Silicon Graphics IRIS Workstation User Manual page 165

Appendix L:
L.8 Input/Output
The GL 1 commands
replaced by the single command
,
unqvaluator() unqbutton()
. A new device that can be queued or unqueued is KEYBOARD.
unqdevice()
Thus
qdevice(KEYBOARD)
GL 2 supports a logical ERROR device, and if the errors are queued, run-time
errors will cause event queue entries rather than causing an error to be printed
on the screen. The event will be of type ERROR, and the value will be an error
number.
Here is a list of the possible error values and their numerical values.
Error
ERR_SINGMATRIX
ERR_OUTMEM
ERR_NEGSIDES
ERR_BADWINDOW
ERR_NOOPENOBJ
ERR_NOFONTRAM
Version 1.0
,
qvaluator()
, and
unqkeyboard()
is equivalent to the old GL 1 command
Error number
IRIS WORKSTATION GUIDE
, and
qbutton()
. Similarly, the commands
qdevice()
have
1 You tried to invert a
singular matrix in one of
the
2 Out of memory. This can
occur for many reasons.
3 You tried to specify a
polygon with a negative
number of sides.
4 You
data
command.
5 You issued a display list
editing command, and
there was no object open
for editing.
6 You have run out of
space in the font ram.
You were probably trying
to define a new raster
font, texture, or cursor.
have been
qkeyboard()
been replaced
.
qkeyboard()
Description
commands.
mapw
gave impossible
to the
window()
159
by