Added the ability to close a tunnel from the tui

src/handler.rs

@@ -1,4 +1,4 @@
-use std::{io::Write, iter::once};
+use std::{cmp::min, io::Write, iter::once};
 
 use clap::Parser as _;
 use ratatui::{Terminal, TerminalOptions, Viewport, layout::Rect, prelude::CrosstermBackend};
@@ -116,6 +116,25 @@ impl Handler {
                     warn!("User not set");
                 }
             }
+            Input::Delete => {
+                let Some(selected) = self.selected else {
+                    return Ok(false);
+                };
+
+                if selected >= self.tunnels.len() {
+                    warn!("Trying to delete tunnel out of bounds");
+                    return Ok(false);
+                }
+
+                let tunnel = self.tunnels.remove(selected);
+                self.all_tunnels.remove_tunnel(tunnel).await;
+
+                if self.tunnels.is_empty() {
+                    self.selected = None;
+                } else {
+                    self.selected = Some(min(self.tunnels.len() - 1, selected));
+                }
+            }
             Input::CtrlP => {
                 self.set_access_selection(TunnelAccess::Protected).await;
             }
@@ -321,7 +340,9 @@ impl Drop for Handler {
         let mut all_tunnels = self.all_tunnels.clone();
 
         tokio::spawn(async move {
-            all_tunnels.remove_tunnels(&tunnels).await;
+            for tunnel in tunnels {
+                all_tunnels.remove_tunnel(tunnel).await;
+            }
         });
     }
 }

src/input.rs

@@ -5,6 +5,7 @@ pub enum Input {
     Char(char),
     Up,
     Down,
+    Delete,
     Esc,
     Enter,
     CtrlP,
@@ -18,6 +19,7 @@ impl From<&[u8]> for Input {
             [27] => Input::Esc,
             [27, 91, 65] => Input::Up,
             [27, 91, 66] => Input::Down,
+            [27, 91, 51, 126] => Input::Delete,
             [13] => Input::Enter,
             // NOTE: Actual char is DLE, this happens to map to ctrl-p
             [16] => Input::CtrlP,

src/tui.rs

@@ -42,6 +42,7 @@ impl Renderer {
                 command("esc", "deselect"),
                 command("↓/j", "move down"),
                 command("↑/k", "move up"),
+                command("del", "close tunnel"),
                 vec![],
                 command("p", "make private"),
                 command("ctrl-p", "make protected"),

src/tunnel.rs

@@ -130,15 +130,13 @@ impl Tunnels {
         tunnel
     }
 
-    pub async fn remove_tunnels(&mut self, tunnels: &[Tunnel]) {
+    pub async fn remove_tunnel(&mut self, tunnel: Tunnel) {
         let mut all_tunnels = self.tunnels.write().await;
-        for tunnel in tunnels {
         if let Some(address) = tunnel.get_address() {
             trace!(tunnel.name, "Removing tunnel");
             all_tunnels.remove(&address);
         }
     }
-    }
 }
 
 impl Service<Request<Incoming>> for Tunnels {