wayland: implement pointer-gestures-unstable-v1

src/ifs/wl_seat/zwp_pointer_gesture_hold_v1.rs

@@ -0,0 +1,74 @@
+use {
+    crate::{
+        client::{Client, ClientError},
+        ifs::{wl_seat::WlSeatGlobal, wl_surface::WlSurface},
+        leaks::Tracker,
+        object::{Object, Version},
+        wire::{zwp_pointer_gesture_hold_v1::*, ZwpPointerGestureHoldV1Id},
+    },
+    std::rc::Rc,
+    thiserror::Error,
+};
+
+pub struct ZwpPointerGestureHoldV1 {
+    pub id: ZwpPointerGestureHoldV1Id,
+    pub client: Rc<Client>,
+    pub seat: Rc<WlSeatGlobal>,
+    pub tracker: Tracker<Self>,
+    pub version: Version,
+}
+
+impl ZwpPointerGestureHoldV1 {
+    fn detach(&self) {
+        self.seat.hold_bindings.remove(&self.client, self);
+    }
+
+    pub fn send_hold_begin(&self, n: &WlSurface, serial: u32, time_usec: u64, finger_count: u32) {
+        self.client.event(Begin {
+            self_id: self.id,
+            serial,
+            time: (time_usec / 1000) as u32,
+            surface: n.id,
+            fingers: finger_count,
+        });
+    }
+
+    pub fn send_hold_end(&self, serial: u32, time_usec: u64, cancelled: bool) {
+        self.client.event(End {
+            self_id: self.id,
+            serial,
+            time: (time_usec / 1000) as u32,
+            cancelled: cancelled as _,
+        });
+    }
+}
+
+impl ZwpPointerGestureHoldV1RequestHandler for ZwpPointerGestureHoldV1 {
+    type Error = ZwpPointerGestureHoldV1Error;
+
+    fn destroy(&self, _req: Destroy, _slf: &Rc<Self>) -> Result<(), Self::Error> {
+        self.detach();
+        self.client.remove_obj(self)?;
+        Ok(())
+    }
+}
+
+object_base! {
+    self = ZwpPointerGestureHoldV1;
+    version = self.version;
+}
+
+impl Object for ZwpPointerGestureHoldV1 {
+    fn break_loops(&self) {
+        self.detach();
+    }
+}
+
+simple_add_obj!(ZwpPointerGestureHoldV1);
+
+#[derive(Debug, Error)]
+pub enum ZwpPointerGestureHoldV1Error {
+    #[error(transparent)]
+    ClientError(Box<ClientError>),
+}
+efrom!(ZwpPointerGestureHoldV1Error, ClientError);