Add simple menu with keybindings

cli/key_menu.py

@@ -0,0 +1,56 @@
+from prompt_toolkit.key_binding import KeyBindings, merge_key_bindings
+from prompt_toolkit.key_binding.bindings.basic import load_basic_bindings
+from prompt_toolkit.shortcuts import prompt, PromptSession
+from rich.table import Table
+from rich.console import Console
+
+keybindings = load_basic_bindings()
+
+@keybindings.add('c-q')
+def exit_(event):
+    """ Pressing 'c-q' will exit the application. """
+    exit(0)
+
+@keybindings.add('c-m')
+def open_menu(event):
+    """ Pressing 'c-m' will open the menu. """
+    show_keybindings_menu()
+    event.app.exit()
+
+@keybindings.add('enter')
+def process_input(event):
+    """ Pressing 'enter' will process the input. """
+    print(dir(event))
+    event.app.exit(result=event.current_buffer.text)
+
+bindings_info = [
+    {"Key": "Ctrl-Q", "Action": "Exit the application"},
+    {"Key": "Ctrl-M", "Action": "Open the menu"},
+]
+
+console = Console()
+
+
+def show_keybindings_menu():
+    table = Table(title="Keybindings")
+
+    table.add_column("Key", justify="right", style="cyan", no_wrap=True)
+    table.add_column("Action", style="magenta")
+
+    for binding in bindings_info:
+        table.add_row(binding["Key"], binding["Action"])
+
+    console.print(table)
+
+
+def main_menu():
+    session = PromptSession("> ", key_bindings=keybindings)
+    while True:
+        show_keybindings_menu()
+
+        user_input = session.prompt()
+        console.print(f"You entered: {user_input}")
+
+
+if __name__ == "__main__":
+    main_menu()