cygwin 3.1 pseudo console in PTY and break/ctrl-c handling
Thu Feb 20 09:11:00 GMT 2020
On 19.02.2020 21:21, Brian Inglis wrote:
> On 2020-02-19 13:02, Kevin Schnitzius via cygwin wrote:
>> On Tuesday, February 18, 2020, 05:54:23 PM EST, Thomas Wolff wrote:
>>>> With 3.1.2-1:
>>>> mintty -o "CA+F12:break"Â Â Â Â Â Â Â Â =====>Â Â ctrl-alt-F12 causes a break and kills notepad
>>>> mintty -o "c:break"Â Â Â Â Â Â Â Â Â Â =====>Â Â ctrl-shift-c causes a break and kills notepad
>>>> mintty -o "C+c:break"Â Â Â Â Â Â Â Â Â =====>Â FAIL -- ctrl-c kills native apps but notepad is not affected
>>>> mintty -o "CA+c:break"Â Â Â Â Â Â Â Â Â =====>Â FAIL -- ctrl-alt-c kills native apps but notepad is not affected
>>> This would be mintty -o KeyFunctions='CA+F12:break' etc.
>>> The latter two are not valid mintty configuration; Ctrl is only
>>> supported as a modifier for function keys and special keys, not letters.
>>> This is unchanged with the cygwin version.
>> Ah, thank you.Â That was the clue that I needed.
>> For those also having this problem:
>> mintty.exe -o "KeyFunctions=c:break" -o CtrlExchangeShift=true -
>> will propagate Ctrl-C to the non-native apps and kill them, imitating the behavior of 3.0.X Cygwin.
>> Now that I have played with this for a while, I am thinking that I like the new behavior better and I have assigned a new key to specifically kill native Windows programs instead letting the Ctrl-C do all the work (I am using Alt-F5 to do this).
> Should the above settings not be the default behaviour for backward
> compatibility and least surprise to users?
I was just taking up the requester's example. Sure ^C is an interrupt
function on the command line. This is handled by the pty driver, not by
The above configuration is a mintty feature of assigning functions (of
which break is just one special case) to key combinations, independent
of the stty settings.
> It used to be mintty just worked as expected with most programs, now additional
> interfaces seem to be required depending on Windows versions, editions, and
> releases. These helpers should either be included in the package, or be
> dependencies pulled in by mintty without which it will not install, with the
> appropriate interfaces installed and configured so that mintty, shells, and
> programs run under it continue to work as expected.
Some recently reported observations are related to the ConPTY project.
There have been no changes in mintty concerning keyboard handling.
Problem reports: http://cygwin.com/problems.html
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
More information about the Cygwin