setCaretRect method Null safety

void setCaretRect(
  1. Rect rect
)

Sends the coordinates of caret rect. This is used on macOS for positioning the accent selection menu.

Implementation

void setCaretRect(Rect rect) {
  assert(rect != null);
  if (rect == _cachedCaretRect) {
    return;
  }
  _cachedCaretRect = rect;
  final Rect validRect = rect.isFinite ? rect : Offset.zero & const Size(-1, -1);
  TextInput._instance._setCaretRect(validRect);
}