wip

Author: hellohuanlin

shell/platform/darwin/ios/framework/Source/FlutterTextInputPlugin.mm

@@ -1671,6 +1671,12 @@ - (CGRect)firstRectForRange:(UITextRange*)range {
     }
   }
 
+  if (@available(iOS 17.0, *)) {
+    // nothing
+  } else {
+    return CGRectZero;
+  }
+
   NSUInteger first = start;
   if (end < start) {
     first = end;
@@ -1694,11 +1700,11 @@ - (CGRect)firstRectForRange:(UITextRange*)range {
     if (startsOnOrBeforeStartOfRange &&
         (endOfTextIsAfterStartOfRange || nextSelectionRectIsAfterStartOfRange)) {
       // TODO(hellohaunlin): Remove iOS 17 check. The logic should also work for older versions.
-      if (@available(iOS 17, *)) {
-        startSelectionRect = _selectionRects[i].rect;
-      } else {
-        return _selectionRects[i].rect;
-      }
+      // if (@available(iOS 17, *)) {
+      startSelectionRect = _selectionRects[i].rect;
+      // } else {
+      //   return _selectionRects[i].rect;
+      // }
     }
     if (!CGRectIsNull(startSelectionRect)) {
       minY = fmin(minY, CGRectGetMinY(_selectionRects[i].rect));
@@ -1723,6 +1729,7 @@ - (CGRect)firstRectForRange:(UITextRange*)range {
     // fmin/fmax to support both LTR and RTL languages.
     CGFloat minX = fmin(CGRectGetMinX(startSelectionRect), CGRectGetMinX(endSelectionRect));
     CGFloat maxX = fmax(CGRectGetMaxX(startSelectionRect), CGRectGetMaxX(endSelectionRect));
+    NSLog(@"text height is: %f", maxY - minY);
     return CGRectMake(minX, minY, maxX - minX, maxY - minY);
   }
 }
@@ -2504,16 +2511,16 @@ - (void)setEditableSizeAndTransform:(NSDictionary*)dictionary {
     // TODO(hellohuanlin): Also need to handle iOS 16 case, where the auto-correction highlight does
     // not match the size of text.
     // See https://github.com/flutter/flutter/issues/131695
-    if (@available(iOS 17, *)) {
-      // Move auto-correction highlight to overlap with the actual text.
-      // This is to fix an issue where the system auto-correction highlight is displayed at
-      // the top left corner of the screen on iOS 17+.
-      // This problem also happens on iOS 16, but the size of highlight does not match the text.
-      // See https://github.com/flutter/flutter/issues/131695
-      // TODO(hellohuanlin): Investigate if we can use non-zero size.
-      _inputHider.frame =
-          CGRectMake([transform[leftIndex] intValue], [transform[topIndex] intValue], 0, 0);
-    }
+    // if (@available(iOS 17, *)) {
+    // Move auto-correction highlight to overlap with the actual text.
+    // This is to fix an issue where the system auto-correction highlight is displayed at
+    // the top left corner of the screen on iOS 17+.
+    // This problem also happens on iOS 16, but the size of highlight does not match the text.
+    // See https://github.com/flutter/flutter/issues/131695
+    // TODO(hellohuanlin): Investigate if we can use non-zero size.
+    _inputHider.frame =
+        CGRectMake([transform[leftIndex] intValue], [transform[topIndex] intValue], 0, 0);
+    // }
   }
 }