diff options
Diffstat (limited to 'src/layout.rs')
-rw-r--r-- | src/layout.rs | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/src/layout.rs b/src/layout.rs deleted file mode 100644 index de284a43..00000000 --- a/src/layout.rs +++ /dev/null @@ -1,62 +0,0 @@ -use stretch::result; - -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)] -pub struct Layout<'a> { - layout: &'a result::Layout, - position: Point, -} - -impl<'a> Layout<'a> { - pub(crate) fn new(layout: &'a result::Layout) -> Self { - Self::with_parent_position(layout, Point::new(0.0, 0.0)) - } - - fn with_parent_position( - layout: &'a result::Layout, - parent_position: Point, - ) -> Self { - let position = - parent_position + Vector::new(layout.location.x, layout.location.y); - - Layout { layout, position } - } - - /// 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 { - Rectangle { - x: self.position.x, - y: self.position.y, - width: self.layout.size.width, - height: self.layout.size.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) - }) - } -} |