* x-popup-menu - window object
@ 2006-09-27 1:53 Tim Johnson
0 siblings, 0 replies; 5+ messages in thread
From: Tim Johnson @ 2006-09-27 1:53 UTC (permalink / raw)
Hi:
This works:
(x-popup-menu t '("Title" ("--" ("Line One" . 1))))
This:
(x-popup-menu
'((50 50) (selected-window)) '("Title" ("--" ("Line One" . 1))))
Throws the following:
Lisp error: (wrong-type-argument windowp (selected-window))
Documentation for x-popup-menu says
""" POSITION is a position specification. This is either a mouse button event
or a list ((XOFFSET YOFFSET) WINDOW) """
evaluating (windowp (selected-window)) returns t
So what is wrong the with the 'call' to selected-window?
Thanks
Tim
--
Tim Johnson <tim@johnsons-web.com>
http://www.alaska-internet-solutions.com
^ permalink raw reply [flat|nested] 5+ messages in thread
* x-popup-menu - window object
@ 2006-09-27 12:34 martin rudalics
2006-09-28 7:00 ` martin rudalics
[not found] ` <mailman.7528.1159426927.9609.help-gnu-emacs@gnu.org>
0 siblings, 2 replies; 5+ messages in thread
From: martin rudalics @ 2006-09-27 12:34 UTC (permalink / raw)
Cc: help-gnu-emacs
Try
(x-popup-menu
(list '(50 50) (selected-window)) '("Title" ("--" ("Line One" . 1))))
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: x-popup-menu - window object
[not found] <mailman.7492.1159360442.9609.help-gnu-emacs@gnu.org>
@ 2006-09-27 15:53 ` Tim Johnson
0 siblings, 0 replies; 5+ messages in thread
From: Tim Johnson @ 2006-09-27 15:53 UTC (permalink / raw)
On 2006-09-27, martin rudalics <rudalics@gmx.at> wrote:
Hello Martin:
> Try
>
> (x-popup-menu
> (list '(50 50) (selected-window)) '("Title" ("--" ("Line One" . 1))))
Yes. That works. In fact, some time after posting this thread, I
found this same solution after googling an example.
I guess I have a larger question:
When should one use 'list?
thank you
tim
--
Tim Johnson <tim@johnsons-web.com>
http://www.alaska-internet-solutions.com
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: x-popup-menu - window object
2006-09-27 12:34 x-popup-menu - window object martin rudalics
@ 2006-09-28 7:00 ` martin rudalics
[not found] ` <mailman.7528.1159426927.9609.help-gnu-emacs@gnu.org>
1 sibling, 0 replies; 5+ messages in thread
From: martin rudalics @ 2006-09-28 7:00 UTC (permalink / raw)
Cc: help-gnu-emacs
> I guess I have a larger question:
> When should one use 'list?
At the very moment, evaluating
'((50 50) (selected-window))
in buffer *scratch* gets me
((50 50) (selected-window))
while evaluating
(list '(50 50) (selected-window))
gets me
((50 50) #<window 42 on *scratch*>)
because in Elisp "cons evaluates its arguments" and `list' is based on
`cons'.
`x-popup-menu' expects, according to its doc-string, as first argument
something like "list ((XOFFSET YOFFSET) WINDOW)" where WINDOW denotes an
object of type window. In practice, this means that you have to find a
function (like `selected-window') that returns a window object and feed
`x-popup-menu' with the _return value_ of that function. It's not
sufficient to feed `x-popup-menu' just with the reference to a function
that would tell it how to find such a window.
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: x-popup-menu - window object
[not found] ` <mailman.7528.1159426927.9609.help-gnu-emacs@gnu.org>
@ 2006-09-28 15:52 ` Tim Johnson
0 siblings, 0 replies; 5+ messages in thread
From: Tim Johnson @ 2006-09-28 15:52 UTC (permalink / raw)
On 2006-09-28, martin rudalics <rudalics@gmx.at> wrote:
> > I guess I have a larger question:
> > When should one use 'list?
>
> At the very moment, evaluating
>
> '((50 50) (selected-window))
>
> in buffer *scratch* gets me
>
> ((50 50) (selected-window))
>
> while evaluating
>
> (list '(50 50) (selected-window))
>
> gets me
>
> ((50 50) #<window 42 on *scratch*>)
>
> because in Elisp "cons evaluates its arguments" and `list' is based on
> `cons'.
>
> `x-popup-menu' expects, according to its doc-string, as first argument
> something like "list ((XOFFSET YOFFSET) WINDOW)" where WINDOW denotes an
> object of type window. In practice, this means that you have to find a
> function (like `selected-window') that returns a window object and feed
> `x-popup-menu' with the _return value_ of that function. It's not
> sufficient to feed `x-popup-menu' just with the reference to a function
> that would tell it how to find such a window.
Hello martin:
Understood.
One should then consider using list when a function is passed.
thanks very much
tim
--
Tim Johnson <tim@johnsons-web.com>
http://www.alaska-internet-solutions.com
^ permalink raw reply [flat|nested] 5+ messages in thread
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2006-09-27 12:34 x-popup-menu - window object martin rudalics
2006-09-28 7:00 ` martin rudalics
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2006-09-28 15:52 ` Tim Johnson
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2006-09-27 15:53 ` Tim Johnson
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2006-09-27 1:53 Tim Johnson
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