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Ensure only a single screen size function is used

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This commit is contained in:
Kovid Goyal 2018-05-09 14:14:09 +05:30
parent 2e69b904da
commit 7d39d5c088
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 18 additions and 14 deletions
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32
kitty/utils.py
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@ -77,22 +77,26 @@ def parse_color_set(raw):
def screen_size_function():
from collections import namedtuple
import array
import fcntl
import termios
Size = namedtuple('Size', 'rows cols width height')
ans = getattr(screen_size_function, 'ans', None)
if ans is None:
from collections import namedtuple
import array
import fcntl
import termios
Size = namedtuple('Size', 'rows cols width height')
def screen_size():
if screen_size.changed:
buf = array.array('H', [0, 0, 0, 0])
fcntl.ioctl(sys.stdout, termios.TIOCGWINSZ, buf)
screen_size.ans = Size(*buf)
screen_size.changed = False
return screen_size.ans
screen_size.changed = True
def screen_size():
if screen_size.changed:
buf = array.array('H', [0, 0, 0, 0])
fcntl.ioctl(sys.stdout, termios.TIOCGWINSZ, buf)
screen_size.ans = Size(*buf)
screen_size.changed = False
return screen_size.ans
screen_size.changed = True
screen_size.Size = Size
ans = screen_size_function.ans = screen_size
return screen_size
return ans
def set_primary_selection(text):