A #GtkToggleToolButton is a #GtkToolItem that contains a toggle button.
Use gtk.toggle_tool_button.ToggleToolButton.new_ to create a new GtkToggleToolButton.
GtkToggleToolButton has a single CSS node with name togglebutton.
A #GtkToggleToolButton is a #GtkToolItem that contains a toggle button.
Use gtk.toggle_tool_button.ToggleToolButton.new_ to create a new GtkToggleToolButton.
CSS nodes
GtkToggleToolButton has a single CSS node with name togglebutton.