initial app helpers completed - moving to make the default apps next.

python_apps/numpad.py

@@ -0,0 +1,85 @@
+import terminalio
+from adafruit_display_text.bitmap_label import Label
+
+from adafruit_display_text.scrolling_label import ScrollingLabel
+from adafruit_displayio_layout.layouts.grid_layout import GridLayout
+from rainbowio import colorwheel
+
+from macropad_os import App
+from macropad_os.app_utils import rgb_from_int
+
+
+labels = [
+    "7", "8", "9",
+    "4", "5", "6",
+    "1", "2", "3",
+    "0", ".", "SHIFT"
+]
+
+modified_labels = [
+    "<", ">", "&",
+    "(", ")", "%",
+    "/", "+", "-",
+    "*", "=", "SHIFT"
+]
+
+
+class NumpadApp(App):
+
+    def __init__(self, macropad, config):
+        super().__init__(macropad, config)
+        self.name = "Numpad"
+        self.wheel_offset = 0
+        self.lit_keys = [False] * 12
+        self.labels = []
+        self.title = "Numpad"
+        self.modifier_pressed = False
+
+    def on_start(self):
+        print("on start from the app!")
+        self.set_layout(GridLayout(x=0, y=9, width=128, height=54, grid_size=(3, 4), cell_padding=1))
+        self.set_title(self.title)
+        self.lit_keys = [True] * 12
+        for i in range(12):
+            self.labels.append(Label(terminalio.FONT, text=labels[i]))
+        for index in range(12):
+            x = index % 3
+            y = index // 3
+            self._layout.add_content(self.labels[index], grid_position=(x, y), cell_size=(1, 1))
+        self.register_on_key_pressed(self.process_keys_pressed_callback)
+        self.register_on_key_released(self.process_keys_released_callback)
+        self.register_on_encoder_changed(self.process_enbcoder_changed)
+
+    def on_resume(self):
+        print("resume from the debug app!")
+
+    def on_pause(self):
+        print("Pausing")
+
+    def on_stop(self):
+        print("Stopping")
+
+    def on_loop(self):
+        self.update_key_colors()
+
+    def update_key_colors(self):
+        self.wheel_offset += 1
+        colors = []
+        for pixel in range(12):
+            if self.lit_keys[pixel]:
+                (r, g, b) = rgb_from_int(colorwheel((pixel / 12 * 256) + self.wheel_offset))
+                colors.append((r, g, b))
+            else:
+                colors.append((0, 0, 0))
+        self.set_colors(colors)
+
+    def process_keys_pressed_callback(self, keyevent):
+        print("PROCESS KEYS CALLBACK FROM DEBUG")
+        print(keyevent)
+
+    def process_keys_released_callback(self, keyevent):
+        print("PROCESS KEYS RELEASED CALLBACK FROM DEBUG")
+        print(keyevent)
+    def process_enbcoder_changed(self, keyevent):
+        print("PROCESS Encoder Changed Callback FROM DEBUG")
+        print(keyevent)