Paul Mackerras 9257d8f761 gitk: Compute row numbers and order tokens lazily ...

Instead of computing ordertok values and arc row numbers in
getcommitlines, this defers computing them until they are needed.
So getcommitlines no longer calls update_arcrows; instead it gets
called from rowofcommit and make_disporder.  Things that modify arcs
now call modify_arc instead of setting vtokmod/varcmod directly,
and modify_arc does the undolayout that used to be in update_arcrows.

Also, idcol and make_idlist now use a new ordertoken function instead
of the ordertok variable.  ordertoken uses ordertok as a cache, but
can itself compute the ordering tokens from scratch.  This means that
the ordering tokens (and hence the layout of the graph) is once again
determined by the topological ordering we put on the graph, not on the
order in which we see the commits from git log, which improves the
appearance of the graph.

Signed-off-by: Paul Mackerras <paulus@samba.org>

2007-12-11 10:45:38 +11:00

gitk

gitk: Compute row numbers and order tokens lazily

2007-12-11 10:45:38 +11:00

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