(if (boundp 'facemenu-unlisted-faces)
(add-to-list 'facemenu-unlisted-faces "^mh-"))
+;; Temporary function and data structure used for defining faces.
+;; These will be unbound after the faces are defined.
(defvar mh-min-colors-defined-flag (and (not mh-xemacs-flag)
(>= emacs-major-version 22))
"Non-nil means defface supports min-colors display requirement.")
(setq new-spec (cons entry new-spec)))))
new-spec)))
-(defface mh-folder-address '((t (:inherit mh-folder-subject)))
+(defvar mh-inherit-face-flag (assq :inherit custom-face-attributes)
+ "Non-nil means that the `defface' :inherit keyword is available.
+The :inherit keyword is available on all supported versions of
+GNU Emacs and XEmacs from at least 21.5.23 on.")
+
+(defvar mh-face-data
+ '((mh-folder-followup
+ ((((class color) (background light))
+ (:foreground "blue3"))
+ (((class color) (background dark))
+ (:foreground "LightGoldenRod"))
+ (t
+ (:bold t))))
+ (mh-folder-msg-number
+ ((((class color) (min-colors 64) (background light))
+ (:foreground "snow4"))
+ (((class color) (min-colors 64) (background dark))
+ (:foreground "snow3"))
+ (((class color))
+ (:foreground "cyan"))))
+ (mh-folder-refiled
+ ((((class color) (min-colors 64) (background light))
+ (:foreground "DarkGoldenrod"))
+ (((class color) (min-colors 64) (background dark))
+ (:foreground "LightGoldenrod"))
+ (((class color))
+ (:foreground "yellow" :weight light))
+ (((class grayscale) (background light))
+ (:foreground "Gray90" :bold t :italic t))
+ (((class grayscale) (background dark))
+ (:foreground "DimGray" :bold t :italic t))
+ (t
+ (:bold t :italic t))))
+ (mh-folder-subject
+ ((((class color) (background light))
+ (:foreground "blue4"))
+ (((class color) (background dark))
+ (:foreground "yellow"))
+ (t
+ (:bold t))))
+ (mh-folder-tick
+ ((((class color) (background dark))
+ (:background "#dddf7e"))
+ (((class color) (background light))
+ (:background "#dddf7e"))
+ (t
+ (:underline t))))
+ (mh-folder-to
+ ((((class color) (min-colors 64) (background light))
+ (:foreground "RosyBrown"))
+ (((class color) (min-colors 64) (background dark))
+ (:foreground "LightSalmon"))
+ (((class color))
+ (:foreground "green"))
+ (((class grayscale) (background light))
+ (:foreground "DimGray" :italic t))
+ (((class grayscale) (background dark))
+ (:foreground "LightGray" :italic t))
+ (t
+ (:italic t))))
+ (mh-letter-header-field
+ ((((class color) (background light))
+ (:background "gray90"))
+ (((class color) (background dark))
+ (:background "gray10"))
+ (t
+ (:bold t))))
+ (mh-search-folder
+ ((((class color) (background light))
+ (:foreground "dark green" :bold t))
+ (((class color) (background dark))
+ (:foreground "indian red" :bold t))
+ (t
+ (:bold t))))
+ (mh-show-cc
+ ((((class color) (min-colors 64) (background light))
+ (:foreground "DarkGoldenrod"))
+ (((class color) (min-colors 64) (background dark))
+ (:foreground "LightGoldenrod"))
+ (((class color))
+ (:foreground "yellow" :weight light))
+ (((class grayscale) (background light))
+ (:foreground "Gray90" :bold t :italic t))
+ (((class grayscale) (background dark))
+ (:foreground "DimGray" :bold t :italic t))
+ (t
+ (:bold t :italic t))))
+ (mh-show-date
+ ((((class color) (min-colors 64) (background light))
+ (:foreground "ForestGreen"))
+ (((class color) (min-colors 64) (background dark))
+ (:foreground "PaleGreen"))
+ (((class color))
+ (:foreground "green"))
+ (((class grayscale) (background light))
+ (:foreground "Gray90" :bold t))
+ (((class grayscale) (background dark))
+ (:foreground "DimGray" :bold t))
+ (t
+ (:bold t :underline t))))
+ (mh-show-from
+ ((((class color) (background light))
+ (:foreground "red3"))
+ (((class color) (background dark))
+ (:foreground "cyan"))
+ (t
+ (:bold t))))
+ (mh-show-header
+ ((((class color) (min-colors 64) (background light))
+ (:foreground "RosyBrown"))
+ (((class color) (min-colors 64) (background dark))
+ (:foreground "LightSalmon"))
+ (((class color))
+ (:foreground "green"))
+ (((class grayscale) (background light))
+ (:foreground "DimGray" :italic t))
+ (((class grayscale) (background dark))
+ (:foreground "LightGray" :italic t))
+ (t
+ (:italic t))))
+ (mh-show-pgg-bad ((t (:bold t :foreground "DeepPink1"))))
+ (mh-show-pgg-good ((t (:bold t :foreground "LimeGreen"))))
+ (mh-show-pgg-unknown ((t (:bold t :foreground "DarkGoldenrod2"))))
+ (mh-show-signature ((t (:italic t))))
+ (mh-show-to
+ ((((class color) (background light))
+ (:foreground "SaddleBrown"))
+ (((class color) (background dark))
+ (:foreground "burlywood"))
+ (((class grayscale) (background light))
+ (:foreground "DimGray" :underline t))
+ (((class grayscale) (background dark))
+ (:foreground "LightGray" :underline t))
+ (t (:underline t))))
+ (mh-speedbar-folder
+ ((((class color) (background light))
+ (:foreground "blue4"))
+ (((class color) (background dark))
+ (:foreground "light blue"))))
+ (mh-speedbar-selected-folder
+ ((((class color) (background light))
+ (:foreground "red1" :underline t))
+ (((class color) (background dark))
+ (:foreground "red1" :underline t))
+ (t
+ (:underline t))))))
+
+(defun mh-face-data (face &optional inherit)
+ "Return spec for FACE.
+If INHERIT is non-nil and `defface' supports the :inherit
+keyword, return INHERIT literally; otherwise, return spec for FACE.
+
+This isn't a perfect implementation. In the case that
+the :inherit keyword is not supported, any additional attributes
+in the inherit parameter are not added to the returned spec."
+ (if (and inherit mh-inherit-face-flag)
+ inherit
+ (mh-defface-compat (cadr (assoc face mh-face-data)))))
+
+(defface mh-folder-address
+ (mh-face-data 'mh-folder-subject '((t (:inherit mh-folder-subject))))
"Recipient face."
:group 'mh-faces
:group 'mh-folder)
(defface mh-folder-body
- '((((class color))
- (:inherit mh-folder-msg-number))
- (t
- (:inherit mh-folder-msg-number :italic t)))
+ (mh-face-data 'mh-folder-msg-number
+ '((((class color))
+ (:inherit mh-folder-msg-number))
+ (t
+ (:inherit mh-folder-msg-number :italic t))))
"Body text face."
:group 'mh-faces
:group 'mh-folder)
(defface mh-folder-cur-msg-number
- '((t
- (:inherit mh-folder-msg-number :bold t)))
+ (mh-face-data 'mh-folder-msg-number
+ '((t (:inherit mh-folder-msg-number :bold t))))
"Current message number face."
:group 'mh-faces
:group 'mh-folder)
-(defface mh-folder-date '((t (:inherit mh-folder-msg-number)))
+(defface mh-folder-date
+ (mh-face-data 'mh-folder-msg-number '((t (:inherit mh-folder-msg-number))))
"Date face."
:group 'mh-faces
:group 'mh-folder)
-(defface mh-folder-deleted '((t (:inherit mh-folder-msg-number)))
+(defface mh-folder-deleted
+ (mh-face-data 'mh-folder-msg-number '((t (:inherit mh-folder-msg-number))))
"Deleted message face."
:group 'mh-faces
:group 'mh-folder)
-(defface mh-folder-followup
- '((((class color) (background light))
- (:foreground "blue3"))
- (((class color) (background dark))
- (:foreground "LightGoldenRod"))
- (t
- (:bold t)))
+(defface mh-folder-followup (mh-face-data 'mh-folder-followup)
"\"Re:\" face."
:group 'mh-faces
:group 'mh-folder)
-(defface mh-folder-msg-number
- (mh-defface-compat
- '((((class color) (min-colors 64) (background light))
- (:foreground "snow4"))
- (((class color) (min-colors 64) (background dark))
- (:foreground "snow3"))
- (((class color))
- (:foreground "cyan"))))
-
+(defface mh-folder-msg-number (mh-face-data 'mh-folder-msg-number)
"Message number face."
:group 'mh-faces
:group 'mh-folder)
-(defface mh-folder-refiled
- (mh-defface-compat
- '((((class color) (min-colors 64) (background light))
- (:foreground "DarkGoldenrod"))
- (((class color) (min-colors 64) (background dark))
- (:foreground "LightGoldenrod"))
- (((class color))
- (:foreground "yellow" :weight light))
- (((class grayscale) (background light))
- (:foreground "Gray90" :bold t :italic t))
- (((class grayscale) (background dark))
- (:foreground "DimGray" :bold t :italic t))
- (t
- (:bold t :italic t))))
+(defface mh-folder-refiled (mh-face-data 'mh-folder-refiled)
"Refiled message face."
:group 'mh-faces
:group 'mh-folder)
-(defface mh-folder-sent-to-me-hint '((t (:inherit mh-folder-date)))
+(defface mh-folder-sent-to-me-hint
+ (mh-face-data 'mh-folder-msg-number '((t (:inherit mh-folder-date))))
"Fontification hint face in messages sent directly to us.
The detection of messages sent to us is governed by the scan
format `mh-scan-format-nmh' and the regular expression
:group 'mh-faces
:group 'mh-folder)
-(defface mh-folder-sent-to-me-sender '((t (:inherit mh-folder-followup)))
+(defface mh-folder-sent-to-me-sender
+ (mh-face-data 'mh-folder-followup '((t (:inherit mh-folder-followup))))
"Sender face in messages sent directly to us.
The detection of messages sent to us is governed by the scan
format `mh-scan-format-nmh' and the regular expression
:group 'mh-faces
:group 'mh-folder)
-(defface mh-folder-subject
- '((((class color) (background light))
- (:foreground "blue4"))
- (((class color) (background dark))
- (:foreground "yellow"))
- (t
- (:bold t)))
+(defface mh-folder-subject (mh-face-data 'mh-folder-subject)
"Subject face."
:group 'mh-faces
:group 'mh-folder)
-(defface mh-folder-tick
- '((((class color) (background dark))
- (:background "#dddf7e"))
- (((class color) (background light))
- (:background "#dddf7e"))
- (t
- (:underline t)))
+(defface mh-folder-tick (mh-face-data 'mh-folder-tick)
"Ticked message face."
:group 'mh-faces
:group 'mh-folder)
-(defface mh-folder-to
- (mh-defface-compat
- '((((class color) (min-colors 64) (background light))
- (:foreground "RosyBrown"))
- (((class color) (min-colors 64) (background dark))
- (:foreground "LightSalmon"))
- (((class color))
- (:foreground "green"))
- (((class grayscale) (background light))
- (:foreground "DimGray" :italic t))
- (((class grayscale) (background dark))
- (:foreground "LightGray" :italic t))
- (t
- (:italic t))))
+(defface mh-folder-to (mh-face-data 'mh-folder-to)
"\"To:\" face."
:group 'mh-faces
:group 'mh-folder)
-(defface mh-search-folder
- '((((class color) (background light))
- (:foreground "dark green" :bold t))
- (((class color) (background dark))
- (:foreground "indian red" :bold t))
- (t
- (:bold t)))
- "Folder heading face in MH-Folder buffers created by searches."
- :group 'mh-faces
- :group 'mh-search)
-
-(defface mh-letter-header-field
- '((((class color) (background light))
- (:background "gray90"))
- (((class color) (background dark))
- (:background "gray10"))
- (t
- (:bold t)))
+(defface mh-letter-header-field (mh-face-data 'mh-letter-header-field)
"Editable header field value face in draft buffers."
:group 'mh-faces
:group 'mh-letter)
-(defface mh-show-cc
- (mh-defface-compat
- '((((class color) (min-colors 64) (background light))
- (:foreground "DarkGoldenrod"))
- (((class color) (min-colors 64) (background dark))
- (:foreground "LightGoldenrod"))
- (((class color))
- (:foreground "yellow" :weight light))
- (((class grayscale) (background light))
- (:foreground "Gray90" :bold t :italic t))
- (((class grayscale) (background dark))
- (:foreground "DimGray" :bold t :italic t))
- (t
- (:bold t :italic t))))
+(defface mh-search-folder (mh-face-data 'mh-search-folder)
+ "Folder heading face in MH-Folder buffers created by searches."
+ :group 'mh-faces
+ :group 'mh-search)
+
+(defface mh-show-cc (mh-face-data 'mh-show-cc)
"Face used to highlight \"cc:\" header fields."
:group 'mh-faces
:group 'mh-show)
-(defface mh-show-date
- (mh-defface-compat
- '((((class color) (min-colors 64) (background light))
- (:foreground "ForestGreen"))
- (((class color) (min-colors 64) (background dark))
- (:foreground "PaleGreen"))
- (((class color))
- (:foreground "green"))
- (((class grayscale) (background light))
- (:foreground "Gray90" :bold t))
- (((class grayscale) (background dark))
- (:foreground "DimGray" :bold t))
- (t
- (:bold t :underline t))))
+(defface mh-show-date (mh-face-data 'mh-show-date)
"Face used to highlight \"Date:\" header fields."
:group 'mh-faces
:group 'mh-show)
-(defface mh-show-from
- '((((class color) (background light))
- (:foreground "red3"))
- (((class color) (background dark))
- (:foreground "cyan"))
- (t
- (:bold t)))
+(defface mh-show-from (mh-face-data 'mh-show-from)
"Face used to highlight \"From:\" header fields."
:group 'mh-faces
:group 'mh-show)
-(defface mh-show-header
- (mh-defface-compat
- '((((class color) (min-colors 64) (background light))
- (:foreground "RosyBrown"))
- (((class color) (min-colors 64) (background dark))
- (:foreground "LightSalmon"))
- (((class color))
- (:foreground "green"))
- (((class grayscale) (background light))
- (:foreground "DimGray" :italic t))
- (((class grayscale) (background dark))
- (:foreground "LightGray" :italic t))
- (t
- (:italic t))))
+(defface mh-show-header (mh-face-data 'mh-show-header)
"Face used to deemphasize less interesting header fields."
:group 'mh-faces
:group 'mh-show)
-(defface mh-show-pgg-bad '((t (:bold t :foreground "DeepPink1")))
+(defface mh-show-pgg-bad (mh-face-data 'mh-show-pgg-bad)
"Bad PGG signature face."
:group 'mh-faces
:group 'mh-show)
-(defface mh-show-pgg-good '((t (:bold t :foreground "LimeGreen")))
+(defface mh-show-pgg-good (mh-face-data 'mh-show-pgg-good)
"Good PGG signature face."
:group 'mh-faces
:group 'mh-show)
-(defface mh-show-pgg-unknown '((t (:bold t :foreground "DarkGoldenrod2")))
+(defface mh-show-pgg-unknown (mh-face-data 'mh-show-pgg-unknown)
"Unknown or untrusted PGG signature face."
:group 'mh-faces
:group 'mh-show)
-(defface mh-show-signature '((t (:italic t)))
+(defface mh-show-signature (mh-face-data 'mh-show-signature)
"Signature face."
:group 'mh-faces
:group 'mh-show)
-(defface mh-show-subject '((t (:inherit mh-folder-subject)))
+(defface mh-show-subject
+ (mh-face-data 'mh-folder-subject '((t (:inherit mh-folder-subject))))
"Face used to highlight \"Subject:\" header fields."
:group 'mh-faces
:group 'mh-show)
-(defface mh-show-to
- '((((class color) (background light))
- (:foreground "SaddleBrown"))
- (((class color) (background dark))
- (:foreground "burlywood"))
- (((class grayscale) (background light))
- (:foreground "DimGray" :underline t))
- (((class grayscale) (background dark))
- (:foreground "LightGray" :underline t))
- (t (:underline t)))
+(defface mh-show-to (mh-face-data 'mh-show-to)
"Face used to highlight \"To:\" header fields."
:group 'mh-faces
:group 'mh-show)
-(defface mh-show-xface '((t (:inherit (mh-show-from highlight))))
- "X-Face image face.
+(defface mh-show-xface
+ (mh-face-data 'mh-show-from '((t (:inherit (mh-show-from highlight)))))
+
+"X-Face image face.
The background and foreground are used in the image."
:group 'mh-faces
:group 'mh-show)
-(defface mh-speedbar-folder
- '((((class color) (background light))
- (:foreground "blue4"))
- (((class color) (background dark))
- (:foreground "light blue")))
+(defface mh-speedbar-folder (mh-face-data 'mh-speedbar-folder)
"Basic folder face."
:group 'mh-faces
:group 'mh-speedbar)
(defface mh-speedbar-folder-with-unseen-messages
- '((t
- (:inherit mh-speedbar-folder :bold t)))
+ (mh-face-data 'mh-speedbar-folder
+ '((t (:inherit mh-speedbar-folder :bold t))))
"Folder face when folder contains unread messages."
:group 'mh-faces
:group 'mh-speedbar)
(defface mh-speedbar-selected-folder
- '((((class color) (background light))
- (:foreground "red1" :underline t))
- (((class color) (background dark))
- (:foreground "red1" :underline t))
- (t
- (:underline t)))
+ (mh-face-data 'mh-speedbar-selected-folder)
"Selected folder face."
:group 'mh-faces
:group 'mh-speedbar)
(defface mh-speedbar-selected-folder-with-unseen-messages
- '((t
- (:inherit mh-speedbar-selected-folder :bold t)))
+ (mh-face-data 'mh-speedbar-selected-folder
+ '((t (:inherit mh-speedbar-selected-folder :bold t))))
"Selected folder face when folder contains unread messages."
:group 'mh-faces
:group 'mh-speedbar)
+;; Get rid of temporary functions and data structures.
+(fmakunbound 'mh-defface-compat)
+(fmakunbound 'mh-face-data)
+(makunbound 'mh-face-data)
+(makunbound 'mh-inherit-face-flag)
+(makunbound 'mh-min-colors-defined-flag)
+
(provide 'mh-e)
;; Local Variables:
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