GNU bug report logs - #31880
26.1; VC mode line popup when clicked is off screen

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Package: emacs;

Reported by: Brian Zwahr <echosa <at> echosa.net>

Date: Mon, 18 Jun 2018 15:00:02 UTC

Severity: minor

Found in version 26.1

Done: Robert Pluim <rpluim <at> gmail.com>

Bug is archived. No further changes may be made.

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Message #26 received at 31880 <at> debbugs.gnu.org (full text, mbox):

From: martin rudalics <rudalics <at> gmx.at>
To: Robert Pluim <rpluim <at> gmail.com>
Cc: Brian Zwahr <echosa <at> echosa.net>, 31880 <at> debbugs.gnu.org
Subject: Re: bug#31880: 26.1; VC mode line popup when clicked is off screen
Date: Thu, 21 Jun 2018 09:15:31 +0200

> Yet another instance of a disagreement between how GTK and X calculate
> pixels. Who will rid me of this turbulent mix?

In xg_show_tooltip we have

      gtk_window_move (x->ttip_window, root_x / xg_get_scale (f),
		       root_y / xg_get_scale (f));

I suppose this is TRT with a scaled display because root_x and root_y
are unscaled and hence we have to scale them to get the appropriate
coordinates for scaled displays.  Right?

Then what happens when we turn off GTK tooltips on a scaled display by
setting 'x-gtk-use-system-tooltips' to nil?  IIUC the tooltip will now
appear at the "wrong" position.  Or am I missing something?

martin
This bug report was last modified 6 years and 330 days ago.

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