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bug#20540: 25.0.50; Document tooltip woes, including `help-echo'
From: |
Eli Zaretskii |
Subject: |
bug#20540: 25.0.50; Document tooltip woes, including `help-echo' |
Date: |
Sun, 10 May 2015 18:26:47 +0300 |
> Date: Sun, 10 May 2015 07:36:25 -0700 (PDT)
> From: Drew Adams <drew.adams@oracle.com>
> Cc: 20540@debbugs.gnu.org
>
> > You've omitted the facts you've found, for some reason. That's a
> > bad idea: since no one really knows about these limitations,
>
> Someone who understands the code (C code, IIUC) can discover them.
Yes, but there are a lot of frame parameters; trying them one by one
is a lot of work.
Just by looking at the code, I see nothing special, except the obvious
omissions, such as scroll bars.
> > if you want to raise the chances that this bug report will be acted
> > upon, I urge you to describe everything you tried and found not to
> > work, so that whoever takes upon this task will have the "bread-crumbs"
> > to go by. Otherwise, researching this issue from scratch is an
> > unpleasant task that is unlikely to find its volunteer. Thanks.
>
> I'll try. But I don't have many such "facts".
Whatever you tried and saw failed will be helpful, TIA.
> I mention here some superficial tests I tried, in case it helps.
Thanks, it does help.
> > > Although `x-show-tip' seems to let you change the char size, color,
> > > background color, etc., and you can use property `display' with
> > > `help-echo',
>
> Do you need an example of using `display' with `help-echo'? I use
> a sexp like this for `help-echo' in dired+.el, to show a thumbnail
> preview of an image file on mouseover:
>
> (propertize " " 'display (create-image file))
This is good enough, thanks.