diff options
Diffstat (limited to 'native/src/layout.rs')
-rw-r--r-- | native/src/layout.rs | 62 |
1 files changed, 25 insertions, 37 deletions
diff --git a/native/src/layout.rs b/native/src/layout.rs index 32630f35..0a744346 100644 --- a/native/src/layout.rs +++ b/native/src/layout.rs @@ -1,62 +1,50 @@ -use stretch::result; +mod limits; +mod node; + +pub mod flex; + +pub use limits::Limits; +pub use node::Node; use crate::{Point, Rectangle, Vector}; -/// The computed bounds of a [`Node`] and its children. -/// -/// This type is provided by the GUI runtime to [`Widget::on_event`] and -/// [`Widget::draw`], describing the layout of the [`Node`] produced by -/// [`Widget::node`]. -/// -/// [`Node`]: struct.Node.html -/// [`Widget::on_event`]: widget/trait.Widget.html#method.on_event -/// [`Widget::draw`]: widget/trait.Widget.html#tymethod.draw -/// [`Widget::node`]: widget/trait.Widget.html#tymethod.node #[derive(Debug, Clone, Copy)] pub struct Layout<'a> { - layout: &'a result::Layout, position: Point, + node: &'a Node, } impl<'a> Layout<'a> { - pub(crate) fn new(layout: &'a result::Layout) -> Self { - Self::with_parent_position(layout, Point::new(0.0, 0.0)) + pub(crate) fn new(node: &'a Node) -> Self { + Self::with_offset(Vector::new(0.0, 0.0), node) } - fn with_parent_position( - layout: &'a result::Layout, - parent_position: Point, - ) -> Self { - let position = - parent_position + Vector::new(layout.location.x, layout.location.y); + pub(crate) fn with_offset(offset: Vector, node: &'a Node) -> Self { + let bounds = node.bounds(); - Layout { layout, position } + Self { + position: Point::new(bounds.x, bounds.y) + offset, + node, + } } - /// Gets the bounds of the [`Layout`]. - /// - /// The returned [`Rectangle`] describes the position and size of a - /// [`Node`]. - /// - /// [`Layout`]: struct.Layout.html - /// [`Rectangle`]: struct.Rectangle.html - /// [`Node`]: struct.Node.html pub fn bounds(&self) -> Rectangle { + let bounds = self.node.bounds(); + Rectangle { x: self.position.x, y: self.position.y, - width: self.layout.size.width, - height: self.layout.size.height, + width: bounds.width, + height: bounds.height, } } - /// Returns an iterator over the [`Layout`] of the children of a [`Node`]. - /// - /// [`Layout`]: struct.Layout.html - /// [`Node`]: struct.Node.html pub fn children(&'a self) -> impl Iterator<Item = Layout<'a>> { - self.layout.children.iter().map(move |layout| { - Layout::with_parent_position(layout, self.position) + self.node.children().iter().map(move |node| { + Layout::with_offset( + Vector::new(self.position.x, self.position.y), + node, + ) }) } } |