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 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., 51 Franklin Street, Fifth Floor,
  23 ;; Boston, MA 02110-1301, 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
  37 (defvar *edit-icon*)
  38 (defvar char)
  39 ;; These are from term/sun-mouse.el
  40 (defvar *mouse-window*)
  41 (defvar *mouse-x*)
  42 (defvar *mouse-y*)
  43 (defvar menu)
  44
  45 (require 'sun-fns)
  46
  47 (eval-and-compile
  48   (defvar sc::cursors nil "List of known cursors"))
  49
  50 (defmacro defcursor (name x y string)
  51   (if (not (memq name sc::cursors))
  52       (setq sc::cursors (cons name sc::cursors)))
  53   (list 'defconst name (list 'vector x y string)))
  54
  55 ;;; push should be defined in common lisp, but if not use this:
  56 ;(defmacro push (v l)
  57 ;  "The ITEM is evaluated and consed onto LIST, a list-valued atom"
  58 ;  (list 'setq l (list 'cons v l)))
  59
  60 ;;;
  61 ;;; The standard default cursor
  62 ;;;
  63 (defcursor sc:right-arrow 15 0
  64   (concat '(0 1 0 3 0 7 0 15 0 31 0 63 0 127 0 15
  65               0 27 0 25 0 48 0 48 0 96 0 96 0 192 0 192)))
  66
  67 ;;(sc:set-cursor sc:right-arrow)
  68
  69 (defcursor sc:fat-left-arrow 0 8
  70   (concat '(1 0 3 0 7 0 15 0 31 0 63 255 127 255 255 255
  71               255 255 127 255 63 255 31 0 15 0 7 0 3 0 1 0)))
  72
  73 (defcursor sc:box 8 8
  74   (concat '(15 252 8 4 8 4 8 4 8 4 8 4 8 4 8 4
  75                8 132 8 4 8 4 8 4 8 4 8 4 8 4 15 252)))
  76
  77 (defcursor sc:hourglass 8 8
  78   (concat "\177\376\100\002\040\014\032\070"
  79           "\017\360\007\340\003\300\001\200"
  80           "\001\200\002\100\005\040\010\020"
  81           "\021\210\043\304\107\342\177\376"))
  82
  83 (defun sc:set-cursor (icon)
  84   "Change the Sun mouse cursor to ICON.
  85 If ICON is nil, switch to the system default cursor,
  86 Otherwise, ICON should be a vector or the name of a vector of [x y 32-chars]"
  87   (interactive "XIcon Name: ")
  88   (if (symbolp icon) (setq icon (symbol-value icon)))
  89   (sun-change-cursor-icon icon))
  90
  91 ;; This does not make much sense...
  92 (make-local-variable '*edit-icon*)
  93
  94 (defvar icon-edit nil)
  95 (make-variable-buffer-local 'icon-edit)
  96 (or (assq 'icon-edit minor-mode-alist)
  97     (push '(icon-edit " IconEdit") minor-mode-alist))
  98
  99 (defun sc:edit-cursor (icon)
 100   "convert icon to rectangle, edit, and repack"
 101   (interactive "XIcon Name: ")
 102   (if (not icon) (setq icon (sc::menu-choose-cursor (selected-window) 1 1)))
 103   (if (symbolp icon) (setq icon (symbol-value icon)))
 104   (if (get-buffer "icon-edit") (kill-buffer "icon-edit"))
 105   (switch-to-buffer "icon-edit")
 106   (local-set-mouse '(text right) 'sc::menu-function)
 107   (local-set-mouse '(text left) '(sc::pic-ins-at-mouse 32))
 108   (local-set-mouse '(text middle) '(sc::pic-ins-at-mouse 64))
 109   (local-set-mouse '(text left middle) 'sc::hotspot)
 110   (sc::display-icon icon)
 111   (picture-mode)
 112   (setq icon-edit t)    ; for mode line display
 113 )
 114 \f
 115 (defun sc::pic-ins-at-mouse (char)
 116   "Picture insert char at mouse location"
 117   (mouse-move-point *mouse-window* (min 15 *mouse-x*) (min 15 *mouse-y*))
 118   (move-to-column (1+ (min 15 (current-column))) t)
 119   (delete-char -1)
 120   (insert char)
 121   (sc::goto-hotspot))
 122
 123 (defmenu sc::menu
 124   ("Cursor Menu")
 125   ("Pack & Use" sc::pack-buffer-to-cursor)
 126   ("Pack to Icon" sc::pack-buffer-to-icon
 127                   (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*))
 128   ("New Icon" call-interactively 'sc::make-cursor)
 129   ("Edit Icon" sc:edit-cursor
 130                (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*))
 131   ("Set Cursor" sc:set-cursor
 132                 (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*))
 133   ("Reset Cursor" sc:set-cursor nil)
 134   ("Help" sc::edit-icon-help-menu)
 135   ("Quit" sc::quit-edit)
 136   )
 137
 138 (defun sc::menu-function (window x y)
 139   (sun-menu-evaluate window (1+ x) y sc::menu))
 140
 141 (defun sc::quit-edit ()
 142   (interactive)
 143   (bury-buffer (current-buffer))
 144   (switch-to-buffer (other-buffer) 'no-record))
 145
 146 (defun sc::make-cursor (symbol)
 147   (interactive "SIcon Name: ")
 148   (eval (list 'defcursor symbol 0 0 ""))
 149   (sc::pack-buffer-to-icon (symbol-value symbol)))
 150
 151 (defmenu sc::edit-icon-help-menu
 152   ("Simple Icon Editor")
 153   ("Left     => CLEAR")
 154   ("Middle   => SET")
 155   ("L & M    => HOTSPOT")
 156   ("Right    => MENU"))
 157
 158 (defun sc::edit-icon-help ()
 159   (message "Left=> CLEAR  Middle=> SET  Left+Middle=> HOTSPOT  Right=> MENU"))
 160
 161 (defun sc::pack-buffer-to-cursor ()
 162     (sc::pack-buffer-to-icon *edit-icon*)
 163     (sc:set-cursor *edit-icon*))
 164
 165 (defun sc::menu-choose-cursor (window x y)
 166   "Presents a menu of cursor names, and returns one or nil"
 167   (let ((curs sc::cursors)
 168         (items))
 169     (while curs
 170       (push (sc::menu-item-for-cursor (car curs)) items)
 171       (setq curs (cdr curs)))
 172     (push (list "Choose Cursor") items)
 173     (setq menu (menu-create items))
 174     (sun-menu-evaluate window x y menu)))
 175
 176 (defun sc::menu-item-for-cursor (cursor)
 177   "apply function to selected cursor"
 178   (list (symbol-name cursor) 'quote cursor))
 179
 180 (defun sc::hotspot (window x y)
 181   (aset *edit-icon* 0 x)
 182   (aset *edit-icon* 1 y)
 183   (sc::goto-hotspot))
 184
 185 (defun sc::goto-hotspot ()
 186   (goto-line (1+ (aref *edit-icon* 1)))
 187   (move-to-column (aref *edit-icon* 0)))
 188
 189 (defun sc::display-icon (icon)
 190   (setq *edit-icon* (copy-sequence icon))
 191   (let ((string (aref *edit-icon* 2))
 192         (index 0))
 193     (while (< index 32)
 194       (let ((char (aref string index))
 195             (bit 128))
 196         (while (> bit 0)
 197           (insert (sc::char-at-bit char bit))
 198           (setq bit (lsh bit -1))))
 199       (if (eq 1 (% index 2)) (newline))
 200       (setq index (1+ index))))
 201   (sc::goto-hotspot))
 202
 203 (defun sc::char-at-bit (char bit)
 204   (if (> (logand char bit) 0) "@" " "))
 205
 206 (defun sc::pack-buffer-to-icon (icon)
 207   "Pack 16 x 16 field into icon string"
 208   (goto-char (point-min))
 209   (aset icon 0 (aref *edit-icon* 0))
 210   (aset icon 1 (aref *edit-icon* 1))
 211   (aset icon 2 (mapconcat 'sc::pack-one-line "1234567890123456" ""))
 212   (sc::goto-hotspot)
 213   )
 214
 215 (defun sc::pack-one-line (dummy)
 216   (let (char chr1 chr2)
 217     (setq char 0 chr1 (mapconcat 'sc::pack-one-char "12345678" "") chr1 char)
 218     (setq char 0 chr2 (mapconcat 'sc::pack-one-char "12345678" "") chr2 char)
 219     (forward-line 1)
 220     (concat (char-to-string chr1) (char-to-string chr2))
 221     ))
 222
 223 (defun sc::pack-one-char (dummy)
 224   "pack following char into char, unless eolp"
 225   (if (or (eolp) (char-equal (following-char) 32))
 226       (setq char (lsh char 1))
 227     (setq char (1+ (lsh char 1))))
 228   (if (not (eolp))(forward-char)))
 229
 230 (provide 'sun-curs)
 231
 232 ;;; arch-tag: 7cc861e5-e2d9-4191-b211-2baaaab54e78
 233 ;;; sun-curs.el ends here