60 lines
2.6 KiB
Plaintext
60 lines
2.6 KiB
Plaintext
Date: Wed, 8 Jun 1994 20:29:54 +0200
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From: Anders Holst <aho@sans.kth.se>
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Message-Id: <199406081829.AA16250@thalamus.sans.kth.se>
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To: gwm-talk@mirsa.inria.fr
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Subject: gwmchat - an interactive shell to gwm
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This is my contribution to the discussion about easier interaction
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with gwm. It is a small program that is compiled separately from gwm.
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When started it forks off a gwm-process, and then feeds text from
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stdin to gwm. (It actually starts a third process also, that waits for
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any of the other two to die, and which catches signals).
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I saw (after already having written it) that Sven Wischnowsky
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(oberon@cs.tu-berlin.de) actually had written a patch to gwm with much
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the same effect (ie. making it read commands from stdin). That is
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of course the right solution. However my program can be useful for
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those which have no permission, or time, to change the version
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installed on their machine.
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Just compile gwmchat with one of the two commands below, and start it
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with the same flags as you would have started gwm (eg. "gwmchat -f
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mwm"). From your .xinitrc or .xsession or wherever gwm is started now,
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you can say something like "xterm -e gwmchat -f mwm;".
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NOTE: I have only tried it out on DEC-stations (with Ultrix), and on
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Sun4:s. I have no idea if it works on other machines !
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Also, it assumes that gwm is in your path.
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There is one small problem though - I tried to make it use readline,
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but I can't get it to work properly. Readline keeps mangling up the
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prompt when walking around in the history list, or editing the
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command. This is because the prompt is not written out through
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readline, but through gwm, to make it sync with the result. Thus
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readline knows of no prompt, and sometimes redraws the whole line. I
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can't seem to get around this.
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Therefore there are two different ways to compile the program. Use:
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gcc -o gwmchat gwmchat.c -lreadline -liberty -ltermcap -lX11
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if you want to try the readline interface. If you don't have readline,
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or it behaves too strangely at your place, try this instead:
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gcc -o gwmchat gwmchat.c -DNORL -lX11
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This will however give no commandline editing whatsoever, not even
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going backwards or forwards with the arrows. So a recommendation, to
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make it acceptable, is that gwmchat is started within an emacs
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shell, and thus can rely on emacs editing, completion, and history
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commands.
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I'm sure you can find various strange behaviors from it. (For example I
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sometimes get a strange message about "swap error" when gwm exits, and
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I can't figure out what is wrong.) However I find it very useful
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already now.
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Enough talk. Here follows the code.
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Anders Holst (aho@sans.kth.se)
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