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* Printing coloured strings in help-buffer
@ 2024-04-13 22:20 Heime
  2024-04-13 23:21 ` Heime
  0 siblings, 1 reply; 3+ messages in thread
From: Heime @ 2024-04-13 22:20 UTC (permalink / raw)
  To: Heime via Users list for the GNU Emacs text editor

How can I print text with colour?   Have made the following and want
vcname and vcfile to print in colour, in the help buffer.


(defun gali-intro (vcname vcfile)
  "TODO"

  (princ
    (concat
     "`" vcname "' is a variable defined in `" vcfile "'.\n\n"
     "Its description is shown below.\n\n")) )

(defun gali-vconst ()
  (with-help-window (help-buffer)
    (gali-intro "gali-minicompl" "gali.el" )))




^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: Printing coloured strings in help-buffer
  2024-04-13 22:20 Printing coloured strings in help-buffer Heime
@ 2024-04-13 23:21 ` Heime
  2024-04-14  6:55   ` Bruno Barbier
  0 siblings, 1 reply; 3+ messages in thread
From: Heime @ 2024-04-13 23:21 UTC (permalink / raw)
  To: Heime; +Cc: Heime via Users list for the GNU Emacs text editor






Sent with Proton Mail secure email.

On Sunday, April 14th, 2024 at 10:20 AM, Heime <heimeborgia@protonmail.com> wrote:

> How can I print text with colour? Have made the following and want
> vcname and vcfile to print in colour, in the help buffer.
> 
> 
> (defun gali-intro (vcname vcfile)
> "TODO"
> 
> (princ
> (concat
> "`" vcname "' is a variable defined in` " vcfile "'.\n\n"
> "Its description is shown below.\n\n")) )
> 
> (defun gali-vconst ()
> (with-help-window (help-buffer)
> (gali-intro "gali-minicompl" "gali.el" )))

Have made the following test but the colour is not being activated

(defun sangali-defcon (vcname color)
  (insert (propertize vcname 'face '(:foreground color))) )






^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: Printing coloured strings in help-buffer
  2024-04-13 23:21 ` Heime
@ 2024-04-14  6:55   ` Bruno Barbier
  0 siblings, 0 replies; 3+ messages in thread
From: Bruno Barbier @ 2024-04-14  6:55 UTC (permalink / raw)
  To: Heime, Heime; +Cc: Heime via Users list for the GNU Emacs text editor

Heime <heimeborgia@protonmail.com> writes:

> Sent with Proton Mail secure email.
>
> On Sunday, April 14th, 2024 at 10:20 AM, Heime <heimeborgia@protonmail.com> wrote:
>
>> How can I print text with colour? Have made the following and want
>> vcname and vcfile to print in colour, in the help buffer.
>> 
>> 
>> (defun gali-intro (vcname vcfile)
>> "TODO"
>> 
>> (princ
>> (concat
>> "`" vcname "' is a variable defined in` " vcfile "'.\n\n"
>> "Its description is shown below.\n\n")) )
>> 
>> (defun gali-vconst ()
>> (with-help-window (help-buffer)
>> (gali-intro "gali-minicompl" "gali.el" )))
>
> Have made the following test but the colour is not being activated
>
> (defun sangali-defcon (vcname color)
>   (insert (propertize vcname 'face '(:foreground color))) )

If Font Lock mode is enabled, you need to use 'font-lock-face, see:
   (info "(elisp) Special Properties")

The following works for me, in the scratch buffer:
  (with-current-buffer "*scratch*"
   (insert (propertize "hello" 'font-lock-face '(:foreground "blue"))))

You can check what face is applied, calling `describe-char'.

Bruno



^ permalink raw reply	[flat|nested] 3+ messages in thread

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2024-04-13 22:20 Printing coloured strings in help-buffer Heime
2024-04-13 23:21 ` Heime
2024-04-14  6:55   ` Bruno Barbier

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