在 2012年2月22日 星期三 10:45:13，Simone Gaiarin 写道：
> Thank you. The problem was that I didn't run the plasmoid on the same
> process.
>
> What can be the best way to store a KProcess to the dataengine?
> Idea 1:
> Subclass the DataContainer class and store the KProcess in that class,
> like the Executable dataEngine does. When the source is requested i
> use addSource().
> Idea 2:
> Store the Kprocess as a private member of the dataengine.
>
> When I ask for the Service, which is the best way to act on the KProcess?
> Can I create a method to get the KProcess from the datacontainer? Or
> this will break the semantic of the datacontainer, that is supposed to
> just listen to signal updateRequested().
>
> Example:
>
> serviceForSource(const QString &source)
> {
> container = query(source);
> pointerToProcess = container.getPointerToProcess();
> return new MyService(pointerToProcess,source);
> }
>
> The service will implement the operation "start" and "stop" that let
> to pause and resume the process.
>
I think you can put KProcess in the dataengine as private member, and operate
it only with dataengine service, not to direct get the pointer.What's your requirement by the way? I think there might be better solution for your idea.
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