kopia lustrzana https://github.com/pimoroni/pimoroni-pico
Pico Display 2.x: example menus
thirdr
rodzic
c6384ce9d5
commit
ad6fd1c2d8
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# A scrolling menu example
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# Use B and Y buttons to navigate LEFT and RIGHT
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# Press A to select a character. Selected characters are shown at the top of the display.
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# Press X to delete the last character.
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import time
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from picographics import PicoGraphics, DISPLAY_PICO_DISPLAY_2, PEN_RGB565
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from pimoroni import RGBLED
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from machine import Pin
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button_a = Pin(12, Pin.IN)
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button_b = Pin(13, Pin.IN)
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button_x = Pin(14, Pin.IN)
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button_y = Pin(15, Pin.IN)
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display = PicoGraphics(display=DISPLAY_PICO_DISPLAY_2, pen_type=PEN_RGB565, rotate=0)
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display.set_backlight(0.8)
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# set up constants for drawing
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WIDTH, HEIGHT = display.get_bounds()
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BLACK = display.create_pen(0, 0, 0)
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RED = display.create_pen(255, 0, 0)
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GREEN = display.create_pen(0, 255, 0)
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BLUE = display.create_pen(0, 0, 255)
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WHITE = display.create_pen(255, 255, 255)
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PURPLE = display.create_pen(255, 0, 255)
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led = RGBLED(26, 27, 28)
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class Menu(object):
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def __init__(self):
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self.items = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
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'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x',
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'y', 'z']
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self.selected = 0
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self.shadow_offset = 2
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self.cursor = "<-"
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self.start = 0
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self.stop = self.start + 10
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self.last_press = 0
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self.title = "Scrolling Menu"
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self.characters = []
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# A function to draw only the menu elements.
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# Helps to keep our main draw function tidy!
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def draw_menu(self):
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display.set_pen(WHITE)
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display.clear()
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self.slice = self.items[self.start:self.stop]
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display.set_pen(BLACK)
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length = display.measure_text(self.title, 4)
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display.text(self.title, WIDTH // 2 - length // 2 + self.shadow_offset, 10 + self.shadow_offset, WIDTH, 4)
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display.set_pen(RED)
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display.text(self.title, WIDTH // 2 - length // 2, 10, WIDTH, 4)
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display.set_pen(RED)
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display.rectangle(5, HEIGHT - 35, 35, 35)
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for item in range(len(self.slice)):
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if item == 0:
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display.set_pen(WHITE)
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else:
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display.set_pen(BLACK)
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display.text(self.slice[item], 15 + item * 30, HEIGHT - 30, WIDTH, 4)
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display.set_pen(BLACK)
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for i in range(len(self.characters)):
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display.text(self.characters[i], 5 + 15 * i, 50, WIDTH, 2)
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def remove_last_char(self):
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if len(self.characters) > 0:
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self.characters.pop()
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# Do a thing based on the currently selected menu item
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# We're taking the highlighted character and saving it in our array for later.
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def process_selected(self):
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if len(self.characters) > 20:
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self.characters = []
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self.characters += self.items[self.selected]
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def user_input(self):
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# Process the user input and update the currently selected item
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if button_y.value() == 0:
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if self.selected < len(self.items) - 1:
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self.selected += 1
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if self.stop < len(self.items) + 9:
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self.start += 1
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self.stop += 1
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else:
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self.start = 0
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self.stop = self.start + 10
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self.selected = 0
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if button_b.value() == 0:
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if self.selected > 0:
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self.selected -= 1
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if self.stop > 10:
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self.start -= 1
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self.stop -= 1
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else:
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self.start = len(self.items) - 1
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self.stop = self.start + 10
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self.selected = len(self.items) - 1
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if button_a.value() == 0:
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self.process_selected()
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if button_x.value() == 0:
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self.remove_last_char()
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menu = Menu()
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while True:
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menu.draw_menu()
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menu.user_input()
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display.update()
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time.sleep(1.0 / 20)
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@ -0,0 +1,126 @@
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# A scrolling menu example
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# Use X and Y buttons to navigate up and down the menu
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# Press A to select a character. Selected characters are shown at the bottom of the display.
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# Press B to delete the last character.
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import time
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from picographics import PicoGraphics, DISPLAY_PICO_DISPLAY_2, PEN_RGB565
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from pimoroni import RGBLED
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from machine import Pin
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button_a = Pin(12, Pin.IN)
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button_b = Pin(13, Pin.IN)
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button_x = Pin(14, Pin.IN)
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button_y = Pin(15, Pin.IN)
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display = PicoGraphics(display=DISPLAY_PICO_DISPLAY_2, pen_type=PEN_RGB565, rotate=0)
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display.set_backlight(0.8)
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# set up constants for drawing
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WIDTH, HEIGHT = display.get_bounds()
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BLACK = display.create_pen(0, 0, 0)
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RED = display.create_pen(255, 0, 0)
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GREEN = display.create_pen(0, 255, 0)
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BLUE = display.create_pen(0, 0, 255)
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WHITE = display.create_pen(255, 255, 255)
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PURPLE = display.create_pen(255, 0, 255)
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led = RGBLED(26, 27, 28)
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class Menu(object):
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def __init__(self):
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self.items = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
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'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x',
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'y', 'z']
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self.selected = 0
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self.shadow_offset = 2
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self.cursor = "<-"
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self.start = 0
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self.stop = self.start + 5
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self.last_press = 0
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self.title = "Scrolling Menu"
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self.characters = []
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# A function to draw only the menu elements.
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# Helps to keep our main draw function tidy!
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def draw_menu(self):
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display.set_pen(WHITE)
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display.clear()
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self.slice = self.items[self.start:self.stop]
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display.set_pen(BLACK)
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length = display.measure_text(self.title, 4)
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display.text(self.title, WIDTH // 2 - length // 2 + self.shadow_offset, 10 + self.shadow_offset, WIDTH, 4)
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display.set_pen(BLUE)
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display.text(self.title, WIDTH // 2 - length // 2, 10, WIDTH, 4)
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for item in range(len(self.slice)):
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if item == 0:
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display.set_pen(RED)
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display.text(self.cursor, 175, 63, WIDTH, 4)
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else:
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display.set_pen(BLACK)
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display.text(self.slice[item], 145, 65 + item * 30, WIDTH, 4)
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display.set_pen(BLACK)
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for i in range(len(self.characters)):
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display.text(self.characters[i], 2 + 12 * i, HEIGHT - 15)
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def remove_last_char(self):
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if len(self.characters) > 0:
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self.characters.pop()
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# Do a thing based on the currently selected menu item
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# We're taking the highlighted character and saving it in our array for later.
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def process_selected(self):
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if len(self.characters) > 25:
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self.characters = []
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self.characters += self.items[self.selected]
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def user_input(self):
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# Process the user input and update the currently selected item
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if button_y.value() == 0:
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if self.selected < len(self.items) - 1:
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self.selected += 1
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if self.stop < len(self.items) + 4:
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self.start += 1
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self.stop += 1
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else:
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self.start = 0
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self.stop = self.start + 5
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self.selected = 0
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if button_x.value() == 0:
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if self.selected > 0:
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self.selected -= 1
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if self.stop > 5:
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self.start -= 1
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self.stop -= 1
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else:
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self.start = len(self.items) - 1
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self.stop = self.start + 5
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self.selected = len(self.items) - 1
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if button_a.value() == 0:
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self.process_selected()
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if button_b.value() == 0:
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self.remove_last_char()
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menu = Menu()
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while True:
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menu.draw_menu()
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menu.user_input()
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display.update()
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time.sleep(1.0 / 20)
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@ -0,0 +1,103 @@
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import time
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from picographics import PicoGraphics, DISPLAY_PICO_DISPLAY_2, PEN_RGB565
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from pimoroni import RGBLED
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from machine import Pin
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button_a = Pin(12, Pin.IN)
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button_x = Pin(14, Pin.IN)
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button_y = Pin(15, Pin.IN)
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display = PicoGraphics(display=DISPLAY_PICO_DISPLAY_2, pen_type=PEN_RGB565, rotate=0)
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display.set_backlight(0.8)
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# set up constants for drawing
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WIDTH, HEIGHT = display.get_bounds()
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BLACK = display.create_pen(0, 0, 0)
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RED = display.create_pen(255, 0, 0)
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GREEN = display.create_pen(0, 255, 0)
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BLUE = display.create_pen(0, 0, 255)
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WHITE = display.create_pen(255, 255, 255)
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PURPLE = display.create_pen(255, 0, 255)
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led = RGBLED(26, 27, 28)
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class Menu(object):
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def __init__(self):
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self.items = ["Red", "Green", "Blue", "Purple"]
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self.selected = 0
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self.shadow_offset = 2
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self.cursor = "<-"
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self.colour = BLACK
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self.title = "Simple Menu"
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# A function to draw only the menu elements.
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def draw_menu(self):
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display.set_pen(WHITE)
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display.clear()
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display.set_pen(BLACK)
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length = display.measure_text(self.title, 4)
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display.text(self.title, WIDTH // 2 - length // 2 + self.shadow_offset, 10 + self.shadow_offset, WIDTH, 4)
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display.set_pen(self.colour)
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display.text(self.title, WIDTH // 2 - length // 2, 10, WIDTH, 4)
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display.set_pen(BLACK)
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for item in range(len(self.items)):
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length = display.measure_text(self.items[item], 3)
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if self.selected == item:
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display.set_pen(self.colour)
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display.text(self.cursor, length + 40, HEIGHT // 2 + item * 20, WIDTH, 3)
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display.text(self.items[item], 30, HEIGHT // 2 + item * 20, WIDTH, 3)
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display.set_pen(self.colour)
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display.rectangle(0, HEIGHT - 10, WIDTH, 10)
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display.set_pen(BLACK)
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# Do a thing based on the currently selected menu item
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# For our example we'll be changing the text and LED colour
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def process_selected(self):
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if self.selected == 0:
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self.colour = RED
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led.set_rgb(255, 0, 0)
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if self.selected == 1:
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self.colour = GREEN
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led.set_rgb(0, 255, 0)
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if self.selected == 2:
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self.colour = BLUE
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led.set_rgb(0, 0, 255)
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if self.selected == 3:
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self.colour = PURPLE
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led.set_rgb(255, 0, 255)
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def user_input(self):
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# Process the user input and update the currently selected item
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if button_y.value() == 0:
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if self.selected + 1 < len(self.items):
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self.selected += 1
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else:
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self.selected = 0
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if button_x.value() == 0:
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if self.selected > 0:
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self.selected -= 1
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else:
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self.selected = len(self.items) - 1
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if button_a.value() == 0:
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self.process_selected()
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menu = Menu()
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while True:
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menu.draw_menu()
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menu.user_input()
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display.update()
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time.sleep(1.0 / 20)
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