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Fix key hold-down behavior in cbl reader

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The retry print could get stuck in loop and the input
could queue up too many keypresses.
This commit is contained in:
Jarrod Johnson 2019-04-03 11:44:05 -04:00
parent 5ead803c8a
commit ae49cf290e
1 changed files with 24 additions and 25 deletions
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49
misc/cblreader.py
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@ -1,3 +1,4 @@
#!/usr/bin/python
import collections
import os
import struct
@ -10,12 +11,12 @@ import tty
def writeout(data):
done = False
while not done:
try:
sys.stdout.write(data)
done = True
except IOError:
pass
try:
sys.stdout.write(data)
done = True
except IOError:
time.sleep(0.1)
pass
class LogReplay(object):
@ -120,9 +121,10 @@ def main(txtfile, binfile):
fcntl.fcntl(sys.stdin.fileno(), fcntl.F_SETFL, currfl | os.O_NONBLOCK)
reverse = False
skipnext = False
quitit = False
writeout('\x1b[2J\x1b[;H')
try:
while True:
while not quitit:
if not skipnext:
newdata, delay = replay.get_output(reverse)
skipnext = False
@ -131,23 +133,21 @@ def main(txtfile, binfile):
writeout('\x1b]0;[Time: {0}]\x07'.format(
time.strftime('%m/%d %H:%M:%S', time.localtime(replay.laststamp))))
sys.stdout.flush()
select.select((sys.stdin,), (), (), 86400)
myinput = sys.stdin.read()
if myinput == '\x1b[C': # right
continue
elif myinput == '\x1b[D': # left
writeout('\x1b[2J\x1b[;H')
reverse = True
continue
elif myinput.lower() == 'q':
break
elif myinput.lower() == 'd':
writeout('\x1b];{0}\x07'.format(replay.debuginfo()))
sys.stdout.flush()
select.select((sys.stdin,), (), (), 3200)
skipnext = True
else:
continue
while True:
select.select((sys.stdin,), (), (), 86400)
myinput = sys.stdin.read()
if myinput.startswith('\x1b[C') or myinput.startswith('\x1bOC'): # right
break
elif myinput.startswith('\x1b[D') or myinput.startswith('\x1bOD'): # left
writeout('\x1b[2J\x1b[;H')
reverse = True
break
elif myinput.lower() == 'q':
quitit = True
break
elif myinput.lower() == 'd':
writeout('\x1b];{0}\x07'.format(replay.debuginfo()))
sys.stdout.flush()
except Exception:
currfl = fcntl.fcntl(sys.stdin.fileno(), fcntl.F_GETFL)
fcntl.fcntl(sys.stdin.fileno(), fcntl.F_SETFL, currfl ^ os.O_NONBLOCK)
@ -163,4 +163,3 @@ if __name__ == '__main__':
binfile = sys.argv[2]
txtfile = sys.argv[1]
main(txtfile, binfile)