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- Add comments for termios features.
This commit is contained in:
Andrew Hamilton 2022-01-04 18:25:43 +10:00
parent ae07f1cab3
commit 3e145fc5e4
1 changed files with 3 additions and 2 deletions
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5
fill3/fill3/terminal.py
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@ -70,9 +70,10 @@ def alternate_buffer():
def raw(): def raw():
old_termios_settings = termios.tcgetattr(sys.stdin) old_termios_settings = termios.tcgetattr(sys.stdin)
new_settings = termios.tcgetattr(sys.stdin) new_settings = termios.tcgetattr(sys.stdin)
new_settings[0] = new_settings[0] & ~termios.IXON new_settings[0] = new_settings[0] & ~termios.IXON # ctrl-s doesn't freeze output
# Don't print keys typed. Read byte by byte. Ctrl-c and ctrl-z aren't special.
new_settings[3] = new_settings[3] & ~termios.ECHO & ~termios.ICANON & ~termios.ISIG new_settings[3] = new_settings[3] & ~termios.ECHO & ~termios.ICANON & ~termios.ISIG
new_settings[6][termios.VMIN] = 0 new_settings[6][termios.VMIN] = 0 # Read unblocks immediately on input
termios.tcsetattr(sys.stdin, termios.TCSADRAIN, new_settings) termios.tcsetattr(sys.stdin, termios.TCSADRAIN, new_settings)
sys.stdout.write(ESC + "[?1l") # Ensure normal cursor key codes sys.stdout.write(ESC + "[?1l") # Ensure normal cursor key codes
try: try: