lisp/sun-curs.el

   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 free software; you can redistribute it and/or modify
   7 ;; it under the terms of the GNU General Public License as published by
   8 ;; the Free Software Foundation; either version 1, or (at your option)
   9 ;; any later version.
  10
  11 ;; GNU Emacs is distributed in the hope that it will be useful,
  12 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 ;; GNU General Public License for more details.
  15
  16 ;; You should have received a copy of the GNU General Public License
  17 ;; along with GNU Emacs; see the file COPYING.  If not, write to
  18 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  19
  20 ;;;
  21 ;;; Added some more cursors and moved the hot spots
  22 ;;; Cursor defined by 16 pairs of 16-bit numbers
  23 ;;;
  24 ;;; 9-dec-86 Jeff Peck, Sun Microsystems Inc. <peck@sun.com>
  25
  26 (provide 'sm-cursors)
  27
  28 (defvar sc::cursors nil "List of known cursors")
  29
  30 (defmacro defcursor (name x y string)
  31   (if (not (memq name sc::cursors))
  32       (setq sc::cursors (cons name sc::cursors)))
  33   (list 'defconst name (list 'vector x y string)))
  34
  35 ;;; push should be defined in common lisp, but if not use this:
  36 ;(defmacro push (v l)
  37 ;  "The ITEM is evaluated and consed onto LIST, a list-valued atom"
  38 ;  (list 'setq l (list 'cons v l)))
  39
  40 ;;;
  41 ;;; The standard default cursor
  42 ;;;
  43 (defcursor sc:right-arrow 15 0
  44   (concat '(0 1 0 3 0 7 0 15 0 31 0 63 0 127 0 15
  45               0 27 0 25 0 48 0 48 0 96 0 96 0 192 0 192)))
  46
  47 ;;(sc:set-cursor sc:right-arrow)
  48
  49 (defcursor sc:fat-left-arrow 0 8
  50   (concat '(1 0 3 0 7 0 15 0 31 0 63 255 127 255 255 255
  51               255 255 127 255 63 255 31 0 15 0 7 0 3 0 1 0)))
  52
  53 (defcursor sc:box 8 8
  54   (concat '(15 252 8 4 8 4 8 4 8 4 8 4 8 4 8 4
  55                8 132 8 4 8 4 8 4 8 4 8 4 8 4 15 252)))
  56
  57 (defcursor sc:hourglass 8 8
  58   (concat "\177\376\100\002\040\014\032\070"
  59           "\017\360\007\340\003\300\001\200"
  60           "\001\200\002\100\005\040\010\020"
  61           "\021\210\043\304\107\342\177\376"))
  62
  63 (defun sc:set-cursor (icon)
  64   "Change the Sun mouse cursor to ICON.
  65 If ICON is nil, switch to the system default cursor,
  66 Otherwise, ICON should be a vector or the name of a vector of [x y 32-chars]"
  67   (interactive "XIcon Name: ")
  68   (if (symbolp icon) (setq icon (symbol-value icon)))
  69   (sun-change-cursor-icon icon))
  70
  71 (make-local-variable '*edit-icon*)
  72 (make-variable-buffer-local 'icon-edit)
  73 (setq-default icon-edit nil)
  74 (or (assq 'icon-edit minor-mode-alist)
  75     (push '(icon-edit " IconEdit") minor-mode-alist))
  76
  77 (defun sc:edit-cursor (icon)
  78   "convert icon to rectangle, edit, and repack"
  79   (interactive "XIcon Name: ")
  80   (if (not icon) (setq icon (sc::menu-choose-cursor (selected-window) 1 1)))
  81   (if (symbolp icon) (setq icon (symbol-value icon)))
  82   (if (get-buffer "icon-edit") (kill-buffer "icon-edit"))
  83   (switch-to-buffer "icon-edit")
  84   (local-set-mouse '(text right) 'sc::menu-function)
  85   (local-set-mouse '(text left) '(sc::pic-ins-at-mouse 32))
  86   (local-set-mouse '(text middle) '(sc::pic-ins-at-mouse 64))
  87   (local-set-mouse '(text left middle) 'sc::hotspot)
  88   (sc::display-icon icon)
  89   (picture-mode)
  90   (setq icon-edit t)    ; for mode line display
  91 )
  92 \f
  93 (defun sc::pic-ins-at-mouse (char)
  94   "Picture insert char at mouse location"
  95   (mouse-move-point *mouse-window* (min 15 *mouse-x*) (min 15 *mouse-y*))
  96   (move-to-column-force (1+ (min 15 (current-column))))
  97   (delete-char -1)
  98   (insert char)
  99   (sc::goto-hotspot))
 100
 101 (defun sc::menu-function (window x y)
 102   (sun-menu-evaluate window (1+ x) y sc::menu))
 103
 104 (defmenu sc::menu
 105   ("Cursor Menu")
 106   ("Pack & Use" sc::pack-buffer-to-cursor)
 107   ("Pack to Icon" sc::pack-buffer-to-icon
 108                   (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*))
 109   ("New Icon" call-interactively 'sc::make-cursor)
 110   ("Edit Icon" sc:edit-cursor
 111                (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*))
 112   ("Set Cursor" sc:set-cursor
 113                 (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*))
 114   ("Reset Cursor" sc:set-cursor nil)
 115   ("Help". sc::edit-icon-help-menu)
 116   ("Quit" sc::quit-edit)
 117   )
 118
 119 (defun sc::quit-edit ()
 120   (interactive)
 121   (bury-buffer (current-buffer))
 122   (switch-to-buffer (other-buffer) 'no-record))
 123
 124 (defun sc::make-cursor (symbol)
 125   (interactive "SIcon Name: ")
 126   (eval (list 'defcursor symbol 0 0 ""))
 127   (sc::pack-buffer-to-icon (symbol-value symbol)))
 128
 129 (defmenu sc::edit-icon-help-menu
 130   ("Simple Icon Editor")
 131   ("Left     => CLEAR")
 132   ("Middle   => SET")
 133   ("L & M    => HOTSPOT")
 134   ("Right    => MENU"))
 135
 136 (defun sc::edit-icon-help ()
 137   (message "Left=> CLEAR  Middle=> SET  Left+Middle=> HOTSPOT  Right=> MENU"))
 138
 139 (defun sc::pack-buffer-to-cursor ()
 140     (sc::pack-buffer-to-icon *edit-icon*)
 141     (sc:set-cursor *edit-icon*))
 142
 143 (defun sc::menu-choose-cursor (window x y)
 144   "Presents a menu of cursor names, and returns one or nil"
 145   (let ((curs sc::cursors)
 146         (items))
 147     (while curs
 148       (push (sc::menu-item-for-cursor (car curs)) items)
 149       (setq curs (cdr curs)))
 150     (push (list "Choose Cursor") items)
 151     (setq menu (menu-create items))
 152     (sun-menu-evaluate window x y menu)))
 153
 154 (defun sc::menu-item-for-cursor (cursor)
 155   "apply function to selected cursor"
 156   (list (symbol-name cursor) 'quote cursor))
 157
 158 (defun sc::hotspot (window x y)
 159   (aset *edit-icon* 0 x)
 160   (aset *edit-icon* 1 y)
 161   (sc::goto-hotspot))
 162
 163 (defun sc::goto-hotspot ()
 164   (goto-line (1+ (aref *edit-icon* 1)))
 165   (move-to-column (aref *edit-icon* 0)))
 166
 167 (defun sc::display-icon (icon)
 168   (setq *edit-icon* (copy-sequence icon))
 169   (let ((string (aref *edit-icon* 2))
 170         (index 0))
 171     (while (< index 32)
 172       (let ((char (aref string index))
 173             (bit 128))
 174         (while (> bit 0)
 175           (insert (sc::char-at-bit char bit))
 176           (setq bit (lsh bit -1))))
 177       (if (eq 1 (% index 2)) (newline))
 178       (setq index (1+ index))))
 179   (sc::goto-hotspot))
 180
 181 (defun sc::char-at-bit (char bit)
 182   (if (> (logand char bit) 0) "@" " "))
 183
 184 (defun sc::pack-buffer-to-icon (icon)
 185   "Pack 16 x 16 field into icon string"
 186   (goto-char (point-min))
 187   (aset icon 0 (aref *edit-icon* 0))
 188   (aset icon 1 (aref *edit-icon* 1))
 189   (aset icon 2 (mapconcat 'sc::pack-one-line "1234567890123456" ""))
 190   (sc::goto-hotspot)
 191   )
 192
 193 (defun sc::pack-one-line (dummy)
 194   (let* (char chr1 chr2)
 195     (setq char 0 chr1 (mapconcat 'sc::pack-one-char "12345678" "") chr1 char)
 196     (setq char 0 chr2 (mapconcat 'sc::pack-one-char "12345678" "") chr2 char)
 197     (forward-line 1)
 198     (concat (char-to-string chr1) (char-to-string chr2))
 199     ))
 200
 201 (defun sc::pack-one-char (dummy)
 202   "pack following char into char, unless eolp"
 203   (if (or (eolp) (char-equal (following-char) 32))
 204       (setq char (lsh char 1))
 205     (setq char (1+ (lsh char 1))))
 206   (if (not (eolp))(forward-char)))
 207