Larsio_Paint_Music: Add support for Composite HID devices (trackpad)

Fruit_Jam/Larsio_Paint_Music/code.py

@@ -13,6 +13,9 @@
 
 import time
 import gc
+import sys
+import atexit
+import supervisor
 from sound_manager import SoundManager
 from note_manager import NoteManager
 from ui_manager import UIManager
@@ -86,6 +89,23 @@ def run(self):
     gc.collect()
     print("Starting Music Staff Application...")
 
+    def atexit_callback():
+        """
+        re-attach USB devices to kernel if needed.
+        :return:
+        """
+        print("inside atexit callback")
+        if app.ui_manager.input_handler.mouse is not None:
+            mouse = app.ui_manager.input_handler.mouse
+            mouse.release()
+            if mouse.was_attached:
+                # The keyboard buffer seems to have data left over from when it was detached
+                # This clears it before the next process starts
+                while supervisor.runtime.serial_bytes_available:
+                    sys.stdin.read(1)
+
+    atexit.register(atexit_callback)
+
     try:
         app = MusicStaffApp(audio_output=AUDIO_OUTPUT)
         app.run()
@@ -102,3 +122,5 @@ def run(self):
             app.run()
         except Exception as e2:  # pylint: disable=broad-except
             print(f"Fatal error: {e2}")
+
+    supervisor.reload()

Fruit_Jam/Larsio_Paint_Music/input_handler.py

@@ -5,7 +5,7 @@
 # input_handler.py: CircuitPython Music Staff Application component
 """
 
-from adafruit_usb_host_mouse import find_and_init_boot_mouse
+from adafruit_usb_host_mouse import find_and_init_boot_mouse, find_and_init_report_mouse
 
 # pylint: disable=invalid-name,no-member,too-many-instance-attributes,too-many-arguments
 # pylint: disable=too-many-branches,too-many-statements,broad-except
@@ -34,6 +34,9 @@ def __init__(self, screen_width, screen_height, staff_y_start, staff_height):
 
     def find_mouse(self):
         self.mouse = find_and_init_boot_mouse(cursor_image=None)
+        if self.mouse is None:
+            self.mouse = find_and_init_report_mouse(cursor_image=None)
+
         if self.mouse is None:
             print("Failed to find a working mouse after multiple attempts")
             return False

Fruit_Jam/Larsio_Paint_Music/ui_manager.py

@@ -84,6 +84,7 @@ def __init__(self, sound_manager, note_manager):
         self.triangle_cursor = None
         self.tempo_minus_label = None
         self.tempo_plus_label = None
+        self.exit_button_label = None
 
         # Channel setting
         self.current_channel = 0
@@ -124,6 +125,9 @@ def setup_display(self):
         # Create tempo display
         self._create_tempo_display()
 
+        # Add Exit button
+        self._create_exit_button()
+
         # Create highlight
         self.highlight_grid = self.staff_view.create_highlight()
         self.main_group.append(self.highlight_grid)
@@ -206,6 +210,21 @@ def _create_note_name_label(self):
         self.note_name_label.anchored_position = (10, self.SCREEN_HEIGHT - 70)
         self.main_group.append(self.note_name_label)
 
+    def _create_exit_button(self):
+        """Create a lable to be used as an "Exit" button"""
+        gc.collect()
+
+        self.exit_button_label = Label(
+            terminalio.FONT,
+            text="Exit",
+            color=0xFFFFFF,
+            background_color=0xFF0000,
+            scale=1
+        )        
+        self.exit_button_label.anchor_point = (0.5, 0.5)
+        self.exit_button_label.anchored_position = (self.SCREEN_WIDTH - 135, 10)
+        self.main_group.append(self.exit_button_label)
+
     def _create_tempo_display(self):
         """Create a label for the tempo display with + and - buttons"""
         gc.collect()  # Force garbage collection before creating the label
@@ -496,17 +515,26 @@ def handle_mouse_buttons(self):
             # Check for tempo button clicks
             minus_button_x, minus_button_y = self.tempo_minus_label.anchored_position
             plus_button_x, plus_button_y = self.tempo_plus_label.anchored_position
+            exit_button_x, exit_button_y = self.exit_button_label.anchored_position
             button_radius = 8  # Allow a bit of space around the button for easier clicking
 
+            # Radius 16**2 = 256, but squared to a y < 16
+            if (
+                ((mouse_x - exit_button_x)**2 + (mouse_y - exit_button_y)**2) < 256 and
+                mouse_y < 16):
+
+                # Clicked Exit button
+                return False
+
             if ((mouse_x - minus_button_x)**2 + (mouse_y - minus_button_y)**2) < button_radius**2:
                 # Clicked minus button - decrease tempo
                 self.adjust_tempo(-1)
-                return
+                return True
 
             if ((mouse_x - plus_button_x)**2 + (mouse_y - plus_button_y)**2) < button_radius**2:
                 # Clicked plus button - increase tempo
                 self.adjust_tempo(1)
-                return
+                return True
 
             # Check if a channel button was clicked
             channel_clicked = False
@@ -565,6 +593,8 @@ def handle_mouse_buttons(self):
             )
             self.note_name_label.text = message
 
+        return True
+
     def _add_note_based_on_channel(self, x, y):
         """Add a note based on the current channel"""
         if self.current_channel == 0:
@@ -641,4 +671,5 @@ def main_loop(self):
                 self.handle_mouse_position()
 
                 # Handle mouse button presses
-                self.handle_mouse_buttons()
+                if not self.handle_mouse_buttons():
+                    break