diff options
Diffstat (limited to 'lisp/mh-e/mh-utils.el')
| -rw-r--r-- | lisp/mh-e/mh-utils.el | 150 |
1 files changed, 78 insertions, 72 deletions
diff --git a/lisp/mh-e/mh-utils.el b/lisp/mh-e/mh-utils.el index 6e5337d9606..d7a92be5b5f 100644 --- a/lisp/mh-e/mh-utils.el +++ b/lisp/mh-e/mh-utils.el @@ -52,7 +52,7 @@ used in lieu of `search' in the CL package." (let ((syntax-table (syntax-table))) (unwind-protect (save-excursion - (mh-mail-abbrev-make-syntax-table) + (mail-abbrev-make-syntax-table) (set-syntax-table mail-abbrev-syntax-table) (backward-word n) (point)) @@ -61,9 +61,9 @@ used in lieu of `search' in the CL package." ;;;###mh-autoload (defun mh-colors-available-p () "Check if colors are available in the Emacs being used." - (or (featurep 'xemacs) - (let ((color-cells (mh-display-color-cells))) - (and (numberp color-cells) (>= color-cells 8))))) + ;; FIXME: Can this be replaced with `display-color-p'? + (let ((color-cells (display-color-cells))) + (and (numberp color-cells) (>= color-cells 8)))) ;;;###mh-autoload (defun mh-colors-in-use-p () @@ -78,16 +78,13 @@ used in lieu of `search' in the CL package." ;;;###mh-autoload (defun mh-make-local-vars (&rest pairs) "Initialize local variables according to the variable-value PAIRS." + (declare (obsolete setq-local "29.1")) (while pairs (set (make-local-variable (car pairs)) (car (cdr pairs))) (setq pairs (cdr (cdr pairs))))) ;;;###mh-autoload -(defun mh-mapc (function list) - "Apply FUNCTION to each element of LIST for side effects only." - (while list - (funcall function (car list)) - (setq list (cdr list)))) +(define-obsolete-function-alias 'mh-mapc #'mapc "29.1") (defvar mh-pick-regexp-chars ".*$[" "List of special characters in pick regular expressions.") @@ -102,7 +99,7 @@ PICK-EXPR is a list of strings. Return nil if PICK-EXPR is nil." (not (string-equal string ""))) (cl-loop for i from 0 to (1- (length mh-pick-regexp-chars)) do (let ((s (string ?\\ (aref mh-pick-regexp-chars i)))) - (setq string (mh-replace-regexp-in-string s s string t t)))) + (setq string (replace-regexp-in-string s s string t t)))) (setq quoted-pick-expr (append quoted-pick-expr (list string))))) quoted-pick-expr)) @@ -119,34 +116,32 @@ Ignores case when searching for OLD." ;;; Logo Display -(defvar mh-logo-cache nil) +;;;###mh-autoload +(defmacro mh--with-image-load-path (&rest body) + "Load `image' and eval BODY with `image-load-path' set appropriately." + (declare (debug t) (indent 0)) + `(progn + ;; Not preloaded in without-x builds. + (require 'image) + (defvar image-load-path) + (declare-function image-load-path-for-library "image") + (let* ((load-path (image-load-path-for-library "mh-e" "mh-logo.xpm")) + (image-load-path (cons (car load-path) image-load-path))) + ,@body))) -;; Shush compiler. -(defvar image-load-path) +(defvar mh-logo-cache nil) ;;;###mh-autoload (defun mh-logo-display () "Modify mode line to display MH-E logo." - (mh-do-in-gnu-emacs - (let* ((load-path (mh-image-load-path-for-library "mh-e" "mh-logo.xpm")) - (image-load-path (cons (car load-path) - (when (boundp 'image-load-path) - image-load-path)))) - (add-text-properties - 0 2 - `(display ,(or mh-logo-cache - (setq mh-logo-cache - (mh-funcall-if-exists - find-image '((:type xpm :ascent center - :file "mh-logo.xpm")))))) - (car mode-line-buffer-identification)))) - (mh-do-in-xemacs - (setq modeline-buffer-identification - (list - (if mh-modeline-glyph - (cons modeline-buffer-id-left-extent mh-modeline-glyph) - (cons modeline-buffer-id-left-extent "XEmacs%N:")) - (cons modeline-buffer-id-right-extent " %17b"))))) + (mh--with-image-load-path + (add-text-properties + 0 2 + `(display ,(or mh-logo-cache + (setq mh-logo-cache + (find-image '(( :type xpm :ascent center + :file "mh-logo.xpm" )))))) + (car mode-line-buffer-identification)))) @@ -509,8 +504,8 @@ they will not be returned." ;; folder is specified, ensure it is nil to avoid adding the ;; folder to the folder-list and adding a slash to it. (when folder - (setq folder (mh-replace-regexp-in-string "^\\+" "" folder)) - (setq folder (mh-replace-regexp-in-string "/+$" "" folder)) + (setq folder (replace-regexp-in-string "^\\+" "" folder)) + (setq folder (replace-regexp-in-string "/+$" "" folder)) (if (equal folder "") (setq folder nil))) ;; Add provided folder to list, unless all folders are asked for. @@ -535,7 +530,12 @@ results of the actual folders call. If optional argument ADD-TRAILING-SLASH-FLAG is non-nil then a slash is added to each of the sub-folder names that may have nested folders within them." - (let* ((folder (mh-normalize-folder-name folder nil nil t)) + ;; In most cases we want to remove a trailing slash. We keep the + ;; slash for "+/", because it refers to folders in the system root + ;; directory, whereas "+" refers to the user's top-level folders. + (let* ((folder (mh-normalize-folder-name folder nil + (string= folder "+/") + t)) (match (gethash folder mh-sub-folders-cache 'no-result)) (sub-folders (cond ((eq match 'no-result) (setf (gethash folder mh-sub-folders-cache) @@ -562,7 +562,6 @@ Expects FOLDER to have already been normalized with (let ((arg-list `(,(expand-file-name "folders" mh-progs) nil (t nil) nil "-noheader" "-norecurse" "-nototal" ,@(if (stringp folder) (list folder) ()))) - (results ()) (current-folder (concat (with-temp-buffer (call-process (expand-file-name "folder" mh-progs) @@ -571,33 +570,48 @@ Expects FOLDER to have already been normalized with "+"))) (with-temp-buffer (apply #'call-process arg-list) - (goto-char (point-min)) - (while (not (and (eolp) (bolp))) - (goto-char (mh-line-end-position)) - (let ((start-pos (mh-line-beginning-position)) - (has-pos (search-backward " has " - (mh-line-beginning-position) t))) - (when (integerp has-pos) - (while (equal (char-after has-pos) ? ) - (cl-decf has-pos)) - (cl-incf has-pos) - (while (equal (char-after start-pos) ? ) - (cl-incf start-pos)) - (let* ((name (buffer-substring start-pos has-pos)) - (first-char (aref name 0)) - (last-char (aref name (1- (length name))))) - (unless (member first-char '(?. ?# ?,)) - (when (and (equal last-char ?+) (equal name current-folder)) - (setq name (substring name 0 (1- (length name))))) - (push - (cons name - (search-forward "(others)" (mh-line-end-position) t)) - results)))) - (forward-line 1)))) + (mh-sub-folders-parse folder current-folder)))) + +(defun mh-sub-folders-parse (folder current-folder) + "Parse the results of \"folders FOLDER\" and return a list of sub-folders. +CURRENT-FOLDER is the result of \"folder -fast\". +FOLDER will be nil or start with '+'; CURRENT-FOLDER will end with '+'. +This function is a testable helper of `mh-sub-folders-actual'." + (let ((results ())) + (goto-char (point-min)) + (while (not (and (eolp) (bolp))) + (goto-char (line-end-position)) + (let ((start-pos (line-beginning-position)) + (has-pos (search-backward " has " + (line-beginning-position) t))) + (when (integerp has-pos) + (while (equal (char-after has-pos) ? ) + (cl-decf has-pos)) + (cl-incf has-pos) + (while (equal (char-after start-pos) ? ) + (cl-incf start-pos)) + (let* ((name (buffer-substring start-pos has-pos)) + (first-char (aref name 0)) + (second-char (and (length> name 1) (aref name 1))) + (last-char (aref name (1- (length name))))) + (unless (member first-char '(?. ?# ?,)) + (when (and (equal last-char ?+) (equal name current-folder)) + (setq name (substring name 0 (1- (length name))))) + ;; nmh outputs double slash in root folder, e.g., "//tmp" + (when (and (equal first-char ?/) (equal second-char ?/)) + (setq name (substring name 1))) + (push + (cons name + (search-forward "(others)" (line-end-position) t)) + results)))) + (forward-line 1))) (setq results (nreverse results)) (when (stringp folder) (setq results (cdr results)) (let ((folder-name-len (length (format "%s/" (substring folder 1))))) + (when (equal "+/" folder) + ;; folder "+/" includes a trailing slash + (cl-decf folder-name-len)) (setq results (mapcar (lambda (f) (cons (substring (car f) folder-name-len) (cdr f))) @@ -727,16 +741,12 @@ See Info node `(elisp) Programmed Completion' for details." ((equal path mh-user-path) nil) (t (file-directory-p path)))))))) -;; Shush compiler. -(defvar completion-root-regexp) ;; Apparently used in XEmacs - (defun mh-folder-completing-read (prompt default allow-root-folder-flag) "Read folder name with PROMPT and default result DEFAULT. If ALLOW-ROOT-FOLDER-FLAG is non-nil then \"+\" is allowed to be a folder name corresponding to `mh-user-path'." (mh-normalize-folder-name - (let ((completion-root-regexp "^[+/]") ;FIXME: Who/what uses that? - (minibuffer-local-completion-map mh-folder-completion-map) + (let ((minibuffer-local-completion-map mh-folder-completion-map) (mh-allow-root-folder-flag allow-root-folder-flag)) (completing-read prompt 'mh-folder-completion-function nil nil nil 'mh-folder-hist default)) @@ -920,11 +930,7 @@ Handle RFC 822 (or later) continuation lines." (defvar mh-hidden-header-keymap (let ((map (make-sparse-keymap))) - (mh-do-in-gnu-emacs - (define-key map [mouse-2] #'mh-letter-toggle-header-field-display-button)) - (mh-do-in-xemacs - (define-key map '(button2) - #'mh-letter-toggle-header-field-display-button)) + (define-key map [mouse-2] #'mh-letter-toggle-header-field-display-button) map)) ;;;###mh-autoload @@ -958,9 +964,9 @@ is hidden, if positive then the field is displayed." (and (numberp arg) (>= arg 0)) (and (eq arg 'long) - (> (mh-line-beginning-position 5) end))) + (> (line-beginning-position 5) end))) (remove-text-properties begin end '(invisible nil)) - (search-forward ":" (mh-line-end-position) t) + (search-forward ":" (line-end-position) t) (mh-letter-skip-leading-whitespace-in-header-field)) ;; XXX Redesign to make usable by user. Perhaps use a positive ;; numeric prefix to make that many lines visible. |