add support for Circuitpython display auto-configure

Author: RetiredWizard

cpython/playimage.py

@@ -8,6 +8,7 @@
 import bitmaptools
 import displayio
 from os import getenv
+from supervisor import runtime
 try:
     from pydos_ui import Pydos_ui
     from pydos_ui import input
@@ -19,28 +20,32 @@
     type(envVars)
 except:
     envVars = {}
-    
+
+display = None    
 if '_display' in envVars.keys():
     display = envVars['_display']
 elif Pydos_display:
     display = Pydos_ui.display
-elif 'DISPLAY' in dir(board):
+elif bool(getattr(board,'DISPLAY',False)):
     display = board.DISPLAY
+elif bool(getattr(runtime,'display',False)):
+    display = runtime.display
 else:
     try:
-        import matrix
-        display = matrix.envVars['_display']
+        import framebufferio
+        import dotclockframebuffer
     except:
         try:
-            import framebufferio
-            import dotclockframebuffer
+            import adafruit_ili9341
         except:
             try:
-                import adafruit_ili9341
-            except:
-                import framebufferio
+                # import framebufferio
                 import picodvi
+            except:
+                import matrix
+                display = matrix.envVars['_display']
 
+    if display == None:
         displayio.release_displays()
 
         if 'TFT_PINS' in dir(board):

fileview.py

@@ -67,7 +67,7 @@ def absolutePath(argPath,currDir):
         scrWidth = 80
 
     if "_scrollable" in envVars.keys():
-        scrollable = (envVars["_scrollable"] == True)
+        scrollable = (envVars["_scrollable"] == True) or (envVars["_scrollable"] == "True")
     else:
         try:
             scrollable = Pydos_ui.scrollable

lib/pydos_ui.py

@@ -6,6 +6,7 @@
 import select
 if implementation.name.upper() == "CIRCUITPYTHON":
     import board
+    from supervisor import runtime
     try:
         from displayio import CIRCUITPYTHON_TERMINAL as TERM
         from terminalio import FONT
@@ -15,8 +16,15 @@
 class PyDOS_UI:
 
     def __init__(self):
-        if implementation.name.upper() == "CIRCUITPYTHON" and 'DISPLAY' in dir(board):
+        if implementation.name.upper() == "CIRCUITPYTHON":
+            
             self.scrollable = False
+            if bool(getattr(board,'DISPLAY',False)):
+                self.display = board.DISPLAY
+            elif bool(getattr(runtime,'display',False)):
+                self.display = runtime.display
+            else:
+                self.scrollable = True                
         else:
             self.scrollable = True
 
@@ -45,8 +53,8 @@ def get_screensize(self,disp=None):
                 dhigh = disp.height
                 dwide = disp.width
             else:
-                dhigh = board.DISPLAY.height
-                dwide = board.DISPLAY.width
+                dhigh = self.display.height
+                dwide = self.display.width
 
             height = round(dhigh/(FONT.bitmap.height*TERM.scale))-1
             width = round(dwide/((FONT.bitmap.width/95)*TERM.scale))-2