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Re: Run-time expression eval in text fields

 

Jeff,

Adding separate field locations for each symbol unit requires a symbol
library file format change which is going to happen after v5 is
released.  Please do not change any of this code because it will just
get replaced when this occurs.

Cheers,

Wayne

On 1/17/2018 12:27 PM, Jeff Young wrote:
> There’s a bug[1] that complains that the user can’t reposition a reference or value differently for different units that might be different sizes.  (You can do this on the eeschema canvas, but not in the library, so you have to do it each time you use one of the units.)
> 
> It occurred to me that one could accomplish this using existing stuff if we had a (very simple) evaluator for text fields at runtime.  They could then add a text field to their units (marked shared-between-units or not as required), and set the value to something like “%REF” or “%VALUE”.  The expression evaluator could even be as simple as doing those two replacements, or maybe looking up any field value or something.
> 
> Anyway, I’m not sure this issue warrants it, but if it had other uses it might be worth doing (whereas adding separate REF and VALUE fields per unit and giving them shared-between-units flags, etc., would be more work than this bug probably warrants).
> 
> Thoughts?
> 
> [1] https://bugs.launchpad.net/kicad/+bug/1334502
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