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