Review Request: Use a custom property to define which property to for widgets inside KConfigDialog

[Michael Leupold]

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http://reviewboard.kde.org/r/442/
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Review request for kdelibs.


Summary
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When using KConfigDialog you're currently restricted to one property (USER) per widget. Deviating from that on a per-widget basis is not possible - the only thing you can do is add the property to use to KConfigDialogManager's static propertymap affecting all widgets of that class alike. Alternatively you could subclass the widget.

This patch makes it possible to define the "kcfg_property" property on a widget which is queried by KConfigDialogManager before resorting to propertymap and USER. It's convenient because it can be set using designer.

One possible use case (and why I came up with this) is KUrlRequester:
It is basically meant for input of a URL but it can be used for URL-or-anything-else as well. Using KConfigXT's Url type is not an option for those "anything-else" values (eg. an application with variables for commandline arguments like "/usr/bin/kwrite %u").

I contemplated implementing the same for the changed signals but think this is out of scope. After all the use-case is getting different representations of the data within a widget which is still considered to only have one "value".


Diffs
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  /trunk/KDE/kdelibs/kdeui/dialogs/kconfigdialogmanager.h 945602 
  /trunk/KDE/kdelibs/kdeui/dialogs/kconfigdialogmanager.cpp 945602 

Diff: http://reviewboard.kde.org/r/442/diff


Testing
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Thanks,

Michael