Eliminate unused procedure MAKE-MODIFIED-BUTTON.

diff --git a/v7/src/edwin/edtstr.scm b/v7/src/edwin/edtstr.scm
index 09a2f938f9b5843412b2ebe7feb8b1a808088db1..a87efe89079f1d58a0efc6420d9ea3186295a7c3 100644 (file)
--- a/v7/src/edwin/edtstr.scm
+++ b/v7/src/edwin/edtstr.scm
@@ -1,42 +1,44 @@
-;;; -*-Scheme-*-
-;;;
-;;; $Id: edtstr.scm,v 1.24 2002/11/20 19:45:59 cph Exp $
-;;;
-;;; Copyright (c) 1989-1999 Massachusetts Institute of Technology
-;;;
-;;; This file is part of MIT Scheme.
-;;;
-;;; MIT Scheme 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 of the License,
-;;; or (at your option) any later version.
-;;;
-;;; MIT Scheme 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 MIT Scheme; if not, write to the Free Software
-;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-;;; 02111-1307, USA.
+#| -*-Scheme-*-
+
+$Id: edtstr.scm,v 1.25 2003/01/09 20:52:21 cph Exp $
+
+Copyright (c) 1989,1990,1991,1992,2003 Massachusetts Institute of Technology
+
+This file is part of MIT Scheme.
+
+MIT Scheme 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 of the License,
+or (at your option) any later version.
+
+MIT Scheme 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 MIT Scheme; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.
+
+|#
 
 ;;;; Editor Data Abstraction
 
 (declare (usual-integrations))
 \f
 (define-structure (editor (constructor %make-editor))
-  (name false read-only true)
-  (display-type false read-only true)
+  (name #f read-only #t)
+  (display-type #f read-only #t)
   (screens '())
-  (selected-screen false)
-  (bufferset false read-only true)
-  (char-history false read-only true)
-  (halt-update? false read-only true)
-  (peek-no-hang false read-only true)
-  (peek false read-only true)
-  (read false read-only true)
-  (button-event false)
+  (selected-screen #f)
+  (bufferset #f read-only #t)
+  (char-history #f read-only #t)
+  (halt-update? #f read-only #t)
+  (peek-no-hang #f read-only #t)
+  (peek #f read-only #t)
+  (read #f read-only #t)
+  (button-event #f)
   (select-time 1))
 
 (define (make-editor name display-type make-screen-args)
@@ -60,7 +62,7 @@
                        peek-no-hang
                        peek
                        read
-                       false
+                       #f
                        1))))))
 
 (define-integrable (current-display-type)
@@ -86,9 +88,9 @@
 ;;;; Buttons
 
 (define-structure (button-event (conc-name button-event/))
-  (window false read-only true)
-  (x false read-only true)
-  (y false read-only true))
+  (window #f read-only #t)
+  (x #f read-only #t)
+  (y #f read-only #t))
 
 (define (current-button-event)
   (or (editor-button-event current-editor)
@@ -105,7 +107,7 @@
      (lambda ()
        (set! old-button-event (editor-button-event current-editor))
        (set-editor-button-event! current-editor button-event)
-       (set! button-event false)
+       (set! button-event #f)
        unspecific)
      thunk
      (lambda ()
@@ -113,7 +115,7 @@
 
 (define button-record-type
   (make-record-type 'BUTTON '(NUMBER DOWN?)))
-\f
+
 (define make-down-button)
 (define make-up-button)
 (let ((%make-button
@@ -129,29 +131,13 @@
   (set! make-down-button
        (lambda (number)
          (if (>= number (vector-length down-buttons))
-             (set! down-buttons (vector-grow down-buttons (1+ number))))
-         (%make-button down-buttons number true)))
+             (set! down-buttons (vector-grow down-buttons (+ number 1))))
+         (%make-button down-buttons number #t)))
   (set! make-up-button
        (lambda (number)
          (if (>= number (vector-length up-buttons))
-             (set! up-buttons (vector-grow up-buttons (1+ number))))
-         (%make-button up-buttons number false))))
-
-(define (make-modified-button modifier button-number up-or-down)
-  (let ((button
-        (+ button-number
-           (case modifier
-             ((shift) 5)
-             ((control) 10)
-             ((meta) 20)
-             (else (error "make-modified-button: Bad button modifier"
-                          modifier))))))
-    (cond ((eq? up-or-down 'DOWN)
-          (make-down-button button))
-         ((eq? up-or-down 'UP)
-          (make-up-button button))
-         (else (error "make-modified-button: Must specify UP or DOWN"
-                      up-or-down)))))
+             (set! up-buttons (vector-grow up-buttons (+ number 1))))
+         (%make-button up-buttons number #f))))
 
 (define button?
   (record-predicate button-record-type))