wip: sample selector

src/core.rs

@@ -8,6 +8,9 @@ pub(crate) use std::time::Duration;
 pub(crate) use std::collections::BTreeMap;
 pub(crate) use std::sync::atomic::{Ordering, AtomicBool};
 pub(crate) use std::sync::{Arc, Mutex, RwLock, LockResult, RwLockReadGuard, RwLockWriteGuard};
+pub(crate) use std::path::PathBuf;
+pub(crate) use std::fs::read_dir;
+pub(crate) use std::ffi::OsString;
 
 // Non-stdlib dependencies:
 pub(crate) use microxdg::XdgApp;
@@ -51,6 +54,19 @@ pub trait Exit: Component {
     }
 }
 
+#[macro_export] macro_rules! exit {
+    ($T:ty) => {
+        impl Exit for $T {
+            fn exited (&self) -> bool {
+                self.exited
+            }
+            fn exit (&mut self) {
+                self.exited = true
+            }
+        }
+    }
+}
+
 /// Anything that implements `Render` + `Handle` can be used as a UI component.
 impl<T: Render + Handle + Sync> Component for T {}
 
@@ -66,7 +82,9 @@ pub trait Device: Render + Handle + Process + Send + Sync {
 impl<T: Render + Handle + Process + Send + Sync> Device for T {}
 
 // Reexport macros:
-pub use crate::{submod, pubmod, render, handle, process, phrase, keymap, ports};
+pub use crate::{
+    submod, pubmod, render, handle, process, phrase, keymap, ports, exit
+};
 
 // Reexport JACK proto-lib:
 pub use crate::jack::*;