Width and height are managed dynamically: we can almost freely resize the window

dungeonbattle/display/display.py

@@ -7,11 +7,37 @@ from dungeonbattle.tests.screen import FakePad
 class Display:
     def __init__(self, screen: Any):
         self.screen = screen
-        self.rows = curses.LINES if screen else 42
-        self.cols = curses.COLS * 4 // 5 if screen else 42
 
     def refresh(self) -> None:
         raise NotImplementedError
 
     def newpad(self, height: int, width: int) -> Union[FakePad, Any]:
         return curses.newpad(height, width) if self.screen else FakePad()
+
+    def ensure_resized(self, *pads) -> bool:
+        """
+        If the window got resized, ensure that the pads are also resized.
+        """
+        y, x = self.screen.getmaxyx() if self.screen else (0, 0)
+        for pad in pads:
+            pad.resize(y, x)
+        if self.screen and curses.is_term_resized(self.rows, self.cols):
+            curses.resizeterm(y, x)
+            return True
+        return False
+
+    @property
+    def rows(self) -> int:
+        return curses.LINES if self.screen else 42
+
+    @property
+    def height(self) -> int:
+        return self.rows
+
+    @property
+    def cols(self) -> int:
+        return curses.COLS if self.screen else 42
+
+    @property
+    def width(self) -> int:
+        return self.cols