0.4.0 mostly complete milestone

client/Cargo.toml

@@ -24,6 +24,8 @@ gstreamer-video         = "0.23"
 gstreamer-gl-wayland    = "0.23"
 winit                   = "0.30"
 raw-window-handle       = "0.6"
+serde                   = { version = "1.0", features = ["derive"] }
+serde_json              = "1.0"
 
 [build-dependencies]
 prost-build             = "0.13"

client/src/input/inputs.rs

@@ -1,7 +1,7 @@
 // client/src/input/inputs.rs
 
 use anyhow::{bail, Context, Result};
-use evdev::{Device, EventType, KeyCode, RelativeAxisCode, ReadFlag, WriteFlag};
+use evdev::{Device, EventType, KeyCode, RelativeAxisCode};
 use tokio::{sync::broadcast::Sender, time::{interval, Duration}};
 use tracing::{debug, info, warn};
 
@@ -9,6 +9,7 @@ use lesavka_common::lesavka::{KeyboardReport, MouseReport};
 
 use super::{keyboard::KeyboardAggregator, mouse::MouseAggregator,
             camera::CameraCapture,  microphone::MicrophoneCapture};
+use crate::layout::{Layout, apply as apply_layout};
 
 pub struct InputAggregator {
     kbd_tx: Sender<KeyboardReport>,
@@ -48,15 +49,11 @@ impl InputAggregator {
                 continue;
             }
 
-            // attempt open
-            let mut dev = match Device::open_with_options(
-                &path,
-                ReadFlag::NORMAL | ReadFlag::BLOCKING,
-                WriteFlag::NORMAL,                 // <-- write access needed for EVIOCGRAB
-            ) {
+            // ─── open the event node read‑write *without* unsafe ──────────
+            let mut dev = match Device::open(&path) {
                 Ok(d) => d,
                 Err(e) => {
-                    warn!("❌ open {path}: {e}");
+                    warn!("❌ open {}: {e}", path.display());
                     continue;
                 }
             };
@@ -109,8 +106,11 @@ impl InputAggregator {
     pub async fn run(&mut self) -> Result<()> {
         // Example approach: poll each aggregator in a simple loop
         let mut tick = interval(Duration::from_millis(10));
+        let mut current = Layout::SideBySide;
         loop {
             let magic_now = self.keyboards.iter().any(|k| k.magic_grab());
+            let magic_left = self.keyboards.iter().any(|k| k.magic_left());
+            let magic_right = self.keyboards.iter().any(|k| k.magic_right());
             let mut want_kill   = false;
             for kbd in &mut self.keyboards {
                 kbd.process_events();
@@ -118,6 +118,14 @@ impl InputAggregator {
             }
 
             if magic_now && !self.magic_active { self.toggle_grab(); }
+            if (magic_left || magic_right) && self.magic_active {
+                current = match current {
+                    Layout::SideBySide => Layout::FullLeft,
+                    Layout::FullLeft   => Layout::FullRight,
+                    Layout::FullRight  => Layout::SideBySide,
+                };
+                apply_layout(current);
+            }
             if want_kill   { 
                 warn!("🧙  magic chord - killing 🪄 AVADA KEDAVRA!!! 💥💀⚰️");
                 std::process::exit(0); 

client/src/input/keyboard.rs

@@ -89,6 +89,18 @@ impl KeyboardAggregator {
             && self.has_key(KeyCode::KEY_G)
     }
 
+    pub fn magic_left(&self) -> bool {
+        self.has_key(KeyCode::KEY_LEFTCTRL)
+            && self.has_key(KeyCode::KEY_LEFTSHIFT)
+            && self.has_key(KeyCode::KEY_LEFT)
+    }
+
+    pub fn magic_right(&self) -> bool {
+        self.has_key(KeyCode::KEY_LEFTCTRL)
+            && self.has_key(KeyCode::KEY_LEFTSHIFT)
+            && self.has_key(KeyCode::KEY_RIGHT)
+    }
+
     pub fn magic_kill(&self) -> bool {
         self.has_key(KeyCode::KEY_LEFTCTRL)
             && self.has_key(KeyCode::KEY_ESC)

client/src/layout.rs

@@ -0,0 +1,67 @@
+// client/src/layout.rs  – Wayland‑only window placement utilities
+#![forbid(unsafe_code)]
+
+use std::process::Command;
+use tracing::{info, warn};
+use serde_json::Value;
+
+/// The three layouts we cycle through.
+#[derive(Clone, Copy)]
+pub enum Layout {
+    SideBySide,   // two halves on the current monitor
+    FullLeft,     // left eye full‑screen, right hidden
+    FullRight,    // right eye full‑screen, left hidden
+}
+
+/// Move/resize a window titled “Lesavka‑eye‑{eye}” using `swaymsg`.
+fn place_window(eye: u32, x: i32, y: i32, w: i32, h: i32) {
+    let title = format!("Lesavka‑eye‑{eye}");
+    let cmd   = format!(
+        r#"[title="^{title}$"] resize set {w} {h}; move position {x} {y}"#
+    );
+
+    match Command::new("swaymsg").arg(cmd).status() {
+        Ok(st) if st.success() => info!("✅ placed eye{eye} {w}×{h}@{x},{y}"),
+        Ok(st)                 => warn!("⚠️ swaymsg exited with {st}"),
+        Err(e)                 => warn!("⚠️ swaymsg failed: {e}"),
+    }
+}
+
+/// Apply a layout on the **currently‑focused** output.
+/// No `?` operators → the function can stay `-> ()`.
+pub fn apply(layout: Layout) {
+    let out = match Command::new("swaymsg")
+        .args(["-t", "get_outputs", "-r"])
+        .output()
+    {
+        Ok(o) => o.stdout,
+        Err(e) => { warn!("get_outputs failed: {e}"); return; }
+    };
+
+    let Ok(Value::Array(outputs)) = serde_json::from_slice::<Value>(&out) else {
+        warn!("unexpected JSON from swaymsg"); return;
+    };
+    let Some(rect) = outputs.iter()
+        .find(|o| o.get("focused").and_then(Value::as_bool) == Some(true))
+        .and_then(|o| o.get("rect")) else { return; };
+
+    // helper to read an i64 → i32 with defaults
+    let g = |k: &str| rect.get(k).and_then(Value::as_i64).unwrap_or(0) as i32;
+    let (x, y, w, h) = (g("x"), g("y"), g("width"), g("height"));
+
+    match layout {
+        Layout::SideBySide => {
+            let w_half = w / 2;
+            place_window(0, x,           y, w_half, h);
+            place_window(1, x + w_half,  y, w_half, h);
+        }
+        Layout::FullLeft => {
+            place_window(0, x, y, w, h);
+            place_window(1, x + w * 2, y + h * 2, 1, 1); // off‑screen
+        }
+        Layout::FullRight => {
+            place_window(1, x, y, w, h);
+            place_window(0, x + w * 2, y + h * 2, 1, 1);
+        }
+    }
+}

client/src/lib.rs

@@ -5,5 +5,6 @@
 pub mod app;
 pub mod input;
 pub mod output;
+pub mod layout;
 
 pub use app::LesavkaClientApp;

server/src/video.rs

@@ -45,6 +45,7 @@ pub async fn eye_ball(
     gst::init().context("gst init")?;
 
     let desc = format!(
+
         "v4l2src device=\"{dev}\" io-mode=mmap ! \
          queue ! tsdemux name=d ! \
          d. ! h264parse disable-passthrough=true config-interval=-1 ! \