CGFloat = 0.0