Trait orbtk::prelude::Layout

pub trait Layout: Any {
    fn measure(
        &self, 
        render_context_2_d: &mut RenderContext2D, 
        entity: Entity, 
        ecm: &mut EntityComponentManager<Tree, StringComponentStore>, 
        layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>, 
        theme: &Theme
    ) -> DirtySize;
    fn arrange(
        &self, 
        render_context_2_d: &mut RenderContext2D, 
        parent_size: (f64, f64), 
        entity: Entity, 
        ecm: &mut EntityComponentManager<Tree, StringComponentStore>, 
        layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>, 
        theme: &Theme
    ) -> (f64, f64);
}

A layout is used to dynamic order the children of a widget.

Required methods

fn measure(
    &self,
    render_context_2_d: &mut RenderContext2D,
    entity: Entity,
    ecm: &mut EntityComponentManager<Tree, StringComponentStore>,
    layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>,
    theme: &Theme
) -> DirtySize

fn arrange(
    &self,
    render_context_2_d: &mut RenderContext2D,
    parent_size: (f64, f64),
    entity: Entity,
    ecm: &mut EntityComponentManager<Tree, StringComponentStore>,
    layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>,
    theme: &Theme
) -> (f64, f64)

Arranges and sizes the children.

Loading content...

Implementors

impl Layout for AbsoluteLayout

fn measure(
    &self,
    render_context_2_d: &mut RenderContext2D,
    entity: Entity,
    ecm: &mut EntityComponentManager<Tree, StringComponentStore>,
    layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>,
    theme: &Theme
) -> DirtySize

fn arrange(
    &self,
    render_context_2_d: &mut RenderContext2D,
    _parent_size: (f64, f64),
    entity: Entity,
    ecm: &mut EntityComponentManager<Tree, StringComponentStore>,
    layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>,
    theme: &Theme
) -> (f64, f64)

impl Layout for FixedSizeLayout

fn measure(
    &self,
    render_context_2_d: &mut RenderContext2D,
    entity: Entity,
    ecm: &mut EntityComponentManager<Tree, StringComponentStore>,
    layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>,
    theme: &Theme
) -> DirtySize

fn arrange(
    &self,
    render_context_2_d: &mut RenderContext2D,
    _parent_size: (f64, f64),
    entity: Entity,
    ecm: &mut EntityComponentManager<Tree, StringComponentStore>,
    layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>,
    theme: &Theme
) -> (f64, f64)

impl Layout for GridLayout

fn measure(
    &self,
    render_context_2_d: &mut RenderContext2D,
    entity: Entity,
    ecm: &mut EntityComponentManager<Tree, StringComponentStore>,
    layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>,
    theme: &Theme
) -> DirtySize

fn arrange(
    &self,
    render_context_2_d: &mut RenderContext2D,
    parent_size: (f64, f64),
    entity: Entity,
    ecm: &mut EntityComponentManager<Tree, StringComponentStore>,
    layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>,
    theme: &Theme
) -> (f64, f64)

impl Layout for PaddingLayout

fn measure(
    &self,
    render_context_2_d: &mut RenderContext2D,
    entity: Entity,
    ecm: &mut EntityComponentManager<Tree, StringComponentStore>,
    layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>,
    theme: &Theme
) -> DirtySize

fn arrange(
    &self,
    render_context_2_d: &mut RenderContext2D,
    parent_size: (f64, f64),
    entity: Entity,
    ecm: &mut EntityComponentManager<Tree, StringComponentStore>,
    layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>,
    theme: &Theme
) -> (f64, f64)

impl Layout for PopupLayout

fn measure(
    &self,
    render_context_2_d: &mut RenderContext2D,
    entity: Entity,
    ecm: &mut EntityComponentManager<Tree, StringComponentStore>,
    layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>,
    theme: &Theme
) -> DirtySize

fn arrange(
    &self,
    render_context_2_d: &mut RenderContext2D,
    parent_size: (f64, f64),
    entity: Entity,
    ecm: &mut EntityComponentManager<Tree, StringComponentStore>,
    layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>,
    theme: &Theme
) -> (f64, f64)

impl Layout for StackLayout

fn measure(
    &self,
    render_context_2_d: &mut RenderContext2D,
    entity: Entity,
    ecm: &mut EntityComponentManager<Tree, StringComponentStore>,
    layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>,
    theme: &Theme
) -> DirtySize

fn arrange(
    &self,
    render_context_2_d: &mut RenderContext2D,
    parent_size: (f64, f64),
    entity: Entity,
    ecm: &mut EntityComponentManager<Tree, StringComponentStore>,
    layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>,
    theme: &Theme
) -> (f64, f64)

impl Layout for TextSelectionLayout

fn measure(
    &self,
    render_context_2_d: &mut RenderContext2D,
    entity: Entity,
    ecm: &mut EntityComponentManager<Tree, StringComponentStore>,
    layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>,
    theme: &Theme
) -> DirtySize

fn arrange(
    &self,
    render_context_2_d: &mut RenderContext2D,
    parent_size: (f64, f64),
    entity: Entity,
    ecm: &mut EntityComponentManager<Tree, StringComponentStore>,
    layouts: &BTreeMap<Entity, Box<dyn Layout + 'static>>,
    theme: &Theme
) -> (f64, f64)

Loading content...