Returns a potentially modified location to which the marker should be moved.
- macOS 10.0+
The ruler view sending the message.
The marker to be moved.
The new location for the marker, in the ruler view’s coordinates.
The modified location to which the marker should be moved.
This method ensures that the proposed
a lies within the appropriate bounds for the receiver’s text container. Appropriate bounds are those of the text container minus its line fragment padding.
Typically, the ruler view's width matches that of its text view.