lisp/obsolete/sun-curs.el

   1 ;;; sun-curs.el --- cursor definitions for Sun windows
   2
   3 ;; Copyright (C) 1987 Free Software Foundation, Inc.
   4
   5 ;; Author: Jeff Peck <peck@sun.com>
   6 ;; Keywords: hardware
   7
   8 ;; This file is part of GNU Emacs.
   9
  10 ;; GNU Emacs is free software; you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation; either version 2, or (at your option)
  13 ;; any later version.
  14
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23 ;; Boston, MA 02111-1307, USA.
  24
  25 ;;; Commentary:
  26
  27 ;;; Code:
  28
  29 ;;;
  30 ;;; Added some more cursors and moved the hot spots
  31 ;;; Cursor defined by 16 pairs of 16-bit numbers
  32 ;;;
  33 ;;; 9-dec-86 Jeff Peck, Sun Microsystems Inc. <peck@sun.com>
  34
  35 (eval-when-compile (require 'cl))
  36 (require 'sun-fns)
  37
  38 (eval-and-compile
  39   (defvar sc::cursors nil "List of known cursors"))
  40
  41 (defmacro defcursor (name x y string)
  42   (if (not (memq name sc::cursors))
  43       (setq sc::cursors (cons name sc::cursors)))
  44   (list 'defconst name (list 'vector x y string)))
  45
  46 ;;; push should be defined in common lisp, but if not use this:
  47 ;(defmacro push (v l)
  48 ;  "The ITEM is evaluated and consed onto LIST, a list-valued atom"
  49 ;  (list 'setq l (list 'cons v l)))
  50
  51 ;;;
  52 ;;; The standard default cursor
  53 ;;;
  54 (defcursor sc:right-arrow 15 0
  55   (concat '(0 1 0 3 0 7 0 15 0 31 0 63 0 127 0 15
  56               0 27 0 25 0 48 0 48 0 96 0 96 0 192 0 192)))
  57
  58 ;;(sc:set-cursor sc:right-arrow)
  59
  60 (defcursor sc:fat-left-arrow 0 8
  61   (concat '(1 0 3 0 7 0 15 0 31 0 63 255 127 255 255 255
  62               255 255 127 255 63 255 31 0 15 0 7 0 3 0 1 0)))
  63
  64 (defcursor sc:box 8 8
  65   (concat '(15 252 8 4 8 4 8 4 8 4 8 4 8 4 8 4
  66                8 132 8 4 8 4 8 4 8 4 8 4 8 4 15 252)))
  67
  68 (defcursor sc:hourglass 8 8
  69   (concat "\177\376\100\002\040\014\032\070"
  70           "\017\360\007\340\003\300\001\200"
  71           "\001\200\002\100\005\040\010\020"
  72           "\021\210\043\304\107\342\177\376"))
  73
  74 (defun sc:set-cursor (icon)
  75   "Change the Sun mouse cursor to ICON.
  76 If ICON is nil, switch to the system default cursor,
  77 Otherwise, ICON should be a vector or the name of a vector of [x y 32-chars]"
  78   (interactive "XIcon Name: ")
  79   (if (symbolp icon) (setq icon (symbol-value icon)))
  80   (sun-change-cursor-icon icon))
  81
  82 (make-local-variable '*edit-icon*)
  83 (make-variable-buffer-local 'icon-edit)
  84 (setq-default icon-edit nil)
  85 (or (assq 'icon-edit minor-mode-alist)
  86     (push '(icon-edit " IconEdit") minor-mode-alist))
  87
  88 (defun sc:edit-cursor (icon)
  89   "convert icon to rectangle, edit, and repack"
  90   (interactive "XIcon Name: ")
  91   (if (not icon) (setq icon (sc::menu-choose-cursor (selected-window) 1 1)))
  92   (if (symbolp icon) (setq icon (symbol-value icon)))
  93   (if (get-buffer "icon-edit") (kill-buffer "icon-edit"))
  94   (switch-to-buffer "icon-edit")
  95   (local-set-mouse '(text right) 'sc::menu-function)
  96   (local-set-mouse '(text left) '(sc::pic-ins-at-mouse 32))
  97   (local-set-mouse '(text middle) '(sc::pic-ins-at-mouse 64))
  98   (local-set-mouse '(text left middle) 'sc::hotspot)
  99   (sc::display-icon icon)
 100   (picture-mode)
 101   (setq icon-edit t)    ; for mode line display
 102 )
 103 \f
 104 (defun sc::pic-ins-at-mouse (char)
 105   "Picture insert char at mouse location"
 106   (mouse-move-point *mouse-window* (min 15 *mouse-x*) (min 15 *mouse-y*))
 107   (move-to-column (1+ (min 15 (current-column))) t)
 108   (delete-char -1)
 109   (insert char)
 110   (sc::goto-hotspot))
 111
 112 (defun sc::menu-function (window x y)
 113   (sun-menu-evaluate window (1+ x) y sc::menu))
 114
 115 (defmenu sc::menu
 116   ("Cursor Menu")
 117   ("Pack & Use" sc::pack-buffer-to-cursor)
 118   ("Pack to Icon" sc::pack-buffer-to-icon
 119                   (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*))
 120   ("New Icon" call-interactively 'sc::make-cursor)
 121   ("Edit Icon" sc:edit-cursor
 122                (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*))
 123   ("Set Cursor" sc:set-cursor
 124                 (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*))
 125   ("Reset Cursor" sc:set-cursor nil)
 126   ("Help" sc::edit-icon-help-menu)
 127   ("Quit" sc::quit-edit)
 128   )
 129
 130 (defun sc::quit-edit ()
 131   (interactive)
 132   (bury-buffer (current-buffer))
 133   (switch-to-buffer (other-buffer) 'no-record))
 134
 135 (defun sc::make-cursor (symbol)
 136   (interactive "SIcon Name: ")
 137   (eval (list 'defcursor symbol 0 0 ""))
 138   (sc::pack-buffer-to-icon (symbol-value symbol)))
 139
 140 (defmenu sc::edit-icon-help-menu
 141   ("Simple Icon Editor")
 142   ("Left     => CLEAR")
 143   ("Middle   => SET")
 144   ("L & M    => HOTSPOT")
 145   ("Right    => MENU"))
 146
 147 (defun sc::edit-icon-help ()
 148   (message "Left=> CLEAR  Middle=> SET  Left+Middle=> HOTSPOT  Right=> MENU"))
 149
 150 (defun sc::pack-buffer-to-cursor ()
 151     (sc::pack-buffer-to-icon *edit-icon*)
 152     (sc:set-cursor *edit-icon*))
 153
 154 (defun sc::menu-choose-cursor (window x y)
 155   "Presents a menu of cursor names, and returns one or nil"
 156   (let ((curs sc::cursors)
 157         (items))
 158     (while curs
 159       (push (sc::menu-item-for-cursor (car curs)) items)
 160       (setq curs (cdr curs)))
 161     (push (list "Choose Cursor") items)
 162     (setq menu (menu-create items))
 163     (sun-menu-evaluate window x y menu)))
 164
 165 (defun sc::menu-item-for-cursor (cursor)
 166   "apply function to selected cursor"
 167   (list (symbol-name cursor) 'quote cursor))
 168
 169 (defun sc::hotspot (window x y)
 170   (aset *edit-icon* 0 x)
 171   (aset *edit-icon* 1 y)
 172   (sc::goto-hotspot))
 173
 174 (defun sc::goto-hotspot ()
 175   (goto-line (1+ (aref *edit-icon* 1)))
 176   (move-to-column (aref *edit-icon* 0)))
 177
 178 (defun sc::display-icon (icon)
 179   (setq *edit-icon* (copy-sequence icon))
 180   (let ((string (aref *edit-icon* 2))
 181         (index 0))
 182     (while (< index 32)
 183       (let ((char (aref string index))
 184             (bit 128))
 185         (while (> bit 0)
 186           (insert (sc::char-at-bit char bit))
 187           (setq bit (lsh bit -1))))
 188       (if (eq 1 (% index 2)) (newline))
 189       (setq index (1+ index))))
 190   (sc::goto-hotspot))
 191
 192 (defun sc::char-at-bit (char bit)
 193   (if (> (logand char bit) 0) "@" " "))
 194
 195 (defun sc::pack-buffer-to-icon (icon)
 196   "Pack 16 x 16 field into icon string"
 197   (goto-char (point-min))
 198   (aset icon 0 (aref *edit-icon* 0))
 199   (aset icon 1 (aref *edit-icon* 1))
 200   (aset icon 2 (mapconcat 'sc::pack-one-line "1234567890123456" ""))
 201   (sc::goto-hotspot)
 202   )
 203
 204 (defun sc::pack-one-line (dummy)
 205   (let* (char chr1 chr2)
 206     (setq char 0 chr1 (mapconcat 'sc::pack-one-char "12345678" "") chr1 char)
 207     (setq char 0 chr2 (mapconcat 'sc::pack-one-char "12345678" "") chr2 char)
 208     (forward-line 1)
 209     (concat (char-to-string chr1) (char-to-string chr2))
 210     ))
 211
 212 (defun sc::pack-one-char (dummy)
 213   "pack following char into char, unless eolp"
 214   (if (or (eolp) (char-equal (following-char) 32))
 215       (setq char (lsh char 1))
 216     (setq char (1+ (lsh char 1))))
 217   (if (not (eolp))(forward-char)))
 218
 219 (provide 'sun-curs)
 220
 221 ;;; sun-curs.el ends here