Update begin_transaction

[hackapet/Adafruit_Blinka_Displayio.git] / displayio / _displaycore.py

diff --git a/displayio/_displaycore.py b/displayio/_displaycore.py
index d2f298a07a992fd8f232823e39285da901c9c4b9..57e8dd604119240e9242f0b9ac7160106f7ccab3 100644 (file)
--- a/displayio/_displaycore.py
+++ b/displayio/_displaycore.py
@@ -24,7 +24,7 @@ __repo__ = "https://github.com/adafruit/Adafruit_Blinka_Displayio.git"
 
 import time
 import struct
-import circuitpython_typing
+from circuitpython_typing import WriteableBuffer, ReadableBuffer
 from paralleldisplay import ParallelBus
 from ._fourwire import FourWire
 from ._group import Group
@@ -178,25 +178,14 @@ class _DisplayCore:
         if self.current_group is not None:
             self.current_group._update_transform(self.transform)
 
-    def show(self, root_group: Group) -> bool:
-        # pylint: disable=protected-access
-
+    def set_root_group(self, root_group: Group) -> bool:
         """
         Switches to displaying the given group of layers. When group is `None`, the
         default CircuitPython terminal will be shown.
 
         :param Optional[displayio.Group] root_group: The group to show.
         """
-
-        """
-        # TODO: Implement Supervisor
-        if root_group is None:
-            circuitpython_splash = _Supervisor().circuitpython_splash
-            if not circuitpython_splash._in_group:
-                root_group = circuitpython_splash
-            elif self.current_group == circuitpython_splash:
-                return True
-        """
+        # pylint: disable=protected-access
 
         if root_group == self.current_group:
             return True
@@ -248,8 +237,8 @@ class _DisplayCore:
     def fill_area(
         self,
         area: Area,
-        mask: circuitpython_typing.WriteableBuffer,
-        buffer: circuitpython_typing.WriteableBuffer,
+        mask: WriteableBuffer,
+        buffer: WriteableBuffer,
     ) -> bool:
         """Call the current group's fill area function"""
         if self.current_group is not None:
@@ -265,7 +254,8 @@ class _DisplayCore:
         if not overlaps:
             return False
 
-        # Expand the area if we have multiple pixels per byte and we need to byte align the bounds
+        # Expand the area if we have multiple pixels per byte and we need to byte
+        # align the bounds
         if self.colorspace.depth < 8:
             pixels_per_byte = (
                 8 // self.colorspace.depth * self.colorspace.bytes_per_cell
@@ -400,19 +390,18 @@ class _DisplayCore:
         self,
         data_type: int,
         chip_select: int,
-        data: circuitpython_typing.ReadableBuffer,
+        data: ReadableBuffer,
     ) -> None:
         """
         Send the data to the current bus
         """
-        print(data_type, chip_select, data)
         self._send(data_type, chip_select, data)
 
-    def begin_transaction(self) -> None:
+    def begin_transaction(self) -> bool:
         """
         Begin Bus Transaction
         """
-        self._begin_transaction()
+        return self._begin_transaction()
 
     def end_transaction(self) -> None:
         """