Issue #22065: Menus, unlike Menubottons, do not have a state option.

terryjreedy · terryjreedy · commit 8450c5331548 · 2014-08-27T01:43:50.000-04:00
Since a new demo can now be loaded while one is running,
adjust loadfile to do the same cleanup as stopIt.
diff --git a/Lib/turtledemo/__main__.py b/Lib/turtledemo/__main__.py
@@ -260,12 +260,13 @@ def show(help_label=help_label, help_file=help_file):
         return menu
 
     def refreshCanvas(self):
-        if not self.dirty: return
-        self.screen.clear()
-        self.dirty=False
+        if self.dirty:
+            self.screen.clear()
+            self.dirty=False
 
     def loadfile(self, filename):
-        self.refreshCanvas()
+        self.clearCanvas()
+        turtle.TurtleScreen._RUNNING = False
         modname = 'turtledemo.' + filename
         __import__(modname)
         self.module = sys.modules[modname]
@@ -318,9 +319,7 @@ def stopIt(self):
             self.exitflag = False
             self.configGUI(NORMAL, NORMAL, DISABLED, DISABLED,
                            "STOPPED!", "red")
-            turtle.TurtleScreen._RUNNING = False
-        else:
-            turtle.TurtleScreen._RUNNING = False
+        turtle.TurtleScreen._RUNNING = False
 
     def _destroy(self):
         self.root.destroy()
diff --git a/Lib/turtledemo/nim.py b/Lib/turtledemo/nim.py
@@ -219,7 +219,7 @@ def main():
     mainscreen.mode("standard")
     mainscreen.setup(SCREENWIDTH, SCREENHEIGHT)
     nim = Nim(mainscreen)
-    return "EVENTLOOP!"
+    return "EVENTLOOP"
 
 if __name__ == "__main__":
     main()
