display_button_simpletest.py

import os
import board
import displayio
from adafruit_bitmap_font import bitmap_font
from adafruit_button import Button
import adafruit_touchscreen

# These pins are used as both analog and digital! XL, XR and YU must be analog
# and digital capable. YD just need to be digital
ts = adafruit_touchscreen.Touchscreen(board.TOUCH_XL, board.TOUCH_XR,
                                      board.TOUCH_YD, board.TOUCH_YU,
                                      calibration=((5200, 59000), (5800, 57000)),
                                      size=(320, 240))

# the current working directory (where this file is)
cwd = ("/"+__file__).rsplit('/', 1)[0]
fonts = [file for file in os.listdir(cwd+"/fonts/")
         if (file.endswith(".bdf") and not file.startswith("._"))]
for i, filename in enumerate(fonts):
    fonts[i] = cwd+"/fonts/"+filename
print(fonts)
THE_FONT = "/fonts/Arial-12.bdf"
DISPLAY_STRING = "Button Text"

# Make the display context
splash = displayio.Group(max_size=20)
board.DISPLAY.show(splash)
BUTTON_WIDTH = 80
BUTTON_HEIGHT = 40
BUTTON_MARGIN = 20

##########################################################################
# Make a background color fill

color_bitmap = displayio.Bitmap(320, 240, 1)
color_palette = displayio.Palette(1)
color_palette[0] = 0x404040
bg_sprite = displayio.TileGrid(color_bitmap,
                               pixel_shader=color_palette,
                               x=0, y=0)
print(bg_sprite.x, bg_sprite.y)
splash.append(bg_sprite)

##########################################################################

# Load the font
font = bitmap_font.load_font(THE_FONT)

buttons = []
# Default button styling:
button_0 = Button(x=BUTTON_MARGIN, y=BUTTON_MARGIN,
                  width=BUTTON_WIDTH, height=BUTTON_HEIGHT,
                  label="button0", label_font=font)
buttons.append(button_0)

# a button with no indicators at all
button_1 = Button(x=BUTTON_MARGIN*2+BUTTON_WIDTH, y=BUTTON_MARGIN,
                  width=BUTTON_WIDTH, height=BUTTON_HEIGHT,
                  fill_color=None, outline_color=None)
buttons.append(button_1)

# various colorings
button_2 = Button(x=BUTTON_MARGIN*3+2*BUTTON_WIDTH, y=BUTTON_MARGIN,
                  width=BUTTON_WIDTH, height=BUTTON_HEIGHT,
                  label="button2", label_font=font, label_color=0x0000FF,
                  fill_color=0x00FF00, outline_color=0xFF0000)
buttons.append(button_2)

# Transparent button with text
button_3 = Button(x=BUTTON_MARGIN, y=BUTTON_MARGIN*2+BUTTON_HEIGHT,
                  width=BUTTON_WIDTH, height=BUTTON_HEIGHT,
                  label="button3", label_font=font, label_color=0x0,
                  fill_color=None, outline_color=None)
buttons.append(button_3)

# a roundrect
button_4 = Button(x=BUTTON_MARGIN*2+BUTTON_WIDTH, y=BUTTON_MARGIN*2+BUTTON_HEIGHT,
                  width=BUTTON_WIDTH, height=BUTTON_HEIGHT,
                  label="button4", label_font=font, style=Button.ROUNDRECT)
buttons.append(button_4)

# a shadowrect
button_5 = Button(x=BUTTON_MARGIN*3+BUTTON_WIDTH*2, y=BUTTON_MARGIN*2+BUTTON_HEIGHT,
                  width=BUTTON_WIDTH, height=BUTTON_HEIGHT,
                  label="button5", label_font=font, style=Button.SHADOWRECT)
buttons.append(button_5)

# a shadowroundrect
button_6 = Button(x=BUTTON_MARGIN, y=BUTTON_MARGIN*3+BUTTON_HEIGHT*2,
                  width=BUTTON_WIDTH, height=BUTTON_HEIGHT,
                  label="button6", label_font=font, style=Button.SHADOWROUNDRECT)
buttons.append(button_6)

for b in buttons:
    splash.append(b.group)

while True:
    p = ts.touch_point
    if p:
        print(p)
        for i, b in enumerate(buttons):
            if b.contains(p):
                print("Button %d pressed" % i)
                b.selected = True
            else:
                b.selected = False