| 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 | ;; Maintainer: none |
| 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., 59 Temple Place - Suite 330, |
| 24 | ;; Boston, MA 02111-1307, USA. |
| 25 | |
| 26 | ;;; Code: |
| 27 | |
| 28 | ;;; |
| 29 | ;;; Added some more cursors and moved the hot spots |
| 30 | ;;; Cursor defined by 16 pairs of 16-bit numbers |
| 31 | ;;; |
| 32 | ;;; 9-dec-86 Jeff Peck, Sun Microsystems Inc. <peck@sun.com> |
| 33 | |
| 34 | (eval-when-compile (require 'cl)) |
| 35 | (require 'sun-fns) |
| 36 | |
| 37 | (eval-and-compile |
| 38 | (defvar sc::cursors nil "List of known cursors")) |
| 39 | |
| 40 | (defmacro defcursor (name x y string) |
| 41 | (if (not (memq name sc::cursors)) |
| 42 | (setq sc::cursors (cons name sc::cursors))) |
| 43 | (list 'defconst name (list 'vector x y string))) |
| 44 | |
| 45 | ;;; push should be defined in common lisp, but if not use this: |
| 46 | ;(defmacro push (v l) |
| 47 | ; "The ITEM is evaluated and consed onto LIST, a list-valued atom" |
| 48 | ; (list 'setq l (list 'cons v l))) |
| 49 | |
| 50 | ;;; |
| 51 | ;;; The standard default cursor |
| 52 | ;;; |
| 53 | (defcursor sc:right-arrow 15 0 |
| 54 | (concat '(0 1 0 3 0 7 0 15 0 31 0 63 0 127 0 15 |
| 55 | 0 27 0 25 0 48 0 48 0 96 0 96 0 192 0 192))) |
| 56 | |
| 57 | ;;(sc:set-cursor sc:right-arrow) |
| 58 | |
| 59 | (defcursor sc:fat-left-arrow 0 8 |
| 60 | (concat '(1 0 3 0 7 0 15 0 31 0 63 255 127 255 255 255 |
| 61 | 255 255 127 255 63 255 31 0 15 0 7 0 3 0 1 0))) |
| 62 | |
| 63 | (defcursor sc:box 8 8 |
| 64 | (concat '(15 252 8 4 8 4 8 4 8 4 8 4 8 4 8 4 |
| 65 | 8 132 8 4 8 4 8 4 8 4 8 4 8 4 15 252))) |
| 66 | |
| 67 | (defcursor sc:hourglass 8 8 |
| 68 | (concat "\177\376\100\002\040\014\032\070" |
| 69 | "\017\360\007\340\003\300\001\200" |
| 70 | "\001\200\002\100\005\040\010\020" |
| 71 | "\021\210\043\304\107\342\177\376")) |
| 72 | |
| 73 | (defun sc:set-cursor (icon) |
| 74 | "Change the Sun mouse cursor to ICON. |
| 75 | If ICON is nil, switch to the system default cursor, |
| 76 | Otherwise, ICON should be a vector or the name of a vector of [x y 32-chars]" |
| 77 | (interactive "XIcon Name: ") |
| 78 | (if (symbolp icon) (setq icon (symbol-value icon))) |
| 79 | (sun-change-cursor-icon icon)) |
| 80 | |
| 81 | (make-local-variable '*edit-icon*) |
| 82 | (make-variable-buffer-local 'icon-edit) |
| 83 | (setq-default icon-edit nil) |
| 84 | (or (assq 'icon-edit minor-mode-alist) |
| 85 | (push '(icon-edit " IconEdit") minor-mode-alist)) |
| 86 | |
| 87 | (defun sc:edit-cursor (icon) |
| 88 | "convert icon to rectangle, edit, and repack" |
| 89 | (interactive "XIcon Name: ") |
| 90 | (if (not icon) (setq icon (sc::menu-choose-cursor (selected-window) 1 1))) |
| 91 | (if (symbolp icon) (setq icon (symbol-value icon))) |
| 92 | (if (get-buffer "icon-edit") (kill-buffer "icon-edit")) |
| 93 | (switch-to-buffer "icon-edit") |
| 94 | (local-set-mouse '(text right) 'sc::menu-function) |
| 95 | (local-set-mouse '(text left) '(sc::pic-ins-at-mouse 32)) |
| 96 | (local-set-mouse '(text middle) '(sc::pic-ins-at-mouse 64)) |
| 97 | (local-set-mouse '(text left middle) 'sc::hotspot) |
| 98 | (sc::display-icon icon) |
| 99 | (picture-mode) |
| 100 | (setq icon-edit t) ; for mode line display |
| 101 | ) |
| 102 | \f |
| 103 | (defun sc::pic-ins-at-mouse (char) |
| 104 | "Picture insert char at mouse location" |
| 105 | (mouse-move-point *mouse-window* (min 15 *mouse-x*) (min 15 *mouse-y*)) |
| 106 | (move-to-column (1+ (min 15 (current-column))) t) |
| 107 | (delete-char -1) |
| 108 | (insert char) |
| 109 | (sc::goto-hotspot)) |
| 110 | |
| 111 | (defun sc::menu-function (window x y) |
| 112 | (sun-menu-evaluate window (1+ x) y sc::menu)) |
| 113 | |
| 114 | (defmenu sc::menu |
| 115 | ("Cursor Menu") |
| 116 | ("Pack & Use" sc::pack-buffer-to-cursor) |
| 117 | ("Pack to Icon" sc::pack-buffer-to-icon |
| 118 | (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*)) |
| 119 | ("New Icon" call-interactively 'sc::make-cursor) |
| 120 | ("Edit Icon" sc:edit-cursor |
| 121 | (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*)) |
| 122 | ("Set Cursor" sc:set-cursor |
| 123 | (sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*)) |
| 124 | ("Reset Cursor" sc:set-cursor nil) |
| 125 | ("Help" sc::edit-icon-help-menu) |
| 126 | ("Quit" sc::quit-edit) |
| 127 | ) |
| 128 | |
| 129 | (defun sc::quit-edit () |
| 130 | (interactive) |
| 131 | (bury-buffer (current-buffer)) |
| 132 | (switch-to-buffer (other-buffer) 'no-record)) |
| 133 | |
| 134 | (defun sc::make-cursor (symbol) |
| 135 | (interactive "SIcon Name: ") |
| 136 | (eval (list 'defcursor symbol 0 0 "")) |
| 137 | (sc::pack-buffer-to-icon (symbol-value symbol))) |
| 138 | |
| 139 | (defmenu sc::edit-icon-help-menu |
| 140 | ("Simple Icon Editor") |
| 141 | ("Left => CLEAR") |
| 142 | ("Middle => SET") |
| 143 | ("L & M => HOTSPOT") |
| 144 | ("Right => MENU")) |
| 145 | |
| 146 | (defun sc::edit-icon-help () |
| 147 | (message "Left=> CLEAR Middle=> SET Left+Middle=> HOTSPOT Right=> MENU")) |
| 148 | |
| 149 | (defun sc::pack-buffer-to-cursor () |
| 150 | (sc::pack-buffer-to-icon *edit-icon*) |
| 151 | (sc:set-cursor *edit-icon*)) |
| 152 | |
| 153 | (defun sc::menu-choose-cursor (window x y) |
| 154 | "Presents a menu of cursor names, and returns one or nil" |
| 155 | (let ((curs sc::cursors) |
| 156 | (items)) |
| 157 | (while curs |
| 158 | (push (sc::menu-item-for-cursor (car curs)) items) |
| 159 | (setq curs (cdr curs))) |
| 160 | (push (list "Choose Cursor") items) |
| 161 | (setq menu (menu-create items)) |
| 162 | (sun-menu-evaluate window x y menu))) |
| 163 | |
| 164 | (defun sc::menu-item-for-cursor (cursor) |
| 165 | "apply function to selected cursor" |
| 166 | (list (symbol-name cursor) 'quote cursor)) |
| 167 | |
| 168 | (defun sc::hotspot (window x y) |
| 169 | (aset *edit-icon* 0 x) |
| 170 | (aset *edit-icon* 1 y) |
| 171 | (sc::goto-hotspot)) |
| 172 | |
| 173 | (defun sc::goto-hotspot () |
| 174 | (goto-line (1+ (aref *edit-icon* 1))) |
| 175 | (move-to-column (aref *edit-icon* 0))) |
| 176 | |
| 177 | (defun sc::display-icon (icon) |
| 178 | (setq *edit-icon* (copy-sequence icon)) |
| 179 | (let ((string (aref *edit-icon* 2)) |
| 180 | (index 0)) |
| 181 | (while (< index 32) |
| 182 | (let ((char (aref string index)) |
| 183 | (bit 128)) |
| 184 | (while (> bit 0) |
| 185 | (insert (sc::char-at-bit char bit)) |
| 186 | (setq bit (lsh bit -1)))) |
| 187 | (if (eq 1 (% index 2)) (newline)) |
| 188 | (setq index (1+ index)))) |
| 189 | (sc::goto-hotspot)) |
| 190 | |
| 191 | (defun sc::char-at-bit (char bit) |
| 192 | (if (> (logand char bit) 0) "@" " ")) |
| 193 | |
| 194 | (defun sc::pack-buffer-to-icon (icon) |
| 195 | "Pack 16 x 16 field into icon string" |
| 196 | (goto-char (point-min)) |
| 197 | (aset icon 0 (aref *edit-icon* 0)) |
| 198 | (aset icon 1 (aref *edit-icon* 1)) |
| 199 | (aset icon 2 (mapconcat 'sc::pack-one-line "1234567890123456" "")) |
| 200 | (sc::goto-hotspot) |
| 201 | ) |
| 202 | |
| 203 | (defun sc::pack-one-line (dummy) |
| 204 | (let* (char chr1 chr2) |
| 205 | (setq char 0 chr1 (mapconcat 'sc::pack-one-char "12345678" "") chr1 char) |
| 206 | (setq char 0 chr2 (mapconcat 'sc::pack-one-char "12345678" "") chr2 char) |
| 207 | (forward-line 1) |
| 208 | (concat (char-to-string chr1) (char-to-string chr2)) |
| 209 | )) |
| 210 | |
| 211 | (defun sc::pack-one-char (dummy) |
| 212 | "pack following char into char, unless eolp" |
| 213 | (if (or (eolp) (char-equal (following-char) 32)) |
| 214 | (setq char (lsh char 1)) |
| 215 | (setq char (1+ (lsh char 1)))) |
| 216 | (if (not (eolp))(forward-char))) |
| 217 | |
| 218 | (provide 'sun-curs) |
| 219 | |
| 220 | ;;; sun-curs.el ends here |