Backport getRectForCharRange to 0.73-stable (#2141)

microsoft · Jun 20, 2024 · 69ec3ae · 69ec3ae
2 parents 7634dcd + 593fa8d
commit 69ec3ae
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diff --git a/packages/react-native/Libraries/Text/Text/RCTTextView.h b/packages/react-native/Libraries/Text/Text/RCTTextView.h
@@ -22,6 +22,10 @@ NS_ASSUME_NONNULL_BEGIN
           contentFrame:(CGRect)contentFrame
        descendantViews:(NSArray<RCTPlatformView *> *)descendantViews; // [macOS]
 
+#if TARGET_OS_OSX // [macOS
+- (NSRect)getRectForCharRange:(NSRange)charRange;
+#endif // macOS]
+
 /**
  * (Experimental and unused for Paper) Pointer event handlers.
  */

diff --git a/packages/react-native/Libraries/Text/Text/RCTTextView.mm b/packages/react-native/Libraries/Text/Text/RCTTextView.mm
@@ -207,6 +207,22 @@ - (void)setTextStorage:(NSTextStorage *)textStorage
   [self setNeedsDisplay];
 }
 
+#if TARGET_OS_OSX // [macOS
+- (NSRect)getRectForCharRange:(NSRange)charRange
+{
+    if (_textStorage) {
+        NSLayoutManager *layoutManager = _textStorage.layoutManagers.firstObject;
+        NSTextContainer *textContainer = layoutManager.textContainers.firstObject;
+        if (layoutManager && textContainer) {
+            NSRange glyphRange = [layoutManager glyphRangeForCharacterRange:charRange actualCharacterRange:nullptr];
+            return [layoutManager boundingRectForGlyphRange:glyphRange inTextContainer:textContainer];
+        }
+    }
+
+    return {0, 0, 0, 0};
+}
+#endif // macOS]
+
 - (void)drawRect:(CGRect)rect
 {
   [super drawRect:rect];