add demo
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ladyada
parent
9555240015
commit
a7d25bd655
2 changed files with 115 additions and 2 deletions
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@ -53,7 +53,7 @@ class Button():
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ROUNDRECT = const(1)
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SHADOWRECT = const(2)
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SHADOWROUNDRECT = const(3)
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def __init__(self, *, x, y, width, height, style=RECT,
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def __init__(self, *, x, y, width, height, name=None, style=RECT,
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fill_color=0xFFFFFF, outline_color=0x0,
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label=None, label_font=None, label_color=0x0,
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selected_fill=None, selected_outline=None,
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@ -65,6 +65,7 @@ class Button():
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self._font = label_font
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self._selected = False
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self.group = displayio.Group()
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self.name = name
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self.fill_color = fill_color
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self.outline_color = outline_color
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@ -101,7 +102,7 @@ class Button():
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self.group.append(self.shadow)
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self.group.append(self.body)
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if label: # button with text label
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if label and (label_color is not None): # button with text label
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if not label_font:
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raise RuntimeError("Please provide label font")
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dims = label_font.text_bounding_box(label)
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@ -0,0 +1,112 @@
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import time
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import board
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import displayio
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import os
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from adafruit_display_text.text_area import TextArea
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from adafruit_bitmap_font import bitmap_font
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from adafruit_display_shapes.rect import Rect
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from adafruit_button import Button
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import adafruit_touchscreen
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# These pins are used as both analog and digital! XL, XR and YU must be analog
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# and digital capable. YD just need to be digital
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ts = adafruit_touchscreen.Touchscreen(board.TOUCH_XL, board.TOUCH_XR,
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board.TOUCH_YD, board.TOUCH_YU,
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calibration=((5200, 59000), (5800, 57000)),
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size=(320, 240))
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# the current working directory (where this file is)
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cwd = ("/"+__file__).rsplit('/', 1)[0]
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fonts = [file for file in os.listdir(cwd+"/fonts/")
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if (file.endswith(".bdf") and not file.startswith("._"))]
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for i, filename in enumerate(fonts):
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fonts[i] = cwd+"/fonts/"+filename
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print(fonts)
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THE_FONT = "/fonts/Chicago-12.bdf"
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DISPLAY_STRING = "Button Text"
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# Make the display context
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splash = displayio.Group(max_size=20)
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board.DISPLAY.show(splash)
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BUTTON_WIDTH = 80
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BUTTON_HEIGHT = 40
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BUTTON_MARGIN = 20
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##########################################################################
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# Make a background color fill
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color_bitmap = displayio.Bitmap(320, 240, 1)
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color_palette = displayio.Palette(1)
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color_palette[0] = 0x404040
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bg_sprite = displayio.TileGrid(color_bitmap,
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pixel_shader=color_palette,
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position=(0, 0))
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print(bg_sprite.position)
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splash.append(bg_sprite)
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##########################################################################
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# Load the font
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font = bitmap_font.load_font(THE_FONT)
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buttons = []
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# Default button styling:
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button_0 = Button(x=BUTTON_MARGIN, y=BUTTON_MARGIN,
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width=BUTTON_WIDTH, height=BUTTON_HEIGHT,
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label="button0", label_font=font)
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buttons.append(button_0)
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# a button with no indicators at all
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button_1 = Button(x=BUTTON_MARGIN*2+BUTTON_WIDTH, y=BUTTON_MARGIN,
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width=BUTTON_WIDTH, height=BUTTON_HEIGHT,
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fill_color=None, outline_color=None)
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buttons.append(button_1)
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# various colorings
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button_2 = Button(x=BUTTON_MARGIN*3+2*BUTTON_WIDTH, y=BUTTON_MARGIN,
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width=BUTTON_WIDTH, height=BUTTON_HEIGHT,
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label="button2", label_font=font, label_color=0x0000FF,
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fill_color=0x00FF00, outline_color=0xFF0000)
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buttons.append(button_2)
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# Transparent button with text
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button_3 = Button(x=BUTTON_MARGIN, y=BUTTON_MARGIN*2+BUTTON_HEIGHT,
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width=BUTTON_WIDTH, height=BUTTON_HEIGHT,
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label="button3", label_font=font, label_color=0x0,
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fill_color=None, outline_color=None)
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buttons.append(button_3)
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# a roundrect
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button_4 = Button(x=BUTTON_MARGIN, y=BUTTON_MARGIN*2+BUTTON_HEIGHT,
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width=BUTTON_WIDTH, height=BUTTON_HEIGHT,
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label="button4", label_font=font, style=Button.ROUNDRECT)
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buttons.append(button_4)
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# a shadowrect
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button_5 = Button(x=BUTTON_MARGIN*2+BUTTON_WIDTH, y=BUTTON_MARGIN*2+BUTTON_HEIGHT,
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width=BUTTON_WIDTH, height=BUTTON_HEIGHT,
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label="button5", label_font=font, style=Button.SHADOWRECT)
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buttons.append(button_5)
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# a shadowroundrect
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button_6 = Button(x=BUTTON_MARGIN*3+2*BUTTON_WIDTH, y=BUTTON_MARGIN*2+BUTTON_HEIGHT,
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width=BUTTON_WIDTH, height=BUTTON_HEIGHT,
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label="button5", label_font=font, style=Button.SHADOWROUNDRECT)
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buttons.append(button_6)
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for b in buttons:
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splash.append(b.group)
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while True:
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p = ts.touch_point
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if p:
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print(p)
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for i, b in enumerate(buttons):
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if b.contains(p):
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print("Button %d pressed" % i)
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b.selected = True
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else:
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b.selected = False
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