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Allow using faces for colors in vtable

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* doc/misc/vtable.texi (Making A Table): Adjust color documentation.
* lisp/emacs-lisp/vtable.el (make-vtable): Mix more.
(vtable--compute-colors): Mix both foreground and background colors.
(vtable--make-color-face, vtable--face-blend): New functions.
(vtable--insert-line): Adjust usage.
This commit is contained in:
Lars Ingebrigtsen 2022-04-15 11:46:40 +02:00
parent 2b92b57923
commit f36ff9da17
2 changed files with 51 additions and 18 deletions
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10
doc/misc/vtable.texi
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@ -392,16 +392,18 @@ If present, this should be a list of color names to be used as the
background color on the rows. If there are fewer colors here than
there are rows, the rows will be repeated. The most common use
case here is to have alternating background colors on the rows, so
this would usually be a list of two colors.
this would usually be a list of two colors. This can also be a list
of faces to be used.
@item :column-colors
If present, this should be a list of color names to be used as the
background color on the columns. If there are fewer colors here than
there are columns, the colors will be repeated. The most common use
case here is to have alternating background colors on the columns, so
this would usually be a list of two colors. If both
@code{:row-colors} and @code{:column-colors} is present, the colors
will be ``blended'' to produce the final colors in the table.
this would usually be a list of two colors. This can also be a list
of faces to be used. If both @code{:row-colors} and
@code{:column-colors} is present, the colors will be ``blended'' to
produce the final colors in the table.
@item :actions
This uses the same syntax as @code{define-keymap}, but doesn't refer