chore: Release

this should fix #140

Cargo.lock

@@ -1192,7 +1192,7 @@ dependencies = [
 
 [[package]]
 name = "input-capture"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "ashpd",
  "async-trait",
@@ -1217,7 +1217,7 @@ dependencies = [
 
 [[package]]
 name = "input-emulation"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "ashpd",
  "async-trait",
@@ -1240,7 +1240,7 @@ dependencies = [
 
 [[package]]
 name = "input-event"
-version = "0.1.0"
+version = "0.2.1"
 dependencies = [
  "futures-core",
  "log",

Cargo.toml

@@ -7,16 +7,16 @@ description = "Software KVM Switch / mouse & keyboard sharing software for Local
 version = "0.8.0"
 edition = "2021"
 license = "GPL-3.0-or-later"
-repository = "https://github.com/ferdinandschober/lan-mouse"
+repository = "https://github.com/feschber/lan-mouse"
 
 [profile.release]
 strip = true
 lto = "fat"
 
 [dependencies]
-input-event = { path = "input-event", version = "0.1.0" }
+input-event = { path = "input-event", version = "0.2.1" }
-input-emulation = { path = "input-emulation", version = "0.1.0", default-features = false }
+input-emulation = { path = "input-emulation", version = "0.2.0", default-features = false }
-input-capture = { path = "input-capture", version = "0.1.0", default-features = false }
+input-capture = { path = "input-capture", version = "0.2.0", default-features = false }
 
 hickory-resolver = "0.24.1"
 toml = "0.8"

input-capture/Cargo.toml

@@ -1,16 +1,16 @@
 [package]
 name = "input-capture"
 description = "cross-platform input-capture library used by lan-mouse"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 license = "GPL-3.0-or-later"
-repository = "https://github.com/ferdinandschober/lan-mouse"
+repository = "https://github.com/feschber/lan-mouse"
 
 [dependencies]
 futures = "0.3.28"
 futures-core = "0.3.30"
 log = "0.4.22"
-input-event = { path = "../input-event", version = "0.1.0" }
+input-event = { path = "../input-event", version = "0.2.1" }
 memmap = "0.7"
 tempfile = "3.8"
 thiserror = "1.0.61"

input-capture/src/libei.rs

@@ -91,13 +91,35 @@ fn pos_to_barrier(r: &Region, pos: Position) -> (i32, i32, i32, i32) {
     }
 }
 
+/// Ashpd does not expose fields
+#[derive(Clone, Copy, Debug)]
+struct ICBarrier {
+    barrier_id: BarrierID,
+    position: (i32, i32, i32, i32),
+}
+
+impl ICBarrier {
+    fn new(barrier_id: BarrierID, position: (i32, i32, i32, i32)) -> Self {
+        Self {
+            barrier_id,
+            position,
+        }
+    }
+}
+
+impl From<ICBarrier> for Barrier {
+    fn from(barrier: ICBarrier) -> Self {
+        Barrier::new(barrier.barrier_id, barrier.position)
+    }
+}
+
 fn select_barriers(
     zones: &Zones,
-    clients: &Vec<(CaptureHandle, Position)>,
+    clients: &[(CaptureHandle, Position)],
     next_barrier_id: &mut u32,
-) -> (Vec<Barrier>, HashMap<BarrierID, CaptureHandle>) {
+) -> (Vec<ICBarrier>, HashMap<BarrierID, CaptureHandle>) {
     let mut client_for_barrier = HashMap::new();
-    let mut barriers: Vec<Barrier> = vec![];
+    let mut barriers: Vec<ICBarrier> = vec![];
 
     for (handle, pos) in clients {
         let mut client_barriers = zones
@@ -108,7 +130,7 @@ fn select_barriers(
                 *next_barrier_id = id + 1;
                 let position = pos_to_barrier(r, *pos);
                 client_for_barrier.insert(id, *handle);
-                Barrier::new(id, position)
+                ICBarrier::new(id, position)
             })
             .collect();
         barriers.append(&mut client_barriers);
@@ -119,9 +141,9 @@ fn select_barriers(
 async fn update_barriers(
     input_capture: &InputCapture<'_>,
     session: &Session<'_, InputCapture<'_>>,
-    active_clients: &Vec<(CaptureHandle, Position)>,
+    active_clients: &[(CaptureHandle, Position)],
     next_barrier_id: &mut u32,
-) -> Result<HashMap<BarrierID, CaptureHandle>, ashpd::Error> {
+) -> Result<(Vec<ICBarrier>, HashMap<BarrierID, CaptureHandle>), ashpd::Error> {
     let zones = input_capture.zones(session).await?.response()?;
     log::debug!("zones: {zones:?}");
 
@@ -129,12 +151,13 @@ async fn update_barriers(
     log::debug!("barriers: {barriers:?}");
     log::debug!("client for barrier id: {id_map:?}");
 
+    let ashpd_barriers: Vec<Barrier> = barriers.iter().copied().map(|b| b.into()).collect();
     let response = input_capture
-        .set_pointer_barriers(session, &barriers, zones.zone_set())
+        .set_pointer_barriers(session, &ashpd_barriers, zones.zone_set())
         .await?;
     let response = response.response()?;
     log::debug!("{response:?}");
-    Ok(id_map)
+    Ok((barriers, id_map))
 }
 
 async fn create_session<'a>(
@@ -289,7 +312,7 @@ async fn do_capture(
                 input_capture,
                 &mut session,
                 &event_tx,
-                &mut active_clients,
+                &active_clients,
                 &mut next_barrier_id,
                 &notify_release,
                 (cancel_session.clone(), cancel_update.clone()),
@@ -332,7 +355,7 @@ async fn do_capture_session(
     input_capture: &InputCapture<'_>,
     session: &mut Session<'_, InputCapture<'_>>,
     event_tx: &Sender<(CaptureHandle, Event)>,
-    active_clients: &mut Vec<(CaptureHandle, Position)>,
+    active_clients: &[(CaptureHandle, Position)],
     next_barrier_id: &mut u32,
     notify_release: &Notify,
     cancel: (CancellationToken, CancellationToken),
@@ -345,7 +368,7 @@ async fn do_capture_session(
     let (context, ei_event_stream) = connect_to_eis(input_capture, session).await?;
 
     // set barriers
-    let client_for_barrier_id =
+    let (barriers, client_for_barrier_id) =
         update_barriers(input_capture, session, active_clients, next_barrier_id).await?;
 
     log::debug!("enabling session");
@@ -388,9 +411,15 @@ async fn do_capture_session(
                     let activated = activated.ok_or(CaptureError::ActivationClosed)?;
                     log::debug!("activated: {activated:?}");
 
-                    let client = *client_for_barrier_id
+                    // get barrier id from activation
-                        .get(&activated.barrier_id().expect("no barrier id reported by compositor!"))
+                    let barrier_id = match activated.barrier_id() {
-                        .expect("invalid barrier id");
+                        Some(bid) => bid,
+                        // workaround for KDE plasma not reporting barrier ids
+                        None => find_corresponding_client(&barriers, activated.cursor_position().expect("no cursor position reported by compositor")),
+                    };
+
+                    // find client corresponding to barrier
+                    let client = *client_for_barrier_id.get(&barrier_id).expect("invalid barrier id");
                     current_client.replace(Some(client));
 
                     // client entered => send event
@@ -462,6 +491,7 @@ async fn release_capture<'a>(
     let (x, y) = activated
         .cursor_position()
         .expect("compositor did not report cursor position!");
+    log::debug!("client entered @ ({x}, {y})");
     let pos = active_clients
         .iter()
         .filter(|(c, _)| *c == current_client)
@@ -483,6 +513,34 @@ async fn release_capture<'a>(
     Ok(())
 }
 
+fn find_corresponding_client(barriers: &[ICBarrier], pos: (f32, f32)) -> BarrierID {
+    barriers
+        .iter()
+        .copied()
+        .min_by_key(|b| {
+            let (x1, y1, x2, y2) = b.position;
+            let (x1, y1, x2, y2) = (x1 as f32, y1 as f32, x2 as f32, y2 as f32);
+            distance_to_line(((x1, y1), (x2, y2)), pos) as i32
+        })
+        .expect("could not find barrier corresponding to client")
+        .barrier_id
+}
+
+fn distance_to_line(line: ((f32, f32), (f32, f32)), p: (f32, f32)) -> f32 {
+    let ((x1, y1), (x2, y2)) = line;
+    let (x0, y0) = p;
+    /*
+     * we use the fact that for the triangle spanned by the line and p,
+     * the height of the triangle is the desired distance and can be calculated by
+     * h = 2A / b with b being the line_length and
+     */
+    let double_triangle_area = ((y2 - y1) * x0 - (x2 - x1) * y0 + x2 * y1 - y2 * x1).abs();
+    let line_length = ((y2 - y1).powf(2.0) + (x2 - x1).powf(2.0)).sqrt();
+    let distance = double_triangle_area / line_length;
+    log::debug!("distance to line({line:?}, {p:?}) = {distance}");
+    distance
+}
+
 static ALL_CAPABILITIES: &[DeviceCapability] = &[
     DeviceCapability::Pointer,
     DeviceCapability::PointerAbsolute,

input-emulation/Cargo.toml

@@ -1,16 +1,16 @@
 [package]
 name = "input-emulation"
 description = "cross-platform input emulation library used by lan-mouse"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 license = "GPL-3.0-or-later"
-repository = "https://github.com/ferdinandschober/lan-mouse"
+repository = "https://github.com/feschber/lan-mouse"
 
 [dependencies]
 async-trait = "0.1.80"
 futures = "0.3.28"
 log = "0.4.22"
-input-event = { path = "../input-event", version = "0.1.0" }
+input-event = { path = "../input-event", version = "0.2.1" }
 thiserror = "1.0.61"
 tokio = { version = "1.32.0", features = [
     "io-util",

input-emulation/src/error.rs

@@ -87,19 +87,25 @@ pub enum EmulationCreationError {
 
 impl EmulationCreationError {
     /// request was intentionally denied by the user
-    #[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
     pub(crate) fn cancelled_by_user(&self) -> bool {
-        matches!(
+        #[cfg(feature = "libei")]
+        if matches!(
             self,
             EmulationCreationError::Libei(LibeiEmulationCreationError::Ashpd(Response(
                 ResponseError::Cancelled,
-            ))) | EmulationCreationError::Xdp(XdpEmulationCreationError::Ashpd(Response(
+            )))
+        ) {
+            return true;
+        }
+        #[cfg(feature = "xdg_desktop_portal")]
+        if matches!(
+            self,
+            EmulationCreationError::Xdp(XdpEmulationCreationError::Ashpd(Response(
                 ResponseError::Cancelled,
             )))
-        )
+        ) {
-    }
+            return true;
-    #[cfg(not(all(unix, feature = "libei", not(target_os = "macos"))))]
+        }
-    pub(crate) fn cancelled_by_user(&self) -> bool {
         false
     }
 }

input-event/Cargo.toml

@@ -1,10 +1,10 @@
 [package]
 name = "input-event"
 description = "cross-platform input-event types for input-capture / input-emulation"
-version = "0.1.0"
+version = "0.2.1"
 edition = "2021"
 license = "GPL-3.0-or-later"
-repository = "https://github.com/ferdinandschober/lan-mouse"
+repository = "https://github.com/feschber/lan-mouse"
 
 [dependencies]
 futures-core = "0.3.30"