add showing_page_content property getter.

Author: FoamyGuy

adafruit_displayio_layout/layouts/page_layout.py

@@ -188,6 +188,14 @@ def showing_page_name(self):
     def showing_page_name(self, new_name):
         self.show_page(page_name=new_name)
 
+    @property
+    def showing_page_content(self):
+        """
+        The content object for the currently showing page
+        :return Displayable: showing_page_content
+        """
+        return self._page_content_list[self._cur_showing_index]["content"][0]
+
     def next_page(self, loop=True):
         """
         Hide the current page and show the next one in the list by index

examples/displayio_layout_page_layout_advancedtest.py

@@ -95,6 +95,16 @@
 print("showing page name: {}".format(test_page_layout.showing_page_name))
 time.sleep(5)
 
+another_text = Label(
+    terminalio.FONT,
+    text="And another thing!",
+    scale=2,
+    color=0x00FF00,
+    anchor_point=(0, 0),
+    anchored_position=(100, 100),
+)
+test_page_layout.showing_page_content.append(another_text)
+
 print("starting loop")
 while True:
     time.sleep(1)