def _insert_printable_char(self, ch):
(y, x) = self.win.getyx()
if y < self.maxy or x < self.maxx:
if self.insert_mode:
oldch = self.win.inch()
# The try-catch ignores the error we trigger from some curses
# versions by trying to write into the lowest-rightmost spot
# in the window.
try:
self.win.addch(ch)
except curses.error:
pass
if self.insert_mode:
(backy, backx) = self.win.getyx()
if curses.ascii.isprint(oldch):
self._insert_printable_char(oldch)
self.win.move(backy, backx)
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