* "`read-from-buffer'" functionality
@ 2005-03-06 2:12 Joe Corneli
0 siblings, 0 replies; 3+ messages in thread
From: Joe Corneli @ 2005-03-06 2:12 UTC (permalink / raw)
I would like to get user input in the form of text from a new buffer.
(w3 does something like this when you edit a text form.)
There doesn't seem to be a built-in function for popping to the new
buffer, waiting until C-c C-c is pressed (say), and then returning the
buffer's contents as a string.
Presumably that means it isn't too hard to code this using more basic
functions, but user input on a whole is new to me and I was wondering
if anyone with more experience in these matters could give me some
tips.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: "`read-from-buffer'" functionality
[not found] <mailman.2728.1110077590.32256.help-gnu-emacs@gnu.org>
@ 2005-03-06 12:08 ` Thien-Thi Nguyen
2005-03-06 20:51 ` Joe Corneli
0 siblings, 1 reply; 3+ messages in thread
From: Thien-Thi Nguyen @ 2005-03-06 12:08 UTC (permalink / raw)
Joe Corneli <jcorneli@math.utexas.edu> writes:
> some
> tips.
look at `vc-toggle-read-only' flow for an example.
the key thing to keep in mind is to avoid completely
"modal" interaction; you should not prohibit changing
buffers and returning later to complete the input.
here is an application that doesn't follow this advice:
http://www.glug.org/people/ttn/software/etrack/
(see file etrack.el from the tarball.) the result is
that it is not easily integrable w/ other packages,
and an errant C-g is enough to confuse the program.
another input-gathering paradigm is manifested by:
http://www.glug.org/people/ttn/software/edb/
wherein you find relatively clean separation between
elisp objects, print representation, and storage (on
disk) representation, as well as a forms-oriented
input mechanism. (see also forms.el, which EDB will
probably move towards using internally in the future.)
thi
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: "`read-from-buffer'" functionality
2005-03-06 12:08 ` Thien-Thi Nguyen
@ 2005-03-06 20:51 ` Joe Corneli
0 siblings, 0 replies; 3+ messages in thread
From: Joe Corneli @ 2005-03-06 20:51 UTC (permalink / raw)
I wrote something that seems to work using `recursive-edit' - given
the words against this approach in the elisp manual presumably this is
not the best. But I'll post to gnu-emacs-sources soon & that will
make the discussion more concrete.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2005-03-06 2:12 "`read-from-buffer'" functionality Joe Corneli
[not found] <mailman.2728.1110077590.32256.help-gnu-emacs@gnu.org>
2005-03-06 12:08 ` Thien-Thi Nguyen
2005-03-06 20:51 ` Joe Corneli
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