I have no idea. Probably not. :-) The point, however, is that if there is a standard way of doing it, that should be used. And I believe there is a most standard way (or am I wrong? I might mis-remember).
Regards, Elias On 23 October 2014 14:24, David B. Lamkins <dlamk...@gmail.com> wrote: > Interesting. I knew about the high-bit controls, but honestly can't > remember the last time I saw a system that used them. Aside from xterm > (given appropriate configuration), are high-bit controls used on any of > your available platforms? > > On Thu, 2014-10-23 at 14:09 +0800, Elias Mårtenson wrote: > > If you have never seen anything else, then I must assume that you > > haven't looked hard enough. :-) In fact, the usual way was to simply > > set the high bit to 1 to indicate Alt. Emacs implemented a workaround > > for terminals that did not support this (the Esc-prefix) and many > > terminal emulators have adopted this these days, making it full-circle > > if you will. > > > > > > Regards, > > Elias > > > > On 23 October 2014 14:06, David B. Lamkins <da...@lamkins.net> wrote: > > Thanks, Elias. > > > > I was inspired by what I saw coming out of `showkey`, so I > > looked at the > > source and realized that the foundation was very simple. The > > only really > > tricky part was distinguishing between the ANSI CSI (a > > two-character > > prefix of all ANSI cursor and function keys) and the APL `←` > > which is > > identical to the CSI but has nothing following until the next > > key press. > > > > Like you, I had a moment where I thought this ought to be > > integrated in > > GNU APL. Then I realized that GNU APL needs to see the Unicode > > representation of the APL characters so that curses can do the > > right > > thing with the cursor keys. > > > > That said, I'd be happy to share `akt` as a contribution to > > the > > "keyboards" section of the GNU APL distribution. > > > > I don't understand your concern regarding ESC as a prefix. ESC > > prefixing > > has been consistently available in all of the terminal > > emulators I've > > seen in the past decade or more on Macs, PCs and many flavors > > of Linux. > > I'd be surprised if that feature suddenly disappeared. > > > > Even if one did encounter a terminal emulator that doesn't map > > Alt to an > > ESC prefix, one may always type the ESC key as a prefix... > > > > It'd be easy to allow specification of a different > > single-character > > prefix, but I don't understand the need. What am I missing? > > Something > > having to do with the layout of non-US keyboards...? Non-ANSI > > terminal > > emulators...? Personal preference...? > > > > I do plan to look into curses, but that solution has a larger > > "surface > > area". `akt` was just a quick and simple hack to have a > > lightweight > > keyboard mapper while I slowly wrap my head around curses for > > a > > different project. > > > > > > > > >
