grid_layout_centered_cells.py

# SPDX-FileCopyrightText: 2020 Tim C
#
# SPDX-License-Identifier: Unlicense
"""
Make green and purple rectangles and a
"Hello World" label.
"""
import displayio
import terminalio
from adafruit_display_text import label
from blinka_displayio_pygamedisplay import PyGameDisplay
from adafruit_bitmap_font import bitmap_font
import bitmap_font_forkawesome_icons as icons
from adafruit_displayio_layout.layouts.grid_layout import GridLayout

# Make the display context. Change size if you want
display = PyGameDisplay(width=320, height=240)

icons = [
    icons.building,
    icons.address_card,
    icons.bitbucket,
    icons.archlinux,
    icons.cogs,
    icons.envelope_open,
]

# Make the display context
main_group = displayio.Group()
display.show(main_group)

DISPLAY_WIDTH = display.width
DISPLAY_HEIGHT = display.height

font_file = "fonts/forkawesome-42.pcf"
fontawesome = bitmap_font.load_font(font_file)

GRID_SIZE_X = 3
GRID_SIZE_Y = 2

CELL_SIZE = (DISPLAY_WIDTH // GRID_SIZE_X, DISPLAY_HEIGHT // GRID_SIZE_Y)

layout = GridLayout(
    x=0,
    y=0,
    width=DISPLAY_WIDTH,
    height=DISPLAY_HEIGHT,
    grid_size=(GRID_SIZE_X, GRID_SIZE_Y),
    cell_padding=0,
    divider_lines=True,
)

_grid_contents = []

main_group.append(layout)

for icon in icons:
    _group = displayio.Group()
    _cur_label = label.Label(
        fontawesome,
        text=icon,
        color=0xCCCCCC,
    )
    _cur_label.anchor_point = (0.5, 0.5)
    _cur_label.anchored_position = (CELL_SIZE[0] // 2, CELL_SIZE[1] // 2)
    _group.append(_cur_label)
    _grid_contents.append(_group)


layout.add_content(_grid_contents[0], grid_position=(0, 0), cell_size=(1, 1))
layout.add_content(_grid_contents[1], grid_position=(1, 0), cell_size=(1, 1))
layout.add_content(_grid_contents[2], grid_position=(2, 0), cell_size=(1, 1))
layout.add_content(_grid_contents[3], grid_position=(0, 1), cell_size=(1, 1))
layout.add_content(_grid_contents[4], grid_position=(1, 1), cell_size=(1, 1))
layout.add_content(_grid_contents[5], grid_position=(2, 1), cell_size=(1, 1))

while display.running:
    pass