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Full Discussion: problem with delete key...
Operating Systems Solaris problem with delete key... Post 302253168 by nobo on Friday 31st of October 2008 05:47:00 AM
Old 10-31-2008
First, to clarify: we are talking here about the key labeled "Delete" on my 102 key keyboard, and so marked on all of the other hundreds of millions of standard PC keyboards out there. I'm NOT talking about the "Backspace" key, which old unix culture calls "delete", or rather DEL, per this termio man page entry from a solaris 8 box:

Quote:
ERASE (DEL) erases the preceding character. It does not erase beyond the start of a line, as delimited by a NL, EOF, EOL, or EOL2 character.
I have experienced this issue (non functionality of my "Delete" and other keys) logging in via (open)ssh, using several term emulators (pure xterm, konsole, rxvt, others), from a wide variety of linux systems (2.2 kernels and up, several releases of RH, SuSe, Debian, several releases of Ubuntu, Gentoo, various custom builds), logging into many different Sun systems (solaris 7 thru 10 inclusive, both SPARC and x86).

HOME, END, and less frequently, PGUP, PGDN, and occasionally, the UP, DN, RIGHT, and LEFT arrow keys are also troublesome.

I've put many, many hours (40+) into fixing this. I've read a lot of man pages. I've done a lot of googling. I'm stymied.

It's been awhile so I'm a little rusty on it; but I've been spending a bunch of time dealing w/Solaris this week and it's on my mind. Looking over my notes, I've assaulted this from several angles; the primary vectors of attack have been terminfo (with a brief foray into legacy termcap stuff) and keytables. Of course there's been the stty tricks, various local tweaks to the various terminals. Many other abortive sojourns. All to no avail.

I've yet to packet sniff a solaris box to see what it sees but that is probably in the cards the next time I get furious enough to spend my time and my employer's money on this issue.

As to solutions, yes, this "works":

Quote:
it should work with "stty erase ^H", but you will have to type the <ctrl>h keyboard combination...

# stty erase \^h #for backspace
# stty erase \^? #for delete

regards
Of course, it really isn't a solution, is it? I mean, the keys on this old 102 PC keyboard (I buy these things used for a few dollars, I can't stand the action on modern kbds) still don't do what it says on the key. "Delete". Right Erase. Rub out. Whatever.

Why in god's name solving this is so hard I've no clue. A lot of it has to do with the culture war implicit in the issue. Personally, I don't care to engage in a culture war.

I'd just like to make this work. I want to press the key labeled "Delete" on my 102 key PC keyboard and see it delete the character under the cursor. Is there a human being alive, logging in to any Solaris box from any Linux workstation using any terminal emulator, obtaining this result?

thx
nobo
 

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LEARN ABOUT REDHAT

glutspecialupfunc

glutSpecialUpFunc(3GLUT)					       GLUT						  glutSpecialUpFunc(3GLUT)

NAME

       glutSpecialUpFunc - sets the special keyboard up (key release) callback for the current window.

SYNTAX

       void glutSpecialUpFunc(void (*func)(int key, int x, int y));

ARGUMENTS

       func	 The new special callback function.

DESCRIPTION

       glutSpecialUpFunc sets the special keyboard up (key release) callback for the current window. The special keyboard up callback is triggered
       when keyboard function or directional keys are released. The key callback parameter is a GLUT_KEY_* constant for the special  key  pressed.
       The  x  and y callback parameters indicate the mouse in window relative coordinates when the key was pressed. When a new window is created,
       no special up callback is initially registered and special key releases in the window are ignored.  Passing NULL to glutSpecialUpFunc  dis-
       ables the generation of special up callbacks.

       During  a  special  up callback, glutGetModifiers may be called to determine the state of modifier keys when the key release generating the
       callback occurred.

       To avoid the reporting of key release/press pairs due to auto repeat, use glutIgnoreKeyRepeat to ignore auto repeated keystrokes.

       An implementation should do its best to provide ways to generate all the GLUT_KEY_* special keys. The available GLUT_KEY_* values are:

       GLUT_KEY_F1
	       F1 function key.

       GLUT_KEY_F2
	       F2 function key.

       GLUT_KEY_F3
	       F3 function key.

       GLUT_KEY_F4
	       F4 function key.

       GLUT_KEY_F5
	       F5 function key.

       GLUT_KEY_F6
	       F6 function key.

       GLUT_KEY_F7
	       F7 function key.

       GLUT_KEY_F8
	       F8 function key.

       GLUT_KEY_F9
	       F9 function key.

       GLUT_KEY_F10
	       F10 function key.

       GLUT_KEY_F11
	       F11 function key.

       GLUT_KEY_F12
	       F12 function key.

       GLUT_KEY_LEFT
	       Left directional key.

       GLUT_KEY_UP
	       Up directional key.

       GLUT_KEY_RIGHT
	       Right directional key.

       GLUT_KEY_DOWN
	       Down directional key.

       GLUT_KEY_PAGE_UP
	       Page up directional key.

       GLUT_KEY_PAGE_DOWN
	       Page down directional key.

       GLUT_KEY_HOME
	       Home directional key.

       GLUT_KEY_END
	       End directional key.

       GLUT_KEY_INSERT
	       Inset directional key.

       Note that the escape, backspace, and delete keys are generated as an ASCII character.

SEE ALSO

       glutSpecialFunc, glutKeyboardFunc, glutKeyboardUpFunc,  glutMouseFunc,  glutSpaceballButtonFunc,  glutButtonBoxFunc,  glutTabletButtonFunc,
       glutGetModifiers, glutIgnoreKeyRepeat

AUTHOR

       Mark J. Kilgard (mjk@nvidia.com)

GLUT
									3.7						  glutSpecialUpFunc(3GLUT)
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