[neomutt-devel] Header::collapsed and single message

[Richard Russon]

Hi Floyd,

Sorry for the slow reply

> Currently I’m trying to figure out why OP_JUMP doesn’t work as expected

OK, I've had a quick look.

The Context holds an array of Headers

Context:
  struct Header **hdrs; // One for each email
  int msgcount;         // this many
  int vcount;           // number *visible* in the index
                        // collapsed aren't counted
  int *v2r;             // lookup table from *visible* to *real*

Header:
  bool collapsed : 1;   // part of a collapsed thread?
  int virtual;          // our virtual message number

menu->current           // current virtual message

The user types in NUMBER

// Find the parent of this real message
int msg = mutt_parent_message(Context, Context->hdrs[NUMBER], 1);
// Convert virtual to a real message
msg = Context->v2r[msg];
// Forcibly open that thread
mutt_uncollapse_thread(Context, Context->hdrs[msg]);
// Recalculate the virtual message numbers
mutt_set_virtual(Context);

I've put a proof-of-concent in branch [devel/jump].

There's no error checking and it might the wrong solution in the wrong
place.  But, it works.

Cheers,
    Rich / FlatCap
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