cacao 0.3.2

Rust bindings for AppKit (macOS/Airyx/GNUStep, beta) and UIKit (iOS/tvOS, alpha).
Documentation 
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use objc_id::ShareId;
use objc::runtime::Object;

/// Views get passed these, and can
#[derive(Debug)]
pub struct ViewHandle<T> {
    /// A pointer to the Objective-C runtime view controller.
    pub objc: ShareId<Object>,

    _t: std::marker::PhantomData<T>

    /// A pointer to the Objective-C runtime top layout constraint.
    pub top: LayoutAnchorY,

    /// A pointer to the Objective-C runtime leading layout constraint.
    pub leading: LayoutAnchorX,

    /// A pointer to the Objective-C runtime trailing layout constraint.
    pub trailing: LayoutAnchorX,

    /// A pointer to the Objective-C runtime bottom layout constraint.
    pub bottom: LayoutAnchorY,

    /// A pointer to the Objective-C runtime width layout constraint.
    pub width: LayoutAnchorDimension,

    /// A pointer to the Objective-C runtime height layout constraint.
    pub height: LayoutAnchorDimension,

    /// A pointer to the Objective-C runtime center X layout constraint.
    pub center_x: LayoutAnchorX,

    /// A pointer to the Objective-C runtime center Y layout constraint.
    pub center_y: LayoutAnchorY
}

impl<T> TextControl for ViewHandle<T>
where
    T:

impl<T> Layout for ViewHandle<T> {
    fn get_backing_node(&self) -> ShareId<Object> {
        self.objc.clone()
    }

    fn add_subview<V: Layout>(&self, view: &V) {
        let backing_node = view.get_backing_node();

        unsafe {
            let _: () = msg_send![&*self.objc, addSubview:backing_node];
        }
    }
}