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Re: Suggestion: A fringe indicator that shows the last/first line before
From: |
Stefan Monnier |
Subject: |
Re: Suggestion: A fringe indicator that shows the last/first line before scrolling |
Date: |
Thu, 28 Feb 2008 23:33:40 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) |
>> It's neither. It's just the result of how the code is written: there's
>> only one command (the mouse-drag) which happens to read several
>> events waiting for the event that marks the end of the drag.
> What events actually terminate the drag ? Martin said it was in
That is yet-another-problem due to the way the code is written.
Actually this part of the mouse-drag is really ugly. When the drag
ends, the command doesn't end: it waits for the next event (i.e. the
next command). This is because it want to know if the next event is one
of mouse-region-delete-keys.
I hope we can get rid of this madness at some point. E.g. by (re)using
the delete-selection-code for this feature.
>> There are other cases where scrolling can happen without running
>> post-command-hook, e.g. scrolling triggered by process filters
>> (e.g. scrolling in the *compilation* buffer or in tail-mode buffers).
> Fair enough - means post-command-hook is a nonstarter like it was for
> point movements.
Not really. It just means it will only work 99%.
For a more reliable result you'll probably want/need to hack the C code
to introduce some kind of pre-redisplay-hook, since what you're looking
for is linked to the display changes rather than to execution of commands.
Stefan
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, (continued)
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, Lennart Borgman (gmail), 2008/02/28
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, David De La Harpe Golden, 2008/02/28
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, Lennart Borgman (gmail), 2008/02/28
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, David De La Harpe Golden, 2008/02/28
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, Lennart Borgman (gmail), 2008/02/28
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, David De La Harpe Golden, 2008/02/28
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, Lennart Borgman (gmail), 2008/02/28
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, David De La Harpe Golden, 2008/02/28
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, Stefan Monnier, 2008/02/28
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, David De La Harpe Golden, 2008/02/28
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling,
Stefan Monnier <=
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, David De La Harpe Golden, 2008/02/29
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, David De La Harpe Golden, 2008/02/29
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, David De La Harpe Golden, 2008/02/29
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, Lennart Borgman (gmail), 2008/02/29
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, David De La Harpe Golden, 2008/02/29
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, Lennart Borgman (gmail), 2008/02/29
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, David De La Harpe Golden, 2008/02/29
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, David De La Harpe Golden, 2008/02/29
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, Lennart Borgman (gmail), 2008/02/29
- Re: Suggestion: A fringe indicator that shows the last/first line before scrolling, David De La Harpe Golden, 2008/02/29