Baseline project

src/utils/clipboard.rs

@@ -0,0 +1,49 @@
+use anyhow::Context;
+
+#[cfg(not(any(target_os = "android", target_os = "emscripten")))]
+mod internal {
+    use arboard::Clipboard;
+    use base64::{engine::general_purpose::STANDARD, Engine as _};
+    use std::sync::{LazyLock, Mutex};
+
+    static CLIPBOARD: LazyLock<Mutex<Option<Clipboard>>> =
+        LazyLock::new(|| Mutex::new(Clipboard::new().ok()));
+
+    pub fn set_text(text: &str) -> anyhow::Result<()> {
+        let mut clipboard = CLIPBOARD.lock().unwrap();
+        match clipboard.as_mut() {
+            Some(clipboard) => {
+                clipboard.set_text(text)?;
+                #[cfg(target_os = "linux")]
+                std::thread::sleep(std::time::Duration::from_millis(50));
+                Ok(())
+            }
+            None => set_text_osc52(text),
+        }
+    }
+
+    /// Attempts to set text to clipboard with OSC52 escape sequence
+    /// Works in many modern terminals, including over SSH.
+    fn set_text_osc52(text: &str) -> anyhow::Result<()> {
+        let encoded = STANDARD.encode(text);
+        let seq = format!("\x1b]52;c;{encoded}\x07");
+        if let Err(e) = std::io::Write::write_all(&mut std::io::stdout(), seq.as_bytes()) {
+            return Err(anyhow::anyhow!("Failed to send OSC52 sequence").context(e));
+        }
+        if let Err(e) = std::io::Write::flush(&mut std::io::stdout()) {
+            return Err(anyhow::anyhow!("Failed to flush OSC52 sequence").context(e));
+        }
+        Ok(())
+    }
+}
+
+#[cfg(any(target_os = "android", target_os = "emscripten"))]
+mod internal {
+    pub fn set_text(_text: &str) -> anyhow::Result<()> {
+        Err(anyhow::anyhow!("No clipboard available"))
+    }
+}
+
+pub fn set_text(text: &str) -> anyhow::Result<()> {
+    internal::set_text(text).context("Failed to copy")
+}