textView(_:doubleClickedOn:in:at:)
Sent when the user double-clicks a cell.
Declaration
@MainActor optional func textView(_ textView: NSTextView, doubleClickedOn cell: any NSTextAttachmentCellProtocol, in cellFrame: NSRect, at charIndex: Int)Parameters
- textView:
The text view sending the message.
- cell:
The cell double-clicked by the user.
- cellFrame:
The frame of the double-clicked cell.
- charIndex:
The character index of the double-clicked cell.
Discussion
The delegate can use this message as its cue to perform an action, such as opening the file represented by the attachment. aTextView is the first text view in a series shared by a layout manager, not necessarily the one that draws cell.