[Kwintv] Config dialog

[Dirk Ziegelmeier]

First step of the config dialog rework is ready.

Changes:

- Make plugins refcounted. This makes it possible to configure a plugin that 
is currently in use (and holds exclusive resources like /dev/mixer oder 
/dev/video).

- Add video config page.

- Add sound config page. Mixer plugins are now mutually exclusive (they have 
been in fact before, too since audiomanager uses first enabled plugin). 

- move options from "general" page to appropriate "sound" or "video" page.

- remove device page. It would only *really* work if the video plugin is 
dropped (neccessary to find all sources) which would make the picture page 
obsolete. We have the "Settings->Change Source" menu entry that works.

- remove video and mixer plugins tab from plugins page.

- it is immediately possible to configure a plugin, no need for 
enable->restart->configure any more (at least in video and sound pages)

- removal of several compiler warnings regarding member/parent class 
initialization order

- removal of a few other compiler warnings

- minor steps towards a common API for settings dialog pages (maybe adding 
config pages will get easier), but not implemented for general and picture 
page


I'd be glad if someone could try or at least review the patch before I apply 
it. It works fine for me, though.


Future plans:
- Import/Export for channels, removal of channel plugins tab
- Settingsdialog page management cleanup (if possible)


Have fun,
Dirk

--
Dirk Ziegelmeier * dirk at ziegelmeier.net * http://www.ziegelmeier.net






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