update tests: new scene API

tests/demo/demo_main.py

@@ -65,8 +65,8 @@ class DemoRunner:
 
     def create_menu(self):
         """Create the main menu screen."""
-        mcrfpy.createScene("menu")
-        ui = mcrfpy.sceneUI("menu")
+        menu = mcrfpy.Scene("menu")
+        ui = menu.children
 
         # Title
         title = mcrfpy.Caption(text="McRogueFace Demo", pos=(400, 30))
@@ -122,7 +122,7 @@ class DemoRunner:
                     sys.exit(0)
                     return
                 screen = self.screens[self.current_index]
-                mcrfpy.setScene(screen.scene_name)
+                mcrfpy.current_scene = screen
                 self.render_wait = 1
             elif self.render_wait < 2:
                 # Wait additional frame
@@ -157,23 +157,23 @@ class DemoRunner:
 
             # ESC returns to menu
             elif key == "Escape":
-                mcrfpy.setScene("menu")
+                menu.activate()
 
             # Q quits
             elif key == "Q":
                 sys.exit(0)
 
         # Register keyboard handler on menu scene
-        mcrfpy.setScene("menu")
-        mcrfpy.keypressScene(handle_key)
+        menu.activate()
+        menu.on_key = handle_key
 
         # Also register keyboard handler on all demo scenes
         for screen in self.screens:
-            mcrfpy.setScene(screen.scene_name)
-            mcrfpy.keypressScene(handle_key)
+            mcrfpy.current_scene = screen
+            menu.on_key = handle_key
 
         # Start on menu
-        mcrfpy.setScene("menu")
+        menu.activate()
 
 def main():
     """Main entry point."""

tests/demo/perspective_patrol_demo.py

@@ -37,10 +37,10 @@ def setup_scene():
     """Create the demo scene"""
     global g_grid, g_patrol, g_fov_layer
 
-    mcrfpy.createScene("patrol_demo")
-    mcrfpy.setScene("patrol_demo")
+    patrol_demo = mcrfpy.Scene("patrol_demo")
+    patrol_demo.activate()
 
-    ui = mcrfpy.sceneUI("patrol_demo")
+    ui = patrol_demo.children
 
     # Title
     title = mcrfpy.Caption(text="Perspective Patrol Demo", pos=(10, 10))
@@ -123,7 +123,7 @@ def setup_scene():
     ui.append(status)
 
     # Set up keyboard handler
-    mcrfpy.keypressScene(on_keypress)
+    patrol_demo.on_key = on_keypress
 
     # Start patrol timer
     mcrfpy.setTimer("patrol", patrol_step, move_timer_ms)
@@ -173,7 +173,7 @@ def on_keypress(key, state):
         else:
             update_status("Status: Patrolling")
     elif key == "Q":
-        mcrfpy.setScene(None)
+        mcrfpy.current_scene = None
 
 def reset_vision():
     """Reset entity's discovered state to demonstrate unknown vs discovered"""
@@ -194,7 +194,7 @@ def reset_vision():
 
 def update_status(text):
     """Update status caption"""
-    ui = mcrfpy.sceneUI("patrol_demo")
+    ui = patrol_demo.children
     for element in ui:
         if hasattr(element, 'name') and element.name == "status":
             element.text = text

tests/demo/screens/base.py

@@ -9,7 +9,7 @@ class DemoScreen:
 
     def __init__(self, scene_name):
         self.scene_name = scene_name
-        mcrfpy.createScene(scene_name)
+        _scene = mcrfpy.Scene(scene_name)
         self.ui = mcrfpy.sceneUI(scene_name)
 
     def setup(self):

tests/demo/screens/focus_system_demo.py

@@ -600,8 +600,8 @@ def create_demo_scene():
     """Create and populate the focus system demo scene."""
 
     # Create scene
-    mcrfpy.createScene("focus_demo")
-    ui = mcrfpy.sceneUI("focus_demo")
+    focus_demo = mcrfpy.Scene("focus_demo")
+    ui = focus_demo.children
 
     # Background
     bg = mcrfpy.Frame(
@@ -752,10 +752,10 @@ def create_demo_scene():
             status_text.text = "No widget focused"
 
     # Activate scene first (keypressScene sets handler for CURRENT scene)
-    mcrfpy.setScene("focus_demo")
+    focus_demo.activate()
 
     # Register key handler for the now-current scene
-    mcrfpy.keypressScene(on_key)
+    focus_demo.on_key = on_key
 
     # Set initial focus
     focus_mgr.focus(0)