Property
Gtk.TreeView:hover-selection
Description [src]
Enables or disables the hover selection mode of tree_view.
Hover selection makes the selected row follow the pointer.
Currently, this works only for the selection modes
GTK_SELECTION_SINGLE and GTK_SELECTION_BROWSE.
This mode is primarily intended for treeviews in popups, e.g.
in GtkComboBox or GtkEntryCompletion.