PS:
I wrote:
> ----------------------+---------------------------------------------------
> GTK+ (2 or 3) | You must use Canonical's libappindicator, which is
> | interoperable with the KDE implementation. It is
> | already packaged in Fedora. Several GTK+ packages
> | already support it, for those, it is only a matter
> | of adding the BuildRequires (libappindicator-devel
> | for GTK+ 2, libappindicator-gtk3-devel for GTK+
> | 3). For some others, patches to add
> | libappindicator support are available from Ubuntu.
> ----------------------+---------------------------------------------------
By the way, it cannot hurt to enable support for libappindicator NOW. This
will, in fact, improve the integration into the current KDE Plasma
Workspaces (which have been supporting the new status notifier protocol for
a long time now) in several ways:
* The icons are a lot less likely to be subject to flicker and other
graphical glitches than with XEmbed.
* The icons can be rescaled to a different size. Starting from kde-workspace
4.11.6, Plasma now supports high-DPI displays by making system tray icons
larger than the legacy 24 pixels on such displays. This only works with
the new protocol, legacy XEmbed icons can only be centered in the larger
square and will look ugly and hard to decipher on high-DPI displays.
* The icons can be themed by the Plasma theme. The default Plasma theme
contains monochromatic ("symbolic") versions of the system tray icons it
knows (similar to the icon style used in GNOME Shell's top panel). More
such themed icons can be added, and different Plasma themes can theme them
differently. (Some of the themes on kde-look.org include their own themed
system tray icons, and I uploaded a set of converted Oxygen icons to
kde-look.org that can be used with any Plasma theme for those who prefer
colored system tray icons.) If no themed icon is found in the Plasma
theme, the icon is looked up in the freedesktop.org icon theme, which is
where the legacy XEmbed system tray icons typically take their icons from,
so even in that worst case, it will look no worse than before.
Enabling support for libappindicator right now should also have no negative
effects on any other desktop, because it also supports the legacy XEmbed
protocol.
Kevin Kofler
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