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Diffstat (limited to 'phox/phox-sym-lock.el')
| -rw-r--r-- | phox/phox-sym-lock.el | 401 |
1 files changed, 0 insertions, 401 deletions
diff --git a/phox/phox-sym-lock.el b/phox/phox-sym-lock.el deleted file mode 100644 index ef3a9273..00000000 --- a/phox/phox-sym-lock.el +++ /dev/null @@ -1,401 +0,0 @@ -;; phox-sym-lock.el --- Extension of Font-Lock mode for symbol fontification. - -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -;; Copyright © 1997-1998 Albert Cohen, all rights reserved. -;; Copying is covered by the GNU General Public License. -;; -;; This program is free software; you can redistribute it and/or modify -;; it under the terms of the GNU General Public License as published by -;; the Free Software Foundation; either version 2 of the License, or -;; (at your option) any later version. -;; -;; This program is distributed in the hope that it will be useful, -;; but WITHOUT ANY WARRANTY; without even the implied warranty of -;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -;; GNU General Public License for more details. - -(require 'proof-compat) ; avoid compile warnings - -(defcustom phox-sym-lock-enabled t - "*Whether to use yum symbol or not." - :type 'boolean - :group 'phox) - -;; DA: I have crudely hacked this file so that it compiles cleanly. -;; It won't work now, but I hope we can use Unicode Tokens instead. - -(declare-function map-extents "nofile") -(declare-function extent-face "nofile") -(declare-function face-property "nofile") -(declare-function set-extent-endpoints "nofile") -(declare-function extent-start-position "nofile") -(declare-function extent-end-position "nofile") -(declare-function set-extent-property "nofile") -(declare-function face-font-name "nofile") -(declare-function font-name "nofile") -(declare-function char-int "nofile") -(declare-function obj "nofile") -(declare-function set-face-property "nofile") -(declare-function add-menu-button "nofile") - - -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -;; History -;; -;; first prototype by wg <wg@cs.tu-berlin.de> 5-96 -;; tweaked by Steve Dunham <dunham@gdl.msu.edu> 5-96 -;; rewritten and enhanced by Albert Cohen <Albert.Cohen@prism.uvsq.fr> 3-97 -;; new symbol-face format and ergonomy improvement by Albert Cohen 2-98 -;; major step towards portability and customization by Albert Cohen 5-98 -;; removed bug with multiple appends in hook by Albert Cohen 3-99 -;; removed phox-sym-lock-face&atom which where not working by C Raffalli 4-2000 - -;; more about symbol font ? check out: xfd -fn '-adobe-symbol-*--12-*' - -(require 'font-lock) -(if (featurep 'xemacs) - (require 'atomic-extents)) ;; not available on GNU Emacs - -(defvar phox-sym-lock-sym-count 0 - "Counter for internal symbols.") - -(defvar phox-sym-lock-ext-start nil "Temporary for atomicization.") -(make-variable-buffer-local 'phox-sym-lock-ext-start) -(defvar phox-sym-lock-ext-end nil "Temporary for atomicization.") -(make-variable-buffer-local 'phox-sym-lock-ext-end) - -(defvar phox-sym-lock-font-size nil - "Default size for Phox-Sym-Lock symbol font.") -(make-variable-buffer-local 'phox-sym-lock-font-size) -(put 'phox-sym-lock-font-size 'permanent-local t) - -(defvar phox-sym-lock-keywords nil - "Similar to `font-lock-keywords'.") -(make-variable-buffer-local 'phox-sym-lock-keywords) -(put 'phox-sym-lock-keywords 'permanent-local t) - -(defvar phox-sym-lock-enabled nil - "Phox-Sym-Lock switch.") -(make-variable-buffer-local 'phox-sym-lock-enabled) -(put 'phox-sym-lock-enabled 'permanent-local t) - -(defvar phox-sym-lock-color (face-foreground 'default) - "*Phox-Sym-Lock default color in `font-lock-use-colors' mode.") -(make-variable-buffer-local 'phox-sym-lock-color) -(put 'phox-sym-lock-color 'permanent-local t) - -(defvar phox-sym-lock-mouse-face 'default - "*Face for symbols when under mouse.") -(make-variable-buffer-local 'phox-sym-lock-mouse-face) -(put 'phox-sym-lock-mouse-face 'permanent-local t) - -(defvar phox-sym-lock-mouse-face-enabled t - "Mouse face switch.") -(make-variable-buffer-local 'phox-sym-lock-mouse-face-enabled) -(put 'phox-sym-lock-mouse-face-enabled 'permanent-local t) - -(defconst phox-sym-lock-with-mule (featurep 'mule) - "Are we using Mule Xemacs ?") - -(defun phox-sym-lock-gen-symbol (&optional prefix) - "Generate a new internal symbol." - ;; where is the standard function to do this ? - (setq phox-sym-lock-sym-count (+ phox-sym-lock-sym-count 1)) - (intern (concat "phox-sym-lock-gen-" (or prefix "") - (int-to-string phox-sym-lock-sym-count)))) - - -(defun phox-sym-lock-make-symbols-atomic (&optional begin end) - "Function to make symbol faces atomic." - (if phox-sym-lock-enabled - (map-extents - (lambda (extent maparg) - (let ((face (extent-face extent)) (ext)) - (if (and face (setq ext (face-property face 'phox-sym-lock-remap))) - (progn - (if (numberp ext) - (set-extent-endpoints - extent (- (extent-start-position extent) ext) - (extent-end-position extent))) - (if ext - (progn - (if phox-sym-lock-mouse-face-enabled - (set-extent-property extent 'mouse-face - phox-sym-lock-mouse-face)) - (set-extent-property extent 'atomic t) - (set-extent-property extent 'start-open t)))))) - nil) - (current-buffer) - (if begin (save-excursion (goto-char begin) (beginning-of-line) (point)) - (point-min)) - (if end (save-excursion (goto-char end) (end-of-line) (point)) - (point-max)) - nil nil))) - -(defun phox-sym-lock-compute-font-size () - "Computes the size of the \"better\" symbol font." - (let ((font-reg (if proof-running-on-win32 - "[^:]*:[^:]*:\\([^:]*\\):[^:]*:[^:]*" - "-[^-]*-[^-]*-[^-]*-[^-]*-[^-]*-[^-]*-\\([^-]*\\)-.*")) - (font-pat (if proof-running-on-win32 - "Symbol:Regular:*::Symbol" - "-adobe-symbol-medium-r-normal--*"))) - (let ( -; face-height is not very good on win32. Why ? - (num (if (and (not proof-running-on-win32) (fboundp 'face-height)) - (face-height 'default) - (let ((str (face-font-name 'default))) - (if - (string-match font-reg str) - (string-to-number (substring str (match-beginning 1) - (match-end 1))))))) - (maxsize 100) (size) (oldsize) - (lf (and (fboundp 'list-fonts) ; da: what is this function? not defined - (list-fonts font-pat)))) - (while (and lf maxsize) - (if - (string-match font-reg - (car lf)) - (let ((str-size (substring (car lf) (match-beginning 1) - (match-end 1)))) - ; test for variable size fonts. Hope it is generic ? - (if (or (equal str-size "*")(equal str-size "")) - (progn - (setq oldsize num) - (setq lf nil)) - (setq size (string-to-number str-size)) - (if (and (> size num) (< size maxsize)) - (setq lf nil) - (setq oldsize size))))) - (setq lf (cdr lf))) - (number-to-string (if (and oldsize (< oldsize maxsize)) oldsize num))))) - -(defvar phox-sym-lock-font-name - (if window-system - (if proof-running-on-win32 - (concat "Symbol:Regular:" - (if phox-sym-lock-font-size phox-sym-lock-font-size - (phox-sym-lock-compute-font-size)) - "::Symbol") - (concat "-adobe-symbol-medium-r-normal--" - (if phox-sym-lock-font-size phox-sym-lock-font-size - (phox-sym-lock-compute-font-size)) - "-*-*-*-p-*-adobe-fontspecific")) - "") - "Name of the font used by Phox-Sym-Lock.") -(make-variable-buffer-local 'phox-sym-lock-font-name) -(put 'phox-sym-lock-font-name 'permanent-local t) - -(make-face 'phox-sym-lock-adobe-symbol-face) -; DA: DISABLED THIS top level form (PG 4.0) -;; (if phox-sym-lock-with-mule -;; (progn -;; (make-charset 'phox-sym-lock-cset-left "Char set for symbol font" -;; (list 'registry "adobe-fontspecific" -;; 'dimension 1 -;; 'chars 94 -;; ;; 'final 53 -;; ;; DA PG 3.7: above line doesn't work on XEmacs 21.5b28, gives -;; ;; Character set already defined for this DIMENSION/CHARS/FINAL/DIRECTION combo (indian-is13194) -;; ;; DA: Will 55 work? -;; 'final 55 -;; 'graphic 0)) -;; (make-charset 'phox-sym-lock-cset-right "Char set for symbol font" -;; (list 'registry "adobe-fontspecific" -;; 'dimension 1 -;; 'chars 94 -;; 'final 54 -;; 'graphic 1)) -;; (set-face-property 'phox-sym-lock-adobe-symbol-face -;; 'font phox-sym-lock-font-name nil -;; ;; DA: removed next line, it breaks "make magic" in doc -;; ;; '(mule-fonts) 'prepend, -;; )) -;; (set-face-font 'phox-sym-lock-adobe-symbol-face phox-sym-lock-font-name 'global)) - -(defun phox-sym-lock-set-foreground () - "Set foreground color of Phox-Sym-Lock faces." - (if (and (boundp 'phox-sym-lock-defaults) phox-sym-lock-defaults) - (let ((l (car phox-sym-lock-defaults)) - (color (if (and (boundp 'font-lock-use-fonts) font-lock-use-fonts) - (face-foreground 'default) phox-sym-lock-color))) - (if (and (consp l) (eq (car l) 'quote)) (setq l (eval l))) - (if (symbolp l) (setq l (eval l))) - (dolist (c l) - (setq c (nth 2 c)) - (if (consp c) (setq c (eval c))) - (if (string-match "-adobe-symbol-" (font-name (face-font c))) - (set-face-foreground c color)))))) - -(defun phox-sym-lock-translate-char (char) - (if phox-sym-lock-with-mule - (let ((code (if (integerp char) char (char-int char)))) - (with-no-warnings ;; da: dynamic scope obj - (if (< code 128) - (make-char 'phox-sym-lock-cset-left obj) - (make-char 'phox-sym-lock-cset-right (- obj 128))))) - char)) - -(defun phox-sym-lock-translate-char-or-string (obj) - (if (stringp obj) - (if phox-sym-lock-with-mule - (concat (mapcar 'phox-sym-lock-translate-char obj)) - (obj)) - (make-string 1 (phox-sym-lock-translate-char obj)))) - -(defun phox-sym-lock-remap-face (pat pos obj atomic) - "Make a temporary face which remaps the POS char of PAT to the -given OBJ under `phox-sym-lock-adobe-symbol-face' and all other characters to -the empty string. OBJ may either be a string or a character." - (let* ((name (phox-sym-lock-gen-symbol "face")) - (table (make-display-table)) - (tface (make-face name))) - (fillarray table "") - (aset table (string-to-char (substring pat (1- pos) pos)) - (phox-sym-lock-translate-char-or-string obj)) - (set-face-foreground tface (if (and (boundp 'font-lock-use-fonts) - font-lock-use-fonts) - (face-foreground 'default) phox-sym-lock-color)) - (set-face-property tface 'display-table table) - (set-face-property tface 'font (face-font 'phox-sym-lock-adobe-symbol-face)) - (set-face-property tface 'phox-sym-lock-remap atomic) ; mark it - tface ; return face value and not face name - ; the temporary face would be otherwise GCed - )) - -(defvar phox-sym-lock-clear-face - (let* ((name (phox-sym-lock-gen-symbol "face")) - (table (make-display-table)) - (tface (make-face name))) - (fillarray table "") - (set-face-property tface 'display-table table) - (set-face-property tface 'phox-sym-lock-remap 1) ; mark it - tface - ;; return face value and not face name - ;; the temporary face would be otherwise GCed - )) - -(defun phox-sym-lock (fl) - "Create font-lock table entries from a list of (PAT NUM POS OBJ) where -PAT (at NUM) is substituted by OBJ under `phox-sym-lock-adobe-symbol-face'. The -face's extent will become atomic." - (message "Computing Phox-Sym-Lock faces...") - (setq phox-sym-lock-keywords (phox-sym-lock-rec fl)) - (setq phox-sym-lock-enabled t) - (message "Computing Phox-Sym-Lock faces... done.")) - -(defun phox-sym-lock-rec (fl) - (let ((f (car fl))) - (if f - (cons (apply 'phox-sym-lock-atom-face f) - (phox-sym-lock-rec (cdr fl)))))) - -(defun phox-sym-lock-atom-face (pat num pos obj &optional override) - "Define an entry for the font-lock table which substitutes PAT (at NUM) by -OBJ under `phox-sym-lock-adobe-symbol-face'. The face extent will become atomic." - (list pat num (phox-sym-lock-remap-face pat pos obj t) override)) - -(defun phox-sym-lock-pre-idle-hook-first () - ;; da: XEmacs isms - ;; (condition-case nil - ;; (if (and phox-sym-lock-enabled font-lock-old-extent) - ;; (setq phox-sym-lock-ext-start (extent-start-position font-lock-old-extent) - ;; phox-sym-lock-ext-end (extent-end-position font-lock-old-extent)) - ;; (setq phox-sym-lock-ext-start nil)) - ;; (error (setq phox-sym-lock-ext-start nil)))) -) - -(defun phox-sym-lock-pre-idle-hook-last () - (condition-case nil - (if (and phox-sym-lock-enabled phox-sym-lock-ext-start) - (phox-sym-lock-make-symbols-atomic phox-sym-lock-ext-start phox-sym-lock-ext-end)) - (error (warn "Error caught in `phox-sym-lock-pre-idle-hook-last'")))) - -(add-hook 'font-lock-after-fontify-buffer-hook - 'phox-sym-lock-make-symbols-atomic) - -(defun phox-sym-lock-enable () - "Enable Phox-Sym-Lock on this buffer." - (interactive) - (if (not phox-sym-lock-keywords) - (error "No Phox-Sym-Lock keywords defined!") - (setq phox-sym-lock-enabled t) - (if font-lock-mode - (progn -; (setq font-lock-keywords nil) ; Font-Lock explicit-defaults bug! - (font-lock-set-defaults) - (font-lock-fontify-buffer))) - (message "Phox-Sym-Lock enabled."))) - -(defun phox-sym-lock-disable () - "Disable Phox-Sym-Lock on this buffer." - (interactive) - (if (not phox-sym-lock-keywords) - (error "No Phox-Sym-Lock keywords defined!") - (setq phox-sym-lock-enabled nil) - (if font-lock-mode - (progn -; (setq font-lock-keywords nil) ; Font-Lock explicit-defaults bug! - (font-lock-set-defaults) - (font-lock-fontify-buffer))) - (message "Phox-Sym-Lock disabled."))) - -(defun phox-sym-lock-mouse-face-enable () - "Enable special face for symbols under mouse." - (interactive) - (setq phox-sym-lock-mouse-face-enabled t) - (if phox-sym-lock-enabled - (font-lock-fontify-buffer))) - -(defun phox-sym-lock-mouse-face-disable () - "Disable special face for symbols under mouse." - (interactive) - (setq phox-sym-lock-mouse-face-enabled nil) - (if phox-sym-lock-enabled - (font-lock-fontify-buffer))) - -(defun phox-sym-lock-font-lock-hook () - "Function called by `font-lock-mode' for initialization purposes." - (add-hook 'pre-idle-hook 'phox-sym-lock-pre-idle-hook-first) - (add-hook 'pre-idle-hook 'phox-sym-lock-pre-idle-hook-last t) - (add-menu-button '("Options" "Syntax Highlighting") - ["Phox-Sym-Lock" - (if phox-sym-lock-enabled (phox-sym-lock-disable) (phox-sym-lock-enable)) - :style toggle :selected phox-sym-lock-enabled - :active phox-sym-lock-keywords] "Automatic") - (if (and (featurep 'phox-sym-lock) phox-sym-lock-enabled - font-lock-defaults (boundp 'phox-sym-lock-keywords)) - (progn - (phox-sym-lock-patch-keywords) - (phox-sym-lock-set-foreground)))) - -(defun font-lock-set-defaults (&optional explicit-defaults) - (when - (and - (featurep 'font-lock) - ;; da: font-lock has changed: - ;; (if font-lock-auto-fontify - ;; (not (memq major-mode font-lock-mode-disable-list)) - ;; (memq major-mode font-lock-mode-enable-list)) - ;; (font-lock-set-defaults-1 explicit-defaults) - (phox-sym-lock-patch-keywords)) - (turn-on-font-lock))) - -(defun phox-sym-lock-patch-keywords () - (if (and font-lock-keywords phox-sym-lock-enabled - (boundp 'phox-sym-lock-keywords) - (listp (car font-lock-keywords)) - (listp (cdar font-lock-keywords)) - (listp (cddar font-lock-keywords)) - (or (listp (caddar font-lock-keywords)) - (not (string-match - "phox-sym-lock" - (symbol-name - (face-name (cadr (cdar - font-lock-keywords)))))))) - (setq font-lock-keywords (append phox-sym-lock-keywords - font-lock-keywords))) t) - -(add-hook 'font-lock-mode-hook 'phox-sym-lock-font-lock-hook) - -(provide 'phox-sym-lock) |