Add code to provide printing on NT.

diff --git a/v7/src/edwin/print.scm b/v7/src/edwin/print.scm
index 833574c227469e09b965c5456d2f4d8be50324ed..1a1d016d201a38e1c5c8fb923342f53d774df73e 100644 (file)
--- a/v7/src/edwin/print.scm
+++ b/v7/src/edwin/print.scm
@@ -1,8 +1,8 @@
 ;;; -*-Scheme-*-
 ;;;
-;;;    $Id: print.scm,v 1.12 1992/11/05 20:45:41 cph Exp $
+;;;    $Id: print.scm,v 1.13 1997/12/26 23:45:28 cph Exp $
 ;;;
-;;;    Copyright (c) 1991-92 Massachusetts Institute of Technology
+;;;    Copyright (c) 1991-97 Massachusetts Institute of Technology
 ;;;
 ;;;    This material was developed by the Scheme project at the
 ;;;    Massachusetts Institute of Technology, Department of
@@ -81,7 +81,10 @@ Variable LPR-SWITCHES is a list of extra switches (strings) to pass to lpr."
        (title (print-region-title-string region)))
     (let ((call-printer
           (lambda (region)
-            ((or (ref-variable lpr-procedure buffer) print-region/default)
+            ((or (ref-variable lpr-procedure buffer)
+                 (case microcode-id/operating-system
+                   ((NT) print-region/nt)
+                   (else print-region/default)))
              region print-headers? title buffer)))
          (width (ref-variable tab-width buffer)))
       (if (= width 8)
@@ -106,6 +109,14 @@ Variable LPR-SWITCHES is a list of extra switches (strings) to pass to lpr."
                  (print/assemble-switches title
                                           (if print-headers? '("-p") '())))))
 
+(define (print-region/nt region print-headers? title buffer)
+  print-headers? title
+  (call-with-temporary-file-pathname
+   (lambda (pathname)
+     (write-region region pathname #f #t)
+     (shell-command #f #f #f #f
+                   (string-append "print " (->namestring pathname))))))
+
 (define (print-region-title-string region)
   (let ((buffer-title
         (let ((buffer (mark-buffer (region-start region))))