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import curses
from .globals import CURSES_LOCK
def split_words(s, l):
lines = []
while len(s) > l:
work = s[:l]
for i in reversed(range(l)):
if work[i] in ' -_':
lines.append(s[:i+1])
s = s[i+1:]
break
else:
lines.append(work)
s = s[l:]
if s:
lines.append(s)
return lines
def askyesnocancel(stdscr, msg, title="Confirm", resize=None):
height, width = stdscr.getmaxyx()
thiswidth = min(width, 40)
posx = (width // 2) - (thiswidth // 2)
lines = split_words(msg, thiswidth-2)
thisheight = len(lines) + 3
posy = (height // 2) - (thisheight // 2)
if thisheight > height:
raise ValueError("Not enough room")
win = curses.newwin(thisheight, thiswidth, posy, posx)
win.leaveok(True)
win.border()
win.addstr(0, (thiswidth // 2) - (len(title) // 2), title)
win.keypad(True)
for n, l in enumerate(lines, 1):
win.addstr(n, 1, l)
win.addstr(thisheight-2, 1, "[Y]es, [N]o, [C]ancel")
win.refresh()
curses.curs_set(0)
while True:
l = win.getch()
if l == curses.KEY_RESIZE:
if resize is not None:
resize()
return askyesnocancel(stdscr, msg, title=title, resize=resize)
elif l in (ord('y'), ord('Y')):
win.erase()
return True
elif l in (ord('n'), ord('N')):
win.erase()
return False
elif l in (ord('c'), ord('C')):
win.erase()
return None
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