pub trait LayoutManagerExt: 'static {
    fn allocate(
        &self,
        widget: &impl IsA<Widget>,
        width: i32,
        height: i32,
        baseline: i32
    ); fn layout_child(&self, child: &impl IsA<Widget>) -> LayoutChild; fn request_mode(&self) -> SizeRequestMode; fn widget(&self) -> Option<Widget>; fn layout_changed(&self); fn measure(
        &self,
        widget: &impl IsA<Widget>,
        orientation: Orientation,
        for_size: i32
    ) -> (i32, i32, i32, i32); }

Required methods

Implementors