(defun face-differs-from-default-p (face &optional frame)
- "Non-nil if FACE displays differently from the default face.
+ "Return non-nil if FACE displays differently from the default face.
If the optional argument FRAME is given, report on face FACE in that frame.
If FRAME is t, report on the defaults for face FACE (for new frames).
-If FRAME is omitted or nil, use the selected frame.
-A face is considered to be ``the same'' as the default face if it is
-actually specified in the same way (equal attributes) or if it is
-fully-unspecified, and thus inherits the attributes of any face it
-is displayed on top of."
- (cond ((eq frame t) (setq frame nil))
- ((null frame) (setq frame (selected-frame))))
- (let* ((v1 (internal-lisp-face-p face frame))
- (n (if v1 (length v1) 0))
- (v2 (internal-lisp-face-p 'default frame))
- (i 1))
- (unless v1
- (error "Not a face: %S" face))
- (while (and (< i n)
- (or (eq 'unspecified (aref v1 i))
- (equal (aref v1 i) (aref v2 i))))
- (setq i (1+ i)))
- (< i n)))
+If FRAME is omitted or nil, use the selected frame."
+ (let ((attrs
+ '(:family :width :height :weight :slant :foreground
+ :foreground :background :underline :overline
+ :strike-through :box :inverse-video))
+ (differs nil))
+ (while (and attrs (not differs))
+ (let* ((attr (pop attrs))
+ (attr-val (face-attribute face attr frame t)))
+ (when (and
+ (not (eq attr-val 'unspecified))
+ (display-supports-face-attributes-p (list attr attr-val)
+ frame))
+ (setq differs attr))))
+ differs))
(defun face-nontrivial-p (face &optional frame)
(let ((valid
(case attribute
(:family
- (if window-system
+ (if (window-system frame)
(mapcar #'(lambda (x) (cons (car x) (car x)))
(x-font-family-list))
;; Only one font on TTYs.
(mapcar #'(lambda (x) (cons (symbol-name x) x))
(internal-lisp-face-attribute-values attribute)))
((:underline :overline :strike-through :box)
- (if window-system
+ (if (window-system frame)
(nconc (mapcar #'(lambda (x) (cons (symbol-name x) x))
(internal-lisp-face-attribute-values attribute))
(mapcar #'(lambda (c) (cons c c))
((:height)
'integerp)
(:stipple
- (and (memq window-system '(x w32 mac))
+ (and (memq (window-system frame) '(x w32 mac))
(mapcar #'list
(apply #'nconc
(mapcar (lambda (dir)
;; explicitly in VALID, using color approximation code
;; in tty-colors.el.
(when (and (memq attribute '(:foreground :background))
- (not (memq window-system '(x w32 mac)))
+ (not (memq (window-system frame) '(x w32 mac)))
(not (member new-value
'("unspecified"
"unspecified-fg" "unspecified-bg"))))
req (car conjunct)
options (cdr conjunct)
match (cond ((eq req 'type)
- (or (memq window-system options)
+ (or (memq (window-system frame) options)
;; FIXME: This should be revisited to use
;; display-graphic-p, provided that the
;; color selection depends on the number
;; of supported colors, and all defface's
;; are changed to look at number of colors
;; instead of (type graphic) etc.
- (and (null window-system)
+ (and (null (window-system frame))
(memq 'tty options))
(and (memq 'motif options)
(featurep 'motif))
+ (and (memq 'gtk options)
+ (featurep 'gtk))
(and (memq 'lucid options)
(featurep 'x-toolkit)
- (not (featurep 'motif)))
+ (not (featurep 'motif))
+ (not (featurep 'gtk)))
(and (memq 'x-toolkit options)
(featurep 'x-toolkit))))
((eq req 'min-colors)
(unless frame
(setq frame (selected-frame)))
(let ((tail spec)
- result all)
+ result defaults)
(while tail
(let* ((entry (pop tail))
(display (car entry))
- (attrs (cdr entry)))
- (when (face-spec-set-match-display display frame)
- (setq result (if (null (cdr attrs)) ;; was (listp (car attrs))
- ;; Old-style entry, the attribute list is the
- ;; first element.
- (car attrs)
- attrs))
- (if (eq display t)
- (setq all result result nil)
+ (attrs (cdr entry))
+ thisval)
+ ;; Get the attributes as actually specified by this alternative.
+ (setq thisval
+ (if (null (cdr attrs)) ;; was (listp (car attrs))
+ ;; Old-style entry, the attribute list is the
+ ;; first element.
+ (car attrs)
+ attrs))
+
+ ;; If the condition is `default', that sets the default
+ ;; for following conditions.
+ (if (eq display 'default)
+ (setq defaults thisval)
+ ;; Otherwise, if it matches, use it.
+ (when (face-spec-set-match-display display frame)
+ (setq result thisval)
(setq tail nil)))))
- (if all (append result all) result)))
+ (if defaults (append result defaults) result)))
(defun face-spec-reset-face (face &optional frame)
(t
(> (tty-color-gray-shades display) 2)))))
-(defun display-supports-face-attributes-p (attributes &optional display)
- "Return non-nil if all the face attributes in ATTRIBUTES are supported.
-The optional argument DISPLAY can be a display name, a frame, or
-nil (meaning the selected frame's display)
-
-The definition of `supported' is somewhat heuristic, but basically means
-that a face containing all the attributes in ATTRIBUTES, when merged
-with the default face for display, can be represented in a way that's
-
- (1) different in appearance than the default face, and
- (2) `close in spirit' to what the attributes specify, if not exact.
-
-Point (2) implies that a `:weight black' attribute will be satisfied by
-any display that can display bold, and a `:foreground \"yellow\"' as long
-as it can display a yellowish color, but `:slant italic' will _not_ be
-satisfied by the tty display code's automatic substitution of a `dim'
-face for italic."
- (let ((frame
- (if (framep display)
- display
- (car (frames-on-display-list display)))))
- ;; For now, we assume that non-tty displays can support everything.
- ;; Later, we should add the ability to query about specific fonts,
- ;; colors, etc.
- (or (memq (framep frame) '(x w32 mac))
- (tty-supports-face-attributes-p attributes frame))))
-
\f
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Background mode.
Display-dependent faces are those which have different definitions
according to the `background-mode' and `display-type' frame parameters."
(let* ((bg-resource
- (and window-system
+ (and (window-system frame)
(x-get-resource "backgroundMode" "BackgroundMode")))
(bg-color (frame-parameter frame 'background-color))
+ (tty-type (frame-parameter frame 'tty-type))
(bg-mode
(cond (frame-background-mode)
(bg-resource
(intern (downcase bg-resource)))
- ((and (null window-system) (null bg-color))
- ;; No way to determine this automatically (?).
- 'dark)
- ;; Unspecified frame background color can only happen
- ;; on tty's.
- ((member bg-color '(unspecified "unspecified-bg"))
- 'dark)
+ ((and (null (window-system frame))
+ ;; Unspecified frame background color can only
+ ;; happen on tty's.
+ (member bg-color '(nil unspecified "unspecified-bg")))
+ ;; There is no way to determine the background mode
+ ;; automatically, so we make a guess based on the
+ ;; terminal type.
+ (if (and tty-type
+ (string-match "^\\(xterm\\|rxvt\\|dtterm\\|eterm\\)"
+ tty-type))
+ 'light
+ 'dark))
((equal bg-color "unspecified-fg") ; inverted colors
- 'light)
+ (if (and tty-type
+ (string-match "^\\(xterm\\|rxvt\\|dtterm\\|eterm\\)"
+ tty-type))
+ 'dark
+ 'light))
((>= (apply '+ (x-color-values bg-color frame))
;; Just looking at the screen, colors whose
;; values add up to .6 of the white total
'light)
(t 'dark)))
(display-type
- (cond ((null window-system)
+ (cond ((null (window-system frame))
(if (tty-display-color-p frame) 'color 'mono))
((x-display-color-p frame)
'color)
(setq parameters (x-handle-named-frame-geometry parameters))
(let ((visibility-spec (assq 'visibility parameters))
(frame-list (frame-list))
- (frame (x-create-frame (cons '(visibility . nil) parameters)))
+ (frame (x-create-frame `((visibility . nil) . ,parameters)))
success)
(unwind-protect
(progn
(if (or (null frame-list) (null visibility-spec))
(make-frame-visible frame)
(modify-frame-parameters frame (list visibility-spec)))
+ ;; Arrange for the kill and yank functions to set and check the clipboard.
+ (modify-frame-parameters
+ frame '((interprogram-cut-function . x-select-text)))
+ (modify-frame-parameters
+ frame '((interprogram-paste-function . x-cut-buffer-or-selection-value)))
(setq success t))
(unless success
(delete-frame frame)))
(when (not (equal face 'default))
(face-spec-set face (face-user-default-spec face) frame)
(internal-merge-in-global-face face frame)
- (when (and (memq window-system '(x w32 mac))
+ (when (and (memq (window-system frame) '(x w32 mac))
(or (not (boundp 'inhibit-default-face-x-resources))
(not (eq face 'default))))
(make-face-x-resource-internal face frame)))
(let ((frame (make-terminal-frame parameters))
success)
(unwind-protect
- (progn
+ (with-selected-frame frame
(tty-handle-reverse-video frame (frame-parameters frame))
(frame-set-background-mode frame)
(face-set-after-frame-default frame)
+ ;; Load library for our terminal type.
+ ;; User init file can set term-file-prefix to nil to prevent this.
+ (unless (null term-file-prefix)
+ (let ((term (cdr (assq 'tty-type parameters)))
+ hyphend)
+ (while (and term
+ (not (load (concat term-file-prefix term) t t)))
+ ;; Strip off last hyphen and what follows, then try again
+ (setq term
+ (if (setq hyphend (string-match "[-_][^-_]+$" term))
+ (substring term 0 hyphend)
+ nil)))))
+ ;; Make sure the kill and yank functions do not touch the X clipboard.
+ (modify-frame-parameters frame '((interprogram-cut-function . nil)))
+ (modify-frame-parameters frame '((interprogram-paste-function . nil)))
(setq success t))
(unless success
(delete-frame frame)))
;; Update a frame's faces when we change its default font.
-(defalias 'frame-update-faces 'ignore)
+(defalias 'frame-update-faces 'ignore "")
(make-obsolete 'frame-update-faces "no longer necessary." "21.1")
;; Update the colors of FACE, after FRAME's own colors have been
:group 'basic-faces)
(defface mode-line-inactive
- '((t
+ '((default
:inherit mode-line)
(((type x w32 mac) (background light) (class color))
:weight light
(put 'modeline-inactive 'face-alias 'mode-line-inactive)
(defface header-line
- '((t
+ '((default
:inherit mode-line)
(((type tty))
;; This used to be `:inverse-video t', but that doesn't look very
(defface tool-bar
- '((t
+ '((default
:box (:line-width 1 :style released-button)
:foreground "black")
(((type x w32 mac) (class color))
(defface cursor '()
- "Basic face for the cursor color under X."
+ "Basic face for the cursor color under X.
+Note: Other faces cannot inherit from the cursor face."
:version "21.1"
:group 'cursor
:group 'basic-faces)
+(put 'cursor 'face-no-inherit t)
(defface mouse '()
"Basic face for the mouse color under X."
:group 'font-lock ; like `show-trailing-whitespace'
:group 'basic-faces)
-
+(defface escape-glyph '((((background dark)) :foreground "cyan")
+ (((type pc)) :foreground "magenta")
+ (t :foreground "blue"))
+ "Face for characters displayed as ^-sequences or \-sequences."
+ :group 'basic-faces)
\f
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Manipulating font names.