A #GtkRadioToolButton is a #GtkToolItem that contains a radio button, that is, a button that is part of a group of toggle buttons where only one button can be active at a time.
Use gtk.radio_tool_button.RadioToolButton.new_ to create a new GtkRadioToolButton. Use gtk.radio_tool_button.RadioToolButton.newFromWidget to create a new GtkRadioToolButton that is part of the same group as an existing GtkRadioToolButton.
GtkRadioToolButton has a single CSS node with name toolbutton.
A #GtkRadioToolButton is a #GtkToolItem that contains a radio button, that is, a button that is part of a group of toggle buttons where only one button can be active at a time.
Use gtk.radio_tool_button.RadioToolButton.new_ to create a new GtkRadioToolButton. Use gtk.radio_tool_button.RadioToolButton.newFromWidget to create a new GtkRadioToolButton that is part of the same group as an existing GtkRadioToolButton.
CSS nodes
GtkRadioToolButton has a single CSS node with name toolbutton.