pub trait FrameHeaderImplExt: ObjectSubclass {
    fn parent_page_changed(&self, header: &Self::Type, widget: Option<&Widget>);
    fn parent_can_drop(&self, header: &Self::Type, widget: &Widget) -> bool;
    fn parent_add_prefix(
        &self,
        header: &Self::Type,
        priority: i32,
        widget: &Widget
    ); fn parent_add_suffix(
        &self,
        header: &Self::Type,
        priority: i32,
        widget: &Widget
    ); }

Required methods

Implementors