Struct ScrollingBox

pub(crate) struct ScrollingBox {
    target: ScrollingBoxSource,
    overflow: AxesOverflow,
    cached_content_size: Cell<Option<LayoutSize>>,
    cached_size: Cell<Option<LayoutSize>>,
}

Fields

target: ScrollingBoxSource

overflow: AxesOverflow

cached_content_size: Cell<Option<LayoutSize>>

cached_size: Cell<Option<LayoutSize>>

Implementations

impl ScrollingBox

pub(crate) fn new(target: ScrollingBoxSource, overflow: AxesOverflow) -> Self

pub(crate) fn target(&self) -> &ScrollingBoxSource

pub(crate) fn is_viewport(&self) -> bool

pub(crate) fn scroll_position(&self) -> LayoutVector2D

pub(crate) fn content_size(&self) -> LayoutSize

pub(crate) fn size(&self) -> LayoutSize

pub(crate) fn parent(&self) -> Option<ScrollingBox>

pub(crate) fn node(&self) -> &Node

pub(crate) fn scroll_to( &self, position: LayoutVector2D, behavior: ScrollBehavior, )

pub(crate) fn can_keyboard_scroll_in_axis(&self, axis: ScrollingBoxAxis) -> bool

pub(crate) fn determine_scroll_into_view_position( &self, block: ScrollLogicalPosition, inline: ScrollLogicalPosition, target_rect: Rect<Au>, ) -> LayoutVector2D

https://drafts.csswg.org/cssom-view/#determine-the-scroll-into-view-position

fn calculate_scroll_position_one_axis( alignment: ScrollLogicalPosition, element_start: f32, element_end: f32, container_size: f32, current_scroll_offset: f32, ) -> f32

Step 10 from https://drafts.csswg.org/cssom-view/#determine-the-scroll-into-view-position: