initial commit

pqcli/ui/exit_view.py

@@ -0,0 +1,34 @@
+import typing as T
+
+import urwid
+
+from pqcli.game_state import Roster
+
+
+class ExitView(urwid.Overlay):
+    def __init__(
+        self, parent: urwid.Widget, on_exit: T.Callable, on_cancel: T.Callable
+    ) -> None:
+        self.on_exit = on_exit
+        self.on_cancel = on_cancel
+
+        question = urwid.Text(("bold", "Really quit?"), "center")
+        yes_btn = urwid.Button("Yes", lambda _user_data: self.on_exit())
+        no_btn = urwid.Button("No", lambda _user_data: self.on_cancel())
+
+        line_box = urwid.LineBox(
+            urwid.ListBox(
+                urwid.SimpleFocusListWalker([question, no_btn, yes_btn])
+            )
+        )
+
+        super().__init__(line_box, parent, "center", 20, "middle", 5)
+
+    def keypress(self, size: T.Any, key: str) -> bool:
+        if key in {"y", "Y"}:
+            self.on_exit()
+            return True
+        if key in {"n", "N"}:
+            self.on_cancel()
+            return True
+        return super().keypress(size, key)