[Bug-gnubg] Annoying popup when clicking through board designs

[Tom Martin]

The "Select new design and lose current changes?" prompt has been occurring for 
at least three years.  It only affects 2D designs and does not happen 100% of 
the time, although I've yet to determine a pattern for the few occasions when 
it correctly opens the design without comment. My workaround is to use two 
hands when perusing the boards but naturally that feels a little silly.

The introduction of 3D designs probably introduced this bug; I suspect it's 
just one of a few pointer problems that remain (mostly in the 2D code).  One 
that I haven't reported is when you make a change to a 2D board, it often 
prompts you with something like "OK to change <completely different board>?".  
The workaround for that is to open another board without losing any changes 
then reopen the board you were trying to change.    

Another unreported pointer problem occurs when changing a design from a painted 
board to a wooden one - it abends.  The workaround is to either create a new 
design or first open a 3D design and then edit the 2D design.  

Tom Martin

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