Open a menu with the mouse

squirrelbattle/display/display.py

@@ -86,6 +86,13 @@ class Display:
     def display(self) -> None:
         raise NotImplementedError
 
+    def handle_click(self, y: int, x: int) -> None:
+        """
+        A mouse click was performed on the coordinates (y, x) of the pad.
+        Maybe it can do something.
+        """
+        pass
+
     @property
     def rows(self) -> int:
         return curses.LINES if self.screen else 42

squirrelbattle/display/display_manager.py

@@ -64,7 +64,8 @@ class DisplayManager:
                 # The click coordinates correspond to the coordinates
                 # of that display
                 display = d
-        raise Exception(f"click at ({y}, {x})", display)
+        if display:
+            display.handle_click(y - display.y, x - display.x)
 
     def refresh(self) -> List[Display]:
         displays = []

squirrelbattle/display/menudisplay.py

@@ -41,6 +41,13 @@ class MenuDisplay(Display):
                          self.height - 2 + self.y,
                          self.width - 2 + self.x)
 
+    def handle_click(self, y: int, x: int) -> None:
+        """
+        We can select a menu item with the mouse.
+        """
+        self.menu.position = y - 1
+        curses.ungetch('\n')
+
     @property
     def truewidth(self) -> int:
         return max([len(str(a)) for a in self.values])
@@ -99,6 +106,14 @@ class MainMenuDisplay(Display):
             menuy, menux, min(self.menudisplay.preferred_height,
                               self.height - menuy), menuwidth)
 
+    def handle_click(self, y: int, x: int) -> None:
+        menuwidth = min(self.menudisplay.preferred_width, self.width)
+        menuy, menux = len(self.title) + 8, self.width // 2 - menuwidth // 2 - 1
+        menuheight = min(self.menudisplay.preferred_height, self.height - menuy)
+
+        if menuy <= y < menuy + menuheight and menux <= x < menux + menuwidth:
+            self.menudisplay.handle_click(y - menuy, x - menux)
+
 
 class InventoryDisplay(MenuDisplay):
     def update_pad(self) -> None: