Returns the URI for the currently active link in the label.
The active link is the one under the mouse pointer or, in a
selectable label, the link in which the text cursor is currently
positioned.
This function is intended for use in a "activate-link" handler
or for use in a "query-tooltip" handler.
Since 2.18
Returns the URI for the currently active link in the label. The active link is the one under the mouse pointer or, in a selectable label, the link in which the text cursor is currently positioned. This function is intended for use in a "activate-link" handler or for use in a "query-tooltip" handler. Since 2.18