jessieh/mood-line
jessieh/mood-line
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Rework mood-line-defformat macro to use plist

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This commit is contained in:
Jessie Hildebrandt 2023-11-21 16:45:34 -05:00
parent 78925bdb72
commit b5551105d4
2 changed files with 30 additions and 28 deletions
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10
README.md
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@ -60,17 +60,15 @@ mood-line uses a modular segment format, and it is easy to reconfigure:
;; * init.el : ELisp Top 4:32 | ! Issues: 2
(setq mood-line-format
(mood-line-defformat
;; Left side
(" "
((mood-line-segment-buffer-status) . " ")
:left
(((mood-line-segment-buffer-status) . " ")
((mood-line-segment-buffer-name) . " : ")
(mood-line-segment-major-mode))
;; Right side
:right
(((mood-line-segment-scroll) . " ")
((mood-line-segment-cursor-position) . " ")
((when (mood-line-segment-checker) "|") . " ")
((mood-line-segment-checker) . " ")
" ")))
((mood-line-segment-checker) . " "))))
```
More information on the format specification is available in the documentation: \

48
mood-line.el
View File

@ -92,8 +92,8 @@ If NAME is already bound, this does nothing."
(require (quote ,module))
(apply (function ,name) args))))
(defmacro mood-line-defformat (left &optional right)
"Format LEFT and RIGHT segment lists as a `mood-line-format' sequence.
(defmacro mood-line-defformat (&rest spec)
"Format :left and :right segment lists of plist SPEC for `mood-line-format'.
A segment may be a string, a cons cell of the form (FUNCTION . SEPARATOR),
or any expression that evaluates to a string or nil.
@ -105,14 +105,22 @@ Cons cells of the form (FUNCTION . SEPARATOR) will expand into the format
All other expressions will expand into the format sequence unaltered,
followed by an empty string. This prevents accidental elision of the
following segment should the expression evaluate to nil."
`(quote ,(mapcar
(lambda (segments)
(cl-loop for seg in segments
if (cdr-safe seg) append `(,(car seg) ,(cdr seg))
else if (stringp seg) collect seg
else append `(,seg "")))
`(,left ,right))))
following segment should the expression evaluate to nil.
An optional key :padding may be provided, the value of which will be used as
the padding for either side of the mode line. If :padding is nil, \"\s\" will
be used as a default."
(let* ((padding (or (plist-get spec :padding) "\s"))
(left (append (list padding) (plist-get spec :left)))
(right (append (plist-get spec :right) (list padding))))
`(quote ,(mapcar
(lambda (segments)
(cl-loop for seg in segments
if (nlistp (cdr-safe seg)) append (list (car seg)
(cdr seg))
else if (stringp seg) collect seg
else append (list seg "")))
(list left right)))))
;; -------------------------------------------------------------------------- ;;
;;
@ -185,29 +193,26 @@ All other expressions will expand into the format sequence unaltered,
(defconst mood-line-format-default
(mood-line-defformat
;; Left
(" "
((mood-line-segment-modal) . " ")
:left
(((mood-line-segment-modal) . " ")
((mood-line-segment-buffer-status) . " ")
((mood-line-segment-buffer-name) . " ")
((mood-line-segment-anzu) . " ")
((mood-line-segment-multiple-cursors) . " ")
((mood-line-segment-cursor-position) . " ")
(mood-line-segment-scroll))
;; Right
:right
(((mood-line-segment-vc) . " ")
((mood-line-segment-major-mode) . " ")
((mood-line-segment-misc-info) . " ")
((mood-line-segment-checker) . " ")
((mood-line-segment-process) . " ")
" "))
((mood-line-segment-process) . " ")))
"Default format for mood-line.")
(defconst mood-line-format-default-extended
(mood-line-defformat
;; Left
(" "
((mood-line-segment-modal) . " ")
:left
(((mood-line-segment-modal) . " ")
((mood-line-segment-buffer-status) . " ")
((mood-line-segment-buffer-name) . " ")
((mood-line-segment-anzu) . " ")
@ -217,7 +222,7 @@ All other expressions will expand into the format sequence unaltered,
((mood-line-segment-cursor-point) . " ")
((mood-line-segment-region) . " ")
(mood-line-segment-scroll))
;; Right
:right
(((mood-line-segment-indentation) . " ")
((mood-line-segment-eol) . " ")
((mood-line-segment-encoding) . " ")
@ -225,8 +230,7 @@ All other expressions will expand into the format sequence unaltered,
((mood-line-segment-major-mode) . " ")
((mood-line-segment-misc-info) . " ")
((mood-line-segment-checker) . " ")
((mood-line-segment-process) . " ")
" "))
((mood-line-segment-process) . " ")))
"Extended default format for mood-line showcasing all included segments.")
;; -------------------------------------------------------------------------- ;;