Trait gtk4::subclass::layout_manager::LayoutManagerImpl

source · [−]
pub trait LayoutManagerImpl: LayoutManagerImplExt + ObjectImpl {
    fn allocate(
        &self, 
        layout_manager: &Self::Type, 
        widget: &Widget, 
        width: i32, 
        height: i32, 
        baseline: i32
    ) { ... }
    fn create_layout_child(
        &self, 
        layout_manager: &Self::Type, 
        widget: &Widget, 
        for_child: &Widget
    ) -> LayoutChild { ... }
    fn layout_child_type() -> Option<Type> { ... }
    fn request_mode(
        &self, 
        layout_manager: &Self::Type, 
        widget: &Widget
    ) -> SizeRequestMode { ... }
    fn measure(
        &self, 
        layout_manager: &Self::Type, 
        widget: &Widget, 
        orientation: Orientation, 
        for_size: i32
    ) -> (i32, i32, i32, i32) { ... }
    fn root(&self, layout_manager: &Self::Type) { ... }
    fn unroot(&self, layout_manager: &Self::Type) { ... }
}

Provided methods

Only set if the child implemented LayoutChildImpl

Implementors