code.delx.au - gnu-emacs/blob - lisp/obsolete/sun-curs.el

   1 ;;; sun-curs.el --- cursor definitions for Sun windows
   2
   3 ;; Copyright (C) 1987, 2002, 2003, 2004, 2005,
   4 ;;   2006 Free Software Foundation, Inc.
   5
   6 ;; Author: Jeff Peck <peck@sun.com>
   7 ;; Keywords: hardware
   8
   9 ;; This file is part of GNU Emacs.
  10
  11 ;; GNU Emacs is free software; you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation; either version 2, or (at your option)
  14 ;; any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  24 ;; Boston, MA 02110-1301, USA.
  25
  26 ;;; Commentary:
  27
  28 ;;; Code:
  29
  30 ;;;
  31 ;;; Added some more cursors and moved the hot spots
  32 ;;; Cursor defined by 16 pairs of 16-bit numbers
  33 ;;;
  34 ;;; 9-dec-86 Jeff Peck, Sun Microsystems Inc. <peck@sun.com>
  35
  36 (eval-when-compile (require 'cl))
  37
  38 (defvar *edit-icon*)
  39 (defvar char)
  40 ;; These are from term/sun-mouse.el
  41 (defvar *mouse-window*)
  42 (defvar *mouse-x*)
  43 (defvar *mouse-y*)
  44 (defvar menu)
  45
  46 (require 'sun-fns)
  47
  48 (eval-and-compile
  49   (defvar sc::cursors nil "List of known cursors"))
  50
  51 (defmacro defcursor (name x y string)
  52   (if (not (memq name sc::cursors))
  53       (setq sc::cursors (cons name sc::cursors)))
  54   (list 'defconst name (list 'vector x y string)))
  55
  56 ;;; push should be defined in common lisp, but if not use this:
  57 ;(defmacro push (v l)
  58 ;  "The ITEM is evaluated and consed onto LIST, a list-valued atom"
  59 ;  (list 'setq l (list 'cons v l)))
  60
  61 ;;;
  62 ;;; The standard default cursor
  63 ;;;
  64 (defcursor sc:right-arrow 15 0
  65   (concat '(0 1 0 3 0 7 0 15 0 31 0 63 0 127 0 15
  66               0 27 0 25 0 48 0 48 0 96 0 96 0 192 0 192)))
  67
  68 ;;(sc:set-cursor sc:right-arrow)
  69
  70 (defcursor sc:fat-left-arrow 0 8
  71   (concat '(1 0 3 0 7 0 15 0 31 0 63 255 127 255 255 255
  72               255 255 127 255 63 255 31 0 15 0 7 0 3 0 1 0)))
  73
  74 (defcursor sc:box 8 8
  75   (concat '(15 252 8 4 8 4 8 4 8 4 8 4 8 4 8 4
  76                8 132 8 4 8 4 8 4 8 4 8 4 8 4 15 252)))
  77
  78 (defcursor sc:hourglass 8 8
  79   (concat "\177\376\100\002\040\014\032\070"
  80           "\017\360\007\340\003\300\001\200"
  81           "\001\200\002\100\005\040\010\020"
  82           "\021\210\043\304\107\342\177\376"))
  83
  84 (defun sc:set-cursor (icon)
  85   "Change the Sun mouse cursor to ICON.
  86 If ICON is nil, switch to the system default cursor,
  87 Otherwise, ICON should be a vector or the name of a vector of [x y 32-chars]"
  88   (interactive "XIcon Name: ")
  89   (if (symbolp icon) (setq icon (symbol-value icon)))
  90   (sun-change-cursor-icon icon))
  91
  92 ;; This does not make much sense...
  93 (make-local-variable '*edit-icon*)
  94
  95 (defvar icon-edit nil)
  96 (make-variable-buffer-local 'icon-edit)
  97 (or (assq 'icon-edit minor-mode-alist)
  98     (push '(icon-edit " IconEdit") minor-mode-alist))
  99
 100 (defun sc:edit-cursor (icon)
 101   "convert icon to rectangle, edit, and repack"
 102   (interactive "XIcon Name: ")
 103   (if (not icon) (setq icon (sc::menu-choose-cursor (selected-window) 1 1)))
 104   (if (symbolp icon) (setq icon (symbol-value icon)))
 105   (if (get-buffer "icon-edit") (kill-buffer "icon-edit"))
 106   (switch-to-buffer "icon-edit")
 107   (local-set-mouse '(text right) 'sc::menu-function)
 108   (local-set-mouse '(text left) '(sc::pic-ins-at-mouse 32))
 109   (local-set-mouse '(text middle) '(sc::pic-ins-at-mouse 64))
 110   (local-set-mouse '(text left middle) 'sc::hotspot)
 111   (sc::display-icon icon)
 112   (picture-mode)
 113   (setq icon-edit t)    ; for mode line display
 114 )
 115 \f
 116 (defun sc::pic-ins-at-mouse (char)
 117   "Picture insert char at mouse location"
 118   (mouse-move-point *mouse-window* (min 15 *mouse-x*) (min 15 *mouse-y*))
 119   (move-to-column (1+ (min 15 (current-column))) t)
 120   (delete-char -1)
 121   (insert char)
 122   (sc::goto-hotspot))
 123
 124 (defmenu sc::menu
 125   ("Cursor Menu")
 126   ("Pack & Use" sc::pack-buffer-to-cursor)
 127   ("Pack to Icon" sc::pack-buffer-to-icon
 128                   (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*))
 129   ("New Icon" call-interactively 'sc::make-cursor)
 130   ("Edit Icon" sc:edit-cursor
 131                (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*))
 132   ("Set Cursor" sc:set-cursor
 133                 (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*))
 134   ("Reset Cursor" sc:set-cursor nil)
 135   ("Help" sc::edit-icon-help-menu)
 136   ("Quit" sc::quit-edit)
 137   )
 138
 139 (defun sc::menu-function (window x y)
 140   (sun-menu-evaluate window (1+ x) y sc::menu))
 141
 142 (defun sc::quit-edit ()
 143   (interactive)
 144   (bury-buffer (current-buffer))
 145   (switch-to-buffer (other-buffer) 'no-record))
 146
 147 (defun sc::make-cursor (symbol)
 148   (interactive "SIcon Name: ")
 149   (eval (list 'defcursor symbol 0 0 ""))
 150   (sc::pack-buffer-to-icon (symbol-value symbol)))
 151
 152 (defmenu sc::edit-icon-help-menu
 153   ("Simple Icon Editor")
 154   ("Left     => CLEAR")
 155   ("Middle   => SET")
 156   ("L & M    => HOTSPOT")
 157   ("Right    => MENU"))
 158
 159 (defun sc::edit-icon-help ()
 160   (message "Left=> CLEAR  Middle=> SET  Left+Middle=> HOTSPOT  Right=> MENU"))
 161
 162 (defun sc::pack-buffer-to-cursor ()
 163     (sc::pack-buffer-to-icon *edit-icon*)
 164     (sc:set-cursor *edit-icon*))
 165
 166 (defun sc::menu-choose-cursor (window x y)
 167   "Presents a menu of cursor names, and returns one or nil"
 168   (let ((curs sc::cursors)
 169         (items))
 170     (while curs
 171       (push (sc::menu-item-for-cursor (car curs)) items)
 172       (setq curs (cdr curs)))
 173     (push (list "Choose Cursor") items)
 174     (setq menu (menu-create items))
 175     (sun-menu-evaluate window x y menu)))
 176
 177 (defun sc::menu-item-for-cursor (cursor)
 178   "apply function to selected cursor"
 179   (list (symbol-name cursor) 'quote cursor))
 180
 181 (defun sc::hotspot (window x y)
 182   (aset *edit-icon* 0 x)
 183   (aset *edit-icon* 1 y)
 184   (sc::goto-hotspot))
 185
 186 (defun sc::goto-hotspot ()
 187   (goto-line (1+ (aref *edit-icon* 1)))
 188   (move-to-column (aref *edit-icon* 0)))
 189
 190 (defun sc::display-icon (icon)
 191   (setq *edit-icon* (copy-sequence icon))
 192   (let ((string (aref *edit-icon* 2))
 193         (index 0))
 194     (while (< index 32)
 195       (let ((char (aref string index))
 196             (bit 128))
 197         (while (> bit 0)
 198           (insert (sc::char-at-bit char bit))
 199           (setq bit (lsh bit -1))))
 200       (if (eq 1 (% index 2)) (newline))
 201       (setq index (1+ index))))
 202   (sc::goto-hotspot))
 203
 204 (defun sc::char-at-bit (char bit)
 205   (if (> (logand char bit) 0) "@" " "))
 206
 207 (defun sc::pack-buffer-to-icon (icon)
 208   "Pack 16 x 16 field into icon string"
 209   (goto-char (point-min))
 210   (aset icon 0 (aref *edit-icon* 0))
 211   (aset icon 1 (aref *edit-icon* 1))
 212   (aset icon 2 (mapconcat 'sc::pack-one-line "1234567890123456" ""))
 213   (sc::goto-hotspot)
 214   )
 215
 216 (defun sc::pack-one-line (dummy)
 217   (let (char chr1 chr2)
 218     (setq char 0 chr1 (mapconcat 'sc::pack-one-char "12345678" "") chr1 char)
 219     (setq char 0 chr2 (mapconcat 'sc::pack-one-char "12345678" "") chr2 char)
 220     (forward-line 1)
 221     (concat (char-to-string chr1) (char-to-string chr2))
 222     ))
 223
 224 (defun sc::pack-one-char (dummy)
 225   "pack following char into char, unless eolp"
 226   (if (or (eolp) (char-equal (following-char) 32))
 227       (setq char (lsh char 1))
 228     (setq char (1+ (lsh char 1))))
 229   (if (not (eolp))(forward-char)))
 230
 231 (provide 'sun-curs)
 232
 233 ;;; arch-tag: 7cc861e5-e2d9-4191-b211-2baaaab54e78
 234 ;;; sun-curs.el ends here