Use OSC 52 for copying

Author: pvolok

Cargo.lock

@@ -36,8 +36,8 @@ path = "src/main.rs"
 [dependencies]
 anyhow = "1.0.44"
 assert_matches = "1.5.0"
+base64 = "0.13.0"
 clap = { version = "3.1.8", features = ["cargo"] }
-clipboard = "0.5.0"
 crossterm = { version = "0.23.2", features = ["event-stream"] }
 dunce = "1.0.2"
 # Excluded "textfilter" feature that depends on regex (~0.7 MiB).

Cargo.toml

@@ -334,3 +334,12 @@ server and a client, which allows the client to detach and reattach later,
 keeping the processes running. _mprocs_ is meant more for finite lifetime
 processes that you keep re-running, but when _mprocs_ ends, so do the processes
 it is running within its windows.
+
+### Copying doesn't work in tmux
+
+Tmux doesn't have escape sequences for copying enabled by default. To enable it
+add the following to `~/.tmux.conf`:
+
+```
+set -g set-clipboard on
+```

README.md

@@ -746,18 +746,11 @@ impl App {
           if let CopyMode::Range(screen, start, end) = &proc.copy_mode {
             let (low, high) = Pos::to_low_high(start, end);
             let text = screen.get_selected_text(low.x, low.y, high.x, high.y);
-            let ctx: Result<clipboard::ClipboardContext, _> =
-              clipboard::ClipboardProvider::new();
-            match ctx {
-              Ok(mut ctx) => {
-                match clipboard::ClipboardProvider::set_contents(&mut ctx, text)
-                {
-                  Ok(()) => (),
-                  Err(err) => log::warn!("Failed to copy: {}", err),
-                }
-              }
-              Err(err) => log::warn!("Failed to get clipboard: {}", err),
-            }
+
+            let mut stdout = std::io::stdout().lock();
+            use std::io::Write;
+            let _r =
+              write!(&mut stdout, "\x1b]52;;{}\x07", base64::encode(&text));
           }
           proc.copy_mode = CopyMode::None(None);
         }