1  import time
  2  import board
  3  import displayio
  4  from adafruit_button import Button
  5  from adafruit_cursorcontrol.cursorcontrol import Cursor
  6  from adafruit_cursorcontrol.cursorcontrol_cursormanager import CursorManager
  7  from adafruit_display_text import label
  8  import terminalio
  9  
 10  # Create the display
 11  display = board.DISPLAY
 12  
 13  # Create the display context
 14  splash = displayio.Group(max_size=22)
 15  
 16  # Use the built-in system font
 17  font = terminalio.FONT
 18  
 19  ##########################################################################
 20  # Make a background color fill
 21  
 22  color_bitmap = displayio.Bitmap(display.width, display.height, 1)
 23  color_palette = displayio.Palette(1)
 24  color_palette[0] = 0x404040
 25  bg_sprite = displayio.TileGrid(color_bitmap, pixel_shader=color_palette, x=0, y=0)
 26  splash.append(bg_sprite)
 27  
 28  ##########################################################################
 29  
 30  # Set up button/label properties
 31  BUTTON_WIDTH = 80
 32  BUTTON_HEIGHT = 40
 33  BUTTON_MARGIN = 20
 34  LBL_HEADER = [100, 20]
 35  LBL_TEXT = [120, 40]
 36  
 37  # Resize buttons for small display (PyGamer)
 38  if display.width < 240:
 39      BUTTON_WIDTH = int(BUTTON_WIDTH / 2)
 40      BUTTON_HEIGHT = int(BUTTON_HEIGHT / 2)
 41      BUTTON_MARGIN = int(BUTTON_MARGIN / 2)
 42      LBL_HEADER[0] -= 75
 43      LBL_HEADER[1] -= 10
 44      LBL_TEXT[0] -= 70
 45      LBL_TEXT[1] += 55
 46  
 47  # Create the buttons
 48  buttons = []
 49  
 50  button_speed_inc = Button(
 51      x=BUTTON_MARGIN,
 52      y=BUTTON_MARGIN + BUTTON_HEIGHT,
 53      width=BUTTON_WIDTH,
 54      height=BUTTON_HEIGHT,
 55      label="Speed+",
 56      label_font=font,
 57  )
 58  buttons.append(button_speed_inc)
 59  
 60  button_speed_dec = Button(
 61      x=BUTTON_MARGIN,
 62      y=BUTTON_MARGIN * 4 + BUTTON_HEIGHT,
 63      width=BUTTON_WIDTH,
 64      height=BUTTON_HEIGHT,
 65      label="Speed-",
 66      label_font=font,
 67  )
 68  buttons.append(button_speed_dec)
 69  
 70  button_scale_pos = Button(
 71      x=BUTTON_MARGIN * 3 + 2 * BUTTON_WIDTH,
 72      y=BUTTON_MARGIN + BUTTON_HEIGHT,
 73      width=BUTTON_WIDTH,
 74      height=BUTTON_HEIGHT,
 75      label="Scale+",
 76      label_font=font,
 77      style=Button.SHADOWRECT,
 78  )
 79  buttons.append(button_scale_pos)
 80  
 81  button_scale_neg = Button(
 82      x=BUTTON_MARGIN * 3 + 2 * BUTTON_WIDTH,
 83      y=BUTTON_MARGIN * 4 + BUTTON_HEIGHT,
 84      width=BUTTON_WIDTH,
 85      height=BUTTON_HEIGHT,
 86      label="Scale-",
 87      label_font=font,
 88      style=Button.SHADOWRECT,
 89  )
 90  buttons.append(button_scale_neg)
 91  
 92  # Show the button
 93  for b in buttons:
 94      splash.append(b.group)
 95  
 96  # Create a text label
 97  text_label = label.Label(
 98      font, text="CircuitPython Cursor!", color=0x00FF00, x=LBL_HEADER[0], y=LBL_HEADER[1]
 99  )
100  splash.append(text_label)
101  
102  text_speed = label.Label(
103      font, max_glyphs=15, color=0x00FF00, x=LBL_TEXT[0], y=LBL_TEXT[1]
104  )
105  splash.append(text_speed)
106  
107  text_scale = label.Label(
108      font, max_glyphs=15, color=0x00FF00, x=LBL_TEXT[0], y=LBL_TEXT[1] + 20
109  )
110  splash.append(text_scale)
111  
112  # initialize the mouse cursor object
113  mouse_cursor = Cursor(display, display_group=splash)
114  
115  # initialize the cursormanager
116  cursor = CursorManager(mouse_cursor)
117  
118  # show displayio group
119  display.show(splash)
120  
121  prev_btn = None
122  while True:
123      cursor.update()
124      if cursor.is_clicked is True:
125          for i, b in enumerate(buttons):
126              if b.contains((mouse_cursor.x, mouse_cursor.y)):
127                  b.selected = True
128                  print("Button %d pressed" % i)
129                  if i == 0:  # Increase the cursor speed
130                      mouse_cursor.speed += 1
131                  elif i == 1:  # Decrease the cursor speed
132                      mouse_cursor.speed -= 1
133                  if i == 2:  # Increase the cursor scale
134                      mouse_cursor.scale += 1
135                  elif i == 3:  # Decrease the cursor scale
136                      mouse_cursor.scale -= 1
137                  prev_btn = b
138      elif prev_btn is not None:
139          prev_btn.selected = False
140      text_speed.text = "Speed: {0}px".format(mouse_cursor.speed)
141      text_scale.text = "Scale: {0}px".format(mouse_cursor.scale)
142      time.sleep(0.1)