More about "intents": Several improvements to desktop files and caches

Kevin Krammer krammer at
Mon Jan 6 07:31:59 PST 2014

On Sunday, 2014-01-05, 21:42:47, Ryan Lortie wrote:
> hi,
> On Sun, Jan 5, 2014, at 20:25, Jerome Leclanche wrote:
> > Problem #1
> > Apps cannot enumerate other apps of a specific type. A couple of
> It is my "intent" (ha...) to raise for a while that I want to introduce
> a new key to desktop files called "Implements".  There is already some
> discussion about that here:
> In terms of the desktop entry spec, such an addition would be extremely
> simple: we have a new 'string list' key called "Implements" with no
> particular meaning except that each entry in the list is expected to be
> in D-Bus interface name style.
> This would solve your "enumerate apps of a specific type" assuming that
> you have someone willing to specify, concretely, what it means to be a
> given type of application.  Taking your 'terminal emulator' example from
> another part of this mail, we could have an
> org.freedesktop.TerminalEmulator interface (that may not be an actual
> D-Bus interface) that specifies what you must do if you're a terminal
> emulator and what you can expect a terminal emulator to do if you find
> its desktop file via a lookup on
> "Implements=org.freedesktop.TerminalEmulator".
> *Often* this will imply that an application implements said interface on
> the same object path as the org.freedesktop.Application interface, but
> this is not a hard requirement.  I suspect it would be a recommendation,
> though.

Wouldn't it make more sense to be able to derive the object path from the 
This way an application which has multiple interfaces can implement them with 
different objects but could opt to just register the same object for multiple 

Having a fixed path makes the second case easier but the first hard or 


Kevin Krammer, KDE developer, xdg-utils developer
KDE user support, developer mentoring
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