If you only plan to have simple (text-only) tooltips on full items, you
can use this function to have GtkIconView handle these automatically
for you. column should be set to the column in icon_view's model
containing the tooltip texts, or -1 to disable this feature.
When enabled, "has-tooltip" will be set to TRUE and
icon_view will connect a "query-tooltip" signal handler.
Since 2.12
If you only plan to have simple (text-only) tooltips on full items, you can use this function to have GtkIconView handle these automatically for you. column should be set to the column in icon_view's model containing the tooltip texts, or -1 to disable this feature. When enabled, "has-tooltip" will be set to TRUE and icon_view will connect a "query-tooltip" signal handler. Since 2.12