smithay

Macro delegate_xdg_foreign

Source 
macro_rules! delegate_xdg_foreign {
    ($(@<$( $lt:tt $( : $clt:tt $(+ $dlt:tt )* )? ),+>)? $ty: ty) => { ... };
}
Available on crate feature wayland_frontend only.
Expand description

Macro to delegate implementation of the xdg foreign to XdgForeignState.

You must also implement XdgForeignHandler and XdgShellHandler to use this.