Triggering actions from outside?

[Sebastian Gniazdowski <sgniazdowski gmail com>]

I thought that it would be nice to trigger CK_EditNew and other actions when running a macro, or a usermenu entry. It can be done via signals (USR1), attached is a patch. 

For running from macros inside mc/mcedit, what's sufficient is to execute: mc --ck EditNew (because the pid is exported). For outside, one has to specify the pid via: MC_PID=1234 mc --ck EditNew.

It works for mc and mcedit. What do you think?

PS. A little video: asciinema.org/a/432747

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Best regards,

Sebastian Gniazdowski

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