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(modify-face): New function.

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Richard M. Stallman 1994-09-30 21:01:13 +00:00
parent a4f5efdcea
commit 1c0a871059
1 changed files with 39 additions and 1 deletions
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40
lisp/faces.el
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@ -128,7 +128,45 @@ If the optional FRAME argument is provided, change only
in that frame; otherwise change each frame."
(interactive (internal-face-interactive "underline-p" "underlined"))
(internal-set-face-1 face 'underline underline-p 7 frame))
(defun modify-face (face foreground background bold-p italic-p underline-p)
"Change the display attributes for face FACE.
FOREGROUND and BACKGROUND should be color strings. (Default color if nil.)
BOLD-P, ITALIC-P, and UNDERLINE-P specify whether the face should be set bold,
in italic, and underlined, respectively. (Yes if non-nil.)
If called interactively, prompts for a face and face attributes."
(interactive
(let* ((completion-ignore-case t)
(face (symbol-name (read-face-name "Face: ")))
(foreground (completing-read
(format "Face %s set foreground (default %s): " face
(downcase (or (face-foreground (intern face))
"foreground")))
(mapcar 'list (x-defined-colors))))
(background (completing-read
(format "Face %s set background (default %s): " face
(downcase (or (face-background (intern face))
"background")))
(mapcar 'list (x-defined-colors))))
(bold-p (y-or-n-p (concat "Face " face ": set bold ")))
(italic-p (y-or-n-p (concat "Face " face ": set italic ")))
(underline-p (y-or-n-p (concat "Face " face ": set underline "))))
(if (string-equal background "") (setq background nil))
(if (string-equal foreground "") (setq foreground nil))
(message "Face %s: %s" face
(mapconcat 'identity
(delq nil
(list (and foreground (concat (downcase foreground) " foreground"))
(and background (concat (downcase background) " background"))
(and bold-p "bold") (and italic-p "italic")
(and underline-p "underline"))) ", "))
(list (intern face) foreground background bold-p italic-p underline-p)))
(condition-case nil (set-face-foreground face foreground) (error nil))
(condition-case nil (set-face-background face background) (error nil))
(funcall (if bold-p 'make-face-bold 'make-face-unbold) face nil t)
(funcall (if italic-p 'make-face-italic 'make-face-unitalic) face nil t)
(set-face-underline-p face underline-p)
(and (interactive-p) (redraw-display)))
;;;; Associating face names (symbols) with their face vectors.