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Remove some XEmacs compat code from tree-widget.el

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* lisp/tree-widget.el (tree-widget-themes-load-path)
(tree-widget-use-image-p, tree-widget-create-image)
(tree-widget-image-formats, tree-widget-image-properties)
(tree-widget-lookup-image): Remove XEmacs compat code.
This commit is contained in:
Lars Ingebrigtsen 2019-10-09 02:53:11 +02:00
parent 97702f5292
commit 11d3e309b3
1 changed files with 25 additions and 55 deletions
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80
lisp/tree-widget.el
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@ -131,20 +131,15 @@
(defvar tree-widget-themes-load-path
'(load-path
(let ((dir (if (fboundp 'locate-data-directory)
(locate-data-directory "tree-widget") ;; XEmacs
data-directory)))
(and dir (list dir (expand-file-name "images" dir))))
)
(let ((dir data-directory))
(and dir (list dir (expand-file-name "images" dir)))))
"List of locations in which to search for the themes sub-directory.
Each element is an expression that will be recursively evaluated until
it returns a single directory or a list of directories.
The default is to search in the `load-path' first, then in the
\"images\" sub directory in the data directory, then in the data
directory.
The data directory is the value of the variable `data-directory' on
Emacs, and what `(locate-data-directory \"tree-widget\")' returns on
XEmacs.")
The data directory is the value of the variable `data-directory'.")
(defcustom tree-widget-themes-directory "tree-widget"
"Name of the directory in which to look for an image theme.
@ -215,49 +210,26 @@ See Info node `(elisp)Specified Space'."
;;; Image support
;;
(eval-and-compile ;; Emacs/XEmacs compatibility stuff
(cond
;; XEmacs
((featurep 'xemacs)
(defsubst tree-widget-use-image-p ()
"Return non-nil if image support is currently enabled."
(and tree-widget-image-enable
widget-glyph-enable
(console-on-window-system-p)))
(defsubst tree-widget-create-image (type file &optional props)
"Create an image of type TYPE from FILE, and return it.
(defsubst tree-widget-use-image-p ()
"Return non-nil if image support is currently enabled."
(and tree-widget-image-enable
widget-image-enable
(display-images-p)))
(defsubst tree-widget-create-image (type file &optional props)
"Create an image of type TYPE from FILE, and return it.
Give the image the specified properties PROPS."
(apply 'make-glyph `([,type :file ,file ,@props])))
(defsubst tree-widget-image-formats ()
"Return the alist of image formats/file name extensions.
See also the option `widget-image-file-name-suffixes'."
(delq nil
(mapcar
#'(lambda (fmt)
(and (valid-image-instantiator-format-p (car fmt)) fmt))
widget-image-file-name-suffixes)))
)
;; Emacs
(t
(defsubst tree-widget-use-image-p ()
"Return non-nil if image support is currently enabled."
(and tree-widget-image-enable
widget-image-enable
(display-images-p)))
(defsubst tree-widget-create-image (type file &optional props)
"Create an image of type TYPE from FILE, and return it.
Give the image the specified properties PROPS."
(apply 'create-image `(,file ,type nil ,@props)))
(defsubst tree-widget-image-formats ()
"Return the alist of image formats/file name extensions.
(declare (obsolete create-image "27.1"))
(apply 'create-image `(,file ,type nil ,@props)))
(defsubst tree-widget-image-formats ()
"Return the alist of image formats/file name extensions.
See also the option `widget-image-conversion'."
(delq nil
(mapcar
#'(lambda (fmt)
(and (image-type-available-p (car fmt)) fmt))
widget-image-conversion)))
))
)
(delq nil
(mapcar
#'(lambda (fmt)
(and (image-type-available-p (car fmt)) fmt))
widget-image-conversion)))
;; Buffer local cache of theme data.
(defvar tree-widget--theme nil)
@ -391,9 +363,7 @@ XEmacs in the variables `tree-widget-image-properties-emacs', and
(cons :pointer
(cons (or (cdr (assoc name tree-widget--cursors)) 'hand)
(tree-widget-set-image-properties
(if (featurep 'xemacs)
tree-widget-image-properties-xemacs
tree-widget-image-properties-emacs)))))
tree-widget-image-properties-emacs))))
(defun tree-widget-lookup-image (name)
"Look up in current theme for an image with NAME.
@ -411,9 +381,9 @@ found."
(and (file-readable-p file)
(file-regular-p file)
(throw 'found
(tree-widget-create-image
(car fmt) file
(tree-widget-image-properties name))))))))
(apply #'create-image
(car fmt) file nil
(tree-widget-image-properties name))))))))
nil)))
(defun tree-widget-find-image (name)