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1.1 root 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. <[email protected]>
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:
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 (mod 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:
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