* bug#24090: 25.1; toggle-frame-fullscreen breaks UI features in Gnome
@ 2016-07-27 20:04 N. Jackson
2016-07-29 7:19 ` martin rudalics
0 siblings, 1 reply; 4+ messages in thread
From: N. Jackson @ 2016-07-27 20:04 UTC (permalink / raw)
To: 24090
With RC1 (from the tarball), when I have an Emacs frame in the
"fullscreen" state (using M-x toggle-frame-fullscreen RET) (i.e. the
frame fills my monitor and the title bar is hidden), two user interface
features in Gnome are broken. The two features are:
1) Normally, when I move my mouse cursor to the top of my display, the
Gnome top bar, which I keep hidden, drops down into view (in front of
all other windows).
2) Normally, when I move the mouse cursor to the top left corner of my
display (the "hot corner") a gallery of all my windows is shown and
various user interface features are provided for controlling the desktop
environment. (This "feature" is very annoying but I've never got around
to turning it off.)
The bug is that with an Emacs frame in the "fullscreen" state, nothing
in particular happens when I move my mouse cursor to the top of the
screen or to the top left corner.
This happens when the "fullscreen" Emacs frame is the active window in
Gnome, and also when a window of another application is the active
window if the window of the other application is not maximised. But if a
window of another application is active and maximised (i.e. is in front
of and hides the Emacs "fullscreen" frame), then the Gnome UI features
work as usual.
Here is a short recipe:
0. src/emacs -Q
1. M-x toggle-frame-fullscreen RET
2. Move mouse cursor to top of screen.
Note 1: This is not necessarily a new bug. I only learned yesterday of the
existence of the toggle-frame-fullscreen function; I've never tried it
in previous versions of Emacs. [Actually, I have heard of it but did
not realise that it hides the title bar, which is very useful behaviour
indeed.]
Note 2: The bug is not present when using toggle-frame-maximized.
Note 3: This is with Gnome version 3.18.2.
Please let me know if you need more information / testing.
N.
In GNU Emacs 25.1.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.18.9)
of 2016-07-24 built on moondust
Windowing system distributor 'Fedora Project', version 11.0.11803000
System Description: Fedora release 23 (Twenty Three)
Configured using:
'configure --prefix=/home/nlj/local/ --enable-checking=yes,glyphs
--enable-check-lisp-object-type 'CFLAGS=-O2 -g3 -gdwarf-4''
Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND DBUS GCONF GSETTINGS NOTIFY
ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB
TOOLKIT_SCROLL_BARS GTK3 X11
Important settings:
value of $LC_MONETARY: en_DK.utf8
value of $LC_NUMERIC: en_DK.utf8
value of $LC_TIME: en_DK.utf8
value of $LANG: en_CA.UTF-8
value of $XMODIFIERS: @im=ibus
locale-coding-system: utf-8-unix
Major mode: Group
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diff-auto-refine-mode: t
TeX-PDF-mode: t
shell-dirtrack-mode: t
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gnus-undo-mode: t
recentf-mode: t
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savehist-mode: t
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cua-mode: t
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global-eldoc-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
file-name-shadow-mode: t
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font-lock-mode: t
blink-cursor-mode: t
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Recent messages:
Reading active file via nnfolder...
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Type C-x 1 to delete the help window.
next-line: End of buffer
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^ permalink raw reply [flat|nested] 4+ messages in thread
* bug#24090: 25.1; toggle-frame-fullscreen breaks UI features in Gnome
2016-07-27 20:04 bug#24090: 25.1; toggle-frame-fullscreen breaks UI features in Gnome N. Jackson
@ 2016-07-29 7:19 ` martin rudalics
2016-07-29 15:01 ` N. Jackson
0 siblings, 1 reply; 4+ messages in thread
From: martin rudalics @ 2016-07-29 7:19 UTC (permalink / raw)
To: N. Jackson, 24090
> With RC1 (from the tarball), when I have an Emacs frame in the
> "fullscreen" state (using M-x toggle-frame-fullscreen RET) (i.e. the
> frame fills my monitor and the title bar is hidden), two user interface
> features in Gnome are broken. The two features are:
>
> 1) Normally, when I move my mouse cursor to the top of my display, the
> Gnome top bar, which I keep hidden, drops down into view (in front of
> all other windows).
>
> 2) Normally, when I move the mouse cursor to the top left corner of my
> display (the "hot corner") a gallery of all my windows is shown and
> various user interface features are provided for controlling the desktop
> environment. (This "feature" is very annoying but I've never got around
> to turning it off.)
>
> The bug is that with an Emacs frame in the "fullscreen" state, nothing
> in particular happens when I move my mouse cursor to the top of the
> screen or to the top left corner.
FWIW Gnome's top bar and your gallery of windows should be of type
_NET_WM_TYPE_DOCK and are therefore shown _below_ your Emacs 'fullboth'
frame which should be of type _NET_WM_STATE_FULLSCREEN. So I don't see
a bug here.
> This happens when the "fullscreen" Emacs frame is the active window in
> Gnome, and also when a window of another application is the active
> window if the window of the other application is not maximised. But if a
> window of another application is active and maximised (i.e. is in front
> of and hides the Emacs "fullscreen" frame), then the Gnome UI features
> work as usual.
Do other applications (e.g. Firefox after hitting F11) behave
differently when they are in fullscreen mode?
martin
^ permalink raw reply [flat|nested] 4+ messages in thread
* bug#24090: 25.1; toggle-frame-fullscreen breaks UI features in Gnome
2016-07-29 7:19 ` martin rudalics
@ 2016-07-29 15:01 ` N. Jackson
2016-07-30 12:30 ` martin rudalics
0 siblings, 1 reply; 4+ messages in thread
From: N. Jackson @ 2016-07-29 15:01 UTC (permalink / raw)
To: martin rudalics; +Cc: 24090
Hi Martin,
At 09:19 +0200 on Friday 2016-07-29, martin rudalics wrote:
>
> FWIW Gnome's top bar and your gallery of windows should be of type
> _NET_WM_TYPE_DOCK and are therefore shown _below_ your Emacs 'fullboth'
> frame which should be of type _NET_WM_STATE_FULLSCREEN. So I don't see
> a bug here.
The first time I read this, I thought you were saying that Gnome's top
bar was being displayed off the bottom edge of my monitor, but then I
realised that "below" probably means what I think of as "behind"! With
this piece of information things make sense.
[Well, I'm not sure that they make sense from a UI point of view, but
then not much in Gnome 3 does. However it seems that the behaviour is
consistent with the design.]
> Do other applications (e.g. Firefox after hitting F11) behave
> differently when they are in fullscreen mode?
Firefox is not a good choice for testing as it isn't a native
application and is also buggy when it comes to interaction with the top
bar.
I tried with the Gnome file manager Nautilus but it doesn't seem to be
capable of fullscreen display. (Which doesn't really surprise me as it
is a perfect example of neo-Gnomishness: It doesn't do much of
anything.)
I had better luck with Gnome Terminal, and confirmed that the behaviour
is as you describe.
So it seems that this is simply user error (or a user misunderstanding).
In using fullscreen mode, I used a feature that was not appropriate for
my use case. (I simply need a feature that hides the title bar.) So
please tag this `notabug' and close it.
Thanks and best regards,
N.
[Off I go to try playing with my configuration to so see if I can make
my frames slightly taller than my display so that the title bar is above
the top edge of my monitor.]
^ permalink raw reply [flat|nested] 4+ messages in thread
* bug#24090: 25.1; toggle-frame-fullscreen breaks UI features in Gnome
2016-07-29 15:01 ` N. Jackson
@ 2016-07-30 12:30 ` martin rudalics
0 siblings, 0 replies; 4+ messages in thread
From: martin rudalics @ 2016-07-30 12:30 UTC (permalink / raw)
To: N. Jackson; +Cc: 24090-done
> The first time I read this, I thought you were saying that Gnome's top
> bar was being displayed off the bottom edge of my monitor, but then I
> realised that "below" probably means what I think of as "behind"! With
> this piece of information things make sense.
Sorry - this is X11 parlance. I should have mentioned z-order.
> [Well, I'm not sure that they make sense from a UI point of view, but
> then not much in Gnome 3 does. However it seems that the behaviour is
> consistent with the design.]
Fullscreen is often used by gamers. They could possibly get distracted
by bars or icons popping up after they moved the mouse to certain parts
of their screen.
> So it seems that this is simply user error (or a user misunderstanding).
> In using fullscreen mode, I used a feature that was not appropriate for
> my use case. (I simply need a feature that hides the title bar.)
IIUC you usually cannot remove/add the title bar for an existing frame
on X.
> So
> please tag this `notabug' and close it.
I'm just closing it.
> [Off I go to try playing with my configuration to so see if I can make
> my frames slightly taller than my display so that the title bar is above
> the top edge of my monitor.]
I'm afraid your efforts will be wasted. Doing such a thing
programmatically usually fails just as often as it works.
martin
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2016-07-30 12:30 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-07-27 20:04 bug#24090: 25.1; toggle-frame-fullscreen breaks UI features in Gnome N. Jackson
2016-07-29 7:19 ` martin rudalics
2016-07-29 15:01 ` N. Jackson
2016-07-30 12:30 ` martin rudalics
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