On Jan 28 00:50, Thomas Wolff via Cygwin wrote: > > 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...
I just had a look into that commit and saw the description of a hidden option OldAltGrDetection right at the start. Looks like OldAltGrDetection=2 is a temporary workaround for the problem. What's the drawback of using it? Thanks, Corinna -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
