add Key::Copy, Key::Cut, Key::Paste support

README.md

@@ -252,9 +252,9 @@ Default key mappings are as follows:
 | `Alt+D`, `Alt+Delete`                        | Delete one word next to cursor            |
 | `Ctrl+U`                                     | Undo                                      |
 | `Ctrl+R`                                     | Redo                                      |
-| `Ctrl+C`                                     | Copy selected text                        |
+| `Ctrl+C`, `Copy`                             | Copy selected text                        |
-| `Ctrl+X`                                     | Cut selected text                         |
+| `Ctrl+X`, `Cut`                              | Cut selected text                         |
-| `Ctrl+Y`                                     | Paste yanked text                         |
+| `Ctrl+Y`, `Paste`                            | Paste yanked text                         |
 | `Ctrl+F`, `→`                                | Move cursor forward by one character      |
 | `Ctrl+B`, `←`                                | Move cursor backward by one character     |
 | `Ctrl+P`, `↑`                                | Move cursor up by one line                |

src/input/mod.rs

@@ -45,6 +45,12 @@ pub enum Key {
     PageDown,
     /// Escape key
     Esc,
+    /// Copy key. This key is supported by termwiz only
+    Copy,
+    /// Cut key. This key is supported by termwiz only
+    Cut,
+    /// Paste key. This key is supported by termwiz only
+    Paste,
     /// Virtual key to scroll down by mouse
     MouseScrollDown,
     /// Virtual key to scroll up by mouse

src/input/termwiz.rs

@@ -34,6 +34,9 @@ impl From<KeyCode> for Key {
             KeyCode::DownArrow => Key::Down,
             KeyCode::Delete => Key::Delete,
             KeyCode::Function(x) => Key::F(x),
+            KeyCode::Copy => Key::Copy,
+            KeyCode::Cut => Key::Cut,
+            KeyCode::Paste => Key::Paste,
             _ => Key::Null,
         }
     }

src/textarea.rs

@@ -558,19 +558,24 @@ impl<'a> TextArea<'a> {
                 ctrl: true,
                 alt: false,
                 ..
+            }
+            | Input {
+                key: Key::Paste, ..
             } => self.paste(),
             Input {
                 key: Key::Char('x'),
                 ctrl: true,
                 alt: false,
                 ..
-            } => self.cut(),
+            }
+            | Input { key: Key::Cut, .. } => self.cut(),
             Input {
                 key: Key::Char('c'),
                 ctrl: true,
                 alt: false,
                 ..
-            } => {
+            }
+            | Input { key: Key::Copy, .. } => {
                 self.copy();
                 false
             }

tests/input.rs

@@ -47,6 +47,9 @@ fn test_input_all_combinations_sanity() {
         Esc,
         MouseScrollDown,
         MouseScrollUp,
+        Copy,
+        Cut,
+        Paste,
     ] {
         push_all_modifiers_combination(&mut inputs, k);
     }