SplitButton.setPopover
void setPopover(gtk.popover.Popover popover = null)Sets the popover that will be popped up when the dropdown is clicked.
If the popover is NULL, the dropdown is disabled.
If adw.split_button.SplitButton.menuModel is set, the menu model is dissociated from the button, and the property is set to NULL.
Parameters
popover | the popover |