This task is about how to present static override in our UI.
Current Situation
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{F1331522, layout=right, float, size=full}
In picture to the right: Location is overridden, Rotation and Scale are overridable but not overridden, everything else is not overridable.
Once you have created a local override of a linked data-block, that override data-block will show its properties either greyed-out (as when linked, meaning you cannot override them), normally shaded (meaning you can edit them, but currently they are not overridden), and in a new style-defined color (meaning that property is overridden from source linked data).
This is similar to the animated/driven coloring system. Note that animated/driven have priority over overridden status, since they effectively cancel any static override (animation and drivers can be seen as a specific case of dynamic override ;) ).
User can control overriding of properties from the RMB-menu, again in a similar way as animations/drivers are controlled.
TODOs
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So far there is no feedback about overriding in Outliner, this we'll most likely want to add at some point. Not sure how high priority it is though.
Open Questions
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Mostly to the #user_interface team: do you think current system for user feedback (the coloring of whole prop) is good? Or do you see some crucial missing feature, or bad design, or…
E.g. maybe a single colored bar or frame would be better than full color of the widget, that would e.g. allow to display overridden and animated status at the same time - would this be really needed?
Also, do we want to convey somehow in UI the type of overriding (replacing, differential, etc.), or are we fine with having those info only in the RMB-menu?