/usr/share/emacs/site-lisp/SuperCollider/sclang-widgets.el is in supercollider-emacs 1:3.8.0~repack-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 | ;;; sclang-widgets.el --- Widget definitions for SCLang
;; Copyright (C) 2005 Free Software Foundation, Inc.
;; Author: mlang <mlang@delysid.org>
;; Keywords: comm
;; This file is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; This file is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;
;;; Code:
(eval-when-compile (require 'sclang-util)
(require 'sclang-language))
(eval-and-compile (require 'sclang-interp))
(defvar sclang-widgets nil)
(make-variable-buffer-local 'sclang-widgets)
;; Button (not used yet)
(define-widget 'sclang-button 'item
"A button."
:create #'sclang-widget-button-create
:action #'sclang-widget-button-action)
(defun sclang-widget-button-create (widget)
"Create WIDGET at point in the current buffer."
(widget-specify-insert
(let ((from (point))
button-begin button-end)
(setq button-begin (point))
(insert (widget-get-indirect widget :button-prefix))
(princ (nth (widget-get widget :value) (widget-get widget :states)) (current-buffer))
(insert (widget-get-indirect widget :button-suffix))
(setq button-end (point))
;; Specify button, and insert value.
(and button-begin button-end
(widget-specify-button widget button-begin button-end)))
(let ((from (point-min-marker))
(to (point-max-marker)))
(set-marker-insertion-type from t)
(set-marker-insertion-type to nil)
(widget-put widget :from from)
(widget-put widget :to to)))
(widget-clear-undo))
(defun sclang-widget-button-action (widget event)
(widget-value-set widget
(if (>= (widget-get widget :value) (1- (length (widget-get widget :states))))
0
(1+ (widget-get widget :value))))
(sclang-eval-string
(sclang-format "EmacsWidget.idmap[%o].valueFromEmacs(%o)"
(widget-get widget :id) (widget-get widget :value))))
(sclang-set-command-handler
'_widgetSetStates
(lambda (arg)
(multiple-value-bind (buffer id states value) arg
(with-current-buffer (get-buffer buffer)
(let ((widget (cdr (find id sclang-widgets :key 'car))))
(widget-put widget :states states)
(widget-value-set widget value)
value)))))
(define-widget 'sclang-slider 'default
"Slider widget."
:size 20
:create #'sclang-widget-slider-create
:button-prefix "["
:button-suffix "]"
:value 0.5
:value-get #'widget-value-value-get
:value-set #'sclang-widget-slider-value-set
:action (lambda (widget event)
(let ((pos (if event (posn-point (event-start event)) (point))))
(widget-value-set widget (/ (float (- pos (widget-get widget :from))) (widget-get widget :size))))))
(defun sclang-widget-slider-create (widget)
"Create WIDGET at point in the current buffer."
(widget-specify-insert
(let ((from (point))
(inhibit-redisplay t)
button-begin button-end)
(setq button-begin (point))
(insert (widget-get-indirect widget :button-prefix))
(insert-char ?- (widget-get widget :size))
(backward-char (1+ (widget-put widget :current-pos (- (widget-get widget :size) (round (* (widget-get widget :value) (widget-get widget :size)))))))
(delete-char 1) (insert "|")
(goto-char (point-max))
(insert (widget-get-indirect widget :button-suffix))
(setq button-end (point))
;; Specify button
(and button-begin button-end
(widget-specify-button widget button-begin button-end)))
(let ((from (point-min-marker))
(to (point-max-marker)))
(set-marker-insertion-type from t)
(set-marker-insertion-type to nil)
(widget-put widget :from from)
(widget-put widget :to to)))
(widget-clear-undo))
(defun sclang-widget-slider-value-set (widget value)
(save-excursion
(let ((inhibit-read-only t))
(goto-char (widget-get widget :from))
(forward-char (widget-get widget :current-pos))
(insert "-") (delete-char 1)
(widget-put widget :value value)
(goto-char (widget-get widget :from))
(let ((n (round (* value (widget-get widget :size)))))
(widget-put widget :current-pos n)
(forward-char n)
(insert "|") (delete-char 1)))))
;; Class Tree
(require 'tree-widget)
(define-widget 'sclang-class-tree 'tree-widget
"Widget for displaying the SCLang Class Tree."
:dynargs #'sclang-widget-class-tree-dynargs)
(defun sclang-widget-class-tree-dynargs (widget)
(sclang-eval-sync (sclang-format "EmacsClassTree.dynargs(%o)"
(widget-get widget :tag))))
(define-widget 'sclang-file-position 'item
"File position link for the SCLang Class Tree widget."
:format "%[%t%]\n"
:action (lambda (widget event)
(find-file-other-window (widget-get widget :filename))
(goto-char (widget-get widget :char-pos))))
(defun sclang-class-tree (class-name)
"Display a tree-view of the sub-classes and methods of CLASS-NAME."
(interactive
(list (sclang-read-symbol "Class: " "Object" #'sclang-class-name-p)))
(sclang-eval-string (format "EmacsClassBrowser(%s)" class-name)))
(provide 'sclang-widgets)
;;; sclang-widgets.el ends here
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