Annotation of 43BSDReno/contrib/emacs-18.55/lisp/sun-cursors.el, revision 1.1.1.1

1.1       root        1: ;; Cursor definitions for Sun windows
                      2: ;; Copyright (C) 1987 Free Software Foundation, Inc.
                      3: 
                      4: ;; This file is part of GNU Emacs.
                      5: 
                      6: ;; GNU Emacs is distributed in the hope that it will be useful,
                      7: ;; but WITHOUT ANY WARRANTY.  No author or distributor
                      8: ;; accepts responsibility to anyone for the consequences of using it
                      9: ;; or for whether it serves any particular purpose or works at all,
                     10: ;; unless he says so in writing.  Refer to the GNU Emacs General Public
                     11: ;; License for full details.
                     12: 
                     13: ;; Everyone is granted permission to copy, modify and redistribute
                     14: ;; GNU Emacs, but only under the conditions described in the
                     15: ;; GNU Emacs General Public License.   A copy of this license is
                     16: ;; supposed to have been given to you along with GNU Emacs so you
                     17: ;; can know your rights and responsibilities.  It should be in a
                     18: ;; file named COPYING.  Among other things, the copyright notice
                     19: ;; and this notice must be preserved on all copies.
                     20: 
                     21: ;;;
                     22: ;;; Added some more cursors and moved the hot spots
                     23: ;;; Cursor defined by 16 pairs of 16-bit numbers
                     24: ;;;
                     25: ;;; 9-dec-86 Jeff Peck, Sun Microsystems Inc. <[email protected]>
                     26: 
                     27: (provide 'sm-cursors)
                     28: 
                     29: (defvar sc::cursors nil "List of known cursors")
                     30: 
                     31: (defmacro defcursor (name x y string)
                     32:   (if (not (memq name sc::cursors)) 
                     33:       (setq sc::cursors (cons name sc::cursors)))
                     34:   (list 'defconst name (list 'vector x y string)))
                     35: 
                     36: ;;; push should be defined in common lisp, but if not use this:
                     37: ;(defmacro push (v l)
                     38: ;  "The ITEM is evaluated and consed onto LIST, a list-valued atom"
                     39: ;  (list 'setq l (list 'cons v l)))
                     40: 
                     41: ;;;
                     42: ;;; The standard default cursor
                     43: ;;;
                     44: (defcursor sc:right-arrow 15 0
                     45:   (concat '(0 1 0 3 0 7 0 15 0 31 0 63 0 127 0 15
                     46:              0 27 0 25 0 48 0 48 0 96 0 96 0 192 0 192)))
                     47: 
                     48: ;;(sc:set-cursor sc:right-arrow)
                     49: 
                     50: (defcursor sc:fat-left-arrow 0 8
                     51:   (concat '(1 0 3 0 7 0 15 0 31 0 63 255 127 255 255 255
                     52:              255 255 127 255 63 255 31 0 15 0 7 0 3 0 1 0)))
                     53: 
                     54: (defcursor sc:box 8 8
                     55:   (concat '(15 252 8 4 8 4 8 4 8 4 8 4 8 4 8 4
                     56:               8 132 8 4 8 4 8 4 8 4 8 4 8 4 15 252)))
                     57: 
                     58: (defcursor sc:hourglass 8 8
                     59:   (concat "\177\376\100\002\040\014\032\070"
                     60:          "\017\360\007\340\003\300\001\200"
                     61:          "\001\200\002\100\005\040\010\020"
                     62:          "\021\210\043\304\107\342\177\376"))
                     63: 
                     64: (defun sc:set-cursor (icon)
                     65:   "Change the Sun mouse cursor to ICON.
                     66: If ICON is nil, switch to the system default cursor,
                     67: Otherwise, ICON should be a vector or the name of a vector of [x y 32-chars]"
                     68:   (interactive "XIcon Name: ")
                     69:   (if (symbolp icon) (setq icon (symbol-value icon)))
                     70:   (sun-change-cursor-icon icon))
                     71: 
                     72: (make-local-variable '*edit-icon*)
                     73: (make-variable-buffer-local 'icon-edit)
                     74: (setq-default icon-edit nil)
                     75: (or (assq 'icon-edit minor-mode-alist)
                     76:     (push '(icon-edit " IconEdit") minor-mode-alist))
                     77: 
                     78: (defun sc:edit-cursor (icon)
                     79:   "convert icon to rectangle, edit, and repack"
                     80:   (interactive "XIcon Name: ")
                     81:   (if (not icon) (setq icon (sc::menu-choose-cursor (selected-window) 1 1)))
                     82:   (if (symbolp icon) (setq icon (symbol-value icon)))
                     83:   (if (get-buffer "icon-edit") (kill-buffer "icon-edit"))
                     84:   (switch-to-buffer "icon-edit")
                     85:   (local-set-mouse '(text right) 'sc::menu-function)
                     86:   (local-set-mouse '(text left) '(sc::pic-ins-at-mouse 32))
                     87:   (local-set-mouse '(text middle) '(sc::pic-ins-at-mouse 64))
                     88:   (local-set-mouse '(text left middle) 'sc::hotspot)
                     89:   (sc::display-icon icon)
                     90:   (picture-mode)
                     91:   (setq icon-edit t)   ; for mode line display
                     92: )
                     93: 
                     94: (defun sc::pic-ins-at-mouse (char)
                     95:   "Picture insert char at mouse location"
                     96:   (mouse-move-point *mouse-window* (min 15 *mouse-x*) (min 15 *mouse-y*))
                     97:   (move-to-column-force (1+ (min 15 (current-column))))
                     98:   (delete-char -1)
                     99:   (insert char)
                    100:   (sc::goto-hotspot))
                    101:     
                    102: (defun sc::menu-function (window x y)
                    103:   (sun-menu-evaluate window (1+ x) y sc::menu))
                    104: 
                    105: (defmenu sc::menu
                    106:   ("Cursor Menu")
                    107:   ("Pack & Use" sc::pack-buffer-to-cursor)
                    108:   ("Pack to Icon" sc::pack-buffer-to-icon 
                    109:                  (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*))
                    110:   ("New Icon" call-interactively 'sc::make-cursor)
                    111:   ("Edit Icon" sc:edit-cursor 
                    112:               (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*))
                    113:   ("Set Cursor" sc:set-cursor
                    114:                (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*)) 
                    115:   ("Reset Cursor" sc:set-cursor nil)
                    116:   ("Help". sc::edit-icon-help-menu)
                    117:   ("Quit" sc::quit-edit)
                    118:   )
                    119: 
                    120: (defun sc::quit-edit ()
                    121:   (interactive)
                    122:   (bury-buffer (current-buffer))
                    123:   (switch-to-buffer (other-buffer) 'no-record))
                    124: 
                    125: (defun sc::make-cursor (symbol)
                    126:   (interactive "SIcon Name: ")
                    127:   (eval (list 'defcursor symbol 0 0 ""))
                    128:   (sc::pack-buffer-to-icon (symbol-value symbol)))
                    129: 
                    130: (defmenu sc::edit-icon-help-menu
                    131:   ("Simple Icon Editor")
                    132:   ("Left     => CLEAR")
                    133:   ("Middle   => SET")
                    134:   ("L & M    => HOTSPOT")
                    135:   ("Right    => MENU"))
                    136: 
                    137: (defun sc::edit-icon-help ()
                    138:   (message "Left=> CLEAR  Middle=> SET  Left+Middle=> HOTSPOT  Right=> MENU"))
                    139: 
                    140: (defun sc::pack-buffer-to-cursor ()
                    141:     (sc::pack-buffer-to-icon *edit-icon*)
                    142:     (sc:set-cursor *edit-icon*))
                    143: 
                    144: (defun sc::menu-choose-cursor (window x y)
                    145:   "Presents a menu of cursor names, and returns one or nil"
                    146:   (let ((curs sc::cursors) 
                    147:        (items))
                    148:     (while curs
                    149:       (push (sc::menu-item-for-cursor (car curs)) items)
                    150:       (setq curs (cdr curs)))
                    151:     (push (list "Choose Cursor") items)
                    152:     (setq menu (menu-create items))
                    153:     (sun-menu-evaluate window x y menu)))
                    154: 
                    155: (defun sc::menu-item-for-cursor (cursor)
                    156:   "apply function to selected cursor"
                    157:   (list (symbol-name cursor) 'quote cursor))
                    158: 
                    159: (defun sc::hotspot (window x y)
                    160:   (aset *edit-icon* 0 x)
                    161:   (aset *edit-icon* 1 y)
                    162:   (sc::goto-hotspot))
                    163: 
                    164: (defun sc::goto-hotspot ()
                    165:   (goto-line (1+ (aref *edit-icon* 1)))
                    166:   (move-to-column (aref *edit-icon* 0)))
                    167: 
                    168: (defun sc::display-icon (icon)
                    169:   (setq *edit-icon* (copy-sequence icon))
                    170:   (let ((string (aref *edit-icon* 2))
                    171:        (index 0))
                    172:     (while (< index 32)
                    173:       (let ((char (aref string index))
                    174:            (bit 128))
                    175:        (while (> bit 0)
                    176:          (insert (sc::char-at-bit char bit))
                    177:          (setq bit (lsh bit -1))))
                    178:       (if (eq 1 (mod index 2)) (newline))
                    179:       (setq index (1+ index))))
                    180:   (sc::goto-hotspot))
                    181: 
                    182: (defun sc::char-at-bit (char bit)
                    183:   (if (> (logand char bit) 0) "@" " "))
                    184: 
                    185: (defun sc::pack-buffer-to-icon (icon)
                    186:   "Pack 16 x 16 field into icon string"
                    187:   (goto-char (point-min))
                    188:   (aset icon 0 (aref *edit-icon* 0))
                    189:   (aset icon 1 (aref *edit-icon* 1))
                    190:   (aset icon 2 (mapconcat 'sc::pack-one-line "1234567890123456" ""))
                    191:   (sc::goto-hotspot)
                    192:   )
                    193:   
                    194: (defun sc::pack-one-line (dummy)
                    195:   (let* (char chr1 chr2)
                    196:     (setq char 0 chr1 (mapconcat 'sc::pack-one-char "12345678" "") chr1 char)
                    197:     (setq char 0 chr2 (mapconcat 'sc::pack-one-char "12345678" "") chr2 char)
                    198:     (forward-line 1)
                    199:     (concat (char-to-string chr1) (char-to-string chr2))
                    200:     ))
                    201: 
                    202: (defun sc::pack-one-char (dummy)
                    203:   "pack following char into char, unless eolp"
                    204:   (if (or (eolp) (char-equal (following-char) 32))
                    205:       (setq char (lsh char 1)) 
                    206:     (setq char (1+ (lsh char 1))))
                    207:   (if (not (eolp))(forward-char)))
                    208: 

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