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bug#30074: 26.0; Add function(s) for current monitor info
From: |
Drew Adams |
Subject: |
bug#30074: 26.0; Add function(s) for current monitor info |
Date: |
Sun, 14 Jul 2019 15:07:57 -0700 (PDT) |
> > Please consider adding a function that returns the info describing the
> > monitor that dominates a frame (default: selected frame). In
> > particular, the size of the monitor. This can be useful, for example,
> > for positioning a frame when there are multiple monitors.
> >
> > I've been using this, but you might have a better implementation in
> > mind:
> >
> > (defun current-monitor (&optional frame)
> > "Attributes of monitor that dominates FRAME (default: `selected-frame')."
> > (catch 'current-monitor
> > (dolist (atts (display-monitor-attributes-list frame))
> > (when (member (or frame (selected-frame)) (cdr (assq 'frames atts)))
> > (throw 'current-monitor atts)))
> > nil)) ; Should never happen (?)
>
> I guess it's possible for a frame to be on several monitors? (Half on
> one and half on another.) What would this function return in that case?
I'm not in front of multiple monitors now. Perhaps
I can check later, when I am.
In any case, all we have, AFAIK, is
`display-monitor-attributes-list'. It decides what
it returns. Attribute `frames' is described thus:
"frames -- List of frames dominated by the physical monitor"
For the same frame to be "dominated" by more than
one monitor I would wonder what good the word
"dominated" could possibly do here. It suggests
that one of the monitors dominates a given frame.
Anyway, I'll try to remember to check, when I'm
in the presence of > 1 monitor, unless someone
beats me to it.
- bug#30074: 26.0; Add function(s) for current monitor info, Lars Ingebrigtsen, 2019/07/14
- bug#30074: 26.0; Add function(s) for current monitor info, Juri Linkov, 2019/07/14
- bug#30074: 26.0; Add function(s) for current monitor info, Lars Ingebrigtsen, 2019/07/15
- bug#30074: 26.0; Add function(s) for current monitor info, Andy Moreton, 2019/07/15
- bug#30074: 26.0; Add function(s) for current monitor info, Drew Adams, 2019/07/15
- bug#30074: 26.0; Add function(s) for current monitor info, Lars Ingebrigtsen, 2019/07/15
- bug#30074: 26.0; Add function(s) for current monitor info, Andy Moreton, 2019/07/15
bug#30074: 26.0; Add function(s) for current monitor info,
Drew Adams <=