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216 lines
6.7 KiB
EmacsLisp
216 lines
6.7 KiB
EmacsLisp
;;; sun-cursors.el --- cursor definitions for Sun windows
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;; Copyright (C) 1987 Free Software Foundation, Inc.
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;; Author: Jeff Peck <peck@sun.com>
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to
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;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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;;; Code:
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;;;
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;;; Added some more cursors and moved the hot spots
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;;; Cursor defined by 16 pairs of 16-bit numbers
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;;;
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;;; 9-dec-86 Jeff Peck, Sun Microsystems Inc. <peck@sun.com>
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(require 'cl)
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(defvar sc::cursors nil "List of known cursors")
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(defmacro defcursor (name x y string)
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(if (not (memq name sc::cursors))
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(setq sc::cursors (cons name sc::cursors)))
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(list 'defconst name (list 'vector x y string)))
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;;; push should be defined in common lisp, but if not use this:
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;(defmacro push (v l)
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; "The ITEM is evaluated and consed onto LIST, a list-valued atom"
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; (list 'setq l (list 'cons v l)))
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;;;
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;;; The standard default cursor
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;;;
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(defcursor sc:right-arrow 15 0
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(concat '(0 1 0 3 0 7 0 15 0 31 0 63 0 127 0 15
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0 27 0 25 0 48 0 48 0 96 0 96 0 192 0 192)))
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;;(sc:set-cursor sc:right-arrow)
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(defcursor sc:fat-left-arrow 0 8
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(concat '(1 0 3 0 7 0 15 0 31 0 63 255 127 255 255 255
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255 255 127 255 63 255 31 0 15 0 7 0 3 0 1 0)))
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(defcursor sc:box 8 8
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(concat '(15 252 8 4 8 4 8 4 8 4 8 4 8 4 8 4
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8 132 8 4 8 4 8 4 8 4 8 4 8 4 15 252)))
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(defcursor sc:hourglass 8 8
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(concat "\177\376\100\002\040\014\032\070"
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"\017\360\007\340\003\300\001\200"
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"\001\200\002\100\005\040\010\020"
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"\021\210\043\304\107\342\177\376"))
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(defun sc:set-cursor (icon)
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"Change the Sun mouse cursor to ICON.
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If ICON is nil, switch to the system default cursor,
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Otherwise, ICON should be a vector or the name of a vector of [x y 32-chars]"
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(interactive "XIcon Name: ")
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(if (symbolp icon) (setq icon (symbol-value icon)))
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(sun-change-cursor-icon icon))
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(make-local-variable '*edit-icon*)
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(make-variable-buffer-local 'icon-edit)
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(setq-default icon-edit nil)
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(or (assq 'icon-edit minor-mode-alist)
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(push '(icon-edit " IconEdit") minor-mode-alist))
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(defun sc:edit-cursor (icon)
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"convert icon to rectangle, edit, and repack"
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(interactive "XIcon Name: ")
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(if (not icon) (setq icon (sc::menu-choose-cursor (selected-window) 1 1)))
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(if (symbolp icon) (setq icon (symbol-value icon)))
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(if (get-buffer "icon-edit") (kill-buffer "icon-edit"))
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(switch-to-buffer "icon-edit")
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(local-set-mouse '(text right) 'sc::menu-function)
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(local-set-mouse '(text left) '(sc::pic-ins-at-mouse 32))
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(local-set-mouse '(text middle) '(sc::pic-ins-at-mouse 64))
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(local-set-mouse '(text left middle) 'sc::hotspot)
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(sc::display-icon icon)
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(picture-mode)
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(setq icon-edit t) ; for mode line display
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)
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(defun sc::pic-ins-at-mouse (char)
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"Picture insert char at mouse location"
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(mouse-move-point *mouse-window* (min 15 *mouse-x*) (min 15 *mouse-y*))
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(move-to-column (1+ (min 15 (current-column))) t)
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(delete-char -1)
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(insert char)
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(sc::goto-hotspot))
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(defun sc::menu-function (window x y)
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(sun-menu-evaluate window (1+ x) y sc::menu))
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(defmenu sc::menu
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("Cursor Menu")
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("Pack & Use" sc::pack-buffer-to-cursor)
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("Pack to Icon" sc::pack-buffer-to-icon
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(sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*))
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("New Icon" call-interactively 'sc::make-cursor)
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("Edit Icon" sc:edit-cursor
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(sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*))
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("Set Cursor" sc:set-cursor
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(sc::menu-choose-cursor *menu-window* *menu-x* *menu-y*))
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("Reset Cursor" sc:set-cursor nil)
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("Help". sc::edit-icon-help-menu)
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("Quit" sc::quit-edit)
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)
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(defun sc::quit-edit ()
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(interactive)
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(bury-buffer (current-buffer))
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(switch-to-buffer (other-buffer) 'no-record))
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(defun sc::make-cursor (symbol)
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(interactive "SIcon Name: ")
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(eval (list 'defcursor symbol 0 0 ""))
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(sc::pack-buffer-to-icon (symbol-value symbol)))
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(defmenu sc::edit-icon-help-menu
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("Simple Icon Editor")
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("Left => CLEAR")
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("Middle => SET")
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("L & M => HOTSPOT")
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("Right => MENU"))
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(defun sc::edit-icon-help ()
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(message "Left=> CLEAR Middle=> SET Left+Middle=> HOTSPOT Right=> MENU"))
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(defun sc::pack-buffer-to-cursor ()
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(sc::pack-buffer-to-icon *edit-icon*)
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(sc:set-cursor *edit-icon*))
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(defun sc::menu-choose-cursor (window x y)
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"Presents a menu of cursor names, and returns one or nil"
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(let ((curs sc::cursors)
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(items))
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(while curs
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(push (sc::menu-item-for-cursor (car curs)) items)
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(setq curs (cdr curs)))
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(push (list "Choose Cursor") items)
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(setq menu (menu-create items))
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(sun-menu-evaluate window x y menu)))
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(defun sc::menu-item-for-cursor (cursor)
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"apply function to selected cursor"
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(list (symbol-name cursor) 'quote cursor))
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(defun sc::hotspot (window x y)
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(aset *edit-icon* 0 x)
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(aset *edit-icon* 1 y)
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(sc::goto-hotspot))
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(defun sc::goto-hotspot ()
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(goto-line (1+ (aref *edit-icon* 1)))
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(move-to-column (aref *edit-icon* 0)))
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(defun sc::display-icon (icon)
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(setq *edit-icon* (copy-sequence icon))
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(let ((string (aref *edit-icon* 2))
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(index 0))
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(while (< index 32)
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(let ((char (aref string index))
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(bit 128))
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(while (> bit 0)
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(insert (sc::char-at-bit char bit))
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(setq bit (lsh bit -1))))
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(if (eq 1 (% index 2)) (newline))
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(setq index (1+ index))))
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(sc::goto-hotspot))
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(defun sc::char-at-bit (char bit)
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(if (> (logand char bit) 0) "@" " "))
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(defun sc::pack-buffer-to-icon (icon)
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"Pack 16 x 16 field into icon string"
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(goto-char (point-min))
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(aset icon 0 (aref *edit-icon* 0))
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(aset icon 1 (aref *edit-icon* 1))
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(aset icon 2 (mapconcat 'sc::pack-one-line "1234567890123456" ""))
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(sc::goto-hotspot)
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)
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(defun sc::pack-one-line (dummy)
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(let* (char chr1 chr2)
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(setq char 0 chr1 (mapconcat 'sc::pack-one-char "12345678" "") chr1 char)
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(setq char 0 chr2 (mapconcat 'sc::pack-one-char "12345678" "") chr2 char)
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(forward-line 1)
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(concat (char-to-string chr1) (char-to-string chr2))
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))
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(defun sc::pack-one-char (dummy)
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"pack following char into char, unless eolp"
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(if (or (eolp) (char-equal (following-char) 32))
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(setq char (lsh char 1))
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(setq char (1+ (lsh char 1))))
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(if (not (eolp))(forward-char)))
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(provide 'sm-cursors)
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;;; sun-cursors.el ends here
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