nboard/nboard

111 lines
2.7 KiB
Python
Executable file

#!/usr/bin/env python3
import curses,time,json,sys
dataPath = '/home/lickthecheese/nboard/nboard.json'
allowedChars = " `~1234567890-=!@#$%^&*()_+qwertyuiop[]\\QWERTYUIOP{}|asdfghjkl;'ASDFGHJKL:\"zxcvbnm,./ZXCVBNM<>?"
data = {}
def main(stdscr):
stdscr.erase()
stdscr.refresh()
k='NOU'
height, width = stdscr.getmaxyx()
vx = vy = tx = ty = nl = 0
cx = width // 2
cy = height // 2
stdscr.move(cy,cx)
while True:
cx = width // 2
cy = height // 2
stdscr.clear()
height, width = stdscr.getmaxyx()
# detect where to move cursor
if k == 'KEY_UP':
vy += -1
nl = vx
if k == 'KEY_DOWN':
vy += 1
nl = vx
if k == 'KEY_LEFT':
vx += -1
nl = vx
if k == 'KEY_RIGHT':
vx += 1
nl = vx
if k == '\n':
vx = nl
vy += 1
if k == 'KEY_BACKSPACE':
vx += -1
# make sure the cursor is on the screen
# this is not nessesary for the view as it is infinite
cx = max(0, cx)
cx = min(width-1, cx)
cy = max(0, cy)
cy = min(height-2, cy)
# calculate true position
tx = cx + (vx) - width // 2
ty = cy + (vy) - (height-1) // 2
# get json data
with open(dataPath, 'r') as openfile:
data = json.load(openfile)
# if valid key pressed, write it
if k in allowedChars:
data[str((ty,tx))] = k
vx = vx+1
with open(dataPath, 'w') as outfile:
json.dump(data, outfile)
tx = cx + (vx) - width // 2
# draw the screen
stdscr.move(0, 0)
for y in range(height-1):
for x in range(width):
stdscr.move(y,x)
stdscr.addstr(data.get(str((ty - cy + y,tx - cx + x)), ' '))
# display some info
stdscr.addstr(height-1, 0, 'x: {}, y: {}, arrow keys to move'.format(tx, 0-ty)[:width-1])
# move the cursor where its actually supposed to be
stdscr.move(cy,cx)
#print(str(k)) # debug keycodes
k = stdscr.getkey()
time.sleep(0)
if __name__ == "__main__":
if len(sys.argv) > 1 and (sys.argv[1] == '--help' or sys.argv[1] == 'help'):
print("""
nboard is like yourworldoftext.com, except its in a terminal.
use the arrow keys to move arount
once you are in the place you want, you can start typing!
please report any bugs to ~xfnw on IRC or on the tildegit page,
https://tildegit.org/xfnw/nboard
""")
else:
try:
curses.wrapper(main)
except KeyboardInterrupt:
print('bye!')