ability to copy wallet address added

Signed-off-by: Uncle Stretch <uncle.stretch@ghostchain.io>

src/components/wallet/accounts.rs

@@ -1,6 +1,7 @@
 use std::path::PathBuf;
 use std::fs::File;
 use std::io::{Write, BufRead, BufReader};
+use std::process::Command;
 
 use color_eyre::Result;
 use crossterm::event::{KeyCode, KeyEvent};
@@ -113,6 +114,31 @@ impl Accounts {
         }
     }
 
+    fn copy_to_clipboard(&mut self) {
+        if let Some(index) = self.table_state.selected() {
+            let address = self.wallet_keys[index].address.clone();
+            match Command::new("xclip")
+                .arg("-selection")
+                .arg("clipboard")
+                .stdin(std::process::Stdio::piped())
+                .spawn()
+                .and_then(|child| Ok(child
+                        .stdin
+                        .and_then(|mut cs| cs
+                            .write_all(address.as_bytes())
+                            .ok())
+                ))
+            {
+                Ok(Some(())) => self.log_event(
+                    format!("address {} copied to clipboard", &address), 
+                    ActionLevel::Warn),
+                _ => self.log_event(
+                    "could not use `xclip` to copy".to_string(), 
+                    ActionLevel::Error),
+            }
+        }
+    }
+
     fn create_new_account(&mut self, name: String) {
         let (pair, seed) = Pair::generate();
         let secret_seed = hex::encode(seed);
@@ -402,17 +428,20 @@ impl Component for Accounts {
     }
 
     fn handle_key_event(&mut self, key: KeyEvent) -> Result<Option<Action>> {
+        if self.is_active {
             match key.code {
-           KeyCode::Up | KeyCode::Char('k') if self.is_active => self.previous_row(), 
-           KeyCode::Down | KeyCode::Char('j') if self.is_active => self.next_row(), 
-           KeyCode::Char('K') if self.is_active => self.swap_up(),
-           KeyCode::Char('J') if self.is_active => self.swap_down(),
-           KeyCode::Char('g') if self.is_active => self.first_row(),
-           KeyCode::Char('G') if self.is_active => self.last_row(),
-           KeyCode::Char('D') if self.is_active => self.delete_row(),
-           KeyCode::Char('R') if self.is_active => self.update_account_name(),
+                KeyCode::Up | KeyCode::Char('k') => self.previous_row(), 
+                KeyCode::Down | KeyCode::Char('j') => self.next_row(), 
+                KeyCode::Char('K') => self.swap_up(),
+                KeyCode::Char('J') => self.swap_down(),
+                KeyCode::Char('g') => self.first_row(),
+                KeyCode::Char('G') => self.last_row(),
+                KeyCode::Char('D') => self.delete_row(),
+                KeyCode::Char('R') => self.update_account_name(),
+                KeyCode::Char('Y') => self.copy_to_clipboard(),
                 _ => {},
             };
+        }
         Ok(None)
     }