(custom-push-theme): Maintain list of the settings
of a given theme in its theme-settings property. Maintain position of old settings in the theme-value or theme-face property. (custom-enabled-themes): New variable. (custom-theme-enabled-p): New function. (provide-theme): Update custom-enabled-themes. Disable and reenable the `user' theme. (require-theme): Doc fix. (custom-do-theme-reset, custom-remove-theme): Functions deleted. (custom-theme-value, custom-theme-variable-value): Likewise. (custom-theme-reset-internal): Likewise. (custom-theme-load-themes): Fix bugs and use custom-disable-theme. (custom-enable-theme, custom-disable-theme): New functions. (custom-variable-theme-value, custom-face-theme-value): Likewise. (custom-theme-recalc-variable, custom-theme-recalc-face): Likewise. (custom-theme-reset-variables): Simplify. (deftheme, custom-declare-theme, custom-make-theme-feature): Definitions moved.
This commit is contained in:
parent
2c9e973fc7
commit
46ce5febbd
1 changed files with 282 additions and 217 deletions
499
lisp/custom.el
499
lisp/custom.el
|
|
@ -584,7 +584,7 @@ This recursively follows aliases."
|
|||
;; and it is not in load-history yet.
|
||||
((equal load "cus-edit"))
|
||||
(t (condition-case nil (load load) (error nil))))))))
|
||||
|
||||
|
||||
(defvar custom-known-themes '(user standard)
|
||||
"Themes that have been defined with `deftheme'.
|
||||
The default value is the list (user standard). The theme `standard'
|
||||
|
|
@ -593,95 +593,6 @@ theme `user' contains all the the settings the user customized and saved.
|
|||
Additional themes declared with the `deftheme' macro will be added to
|
||||
the front of this list.")
|
||||
|
||||
(defun custom-declare-theme (theme feature &optional doc &rest args)
|
||||
"Like `deftheme', but THEME is evaluated as a normal argument.
|
||||
FEATURE is the feature this theme provides. This symbol is created
|
||||
from THEME by `custom-make-theme-feature'."
|
||||
(add-to-list 'custom-known-themes theme)
|
||||
(put theme 'theme-feature feature)
|
||||
(when doc
|
||||
(put theme 'theme-documentation doc))
|
||||
(while args
|
||||
(let ((arg (car args)))
|
||||
(setq args (cdr args))
|
||||
(unless (symbolp arg)
|
||||
(error "Junk in args %S" args))
|
||||
(let ((keyword arg)
|
||||
(value (car args)))
|
||||
(unless args
|
||||
(error "Keyword %s is missing an argument" keyword))
|
||||
(setq args (cdr args))
|
||||
(cond ((eq keyword :short-description)
|
||||
(put theme 'theme-short-description value))
|
||||
((eq keyword :immediate)
|
||||
(put theme 'theme-immediate value))
|
||||
((eq keyword :variable-set-string)
|
||||
(put theme 'theme-variable-set-string value))
|
||||
((eq keyword :variable-reset-string)
|
||||
(put theme 'theme-variable-reset-string value))
|
||||
((eq keyword :face-set-string)
|
||||
(put theme 'theme-face-set-string value))
|
||||
((eq keyword :face-reset-string)
|
||||
(put theme 'theme-face-reset-string value)))))))
|
||||
|
||||
(defmacro deftheme (theme &optional doc &rest args)
|
||||
"Declare custom theme THEME.
|
||||
The optional argument DOC is a doc string describing the theme.
|
||||
The remaining arguments should have the form
|
||||
|
||||
[KEYWORD VALUE]...
|
||||
|
||||
The following KEYWORD's are defined:
|
||||
|
||||
:short-description
|
||||
VALUE is a short (one line) description of the theme. If not
|
||||
given, DOC is used.
|
||||
:immediate
|
||||
If VALUE is non-nil, variables specified in this theme are set
|
||||
immediately when loading the theme.
|
||||
:variable-set-string
|
||||
VALUE is a string used to indicate that a variable takes its
|
||||
setting from this theme. It is passed to FORMAT with the name
|
||||
of the theme as an additional argument. If not given, a
|
||||
generic description is used.
|
||||
:variable-reset-string
|
||||
VALUE is a string used in the case a variable has been forced
|
||||
to its value in this theme. It is passed to FORMAT with the
|
||||
name of the theme as an additional argument. If not given, a
|
||||
generic description is used.
|
||||
:face-set-string
|
||||
VALUE is a string used to indicate that a face takes its
|
||||
setting from this theme. It is passed to FORMAT with the name
|
||||
of the theme as an additional argument. If not given, a
|
||||
generic description is used.
|
||||
:face-reset-string
|
||||
VALUE is a string used in the case a face has been forced to
|
||||
its value in this theme. It is passed to FORMAT with the name
|
||||
of the theme as an additional argument. If not given, a
|
||||
generic description is used.
|
||||
|
||||
Any theme `foo' should be defined in a file called `foo-theme.el';
|
||||
see `custom-make-theme-feature' for more information."
|
||||
(let ((feature (custom-make-theme-feature theme)))
|
||||
;; It is better not to use backquote in this file,
|
||||
;; because that makes a bootstrapping problem
|
||||
;; if you need to recompile all the Lisp files using interpreted code.
|
||||
(nconc (list 'custom-declare-theme
|
||||
(list 'quote theme)
|
||||
(list 'quote feature)
|
||||
doc) args)))
|
||||
|
||||
(defun custom-make-theme-feature (theme)
|
||||
"Given a symbol THEME, create a new symbol by appending \"-theme\".
|
||||
Store this symbol in the `theme-feature' property of THEME.
|
||||
Calling `provide-theme' to provide THEME actually puts `THEME-theme'
|
||||
into `features'.
|
||||
|
||||
This allows for a file-name convention for autoloading themes:
|
||||
Every theme X has a property `provide-theme' whose value is \"X-theme\".
|
||||
\(require-theme X) then attempts to load the file `X-theme.el'."
|
||||
(intern (concat (symbol-name theme) "-theme")))
|
||||
|
||||
(defsubst custom-theme-p (theme)
|
||||
"Non-nil when THEME has been defined."
|
||||
(memq theme custom-known-themes))
|
||||
|
|
@ -694,13 +605,15 @@ Every theme X has a property `provide-theme' whose value is \"X-theme\".
|
|||
;;; Initializing.
|
||||
|
||||
(defun custom-push-theme (prop symbol theme mode value)
|
||||
"Add (THEME MODE VALUE) to the list in property PROP of SYMBOL.
|
||||
If the first element in that list is already (THEME ...),
|
||||
discard it first.
|
||||
"Record a value for face or variable SYMBOL in custom theme THEME.
|
||||
PROP is`theme-face' for a face, `theme-value' for a variable.
|
||||
The value is specified by (THEME MODE VALUE), which is interpreted
|
||||
by `custom-theme-value'.
|
||||
|
||||
MODE can be either the symbol `set' or the symbol `reset'. If it is the
|
||||
symbol `set', then VALUE is the value to use. If it is the symbol
|
||||
`reset', then VALUE is the mode to query instead.
|
||||
`reset', then VALUE is another theme, whose value for this face or
|
||||
variable should be used.
|
||||
|
||||
In the following example for the variable `goto-address-url-face', the
|
||||
theme `subtle-hacker' uses the same value for the variable as the theme
|
||||
|
|
@ -733,11 +646,20 @@ This records values for the `standard' and the `gnome2' themes.
|
|||
The user has not customized the face; had he done that,
|
||||
the list would contain an entry for the `user' theme, too.
|
||||
See `custom-known-themes' for a list of known themes."
|
||||
(let ((old (get symbol prop)))
|
||||
(if (eq (car-safe (car-safe old)) theme)
|
||||
(setq old (cdr old)))
|
||||
(put symbol prop (cons (list theme mode value) old))))
|
||||
|
||||
(let* ((old (get symbol prop))
|
||||
(setting (assq theme old)))
|
||||
;; Alter an existing theme-setting for the symbol,
|
||||
;; or add a new one.
|
||||
(if setting
|
||||
(progn
|
||||
(setcar (cdr setting) mode)
|
||||
(setcar (cddr setting) value))
|
||||
(put symbol prop (cons (list theme mode value) old)))
|
||||
;; Record, for each theme, all its settings.
|
||||
(put theme 'theme-settings
|
||||
(cons (list prop symbol theme mode value)
|
||||
(get theme 'theme-settings)))))
|
||||
|
||||
(defvar custom-local-buffer nil
|
||||
"Non-nil, in a Customization buffer, means customize a specific buffer.
|
||||
If this variable is non-nil, it should be a buffer,
|
||||
|
|
@ -946,11 +868,128 @@ Return non-nil iff the `customized-value' property actually changed."
|
|||
(put symbol 'customized-value nil))
|
||||
;; Changed?
|
||||
(not (equal customized (get symbol 'customized-value)))))
|
||||
|
||||
;;; Defining themes.
|
||||
|
||||
;;; Theme Manipulation
|
||||
;; deftheme is used at the beginning of the file that records a theme.
|
||||
|
||||
(defmacro deftheme (theme &optional doc &rest args)
|
||||
"Declare custom theme THEME.
|
||||
The optional argument DOC is a doc string describing the theme.
|
||||
The remaining arguments should have the form
|
||||
|
||||
[KEYWORD VALUE]...
|
||||
|
||||
The following KEYWORD's are defined:
|
||||
|
||||
:short-description
|
||||
VALUE is a short (one line) description of the theme. If not
|
||||
given, DOC is used.
|
||||
:immediate
|
||||
If VALUE is non-nil, variables specified in this theme are set
|
||||
immediately when loading the theme.
|
||||
:variable-set-string
|
||||
VALUE is a string used to indicate that a variable takes its
|
||||
setting from this theme. It is passed to FORMAT with the name
|
||||
of the theme as an additional argument. If not given, a
|
||||
generic description is used.
|
||||
:variable-reset-string
|
||||
VALUE is a string used in the case a variable has been forced
|
||||
to its value in this theme. It is passed to FORMAT with the
|
||||
name of the theme as an additional argument. If not given, a
|
||||
generic description is used.
|
||||
:face-set-string
|
||||
VALUE is a string used to indicate that a face takes its
|
||||
setting from this theme. It is passed to FORMAT with the name
|
||||
of the theme as an additional argument. If not given, a
|
||||
generic description is used.
|
||||
:face-reset-string
|
||||
VALUE is a string used in the case a face has been forced to
|
||||
its value in this theme. It is passed to FORMAT with the name
|
||||
of the theme as an additional argument. If not given, a
|
||||
generic description is used.
|
||||
|
||||
Any theme `foo' should be defined in a file called `foo-theme.el';
|
||||
see `custom-make-theme-feature' for more information."
|
||||
(let ((feature (custom-make-theme-feature theme)))
|
||||
;; It is better not to use backquote in this file,
|
||||
;; because that makes a bootstrapping problem
|
||||
;; if you need to recompile all the Lisp files using interpreted code.
|
||||
(nconc (list 'custom-declare-theme
|
||||
(list 'quote theme)
|
||||
(list 'quote feature)
|
||||
doc)
|
||||
args)))
|
||||
|
||||
(defun custom-declare-theme (theme feature &optional doc &rest args)
|
||||
"Like `deftheme', but THEME is evaluated as a normal argument.
|
||||
FEATURE is the feature this theme provides. This symbol is created
|
||||
from THEME by `custom-make-theme-feature'."
|
||||
(add-to-list 'custom-known-themes theme)
|
||||
(put theme 'theme-feature feature)
|
||||
(when doc
|
||||
(put theme 'theme-documentation doc))
|
||||
(while args
|
||||
(let ((arg (car args)))
|
||||
(setq args (cdr args))
|
||||
(unless (symbolp arg)
|
||||
(error "Junk in args %S" args))
|
||||
(let ((keyword arg)
|
||||
(value (car args)))
|
||||
(unless args
|
||||
(error "Keyword %s is missing an argument" keyword))
|
||||
(setq args (cdr args))
|
||||
(cond ((eq keyword :short-description)
|
||||
(put theme 'theme-short-description value))
|
||||
((eq keyword :immediate)
|
||||
(put theme 'theme-immediate value))
|
||||
((eq keyword :variable-set-string)
|
||||
(put theme 'theme-variable-set-string value))
|
||||
((eq keyword :variable-reset-string)
|
||||
(put theme 'theme-variable-reset-string value))
|
||||
((eq keyword :face-set-string)
|
||||
(put theme 'theme-face-set-string value))
|
||||
((eq keyword :face-reset-string)
|
||||
(put theme 'theme-face-reset-string value)))))))
|
||||
|
||||
(defun custom-make-theme-feature (theme)
|
||||
"Given a symbol THEME, create a new symbol by appending \"-theme\".
|
||||
Store this symbol in the `theme-feature' property of THEME.
|
||||
Calling `provide-theme' to provide THEME actually puts `THEME-theme'
|
||||
into `features'.
|
||||
|
||||
This allows for a file-name convention for autoloading themes:
|
||||
Every theme X has a property `provide-theme' whose value is \"X-theme\".
|
||||
\(require-theme X) then attempts to load the file `X-theme.el'."
|
||||
(intern (concat (symbol-name theme) "-theme")))
|
||||
|
||||
;;; Loading themes.
|
||||
|
||||
;; The variable and face settings of a theme are recorded in
|
||||
;; the `theme-settings' property of the theme name.
|
||||
;; This property's value is a list of elements, each of the form
|
||||
;; (PROP SYMBOL THEME MODE VALUE), where PROP is `theme-value' or `theme-face'
|
||||
;; and SYMBOL is the face or variable name.
|
||||
;; THEME is the theme name itself; that's redundant, but simplifies things.
|
||||
;; MODE is `set' or `reset'.
|
||||
;; If MODE is `set', then VALUE is an expression that specifies the
|
||||
;; theme's setting for SYMBOL.
|
||||
;; If MODE is `reset', then VALUE is another theme,
|
||||
;; and it means to use the value from that theme.
|
||||
|
||||
;; Each variable has a `theme-value' property that describes all the
|
||||
;; settings of enabled themes that apply to it.
|
||||
;; Each face name has a `theme-face' property that describes all the
|
||||
;; settings of enabled themes that apply to it.
|
||||
;; The property value is a list of settings, each with the form
|
||||
;; (THEME MODE VALUE). THEME, MODE and VALUE are as above.
|
||||
|
||||
;; When a theme is disabled, its settings are removed from the
|
||||
;; `theme-value' and `theme-face' properties, but the
|
||||
;; theme's own `theme-settings' property remains unchanged.
|
||||
|
||||
(defvar custom-loaded-themes nil
|
||||
"Themes in the order they are loaded.")
|
||||
"Custom themes that have been loaded.")
|
||||
|
||||
(defcustom custom-theme-directory
|
||||
(if (eq system-type 'ms-dos)
|
||||
|
|
@ -966,26 +1005,43 @@ into this directory."
|
|||
:version "22.1")
|
||||
|
||||
(defun custom-theme-loaded-p (theme)
|
||||
"Return non-nil when THEME has been loaded."
|
||||
"Return non-nil if THEME has been loaded."
|
||||
(memq theme custom-loaded-themes))
|
||||
|
||||
(defvar custom-enabled-themes '(user)
|
||||
"Custom themes currently enabled, highest precedence first.
|
||||
The first one is always `user'.")
|
||||
|
||||
(defun custom-theme-enabled-p (theme)
|
||||
"Return non-nil if THEME is enabled."
|
||||
(memq theme custom-enabled-themes))
|
||||
|
||||
(defun provide-theme (theme)
|
||||
"Indicate that this file provides THEME.
|
||||
Add THEME to `custom-loaded-themes' and `provide' whatever
|
||||
is stored in THEME's property `theme-feature'.
|
||||
|
||||
Usually the theme-feature property contains a symbol created
|
||||
by `custom-make-theme-feature'."
|
||||
(custom-check-theme theme)
|
||||
(provide (get theme 'theme-feature))
|
||||
(setq custom-loaded-themes (nconc (list theme) custom-loaded-themes)))
|
||||
|
||||
(defun require-theme (theme)
|
||||
"Try to load a theme by requiring its feature.
|
||||
THEME's feature is stored in THEME's `theme-feature' property.
|
||||
Add THEME to `custom-loaded-themes', and `provide' whatever
|
||||
feature name is stored in THEME's property `theme-feature'.
|
||||
|
||||
Usually the `theme-feature' property contains a symbol created
|
||||
by `custom-make-theme-feature'."
|
||||
(custom-check-theme theme)
|
||||
(provide (get theme 'theme-feature))
|
||||
(push theme custom-loaded-themes)
|
||||
;; Loading a theme also installs its settings,
|
||||
;; so mark it as "enabled".
|
||||
(push theme custom-enabled-themes)
|
||||
;; `user' must always be the highest-precedence enabled theme.
|
||||
;; Make that remain true. (This has the effect of making user settings
|
||||
;; override the ones just loaded, too.)
|
||||
(custom-enable-theme 'user))
|
||||
|
||||
(defun require-theme (theme)
|
||||
"Try to load a theme's settings from its file.
|
||||
This also enables the theme; use `custom-disable-theme' to disable it."
|
||||
|
||||
;; THEME's feature is stored in THEME's `theme-feature' property.
|
||||
;; Usually the `theme-feature' property contains a symbol created
|
||||
;; by `custom-make-theme-feature'.
|
||||
|
||||
;; Note we do no check for validity of the theme here.
|
||||
;; This allows to pull in themes by a file-name convention
|
||||
(let ((load-path (if (file-directory-p custom-theme-directory)
|
||||
|
|
@ -993,70 +1049,35 @@ by `custom-make-theme-feature'."
|
|||
load-path)))
|
||||
(require (or (get theme 'theme-feature)
|
||||
(custom-make-theme-feature theme)))))
|
||||
|
||||
(defun custom-remove-theme (spec-alist theme)
|
||||
"Delete all elements from SPEC-ALIST whose car is THEME."
|
||||
(let ((elt (assoc theme spec-alist)))
|
||||
(while elt
|
||||
(setq spec-alist (delete elt spec-alist)
|
||||
elt (assoc theme spec-alist))))
|
||||
spec-alist)
|
||||
|
||||
(defun custom-do-theme-reset (theme)
|
||||
"Undo all settings defined by THEME.
|
||||
|
||||
A variable remains unchanged if its property `theme-value' does not
|
||||
contain a value for THEME. A face remains unchanged if its property
|
||||
`theme-face' does not contain a value for THEME. In either case, all
|
||||
settings for THEME are removed from the property and the variable or
|
||||
face is set to the `user' theme.
|
||||
|
||||
See `custom-known-themes' for a list of known themes."
|
||||
(let (spec-list)
|
||||
(mapatoms (lambda (symbol)
|
||||
;; This works even if symbol is both a variable and a
|
||||
;; face.
|
||||
(setq spec-list (get symbol 'theme-value))
|
||||
(when spec-list
|
||||
(put symbol 'theme-value (custom-remove-theme spec-list theme))
|
||||
(custom-theme-reset-internal symbol 'user))
|
||||
(setq spec-list (get symbol 'theme-face))
|
||||
(when spec-list
|
||||
(put symbol 'theme-face (custom-remove-theme spec-list theme))
|
||||
(custom-theme-reset-internal-face symbol 'user))))))
|
||||
|
||||
;;; How to load and enable various themes as part of `user'.
|
||||
|
||||
(defun custom-theme-load-themes (by-theme &rest body)
|
||||
"Load the themes specified by BODY.
|
||||
Record them as required by theme BY-THEME. BODY is a sequence of either
|
||||
Record them as required by theme BY-THEME.
|
||||
|
||||
BODY is a sequence of either
|
||||
|
||||
THEME
|
||||
BY-THEME requires THEME
|
||||
Load THEME and enable it.
|
||||
\(reset THEME)
|
||||
Undo all the settings made by THEME
|
||||
\(hidden THEME)
|
||||
Require THEME but hide it from the user
|
||||
Load THEME but do not enable it.
|
||||
|
||||
All the themes loaded for BY-THEME are recorded in BY-THEME's property
|
||||
`theme-loads-themes'. Any theme loaded with the hidden predicate will
|
||||
be given the property `theme-hidden' unless it has been loaded before.
|
||||
Whether a theme has been loaded before is determined by the function
|
||||
`custom-theme-loaded-p'."
|
||||
`theme-loads-themes'."
|
||||
(custom-check-theme by-theme)
|
||||
(let ((theme)
|
||||
(themes-loaded (get by-theme 'theme-loads-themes)))
|
||||
(while theme
|
||||
(setq theme (car body)
|
||||
body (cdr body))
|
||||
(let ((themes-loaded (get by-theme 'theme-loads-themes)))
|
||||
(dolist (theme body)
|
||||
(cond ((and (consp theme) (eq (car theme) 'reset))
|
||||
(custom-do-theme-reset (cadr theme)))
|
||||
(custom-disable-theme (cadr theme)))
|
||||
((and (consp theme) (eq (car theme) 'hidden))
|
||||
(require-theme (cadr theme))
|
||||
(unless (custom-theme-loaded-p (cadr theme))
|
||||
(put (cadr theme) 'theme-hidden t)))
|
||||
(custom-disable-theme (cadr theme)))
|
||||
(t
|
||||
(require-theme theme)
|
||||
(put theme 'theme-hidden nil)))
|
||||
(setq themes-loaded (nconc (list theme) themes-loaded)))
|
||||
(require-theme theme)))
|
||||
(push theme themes-loaded))
|
||||
(put by-theme 'theme-loads-themes themes-loaded)))
|
||||
|
||||
(defun custom-load-themes (&rest body)
|
||||
|
|
@ -1064,82 +1085,126 @@ Whether a theme has been loaded before is determined by the function
|
|||
|
||||
See `custom-theme-load-themes' for more information on BODY."
|
||||
(apply 'custom-theme-load-themes 'user body))
|
||||
|
||||
;;; Enabling and disabling loaded themes.
|
||||
|
||||
; (defsubst copy-upto-last (elt list)
|
||||
; "Copy all the elements of the list upto the last occurence of elt"
|
||||
; ;; Is it faster to do more work in C than to do less in elisp?
|
||||
; (nreverse (cdr (member elt (reverse list)))))
|
||||
(defun custom-enable-theme (theme)
|
||||
"Reenable all variable and face settings defined by THEME.
|
||||
The newly enabled theme gets the highest precedence (after `user').
|
||||
If it is already enabled, just give it highest precedence (after `user')."
|
||||
(let ((settings (get theme 'theme-settings)))
|
||||
(dolist (s settings)
|
||||
(let* ((prop (car s))
|
||||
(symbol (cadr s))
|
||||
(spec-list (get symbol prop)))
|
||||
(put symbol prop (cons (cddr s) (assq-delete-all theme spec-list)))
|
||||
(if (eq prop 'theme-value)
|
||||
(custom-theme-recalc-variable symbol)
|
||||
(custom-theme-recalc-face symbol)))))
|
||||
(push theme custom-enabled-themes)
|
||||
;; `user' must always be the highest-precedence enabled theme.
|
||||
(unless (eq theme 'user)
|
||||
(custom-enable-theme 'user)))
|
||||
|
||||
(defun custom-theme-value (theme theme-spec-list)
|
||||
"Determine the value for THEME defined by THEME-SPEC-LIST.
|
||||
Returns a list with the original value if found; nil otherwise.
|
||||
(defun custom-disable-theme (theme)
|
||||
"Disable all variable and face settings defined by THEME.
|
||||
See `custom-known-themes' for a list of known themes."
|
||||
(let ((settings (get theme 'theme-settings)))
|
||||
(dolist (s settings)
|
||||
(let* ((prop (car s))
|
||||
(symbol (cadr s))
|
||||
(spec-list (get symbol prop)))
|
||||
(put symbol 'theme-value (assq-delete-all theme spec-list))
|
||||
(if (eq prop 'theme-value)
|
||||
(custom-theme-recalc-variable symbol)
|
||||
(custom-theme-recalc-face symbol)))))
|
||||
(setq custom-enabled-themes
|
||||
(delq theme custom-enabled-themes)))
|
||||
|
||||
THEME-SPEC-LIST is an alist with themes as its key. As new themes are
|
||||
installed, these are added to the front of THEME-SPEC-LIST.
|
||||
Each element has the form
|
||||
(defun custom-theme-value (theme setting-list)
|
||||
"Determine the value specified for THEME according to SETTING-LIST.
|
||||
Returns a list whose car is the specified value, if we
|
||||
find one; nil otherwise.
|
||||
|
||||
SETTING-LIST is an alist with themes as its key.
|
||||
Each element has the form:
|
||||
|
||||
\(THEME MODE VALUE)
|
||||
|
||||
MODE is either the symbol `set' or the symbol `reset'. See
|
||||
`custom-push-theme' for more information on the format of
|
||||
THEME-SPEC-LIST."
|
||||
SETTING-LIST."
|
||||
;; Note we do _NOT_ signal an error if the theme is unknown
|
||||
;; it might have gone away without the user knowing.
|
||||
(let ((value (cdr (assoc theme theme-spec-list))))
|
||||
(if value
|
||||
(if (eq (car value) 'set)
|
||||
(cdr value)
|
||||
(custom-theme-value (cadr value) theme-spec-list)))))
|
||||
(let ((elt (cdr (assoc theme setting-list))))
|
||||
(if elt
|
||||
(if (eq (car elt) 'set)
|
||||
(cdr elt)
|
||||
;; `reset' means refer to another theme's value in the same alist.
|
||||
(custom-theme-value (cadr elt) setting-list)))))
|
||||
|
||||
(defun custom-theme-variable-value (variable theme)
|
||||
"Return (list value) indicating value of VARIABLE in THEME.
|
||||
If THEME does not define a value for VARIABLE, return nil. The value
|
||||
definitions per theme are stored in VARIABLE's property `theme-value'.
|
||||
The actual work is done by function `custom-theme-value', which see.
|
||||
See `custom-push-theme' for more information on how these definitions
|
||||
are stored."
|
||||
(custom-theme-value theme (get variable 'theme-value)))
|
||||
(defun custom-variable-theme-value (variable)
|
||||
"Return (list VALUE) indicating the custom theme value of VARIABLE.
|
||||
That is to say, it specifies what the value should be according to
|
||||
currently enabled custom themes.
|
||||
|
||||
(defun custom-theme-reset-internal (symbol to-theme)
|
||||
"Reset SYMBOL to the value defined by TO-THEME.
|
||||
If SYMBOL is not defined in TO-THEME, reset SYMBOL to the standard
|
||||
value. See `custom-theme-variable-value'. The standard value is
|
||||
stored in SYMBOL's property `standard-value'."
|
||||
(let ((value (custom-theme-variable-value symbol to-theme))
|
||||
was-in-theme)
|
||||
(setq was-in-theme value)
|
||||
(setq value (or value (get symbol 'standard-value)))
|
||||
(when value
|
||||
(put symbol 'saved-value was-in-theme)
|
||||
(if (or (get 'force-value symbol) (default-boundp symbol))
|
||||
(funcall (or (get symbol 'custom-set) 'set-default) symbol
|
||||
(eval (car value)))))
|
||||
value))
|
||||
This function returns nil if no custom theme specifies a value for VARIABLE."
|
||||
(let* ((theme-value (get variable 'theme-value)))
|
||||
(if theme-value
|
||||
(custom-theme-value (car (car theme-value)) theme-value))))
|
||||
|
||||
(defun custom-face-theme-value (face)
|
||||
"Return the face spec of FACE according to currently enabled custom themes.
|
||||
This function returns nil if no custom theme specifies anything for FACE."
|
||||
(let* ((theme-value (get face 'theme-face)))
|
||||
(if theme-value
|
||||
(custom-theme-value (car (car theme-value)) theme-value))))
|
||||
|
||||
(defun custom-theme-recalc-variable (variable)
|
||||
"Set VARIABLE according to currently enabled custom themes."
|
||||
(let ((valspec (custom-variable-theme-value variable)))
|
||||
(when valspec
|
||||
(put variable 'saved-value valspec))
|
||||
(unless valspec
|
||||
(setq valspec (get variable 'standard-value)))
|
||||
(when valspec
|
||||
(if (or (get 'force-value variable) (default-boundp variable))
|
||||
(funcall (or (get variable 'custom-set) 'set-default) variable
|
||||
(eval (car valspec)))))))
|
||||
|
||||
(defun custom-theme-recalc-face (face)
|
||||
"Set FACE according to currently enabled custom themes."
|
||||
(let ((spec (custom-face-theme-value face)))
|
||||
(when spec
|
||||
(put face 'save-face spec))
|
||||
(unless spec
|
||||
(setq spec (get face 'face-defface-spec)))
|
||||
(when spec
|
||||
(when (or (get face 'force-face) (facep face))
|
||||
(unless (facep face)
|
||||
(make-empty-face face))
|
||||
(face-spec-set face spec)))))
|
||||
|
||||
(defun custom-theme-reset-variables (theme &rest args)
|
||||
"Reset the value of the variables to values previously defined.
|
||||
Associate this setting with THEME.
|
||||
"Reset the specs in THEME of some variables to their values in other themes.
|
||||
Each of the arguments ARGS has this form:
|
||||
|
||||
ARGS is a list of lists of the form
|
||||
(VARIABLE FROM-THEME)
|
||||
|
||||
(VARIABLE TO-THEME)
|
||||
|
||||
This means reset VARIABLE to its value in TO-THEME."
|
||||
This means reset VARIABLE to its value in FROM-THEME."
|
||||
(custom-check-theme theme)
|
||||
(mapcar '(lambda (arg)
|
||||
(apply 'custom-theme-reset-internal arg)
|
||||
(custom-push-theme 'theme-value (car arg) theme 'reset (cadr arg)))
|
||||
args))
|
||||
(dolist (arg args)
|
||||
(custom-push-theme 'theme-value (car arg) theme 'reset (cadr arg))))
|
||||
|
||||
(defun custom-reset-variables (&rest args)
|
||||
"Reset the value of the variables to values previously saved.
|
||||
This is the setting associated the `user' theme.
|
||||
"Reset the specs of some variables to their values in certain themes.
|
||||
This creates settings in the `user' theme.
|
||||
|
||||
ARGS is a list of lists of the form
|
||||
Each of the arguments ARGS has this form:
|
||||
|
||||
(VARIABLE TO-THEME)
|
||||
(VARIABLE FROM-THEME)
|
||||
|
||||
This means reset VARIABLE to its value in TO-THEME."
|
||||
This means reset VARIABLE to its value in FROM-THEME."
|
||||
(apply 'custom-theme-reset-variables 'user args))
|
||||
|
||||
;;; The End.
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue