refactor: future-proof ui components in ui.py

auditui/ui.py

@@ -0,0 +1,33 @@
+"""UI components for the Auditui application."""
+
+from textual.app import ComposeResult
+from textual.containers import Container, Horizontal, ScrollableContainer
+from textual.screen import ModalScreen
+from textual.widgets import Static
+
+
+class HelpScreen(ModalScreen):
+    """Help screen displaying all available keybindings."""
+
+    BINDINGS = [("escape", "dismiss", "Close"), ("?", "dismiss", "Close")]
+
+    def compose(self) -> ComposeResult:
+        with Container(id="help_container"):
+            yield Static("Key Bindings", id="help_title")
+            with ScrollableContainer(id="help_content"):
+                bindings = self.app.BINDINGS
+                for binding in bindings:
+                    if isinstance(binding, tuple):
+                        key, action, description = binding
+                    else:
+                        key = binding.key
+                        description = binding.description
+                    key_display = key.replace(
+                        "ctrl+", "^").replace("left", "←").replace("right", "→").replace("space", "Space").replace("enter", "Enter")
+                    with Horizontal(classes="help_row"):
+                        yield Static(f"[bold #f9e2af]{key_display}[/]", classes="help_key")
+                        yield Static(description, classes="help_action")
+            yield Static("Press [bold #f9e2af]?[/] or [bold #f9e2af]Escape[/] to close", id="help_footer")
+
+    def action_dismiss(self) -> None:
+        self.dismiss()