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#!/usr/bin/env python3
from blessed import Terminal
header_msg = "Press arrow keys (or 'q' to quit): "
term = Terminal()
position = [term.height // 2, term.width // 2]
with term.cbreak(), term.fullscreen(), term.hidden_cursor():
print(term.home + header_msg + term.clear_eos)
while True:
# show arrow-controlled block
print(term.move_yx(*position) + '█', end='', flush=True)
# get key,
key = term.inkey()
# take action,
if key == 'q':
break
if key.name == 'KEY_UP':
position[0] = max(0, position[0] - 1)
elif key.name == 'KEY_LEFT':
position[1] = max(0, position[1] - 1)
elif key.name == 'KEY_DOWN':
position[0] = min(term.height, position[0] + 1)
elif key.name == 'KEY_RIGHT':
position[1] = min(term.width, position[1] + 1)
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