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Re: Improving X selection?
From: |
Stefan Monnier |
Subject: |
Re: Improving X selection? |
Date: |
Thu, 07 Feb 2008 14:45:46 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.0.50 (gnu/linux) |
> Would be nice to find one that didn't induce an extra hyphen is all -
> interprogram-cut-function
> interprogram-paste-function
> interprogram-highlight-function
> interprogram-highlight-insert-function
The name "interprogram-highlight-function" sounds wrong: the user does
not highlight the text, she selects it (the highlighting is done by the
application to help the user figure out what is selected). So I suggest
`interprogram-select-function' for it. For the last one, I suggest we
use `interprogram-insert-function', tho I'm not completely sure
I understand what it's intended to do.
The following is some random analysis of the situation, for my
own good.
>From what I can tell, there are 4 kinds of selections:
- C-SPC + mouse movement. I.e. select-only.
- same plus C-w.
- selection with the mouse.
- one of the above plus "copy" from the menu.
No 4 should always use the CLIPBOARD.
No 3 should always use the PRIMARY (plus optionally CLIPBOARD)
No 2 may optionally use PRIMARY (plus optionally CLIPBOARD)
No 1 should use neither or at most PRIMARY.
I believe that currently No 2 and No 3 are always handled in the same
way, and I don't know if we want to bother separating them.
I also believe that the use of CLIPBOARD for 2 and 3 depends on
x-select-enable-clipboard.
You're suggesting to allow PRIMARY for No 1 via `select-active-regions'?
Oh, I see it already exists, so you're just trying to fix it so it
works more reliably, is that right?
Why do you need `interprogram-highlight-function'? Can't you just use
(let ((x-select-enable-clipboard nil))
(kill-ring-save beg end))
like clipboard-kill-ring-save does?
On the lighins side, I understand even less why there's a need for
interprogram-highlight-insert-function. We have 3 different situations:
- C-y
- mouse-2
- "Paste" from the menu
For all three cases, the first question is "where does the text come from":
No 3 should always use the CLIPBOARD then PRIMARY then kill ring.
No 2 should use the CLIPBOARD only if x-select-enable-clipboard is set.
No 1 is identical except it may also not check PRIMARY either.
In all 3 cases a further question is: if the yanked text comes from the
CLIPBOARD or the PRIMARY, should the text be added to the kill-ring?
This last question is the one you seem to want to address, but I don't
see why you need interprogram-highlight-insert-function for it, instead
of just a boolean config var. And to be honest: I doubt that there's
enough of a need for this level of control to justify its introduction;
it's easy enough to use M-y to get back to the previous item.
This said, if we introduce such a "copy-interprogram-text-to-kill-ring"
config var, we could give it 3 values: either the kill-ring is never
affected, or the kill-ring is filled from CLIPBOARD/PRIMARY upon yank,
or the kill-ring is not only filled upon yank but also upon kill
(that's a patch I suggested a few months back: before pushing something
to the CLIPBOARD/PRIMARY, check the previous value, and if it's not
ours, stash it in kill-ring, thus integrating the kill-ring with the
PRIMARY/CLIPBOARD even more tightly).
Stefan
- Re: Improving X selection?, (continued)
- Re: Improving X selection?, David De La Harpe Golden, 2008/02/07
- Re: Improving X selection?, Stefan Monnier, 2008/02/07
- Re: Improving X selection?, Stefan Monnier, 2008/02/07
- Re: Improving X selection?, David De La Harpe Golden, 2008/02/07
- Re: Improving X selection?, Stephen J. Turnbull, 2008/02/07
- Re: Improving X selection?, David De La Harpe Golden, 2008/02/07
- Re: Improving X selection?, Stephen J. Turnbull, 2008/02/07
- Re: Improving X selection?, Miles Bader, 2008/02/07
- Re: Improving X selection?, David De La Harpe Golden, 2008/02/07
- Re: Improving X selection?, David De La Harpe Golden, 2008/02/07
- Re: Improving X selection?,
Stefan Monnier <=
- Re: Improving X selection?, David De La Harpe Golden, 2008/02/07
- Re: Improving X selection?, Stephen J. Turnbull, 2008/02/07
- Re: Improving X selection?, David De La Harpe Golden, 2008/02/07
- Re: Improving X selection?, Stephen J. Turnbull, 2008/02/07
- Re: Improving X selection?, David De La Harpe Golden, 2008/02/07
- Re: Improving X selection?, Stefan Monnier, 2008/02/07
- Re: Improving X selection?, David De La Harpe Golden, 2008/02/07
- OT [was Re: Improving X selection?], Tom Horsley, 2008/02/08
- Re: OT [was Re: Improving X selection?], David De La Harpe Golden, 2008/02/08
- Re: OT, Stefan Monnier, 2008/02/08