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Menu-Choose Printer problem; Execute-Frame-Command doc
Date: Tue, 23 Oct 90 06:28 PDT
From: TYSON@sunset.ai.sri.com (Mabry Tyson)
Franz 0.9:
While EXECUTE-FRAME-COMMAND is documented under Application Frames on p.105,
it would be nice if it was also documented under the Command Processor.
I have functions that would like to execute commands but I don't really think
of that as being intrinsically tied to the frame. (So why do you have only a
EXECUTE-FRAME-COMMAND and not a EXECUTE-COMMAND?)
The doc request is noted.
EXECUTE-COMMAND, by the way, is just (apply (first command) (rest command)). I
suppose that functionality could be packaged. EXECUTE-FRAME-COMMAND exists
because it provides a useful place to hook additional functionality. Suppose
the frame wants to do other things each time a command is executed...
MENU-CHOOSE is documented as taking a :PRINTER keyword which takes a
function that has an object and a stream as its args. I believe I
already expressed my confusion over the docs as to what the "object" is.
It did turn out to be elements of item-list, not some portion of those
elements. However, it appears that function is getting passed the wrong
stream. I dutifully printed to the stream argument and saw my output
come out on the Interactor pane of the frame and then it died under
CI::DRAW-STANDARD-MENU as the FORMATTING-LIST stuff had zero rows and
zero columns of output (to the correct stream) and so divided by 0.
Can you put your call to MENU-CHOOSE inside a binding of CLIM-UTILS:*ORIGINAL-STREAM*
and CLIM-UTILS:*OUTER-SELF* to NIL? [Don't ask.] Let me know if the problem goes
away and I'll fix MENU-CHOOSE appropriately.
0,,
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