Add optional view argument to Window.run() and arcade.run()

arcade/application.py

@@ -402,7 +402,7 @@ def rect(self) -> Rect:
         """Return a Rect describing the size of the window."""
         return LBWH(0, 0, self.width, self.height)
 
-    def run(self) -> None:
+    def run(self, view=None) -> None:
         """
         Run the event loop.
 
@@ -411,7 +411,7 @@ def run(self) -> None:
         function starting pyglet's event loop meaning it will start to dispatch
         events such as ``on_draw`` and ``on_update``.
         """
-        arcade.run()
+        arcade.run(view=view)
 
     def close(self) -> None:
         """Close the Window."""

arcade/window_commands.py

@@ -97,7 +97,7 @@ def close_window() -> None:
     gc.collect()
 
 
-def run():
+def run(view=None):
     """
     Run the main loop.
 
@@ -108,6 +108,10 @@ def run():
     """
     window = get_window()
 
+    # Show the provided view if specified
+    if view is not None:
+        window.show_view(view)
+
     # Used in some unit test
     if os.environ.get("ARCADE_TEST"):
         window.on_update(1.0 / 60.0)