Am 27.01.2025 um 12:17 schrieb Takashi Yano via Cygwin:
Hi Thomas,
A few days ago, Corinna asked me to check a problem of TTY.
The problem is as follows.
Reproduce steps:
(1) Open mintty.
(2) Open another mintty.
(3) Place the second mintty window over the first one.
(4) Hold ctrl key down.
(5) Press 'd' key while holding ctrl key. The second mintty
window will be closed. Keep ctrl key still hold down.
(6) Now the first mintty window is focused. Then press 'd' key
while holding ctrl key down.
(7) The first mintty window will not logout but displays 'd'.
I checked the pty and found the pty in the first mintty
receives just 'd' but not Ctrl-D from mintty. In other words,
fhandler_pty_master::write() is called with 'd'. So I suspect it
might be a problem of mintty. Therefore, I tried old version
of mintty. The results are:
3.7.7-1: NG
3.7.4-1: NG
2.9.6-0: OK
I guess this bug(?) was introduced between 2.x.x and 3.7.x.
Any idea?
If you need more information from pty side, please let me know.
Hi Takashi,
sorry this was attributed to pty, it is an issue of mintty I was aware
of which appeared in 3.7.2.
More precisely, it slipped in with
be73970877a99548aeeab60a2572ffb04b695066 "revise AltGr handling to
support flexible right-Alt+left-Ctrl combinations (#1266)", as a
trade-off for what I meant to be a final fix for control modifier
handling. I guess I hadn't considered it serious enough to reopen the
issue for another workaround. To be reconsidered...
Thomas
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