RE: imenu question (or an alternative)

[Drew Adams]

> The mode starts by putting the point on the "preferred" entry. This is
> nice, but then the imenu index starts only at that entry which makes the
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> whole which-function/imenu combination less useful than it might be.
> 
> Here's the mode's current definition with the go-to-issue code at the very
> end. FYI without those two lines, the Issues menu gets populated correctly.
> 
> (define-derived-mode issues-mode text-mode "issues"
>   "Major mode for files that might contain issues."
>   :keymap 'issues-mode-map
>   (make-local-variable 'beginning-of-defun-function)
>   (make-local-variable 'end-of-defun-function)
>   (setq beginning-of-defun-function 'iss-beginning-of-issue)
>   (setq end-of-defun-function 'iss-end-of-issue)
>   (setq imenu-create-index-function 'iss-mode-create-index)
>   (setq imenu-sort-function 'imenu--sort-by-position)
>   (unless which-function-mode
>     (require 'which-func)
>     (which-function-mode))
>   (imenu-add-to-menubar "Issues")
> 
>   (let ((issue (iss-get-issue-for-directory)))
>     (imenu issue)))
> 
> Is there a magic incantation that I don't know to make this do the right
> thing? (Is there an appropriate alternative to which-function/imenu?

FWIW, I don't quite follow you.  `(imenu ISSUE)' should just go to the
position specified by ISSUE.  In particular, it should not change what
is in the `Issues' menu.

What do you mean by "then the imenu index starts only at that entry"?
And by menu `Issues' not getting populated correctly?  Calling `imenu'
should not have any bearing on what gets populated to menu `Issues',
which is done by `imenu-add-to-menubar'.

Without really understanding your problem, I'd suggest using
`M-x debug-on-entry imenu-add-to-menubar', to see why `Issues' is
not being populated with what you think it should be.

Or if you think that it is the call to `imenu' that somehow screws
up the menu, then trace that through the debugger, to see just what
it is doing.