Groups > comp.os.linux.development.system > #498

Re: I wanna know the name of the signal that will appear while i press arrow key..

Newsgroups	comp.os.linux.development.system
Date	2013-04-01 03:12 -0700
References	<71fc1777-d2e7-4717-8ff9-9f92819bc368@googlegroups.com> <42ae02cf-c0b6-4159-b827-bb5dc91c3f1a@googlegroups.com> <1bd2uggu0q.fsf@snowball.wb.pfeifferfamily.net>
Message-ID	<01e70dbd-39dd-4818-9f8c-964a4a778f97@googlegroups.com> (permalink)
Subject	Re: I wanna know the name of the signal that will appear while i press arrow key..
From	Chrisshia <anguslinszz@gmail.com>

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On Saturday, March 30, 2013 10:52:53 PM UTC-4, Joe Pfeiffer wrote:
> Chrisshia <anguslinszz@gmail.com> writes:
> 
> 
> 
> > On Saturday, March 30, 2013 8:40:53 AM UTC-4, Chrisshia wrote:
> 
> >> 
> 
> >
> 
> > i just wanna know what signal will send out while i press arrow keys...
> 
> 
> 
> Of course, you won't get a signal -- the signals are defined in the
> 
> signal(7) man page.  What you will get depends on what you're doing; in
> 
> general it'll be an input on stdin or a keypress.
> 
> 
> 
> If you're on a text console or in a shell window, it'll put the
> 
> following on stdin for you to read:
> 
> 
> 
> up:    ^[[A
> 
> down:  ^[[B
> 
> right: ^[[C
> 
> left:  ^[[D
> 
> 
> 
> (following the usual convention of using ^[ to mean the escape
> 
> character)
> 
> 
> 
> If you're getting input using the curses library, they get mapped to
> 
> constants named KEY_UP, KEY_DOWN, KEY_RIGHT, and KEY_LEFT.
> 
> 
> 
> If you're writing an X application, it'll depend on the toolkit you're
> 
> using.  I found what looks like a good description of how it's done in
> 
> GTK+ at http://www.gtkforums.com/viewtopic.php?t=182

thank you very much..the answer is overall..i can learn many things from it..

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I wanna know the name of the signal that will appear while i press arrow key.. Chrisshia <anguslinszz@gmail.com> - 2013-03-30 05:40 -0700
  Re: I wanna know the name of the signal that will appear while i press arrow key.. Chrisshia <anguslinszz@gmail.com> - 2013-03-30 07:03 -0700
    Re: I wanna know the name of the signal that will appear while i press arrow key.. Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2013-03-30 20:52 -0600
      Re: I wanna know the name of the signal that will appear while i press arrow key.. Chrisshia <anguslinszz@gmail.com> - 2013-04-01 03:12 -0700

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