[Libreoffice-bugs] [Bug 100984] Combobox dropdown stays visible when focus changed to another application

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=100984

Jan-Marek Glogowski  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |NOTOURBUG

--- Comment #4 from Jan-Marek Glogowski  ---
This is AFAIK an unresolvable "bug" in X11. The problem is the way popup
(menus) or combo box dropdowns have to be implemented in X11. Wayland AFAIK
fixes this.

I'm just quoting from
https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/49579/comments/45

--8<-- Noël Köthe (noel) --8<-- 
when you open a menu of e.g. KDE konqueror, GNOME nautilus or firefox
then the screensaver wouldn't start in my tests. First I thought its
a KDE bug http://bugs.kde.org/show_bug.cgi?id=176637 but the same behaviour
can be reproduced with gnome.
Or if you open a pull down menu on a website with firefox/iceweasel the
screensaver will not start.
It is reproducible with installed gnome-screensaver and not installed
xscreensaver so I think its not xscreensaver specific.

If xscreensaver is used you can see the following:

xscreensaver reported the following lines when the timeout expired:
xscreensaver: 20:16:02: couldn't grab keyboard! (AlreadyGrabbed)
xscreensaver: 20:16:06: couldn't grab keyboard! (AlreadyGrabbed)
xscreensaver: 20:16:10: couldn't grab pointer! (AlreadyGrabbed)
xscreensaver: 20:16:10: unable to grab keyboard or mouse! Blanking aborted.

The source code comment says:

xscreensaver-5.07/driver/xscreensaver.c
...
  if (! blank_screen (si))
{
  /* We were unable to grab either the keyboard or mouse.
 This means we did not (and must not) blank the screen.
 If we were to blank the screen while some other program
 is holding both the mouse and keyboard grabbed, then
 we would never be able to un-blank it! We would never
 see any events, and the display would be wedged.

 So, just go around the loop again and wait for the
 next bout of idleness. (If the user remains idle, we
 will next try to blank the screen again in no more than
 60 seconds.)
  */

I don't know if opening a menu in an application grabs mouse and
keyboard.

this is answered by Michel in http://bugs.debian.org/514036

--8<-- Michel Dänzer
It does; it's the only way the menu can receive input events while the
pointer is outside of it. AFAIK this is a pretty deep X11 design issue,
so I'm afraid this can't be fixed easily. Feel free to bring it up
upstream though.
--8<--
--8<--

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[Libreoffice-bugs] [Bug 100984] Combobox dropdown stays visible when focus changed to another application

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=100984

Aron Budea  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
 CC||ba...@caesar.elte.hu
 Ever confirmed|0   |1

--- Comment #3 from Aron Budea  ---
This is interesting. I can always reproduce in Ubuntu 15.10 (Unity) with
5.1.4.2 and 5.2.0.3 using Alt+Tab.
I can often reproduce by clicking on a different application on the taskbar,
but not always, it's somewhat random. When it works fine, the first click
closes the dropdown.

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[Libreoffice-bugs] [Bug 100984] Combobox dropdown stays visible when focus changed to another application

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=100984

Ivan Katanović  changed:

   What|Removed |Added

 Status|NEEDINFO|UNCONFIRMED
 Ever confirmed|1   |0

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[Libreoffice-bugs] [Bug 100984] Combobox dropdown stays visible when focus changed to another application

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=100984

--- Comment #2 from Ivan Katanović  ---
After checking "OpenGL for all rendering" and "Force OpenGL even if
blacklisted" and restart, the problem still persist.

I can reproduce it on Ubuntu, Kubuntu and Fedora (KDE). Maybe it's a Linux
specific bug?

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[Libreoffice-bugs] [Bug 100984] Combobox dropdown stays visible when focus changed to another application

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=100984

m.a.riosv  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEEDINFO
 CC||miguelangelrv@libreoffice.o
   ||rg
 Ever confirmed|0   |1

--- Comment #1 from m.a.riosv  ---
Hi @Ivan, thanks for reporting.

I can't reproduce.
Win10x64
Version: 5.1.5.1 (x64) Build ID: bb431b2be5fb7772067efc27a3cc98b6927c7b4c
CPU Threads: 1; OS Version: Windows 6.19; UI Render: GL; 
Locale: es-ES (es_ES); Calc: CL

Please test changing the status for 'OpenGL for all rendering' in
Menu/Tools/Options/LibreOffice/View

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