edit: Add line deletion shortcut

src/tui.rs

@@ -191,6 +191,19 @@ impl Editor {
         }
     }
 
+    fn delete_line(&mut self) {
+        let (r, _) = self.cursor;
+        if self.buffer.len() == 1 {
+            self.buffer[0].clear();
+            self.cursor = (0, 0);
+        } else {
+            self.buffer.remove(r);
+            let new_r = r.min(self.buffer.len() - 1);
+            let new_col = self.cursor.1.min(self.buffer[new_r].len());
+            self.cursor = (new_r, new_col);
+        }
+    }
+
     fn newline(&mut self) {
         let (r, col) = self.cursor;
         let col = col.min(self.buffer[r].len());
@@ -488,6 +501,7 @@ fn step(
     // Editor focus inside Game: dispatch editing keys.
     if *focus == Focus::Editor && matches!(screen, Screen::Game) {
         match key.code {
+            KeyCode::Char('k') if ctrl => editor.delete_line(),
             KeyCode::Char(c) if !ctrl => editor.insert_char(c),
             KeyCode::Backspace => editor.backspace(),
             KeyCode::Delete => editor.delete(),
@@ -707,6 +721,7 @@ fn help_widget<'a>() -> Paragraph<'a> {
         \n\
         [Tab]            swap focus between log and editor\n\
         [Ctrl-X]         grade your YAML\n\
+        [Ctrl-K]         delete current line (in editor)\n\
         [Ctrl-H]         open this help\n\
         [Esc]            close help · or focus log when editing\n\
         [↑/↓]            scroll the log  (when log is focused)\n\