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import curses
import textwrap
class MessagePad():
def __init__(self):
self.changed = False
self.messages = []
self.win = None
def setWin(self, win):
self.win = win
def addMessage(self, message):
self.messages.append(message)
self.changed = True
def update(self, force):
if not self.changed and not force or not self.win:
return
win = self.win
height, width = win.getmaxyx()
if height < 1:
return
lines = []
for message in self.messages:
lines += textwrap.wrap(message, width)
if len(lines) > height:
lines = lines[len(lines)-height:]
win.erase()
win.addstr(0,0,'\n'.join(lines))
self.changed = False
win.noutrefresh()
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