bug#73178: 31.0.50; [PATCH] Improve the widget to customize icon

[Mauro Aranda <maurooaranda@gmail.com>]

Eli Zaretskii <eliz@gnu.org> writes:

 >> Date: Wed, 8 Jan 2025 10:59:27 -0300
 >> Cc: Eli Zaretskii <eliz@gnu.org>
 >> From: Mauro Aranda <maurooaranda@gmail.com>
 >>
 >> David Ponce <da_vid@orange.fr> writes:
 >>
 >>  > On 11/09/2024 5:19 PM, David Ponce wrote:
 >>  >> Attached the correct patch.
 >>  >> Sorry
 >>  > Should be the good one this time.
 >>  > Sorry again.
 >>  >
 >>  > diff --git a/lisp/cus-edit.el b/lisp/cus-edit.el
 >>  > index 3ab5f11532e..fd790b18630 100644
 >>  > --- a/lisp/cus-edit.el
 >>  > +++ b/lisp/cus-edit.el
 >>  > @@ -5525,6 +5525,53 @@ custom-icon-extended-menu
 >>  >    "A menu for `custom-icon' widgets.
 >>  >  Used in `custom-icon-action' to show a menu to the user.")
 >>  >
 >>  > +(defconst custom-icon--images-sub-type
 >>  > +  '(list :format "%{%t%}:\n%v\n"
 >>  > +         :tag "Images"
 >>  > +         (const  :tag "" image)
 >>  > +         (repeat :tag "Values"
 >>  > +                 (string :tag "Image filename"))
 >>  > +         (plist  :tag "Image attributes")))
 >>  > +
 >>  > +(defconst custom-icon--emojis-sub-type
 >>  > +  '(list :format "%{%t%}:\n%v\n"
 >>  > +         :tag "Colorful Emojis"
 >>  > +         (const  :tag "" emoji)
 >>  > +         (repeat :tag "Values"
 >>  > +                 (string :tag "Emoji text"))
 >>  > +         (plist  :tag "Emoji text properties")))
 >>  > +
 >>  > +(defconst custom-icon--symbols-sub-type
 >>  > +  '(list :format "%{%t%}:\n%v\n"
 >>  > +         :tag "Monochrome Symbols"
 >>  > +         (const  :tag "" symbol)
 >>  > +         (repeat :tag "Values"
 >>  > +                 (string :tag "Symbol text"))
 >>  > +         (plist  :tag "Symbol text properties")))
 >>  > +
 >>  > +(defconst custom-icon--texts-sub-type
 >>  > +  '(list :format "%{%t%}:\n%v\n"
 >>  > +         :tag "Texts Only"
 >>  > +         (const  :tag "" text)
 >>  > +         (repeat :tag "Values"
 >>  > +                 (string :tag "Text"))
 >>  > +         (plist  :tag "Text properties")))
 >>  > +
 >>  > +(defconst custom-icon--type
 >>  > +  `(repeat :format ,(concat "%{%t%}"
 >>  > +                            (propertize ":" 'display "")
 >>  > +                            "\n\n%v%i\n")
 >>  > +           :tag "Icon elements:
 >>  > +- Only the first occurrence of a same element counts.
 >>  > +- Missing elements will take their default value.
 >>  > +- At least one element should be provided with a valid value."
 >>  > +    (choice :void ,custom-icon--texts-sub-type
 >>  > +            :extra-offset -3
 >>  > +            ,custom-icon--images-sub-type
 >>  > +            ,custom-icon--emojis-sub-type
 >>  > +            ,custom-icon--symbols-sub-type
 >>  > +            ,custom-icon--texts-sub-type)))
 >>  > +
 >>  >  (defun custom-icon-value-create (widget)
 >>  >    "Here is where you edit the icon's specification."
 >>  >    (custom-load-widget widget)
 >>  > @@ -5535,13 +5582,7 @@ custom-icon-value-create
 >>  >       (form (widget-get widget :custom-form))
 >>  >       (symbol (widget-get widget :value))
 >>  >       (tag (widget-get widget :tag))
 >>  > -     (type '(repeat
 >>  > -                 (list (choice (const :tag "Images" image)
 >>  > -                               (const :tag "Colorful Emojis" emoji)
 >>  > -                               (const :tag "Monochrome Symbols" 
symbol)
 >>  > -                               (const :tag "Text Only" text))
 >>  > -                       (repeat string)
 >>  > -                       plist)))
 >>  > +     (type custom-icon--type)
 >>  >       (prefix (widget-get widget :custom-prefix))
 >>  >       (last (widget-get widget :custom-last))
 >>  >       (style (widget-get widget :custom-style))
 >>
 >> I think this is an improvement.  Thanks David.
 >
 > Thanks for the review.
 >
 > I wanted to install this, but byte-compiler produces a warning:
 >
 >     ELC      cus-edit.elc
 >
 >   In toplevel form:
 >   cus-edit.el:5595:20: Warning: reference to free variable 
`custom-icon--texts-widget'
 >
 > Is that a typo, and you actually meant custom-icon--texts-sub-type?

There were typos in the first 2 patches David sent.  The last patch,
the one that ends with -V2, was good.  I think I quoted that one.