GtkCellRendererSpinner renders a spinning animation in a cell, very similar to #GtkSpinner. It can often be used as an alternative to a #GtkCellRendererProgress for displaying indefinite activity, instead of actual progress.
Fluent builder for gtk.cell_renderer_spinner.CellRendererSpinner
Fluent builder implementation template for gtk.cell_renderer_spinner.CellRendererSpinner
Module for CellRendererSpinner class