Struct LayoutEngine 

pub struct LayoutEngine {
    pub compactor: Box<dyn Compactor>,
    pub collision: Box<dyn CollisionResolver>,
    pub cols: i32,
}

The main orchestration point for grid operations.

Fields

compactor: Box<dyn Compactor>

The compaction strategy to use.

collision: Box<dyn CollisionResolver>

Displacement policy after overlaps.

cols: i32

The number of columns in the grid.

Implementations

impl LayoutEngine

pub fn new( compactor: Box<dyn Compactor>, collision: Box<dyn CollisionResolver>, cols: i32, ) -> Self

pub fn with_default_collision(compactor: Box<dyn Compactor>, cols: i32) -> Self

Gravity compaction with push-down collision resolution.

pub fn compact(&self, layout: &mut Vec<LayoutItem>)

pub fn move_element( &self, layout: &mut Vec<LayoutItem>, id: &str, x: i32, y: i32, )

pub fn resize_element( &self, layout: &mut Vec<LayoutItem>, id: &str, x: i32, y: i32, w: i32, h: i32, handle: Option<ResizeHandle>, )