Struct UiState

pub struct UiState {
    pub dom_id: DomId,
    pub dynamic_css_overrides: BTreeMap<NodeId, FastHashMap<DomString, CssProperty>>,
    pub tag_ids_to_hover_active_states: BTreeMap<TagId, (NodeId, HoverGroup)>,
    pub tab_index_tags: BTreeMap<TagId, (NodeId, TabIndex)>,
    pub draggable_tags: BTreeMap<TagId, NodeId>,
    pub tag_ids_to_node_ids: BTreeMap<TagId, NodeId>,
    pub node_ids_to_tag_ids: BTreeMap<NodeId, TagId>,
    pub hover_callbacks: BTreeMap<NodeId, BTreeMap<HoverEventFilter, (Callback, RefAny)>>,
    pub focus_callbacks: BTreeMap<NodeId, BTreeMap<FocusEventFilter, (Callback, RefAny)>>,
    pub not_callbacks: BTreeMap<NodeId, BTreeMap<NotEventFilter, (Callback, RefAny)>>,
    pub window_callbacks: BTreeMap<NodeId, BTreeMap<WindowEventFilter, (Callback, RefAny)>>,
    /* private fields */
}

Fields

dom_id: DomId

Unique identifier for the DOM

dynamic_css_overrides: BTreeMap<NodeId, FastHashMap<DomString, CssProperty>>

The style properties that should be overridden for this frame, cloned from the Css

tag_ids_to_hover_active_states: BTreeMap<TagId, (NodeId, HoverGroup)>

Stores all tags for nodes that need to activate on a :hover or :active event.

tab_index_tags: BTreeMap<TagId, (NodeId, TabIndex)>

Tags -> Focusable nodes

draggable_tags: BTreeMap<TagId, NodeId>

Tags -> Draggable nodes

tag_ids_to_node_ids: BTreeMap<TagId, NodeId>

Tag IDs -> Node IDs

node_ids_to_tag_ids: BTreeMap<NodeId, TagId>

Reverse of tag_ids_to_node_ids.

hover_callbacks: BTreeMap<NodeId, BTreeMap<HoverEventFilter, (Callback, RefAny)>>

focus_callbacks: BTreeMap<NodeId, BTreeMap<FocusEventFilter, (Callback, RefAny)>>

not_callbacks: BTreeMap<NodeId, BTreeMap<NotEventFilter, (Callback, RefAny)>>

window_callbacks: BTreeMap<NodeId, BTreeMap<WindowEventFilter, (Callback, RefAny)>>

Implementations

impl UiState

pub const fn get_dom(&self) -> &CompactDom

impl UiState

pub fn new(dom: Dom, parent_dom: Option<(DomId, NodeId)>) -> UiState

The UiState contains all the tags (for hit-testing) as well as the mapping from Hit-testing tags to NodeIds (which are important for filtering input events and routing input events to the callbacks).

pub fn new_from_app_state<'a>( data: &RefAny, layout_info: LayoutInfo<'a>, parent_dom: Option<(DomId, NodeId)>, layout_callback: LayoutCallback, ) -> UiState

pub fn create_tags_for_hover_nodes( &mut self, hover_nodes: &BTreeMap<NodeId, HoverGroup>, )

pub fn scan_for_iframe_callbacks( &self, ) -> Vec<(NodeId, &(IFrameCallback, RefAny))>

pub fn scan_for_gltexture_callbacks( &self, ) -> Vec<(NodeId, &(GlCallback, RefAny))>

Trait Implementations

impl Debug for UiState

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.