Sets @tooltip as the contents of the tooltip for the icon at the specified position.
@tooltip is assumed to be marked up with Pango Markup.
Use %NULL for @tooltip to remove an existing tooltip.
See also [method@Gtk.Widget.set_tooltip_markup] and [method@Gtk.Entry.set_icon_tooltip_text].
the icon position
the contents of the tooltip for the icon, or %NULL
See Implementation
Sets @tooltip as the contents of the tooltip for the icon at the specified position.
@tooltip is assumed to be marked up with Pango Markup.
Use %NULL for @tooltip to remove an existing tooltip.
See also [method@Gtk.Widget.set_tooltip_markup] and [method@Gtk.Entry.set_icon_tooltip_text].