[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: bug#22873: Can we support multiple Cursors?
From: |
Keith David Bershatsky |
Subject: |
Re: bug#22873: Can we support multiple Cursors? |
Date: |
Tue, 8 Mar 2016 22:45:43 -0800 |
Here is a duplicate copy of my recent e-mail and draft patch for the benefit of
the address@hidden
I will add address@hidden to my list of automatic carbon-copy replies.
Thanks,
Keith
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Begin forwarded message:
> From: Keith David Bershatsky <address@hidden>
> Date: March 8, 2016 10:27:02 PM PST
> To: Marcin Borkowski <address@hidden>, John Wiegley <address@hidden>, Richard
> Stallman <address@hidden>
> Cc: address@hidden
> Subject: Re: bug#22873: Can we support multiple Cursors?
>
> The second draft of the proposed feature for multiple fake cursors is
> attached. For the record, I'm not a programmer -- just a hobbyist -- and the
> draft patch is not meant to be a proposed official patch -- it is just a
> working proof concept. The patch contains a few extra things that I use for
> debugging and also for drawing my solid vertical line that tracks the cursor
> position. It has been tested to some extent on Emacs built for OSX 10.6.8
> and Windows XP (SP-3). Different colors for each fake cursor have already
> been implemented on Emacs for OSX, but I haven't yet looked into how to
> accomplish that objective on Emacs for Windows. The draft concept patch is
> for the master branch as of March 8, 2016 bearing commit
> "e0400b72a24d67b53f71c8b97915cae599e36c37". After applying the patch, the
> new feature can be tested as follows:
>
> (defun mc-test (&optional list)
> "Draw fake cursors at all POS defined in the `mc-list'."
> (interactive)
> (setq mc-list '(
> (3 "hbar" [1.0 0.0 0.0])
> (4 "bar" [0.0 1.0 0.0])
> (5 "box" [0.0 0.0 1.0])
> (6 "hollow" [1.0 1.0 1.0])
> (7 ("hbar" 3) [1.0 0.0 1.0])
> (8 ("bar" 3) [0.0 1.0 1.0]))))
>
> (global-set-key [f1] 'mc-test)
>
> To remove the cursors or change the cursors, just modify the buffer-local
> variable `mc-list' -- e.g., `(setq mc-list nil)` removes them all. The
> colors on OSX are the standard RGB color vector.
>
> Thank you, Marcin, for the referral to the ideit feature. I will certainly
> try that feature out in the next few days, but have been buried in life's
> daily activities and also in acquiring the necessary skills to implement the
> fake cursors feature.
>
> It sure would be great if a real programmer (instead of just a hobbyist like
> myself) could take this feature to the next level. If the Windows setup is
> anything similar to OSX, implementing colors should not be that difficult to
> achieve (at least I hope that is the case).
>
> I would like this feature to be similar to the original cursor such that a
> variable like `cursor-in-non-selected-windows' can be used to make the fake
> cursors displayed in only the selected window or in all windows where those
> points are visible. At the present time, I've set it up so that only the
> selected window receives the fake cursors (as that is my personal preference).
>
> Thank you for taking an interest in this potential new feature,
>
> Keith
>
> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>
> At Sat, 05 Mar 2016 07:59:52 +0100,
> Marcin Borkowski wrote:
>>
>> * * *
>>
>> Out of curiosity: did you try iedit? How does it compare wrt speed in
>> such extreme cases? (If it's applicable at all, that is - it's way
>> simpler than multiple-cursors, of course.)
>
multiple_cursors.diff
Description: application/diff
- Re: bug#22873: Can we support multiple Cursors?,
Keith David Bershatsky <=