Re: [O] How to dynamically change org-clock-mode-line-total?

[Marcin Borkowski]

On 2018-01-26, at 19:41, Nick Dokos <address@hidden> wrote:

> Marcin Borkowski <address@hidden> writes:
>
>> Hi all,
>>
>> I want to be able to dynamically switch between various settings of
>> org-clock-mode-line-total.  To this end, I wrote the following code.
>>
>> (setq org-clock-mode-line-total-settings
>>       '((current . "time spent in this chunk on the current task")
>>      (today . "time spent today on the current task")
>>      (all . "total time spent on the current task")))
>> (setq org-clock-mode-line-total-setting-number 0)
>>
>> (defun toggle-org-clock-mode-line-total-setting (setting-number)
>>   "Toggle between org-clock-mode-line-total settings.
>> With a numeric argument, use setting SETTING-NUMBER."
>>   (interactive "P")
>>   (if (numberp setting-number)
>>       (setq org-clock-mode-line-total-setting-number
>>          (mod setting-number (length org-clock-mode-line-total-settings)))
>>     (setq org-clock-mode-line-total-setting-number
>>        (mod (1+ org-clock-mode-line-total-setting-number)
>>             (length org-clock-mode-line-total-settings))))
>>   (let ((org-clock-mode-line-total-setting (nth 
>> org-clock-mode-line-total-setting-number
>>                                              
>> org-clock-mode-line-total-settings)))
>>     (setq org-clock-mode-line-total (car org-clock-mode-line-total-setting))
>>     (org-clock-update-mode-line)
>>     (message "Modeline shows %s."
>>           (cdr org-clock-mode-line-total-setting))))
>>
>> Unfortunately, it doesn't work.  I checked that the variable
>> org-clock-mode-line-total is modified correctly, but even after saying
>> (org-clock-update-mode-line), nothing gets updated.  Am I doing
>> something wrong?
>>
>
> AFAICT, org-clock-mode-line-total is not used by
> org-clock-update-mode-line at all.  It may be that the name of the
> variable is misleading. The only place I see it used is
> org-clock-get-sum-start.

Thanks, that helped!  It seems my function is now working (almost)
correctly, although it is now cargo cult programming - I don't really
understand what's going on here.  I'll try to make sense of it tomorrow,
now it's too late;-).

Best,

--
Marcin Borkowski