initial commit, display with commands working

Pico_ePaper_Code/pythonNanoGui/gui/widgets/led.py

@@ -0,0 +1,28 @@
+# led.py LED class for nano-gui
+
+# Released under the MIT License (MIT). See LICENSE.
+# Copyright (c) 2018-2020 Peter Hinch
+
+from gui.core.nanogui import DObject, fillcircle, circle
+from gui.widgets.label import Label
+
+class LED(DObject):
+    def __init__(self, writer, row, col, *, height=12,
+                 fgcolor=None, bgcolor=None, bdcolor=None, label=None):
+        super().__init__(writer, row, col, height, height, fgcolor, bgcolor, bdcolor)
+        if label is not None:
+            self.label = Label(writer, row + height + 3, col, label)
+        self.radius = self.height // 2
+
+    def color(self, c=None):
+        self.fgcolor = self.bgcolor if c is None else c
+        self.show()
+
+    def show(self):
+        super().show()
+        wri = self.writer
+        dev = self.device
+        r = self.radius
+        fillcircle(dev, self.col + r, self.row + r, r, self.fgcolor)
+        if isinstance(self.bdcolor, int):
+            circle(dev, self.col + r, self.row + r, r, self.bdcolor)