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Use the nice array based interface for fcntl.ioctl
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@ -46,10 +46,10 @@ printf("number of columns: %i, number of rows: %i, screen width: %i, screen heig
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In Python:
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```py
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import struct, fcntl, termios
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s = struct.pack('HHHH', 0, 0, 0, 0)
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x = struct.unpack('HHHH', fcntl.ioctl(1, termios.TIOCGWINSZ, s))
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print(f'number of columns: {x[0]}, number of rows: {x[1]}, screen width: {x[2]}, screen height: {x[3]}')
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import array, fcntl, termios
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buf = array.array('H', [0, 0, 0, 0])
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fcntl.ioctl(sys.stdout, termios.TIOCGWINSZ, buf)
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print('number of columns: {}, number of rows: {}, screen width: {}, screen height: {}'.format(*buf))
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```
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Note that some terminals return `0` for the width and height values. Such terminals should be modified to return the correct values.
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@ -2,13 +2,13 @@
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# vim:fileencoding=utf-8
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# License: GPL v3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
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import array
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import codecs
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import fcntl
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import mimetypes
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import os
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import re
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import signal
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import struct
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import subprocess
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import sys
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import termios
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@ -18,8 +18,8 @@
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from math import ceil, floor
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from tempfile import NamedTemporaryFile
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from kitty.constants import appname
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from kitty.cli import parse_args
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from kitty.constants import appname
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from kitty.utils import read_with_timeout
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try:
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@ -105,9 +105,9 @@ def options_spec():
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def screen_size():
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if screen_size.changed:
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s = struct.pack('HHHH', 0, 0, 0, 0)
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x = fcntl.ioctl(1, termios.TIOCGWINSZ, s)
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screen_size.ans = Size(*struct.unpack('HHHH', x))
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buf = array.array('H', [0, 0, 0, 0])
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fcntl.ioctl(sys.stdout, termios.TIOCGWINSZ, buf)
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screen_size.ans = Size(*buf)
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screen_size.changed = False
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return screen_size.ans
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