[Libreoffice-bugs] [Bug 65754] Alt+Tab Switching Icon Has Low Resolution and Lacks Transparency because _NET_WM_ICON is set to a 48x48 raster image

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=65754

Nate Graham  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Status|NEEDINFO|RESOLVED

--- Comment #18 from Nate Graham  ---
Confirmed that the problem is fixed with the KDE5 VCL and version 6.2.3.2! I
get the nice icon from the icon theme in my Large Icons task switcher now.

I'm using Manjaro with Plasma 5.15.5.

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[Libreoffice-bugs] [Bug 65754] Alt+Tab Switching Icon Has Low Resolution and Lacks Transparency because _NET_WM_ICON is set to a 48x48 raster image

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=65754

--- Comment #17 from Michael Weghorn  ---
Looking again at the screenshot in comment 10, this one was still using the
kde4 VCL plugin, which is no more on current master, so the hope is that the
described problem is gone as well. :)
Can anybody confirm this?

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[Libreoffice-bugs] [Bug 65754] Alt+Tab Switching Icon Has Low Resolution and Lacks Transparency because _NET_WM_ICON is set to a 48x48 raster image

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=65754

--- Comment #16 from Michael Weghorn  ---
(In reply to Michael Weghorn from comment #15)
> LibreOffice (available at  and co-installable as described at [3])?

That should have been: "available at [2]  and co-installable as described at
[3]"

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[Libreoffice-bugs] [Bug 65754] Alt+Tab Switching Icon Has Low Resolution and Lacks Transparency because _NET_WM_ICON is set to a 48x48 raster image

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=65754

Michael Weghorn  changed:

   What|Removed |Added

 Status|NEW |NEEDINFO

--- Comment #15 from Michael Weghorn  ---
I just tried to reproduce on Debian testing running Plasma with the Breeze
theme (plasma-desktop package at version 4:5.14.5.1-1) and am unable to do so
with the kde5 or gtk3 VCL plugins. Current LibreOffice master build used (as of
commit 425a570a114d9a087e5320f071604f64d43fcec1)

[To actually set up the icon-only task switcher, I had to: go to "System
Settings" -> "Task Switcher", click the star icon to open the "Get Hot New
Stuff" system settings module and install the "MediumRoundedDark" windows
switcher; then select "Large Icons".]

What Nate says about those icons being set in
'vcl/unx/generic/window/salframe.cxx' seems correct, **but** this is only
relevant if the gen/x11 VCL plugin is used, which is not really what want to
use anyway if you want a modern UI. :) If I use that VCL plugin (start
LibreOffice with 'SAL_USE_VCLPLUGIN=gen ./instdir/program/soffice --writer', I
can reproduce the issue, s. screenshot in attachment 151284.


However, if I use the gtk3 (SAL_USE_VCLPLUGIN=gtk3) or kde5 VCL plugin (default
on KDE Plasma), the icon looks nice, s. attachment 151285. 
As far as I can see, the icons are set in 'Qt5Frame::setIcon' using
'QWindow::setIcon' and it uses the icon from the icon theme [1], which for the
writer case would be:

QIcon aIcon = QIcon::fromTheme("libreoffice-writer");

The corresponding icon is located at
'/usr/share/icons/breeze/apps/48/libreoffice-writer.svg'. If I open that icon
using e.g. Inkscape, it looks the same as the icon in the task switcher in my
screenshot. Since it's an SVG icon, there shouldn't be any issues with scaling
etc.

The behaviour is the same as with the attached little sample program (
attachment 151286 ).


@Nate, or somebody else of those who are affected:
Can you still reproduce this issue with a current master build of LibreOffice
(available at  and co-installable as described at [3])?

If so:

1) Does it also happen with a clean user profile? (shouldn't play any role,
but...)
2) What distro are you using?
3) What Plasma theme?
4) What happens when using the attached sample program (attachment 151286)
instead of LibreOffice?
5) Can you attach an strace output?
6) Can you paste the version information from "Help" -> "About LibreOffice"?
7) Any other ideas what could be the reason?



[1]
https://cgit.freedesktop.org/libreoffice/core/tree/vcl/qt5/Qt5Frame.cxx?id=c1bcdf9aa5d8ea99435906ffa9787232a909ff0f#n309
[2] https://dev-builds.libreoffice.org/daily/master/
[3] https://wiki.documentfoundation.org/Installing_in_parallel/Linux

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[Libreoffice-bugs] [Bug 65754] Alt+Tab Switching Icon Has Low Resolution and Lacks Transparency because _NET_WM_ICON is set to a 48x48 raster image

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=65754

--- Comment #14 from Michael Weghorn  ---
Created attachment 151286
  --> https://bugs.documentfoundation.org/attachment.cgi?id=151286=edit
Small sample Qt application that shows the same behaviour

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[Libreoffice-bugs] [Bug 65754] Alt+Tab Switching Icon Has Low Resolution and Lacks Transparency because _NET_WM_ICON is set to a 48x48 raster image

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=65754

Michael Weghorn  changed:

   What|Removed |Added

 CC||m.wegh...@posteo.de

--- Comment #12 from Michael Weghorn  ---
Created attachment 151284
  --> https://bugs.documentfoundation.org/attachment.cgi?id=151284=edit
Screenshot when using gen/x11 VCL plugin

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[Libreoffice-bugs] [Bug 65754] Alt+Tab Switching Icon Has Low Resolution and Lacks Transparency because _NET_WM_ICON is set to a 48x48 raster image

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=65754

--- Comment #13 from Michael Weghorn  ---
Created attachment 151285
  --> https://bugs.documentfoundation.org/attachment.cgi?id=151285=edit
Screenshot when using kde5 VCL plugin

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[Libreoffice-bugs] [Bug 65754] Alt+Tab Switching Icon Has Low Resolution and Lacks Transparency because _NET_WM_ICON is set to a 48x48 raster image

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=65754

andreas_k  changed:

   What|Removed |Added

 Blocks|122245  |102495

--- Comment #11 from andreas_k  ---
can someone have a look how has experience with kde/qt desktop integration.

thanks


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=102495
[Bug 102495] [META] KDE VCL backend bugs and enhancements
https://bugs.documentfoundation.org/show_bug.cgi?id=122245
[Bug 122245] [META] Icon theme issues that need coding
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[Libreoffice-bugs] [Bug 65754] Alt+Tab Switching Icon Has Low Resolution and Lacks Transparency because _NET_WM_ICON is set to a 48x48 raster image

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=65754

andreas_k  changed:

   What|Removed |Added

 Blocks|106228  |122245


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=106228
[Bug 106228] [META] Icon theme issues
https://bugs.documentfoundation.org/show_bug.cgi?id=122245
[Bug 122245] [META] icon theme issues Code
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[Libreoffice-bugs] [Bug 65754] Alt+Tab Switching Icon Has Low Resolution and Lacks Transparency because _NET_WM_ICON is set to a 48x48 raster image

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=65754

--- Comment #10 from Nate Graham  ---
Created attachment 142638
  --> https://bugs.documentfoundation.org/attachment.cgi?id=142638=edit
Still a problem in today's daily build

Andreas, the problem isn't a lack of high resolution icons. The problem is that
the _NET_WM_ICON window property isn't set properly, so they don't get used. I
found the problem in vcl/unx/generic/window/salframe.cxx.

I can confirm that the problem remains with today's daily build. See the
attached screenshot.

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[Libreoffice-bugs] [Bug 65754] Alt+Tab Switching Icon Has Low Resolution and Lacks Transparency because _NET_WM_ICON is set to a 48x48 raster image

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=65754

--- Comment #9 from andreas_k  ---
LibreOffice use the mimetype icons from LibreOffice for switch windows or the
taskmanager.

The NEW LibreOffice icons are available in 16,22,24,32,48,64,128,256px size so
they should be shown.

Please check again with a master build
https://dev-builds.libreoffice.org/daily/master/

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[Libreoffice-bugs] [Bug 65754] Alt+Tab Switching Icon Has Low Resolution and Lacks Transparency because _NET_WM_ICON is set to a 48x48 raster image

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=65754

--- Comment #8 from Nate Graham  ---
Thanks, and sorry to be a pain in the butt!

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[Libreoffice-bugs] [Bug 65754] Alt+Tab Switching Icon Has Low Resolution and Lacks Transparency because _NET_WM_ICON is set to a 48x48 raster image

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=65754

Buovjaga  changed:

   What|Removed |Added

   Priority|low |medium

--- Comment #7 from Buovjaga  ---
Eh, OK, although I've wanted to keep at least some relative meaning to the
levels of priority and severity.

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[Libreoffice-bugs] [Bug 65754] Alt+Tab Switching Icon Has Low Resolution and Lacks Transparency because _NET_WM_ICON is set to a 48x48 raster image

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=65754

Nate Graham  changed:

   What|Removed |Added

 CC||todven...@suomi24.fi

--- Comment #6 from Nate Graham  ---
Buovjaga, could we get this bumped up in the priority list? It's a fairly
impatctful visual papercut in KDE Plasma for users of the popular Large Icons
task switcher. See the attached screenshots.

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[Libreoffice-bugs] [Bug 65754] Alt+Tab Switching Icon Has Low Resolution and Lacks Transparency because _NET_WM_ICON is set to a 48x48 raster image

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=65754

--- Comment #5 from Nate Graham  ---
Created attachment 139874
  --> https://bugs.documentfoundation.org/attachment.cgi?id=139874=edit
Ugly Icons in KDE Plasma Large Icons Task Switcher

Attaching a picture of how it looks in the KDE Plasma Large Icons Task
Switcher.

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[Libreoffice-bugs] [Bug 65754] Alt+Tab Switching Icon Has Low Resolution and Lacks Transparency because _NET_WM_ICON is set to a 48x48 raster image

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=65754

andreas_k  changed:

   What|Removed |Added

 CC||kain...@gmail.com

--- Comment #4 from andreas_k  ---
any idea how to fix this bug?

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[Libreoffice-bugs] [Bug 65754] Alt+Tab Switching Icon Has Low Resolution and Lacks Transparency because _NET_WM_ICON is set to a 48x48 raster image

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=65754

Nate Graham  changed:

   What|Removed |Added

 CC||pointedst...@zoho.com
Summary|Alt+Tab Switching Icon Has  |Alt+Tab Switching Icon Has
   |Low Resolution and Lacks|Low Resolution and Lacks
   |Transparency|Transparency because
   ||_NET_WM_ICON is set to a
   ||48x48 raster image

--- Comment #3 from Nate Graham  ---
Even using a distro package (e.g. libreoffice-kde) doesn't help in a KDE
environment, since under X11, KDE's window manager KWin always honors
_NET_WM_ICON instead of using the themed icons from the .desktop file. And in
vcl/unx/generic/window/salframe.cxx, LibreOffice sets _NET_WM_ICON to be a
really ugly, low-resolution icon.

It's particularly bad in Plasma, as the internal Breeze theme icon is just
wrong, too: https://bugsfiles.kde.org/attachment.cgi?id=105866 See
https://bugs.kde.org/show_bug.cgi?id=380508, particularly the picture:
https://bugsfiles.kde.org/attachment.cgi?id=105866

But regardless, this is 2017; _NET_WM_ICON shouldn't be set to a 48x48 raster
image. We can do better than that.

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