autocommit 2022-01-06 19:08:32 CET

src/backend.rs

@@ -0,0 +1,30 @@
+use std::rc::Rc;
+use crate::fixed::Fixed;
+
+linear_ids!(OutputIds, OutputId);
+linear_ids!(SeatIds, SeatId);
+
+pub trait Output {
+    fn id(&self) -> OutputId;
+    fn removed(&self) -> bool;
+    fn width(&self) -> u32;
+    fn height(&self) -> u32;
+    fn on_change(&self, cb: Rc<dyn Fn()>);
+}
+
+pub trait Seat {
+    fn id(&self) -> SeatId;
+    fn removed(&self) -> bool;
+    fn event(&self) -> Option<SeatEvent>;
+    fn on_change(&self, cb: Rc<dyn Fn()>);
+}
+
+pub enum BackendEvent {
+    NewOutput(Rc<dyn Output>),
+    NewSeat(Rc<dyn Seat>),
+}
+
+#[derive(Debug)]
+pub enum SeatEvent {
+    Motion(OutputId, Fixed, Fixed),
+}