KCM plugins

[Christoph Cullmann]

> Hey Alex,
> 
> are you registered to kdevelop-devel at kde.org? If not, please do so.
> 
> First up, many thanks to your recent contribution in regard to plugin loading
> via embedded JSON data vs. .desktop files. Last week, at this years Akademy
> conference, I chatted with David Faure about this topic a bit. I always
> wondered why we have our KCMs in plugins and he confirmed that is not
> required
> in our usecase. Probably this is some old code heritage.
> 
> So, if you want to continue to work in that regard on KDevelop, I'd greatly
> appreciate if you could take a look at getting rid of the plugin separation
> for KCM's. This should greatly cleanup our code base. What I have in mind is
> something along the following lines:
> 
> a) We have two places where we show KCMs currently:
>   1) In the global kdevelop settings dialog:
> 	UiController::showSettingsDialog
>   2) In the pre-project config dialog:
> 	ProjectContoller::projectConfig
> b) both currently use the plugin magic to show KCMs in a KSettings::Dialog.
> This will need to be refactored. Instead, we should aim for something similar
> to what KTextEditor is doing already, see e.g. src/dialoags/katedialogs.h and
> the inheritors of KateConfigPage/KTextEditor::ConfigPage. In general, we
> should try to mimick what Kate is doing currently. See
> kate/kate/src/kateconfigdialog & friends. This will allow us to have one
> unified "configure kdevelop" dialog that also shows the KTextEditor
> configuration pages.
> c) The existing KCM's will need to be thrown away, instead we probably want
> to
> extend the UIController to allow plugins to register per-project as well as
> global configuration pages.
> 
> This is quite some work. But I wanted to mention this as you where working on
> something in that regard. And note: If Alex doesn't want to do that, anyone
> else is invited to refactor our code in that regard!
Hi,

if you do that, perhaps just use the KTextEditor::ConfigPage, then you can
support KTextEditor::Editor (aka KatePart) and KTextEditor::Plugin config pages
with one go.

Greetings
Christoph

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