#479 limit no. of rows/columns for key placement

[Thomas Sefzick]

the number of rows for vertical alignment of keys
or
the number of columns for horizontal alignment of keys
may be limited with the new options
'set key maxrows' or 'set key maxcols', resp.
the limit is applied after gnuplot has calculated the number of rows/columns for screen filling key placement, but before calculating the optimal rows-columns layout.
'no. of rows/columns' <= 0 or 'auto' result in the well-known behaviour.
up to now the patch changes the key placement for 2d-graphs only.

[Thomas Sefzick]

file containing the patch

[Ethan Merritt]

Nice patch. I've added it to cvs for 4.5, and queued it for inclusion in 4.4.1 if no problems show up.

Note that when adding a new option like this, it needs to be handled by "save" as well as by "set" "unset" and "show".

[SourceForge Robot]

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