setTooltipColumn
If you only plan to have simple (text-only) tooltips on full rows, you can use this function to have GtkTreeView
handle these automatically for you. @column should be set to the column in @tree_view’s model containing the tooltip texts, or -1 to disable this feature.
When enabled, GtkWidget:has-tooltip
will be set to true and
Parameters
column
an integer, which is a valid column number for @tree_view’s model