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Just use a face for customizing the unfocused region

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Use font-lock-comment-face as a default. Maybe this fixes #21?
This commit is contained in:
Lars Tveito 2019-12-03 14:11:18 +01:00
parent bf5fcff0d0
commit 19b3c7b348
1 changed files with 3 additions and 42 deletions
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45
focus.el
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@ -38,17 +38,6 @@
:group 'font-lock
:prefix "focus-")
(defcustom focus-dimness 0
"Amount of dimness in out of focus sections is determined by this integer.
A positive value increases the dimness of the sections.
A negative value decreases the dimness.
The default is 0 which means a 50/50 mixture of the background
and foreground color."
:type '(integer)
:group 'focus)
(defcustom focus-mode-to-thing '((prog-mode . defun) (text-mode . sentence))
"An associated list between mode and thing.
@ -73,7 +62,7 @@ Things that are defined include `symbol', `list', `sexp',
(defvar focus-cursor-type cursor-type
"Used to restore the users `cursor-type'")
(defvar focus-dim-color nil
(defvar focus-unfocused-face font-lock-comment-face
"Overrides the color used for dimmed text.")
(defvar-local focus-current-thing nil
@ -105,28 +94,6 @@ The timer calls `focus-read-only-hide-cursor' after
"Return the current bounds, based on `focus-get-thing'."
(bounds-of-thing-at-point (focus-get-thing)))
(defun focus-average-colors (color &rest colors)
"Takes an average of the colors given by argument.
Argument COLOR is a color name, and so are the COLORS; COLOR is
there to ensure that the the function receives at least one
argument."
(let* ((colors (cons color colors))
(colors (mapcar 'color-name-to-rgb colors))
(len (length colors))
(sums (apply 'cl-mapcar '+ colors))
(avg (mapcar (lambda (v) (/ v len)) sums)))
(apply 'color-rgb-to-hex avg)))
(defun focus-make-dim-color ()
"Return a dimmed color relative to the current theme."
(let ((background (face-attribute 'default :background))
(foreground (face-attribute 'default :foreground))
(backgrounds (if (> focus-dimness 0) focus-dimness 1))
(foregrounds (if (< focus-dimness 0) (- focus-dimness) 1)))
(apply 'focus-average-colors
(append (make-list backgrounds background)
(make-list foregrounds foreground)))))
(defun focus-move-focus ()
"Move the focused section according to `focus-bounds'.
@ -152,9 +119,8 @@ adds `focus-move-focus' to `post-command-hook'."
(setq focus-pre-overlay (make-overlay (point-min) (point-min))
focus-post-overlay (make-overlay (point-max) (point-max))
focus-buffer (current-buffer))
(let ((color (or focus-dim-color (focus-make-dim-color))))
(mapc (lambda (o) (overlay-put o 'face (cons 'foreground-color color)))
(list focus-pre-overlay focus-post-overlay)))
(mapc (lambda (o) (overlay-put o 'face focus-unfocused-face))
(list focus-pre-overlay focus-post-overlay))
(add-hook 'post-command-hook 'focus-move-focus nil t)
(add-hook 'change-major-mode-hook 'focus-terminate nil t)))
@ -276,11 +242,6 @@ It cleans up the `focus-read-only-blink-timer' and hooks."
:keymap (let ((map (make-sparse-keymap)))
(define-key map (kbd "C-c C-q") 'focus-read-only-mode)
map)
(unless (or (and (color-defined-p (face-attribute 'default :background))
(color-defined-p (face-attribute 'default :foreground)))
focus-dim-color)
(message "Can't enable focus mode when no theme is loaded. Try setting focus-dim-color!")
(setq focus-mode nil))
(if focus-mode (focus-init) (focus-terminate)))
;;;###autoload