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\section{GUI Classes}
GUI elements should be provided for modifying records in a general way. The next sections
shows suggested widgets for this purpose.
\subsubsection{Recurrence Widget}
Opie PIM offers a recurrence widget to let the user
configure the recurrence.
\subsubsection{Mainwindow}
The mainwindow implements a QCOP interface for showing and
editing records. It can handle alarms and reminder activation.
\section{Cross Reference}
\subsection{The idea}
Sometimes a datebook-event or todo is related to something else.
For example, the birthday attribute of a child record relate
to the birthday event in a datebook and to the entry ``Book clown''
in your todolist.\\
We need a way to interconnect information to describe such relations.
\subsection{Selecting the Reference}
\subsubsection{Out Of Process Selection}
For an out of process solution, we could utilize the targeted
application to request the selection of an record.\\
For that to work we need to know which application offers
cross referencing. The API needs to be able to find the
application and then call them via QCOP.\\
Later, for resolving the cross-references, the same application\\
would be either asked to give a summary string or it could
display the reference on demand. This requires the application
to start a specific selection window, but more easily
allows to cross reference attributes. \comment{``, but..'' Das verstehe ich nicht!. Ich wuerde den Satz so uebersetzen:
Dies erfordert, dass die Application ein spezielles Auswahlfenster startet, aber viel einfacher die
Crossreferenzierung von Attributen erlaubt.
Meinst Du das ? }
\subsubsection{In-Process-Selection}
In-process-selection is possible using OPimBase
and OPimRecord. It allows to query and sort in a generic way.
This would allow to have a generic selector widget, which
can be used to select a record and possible files as well. To
support new types it should be possible to use plugins (via dlopen) do load
and support custom frontends.
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