I am debugging the register code and trying to figure out why bogus message
boxes can appear, and also why crashes occur in certain cases. I believe
that I've figured it out the sources of these problems, but I have a
background question to ask before proceeding with a fix.
These problems seem to stem from the way that the "pending_trans_guid" is
used when entering a brand new transaction. Can anyone explain the intended
use of pending_trans_guid where new transactions are concerned?
I came across some comments in split-register-load.c which appear to shed
some light. When the bottom line of the register is created (where the user
would start entering a new transaction), a new transaction with a single
blank split is tied to it but not marked pending:
/* We don't want to commit this transaction yet, because the split
doesn't even belong to an account yet. But, we don't want to
set this transaction as the pending transaction either, because
we want to pretend that it hasn't been changed. We depend on
some other code (somewhere) to commit this transaction if we
really edit it, even though it's not marked as the pending
transaction. */
So it seems the intention is to never mark a brand-new transaction as the
pending transaction. Yet a few routines DO set the brand-new transaction as
pending, such as the autocompletion routine
gnc_split_register_auto_completion() in split-register-control.c, and a
couple of other routines that perform split deletion.
So does anyone know why some forms of editing (autocompletion, deleting a
split) cause the brand-new transaction to be marked as pending, while all
others, including the typical practice of simply typing a transaction in, do
not?
What is the correct practice?
Cheers,
Charles
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